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-rw-r--r--src/gst/.editorconfig7
-rw-r--r--src/gst/gstpipewire.c69
-rw-r--r--src/gst/gstpipewireclock.c127
-rw-r--r--src/gst/gstpipewireclock.h71
-rw-r--r--src/gst/gstpipewirecore.c202
-rw-r--r--src/gst/gstpipewirecore.h60
-rw-r--r--src/gst/gstpipewiredeviceprovider.c754
-rw-r--r--src/gst/gstpipewiredeviceprovider.h110
-rw-r--r--src/gst/gstpipewireformat.c981
-rw-r--r--src/gst/gstpipewireformat.h42
-rw-r--r--src/gst/gstpipewirepool.c276
-rw-r--r--src/gst/gstpipewirepool.h92
-rw-r--r--src/gst/gstpipewiresink.c924
-rw-r--r--src/gst/gstpipewiresink.h110
-rw-r--r--src/gst/gstpipewiresrc.c1439
-rw-r--r--src/gst/gstpipewiresrc.h110
-rw-r--r--src/gst/meson.build33
17 files changed, 5407 insertions, 0 deletions
diff --git a/src/gst/.editorconfig b/src/gst/.editorconfig
new file mode 100644
index 0000000..b6330b2
--- /dev/null
+++ b/src/gst/.editorconfig
@@ -0,0 +1,7 @@
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
diff --git a/src/gst/gstpipewire.c b/src/gst/gstpipewire.c
new file mode 100644
index 0000000..b87f8a3
--- /dev/null
+++ b/src/gst/gstpipewire.c
@@ -0,0 +1,69 @@
+/* PipeWire GStreamer Elements
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * SECTION:element-pipewiresrc
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch -v pipewiresrc ! ximagesink
+ * ]| Shows PipeWire output in an X window.
+ * </refsect2>
+ */
+
+#include "config.h"
+
+#include "gstpipewiresrc.h"
+#include "gstpipewiresink.h"
+#include "gstpipewiredeviceprovider.h"
+
+GST_DEBUG_CATEGORY (pipewire_debug);
+
+static gboolean
+plugin_init (GstPlugin *plugin)
+{
+ pw_init (NULL, NULL);
+
+ gst_element_register (plugin, "pipewiresrc", GST_RANK_PRIMARY + 1,
+ GST_TYPE_PIPEWIRE_SRC);
+ gst_element_register (plugin, "pipewiresink", GST_RANK_NONE,
+ GST_TYPE_PIPEWIRE_SINK);
+
+#ifdef HAVE_GSTREAMER_DEVICE_PROVIDER
+ if (!gst_device_provider_register (plugin, "pipewiredeviceprovider",
+ GST_RANK_PRIMARY + 1, GST_TYPE_PIPEWIRE_DEVICE_PROVIDER))
+ return FALSE;
+#endif
+
+ GST_DEBUG_CATEGORY_INIT (pipewire_debug, "pipewire", 0, "PipeWire elements");
+
+ return TRUE;
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ pipewire,
+ "Uses PipeWire to handle media streams",
+ plugin_init, PACKAGE_VERSION, "MIT/X11", "pipewire", "pipewire.org")
diff --git a/src/gst/gstpipewireclock.c b/src/gst/gstpipewireclock.c
new file mode 100644
index 0000000..44b1158
--- /dev/null
+++ b/src/gst/gstpipewireclock.c
@@ -0,0 +1,127 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <gst/gst.h>
+
+#include "gstpipewireclock.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_pipewire_clock_debug_category);
+#define GST_CAT_DEFAULT gst_pipewire_clock_debug_category
+
+G_DEFINE_TYPE (GstPipeWireClock, gst_pipewire_clock, GST_TYPE_SYSTEM_CLOCK);
+
+GstClock *
+gst_pipewire_clock_new (struct pw_stream *stream, GstClockTime last_time)
+{
+ GstPipeWireClock *clock;
+
+ clock = g_object_new (GST_TYPE_PIPEWIRE_CLOCK, NULL);
+ clock->stream = stream;
+ clock->last_time = last_time;
+ clock->time_offset = last_time;
+
+ return GST_CLOCK_CAST (clock);
+}
+
+static GstClockTime
+gst_pipewire_clock_get_internal_time (GstClock * clock)
+{
+ GstPipeWireClock *pclock = (GstPipeWireClock *) clock;
+ GstClockTime result;
+ struct timespec ts;
+
+ clock_gettime(CLOCK_MONOTONIC, &ts);
+#if 0
+ struct pw_time t;
+ if (pclock->stream == NULL ||
+ pw_stream_get_time (pclock->stream, &t) < 0 ||
+ t.rate.denom == 0)
+ return pclock->last_time;
+
+ result = gst_util_uint64_scale_int (t.ticks, GST_SECOND * t.rate.num, t.rate.denom);
+ result += SPA_TIMESPEC_TO_NSEC(&ts) - t.now;
+
+ result += pclock->time_offset;
+ pclock->last_time = result;
+
+ GST_DEBUG ("%"PRId64", %d/%d %"PRId64" %"PRId64,
+ t.ticks, t.rate.num, t.rate.denom, t.now, result);
+#else
+ result = SPA_TIMESPEC_TO_NSEC(&ts);
+ result += pclock->time_offset;
+ pclock->last_time = result;
+#endif
+
+ return result;
+}
+
+static void
+gst_pipewire_clock_finalize (GObject * object)
+{
+ GstPipeWireClock *clock = GST_PIPEWIRE_CLOCK (object);
+
+ GST_DEBUG_OBJECT (clock, "finalize");
+
+ G_OBJECT_CLASS (gst_pipewire_clock_parent_class)->finalize (object);
+}
+
+static void
+gst_pipewire_clock_class_init (GstPipeWireClockClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstClockClass *gstclock_class = GST_CLOCK_CLASS (klass);
+
+ gobject_class->finalize = gst_pipewire_clock_finalize;
+
+ gstclock_class->get_internal_time = gst_pipewire_clock_get_internal_time;
+
+ GST_DEBUG_CATEGORY_INIT (gst_pipewire_clock_debug_category, "pipewireclock", 0,
+ "debug category for pipewireclock object");
+}
+
+static void
+gst_pipewire_clock_init (GstPipeWireClock * clock)
+{
+ GST_OBJECT_FLAG_SET (clock, GST_CLOCK_FLAG_CAN_SET_MASTER);
+}
+
+void
+gst_pipewire_clock_reset (GstPipeWireClock * clock, GstClockTime time)
+{
+ GstClockTimeDiff time_offset;
+
+ if (clock->last_time >= time)
+ time_offset = clock->last_time - time;
+ else
+ time_offset = -(time - clock->last_time);
+
+ clock->time_offset = time_offset;
+
+ GST_DEBUG_OBJECT (clock,
+ "reset clock to %" GST_TIME_FORMAT ", last %" GST_TIME_FORMAT
+ ", offset %" GST_STIME_FORMAT, GST_TIME_ARGS (time),
+ GST_TIME_ARGS (clock->last_time), GST_STIME_ARGS (time_offset));
+}
diff --git a/src/gst/gstpipewireclock.h b/src/gst/gstpipewireclock.h
new file mode 100644
index 0000000..0a3e447
--- /dev/null
+++ b/src/gst/gstpipewireclock.h
@@ -0,0 +1,71 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __GST_PIPEWIRE_CLOCK_H__
+#define __GST_PIPEWIRE_CLOCK_H__
+
+#include <gst/gst.h>
+
+#include <pipewire/pipewire.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_PIPEWIRE_CLOCK \
+ (gst_pipewire_clock_get_type())
+#define GST_PIPEWIRE_CLOCK(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PIPEWIRE_CLOCK,GstPipeWireClock))
+#define GST_PIPEWIRE_CLOCK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PIPEWIRE_CLOCK,GstPipeWireClockClass))
+#define GST_IS_PIPEWIRE_CLOCK(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PIPEWIRE_CLOCK))
+#define GST_IS_PIPEWIRE_CLOCK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PIPEWIRE_CLOCK))
+#define GST_PIPEWIRE_CLOCK_GET_CLASS(klass) \
+ (G_TYPE_INSTANCE_GET_CLASS ((klass), GST_TYPE_PIPEWIRE_CLOCK, GstPipeWireClockClass))
+
+typedef struct _GstPipeWireClock GstPipeWireClock;
+typedef struct _GstPipeWireClockClass GstPipeWireClockClass;
+
+struct _GstPipeWireClock {
+ GstSystemClock parent;
+
+ struct pw_stream *stream;
+ GstClockTime last_time;
+ GstClockTimeDiff time_offset;
+};
+
+struct _GstPipeWireClockClass {
+ GstSystemClockClass parent_class;
+};
+
+GType gst_pipewire_clock_get_type (void);
+
+GstClock * gst_pipewire_clock_new (struct pw_stream *stream,
+ GstClockTime last_time);
+void gst_pipewire_clock_reset (GstPipeWireClock *clock,
+ GstClockTime time);
+
+G_END_DECLS
+
+#endif /* __GST_PIPEWIRE_CLOCK_H__ */
diff --git a/src/gst/gstpipewirecore.c b/src/gst/gstpipewirecore.c
new file mode 100644
index 0000000..6910f4e
--- /dev/null
+++ b/src/gst/gstpipewirecore.c
@@ -0,0 +1,202 @@
+/* GStreamer
+ *
+ * Copyright © 2020 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <spa/utils/result.h>
+
+#include "gstpipewirecore.h"
+
+/* a list of global cores indexed by fd. */
+G_LOCK_DEFINE_STATIC (cores_lock);
+static GList *cores;
+
+static void
+on_core_error(void *data, uint32_t id, int seq, int res, const char *message)
+{
+ GstPipeWireCore *core = data;
+
+ pw_log_warn("error id:%u seq:%d res:%d (%s): %s",
+ id, seq, res, spa_strerror(res), message);
+
+ if (id == PW_ID_CORE) {
+ core->last_error = res;
+ }
+ pw_thread_loop_signal(core->loop, FALSE);
+}
+
+static void on_core_done (void *data, uint32_t id, int seq)
+{
+ GstPipeWireCore * core = data;
+ if (id == PW_ID_CORE) {
+ core->last_seq = seq;
+ pw_thread_loop_signal (core->loop, FALSE);
+ }
+}
+
+static const struct pw_core_events core_events = {
+ PW_VERSION_CORE_EVENTS,
+ .done = on_core_done,
+ .error = on_core_error,
+};
+
+static GstPipeWireCore *make_core (int fd)
+{
+ GstPipeWireCore *core;
+
+ core = g_new (GstPipeWireCore, 1);
+ core->refcount = 1;
+ core->fd = fd;
+ core->loop = pw_thread_loop_new ("pipewire-main-loop", NULL);
+ core->context = pw_context_new (pw_thread_loop_get_loop(core->loop), NULL, 0);
+ core->last_seq = -1;
+ core->last_error = 0;
+ GST_DEBUG ("loop %p context %p", core->loop, core->context);
+
+ if (pw_thread_loop_start (core->loop) < 0)
+ goto mainloop_failed;
+
+ pw_thread_loop_lock (core->loop);
+
+ if (fd == -1)
+ core->core = pw_context_connect (core->context, NULL, 0);
+ else
+ core->core = pw_context_connect_fd (core->context, fcntl(fd, F_DUPFD_CLOEXEC, 3), NULL, 0);
+
+ if (core->core == NULL)
+ goto connection_failed;
+
+ pw_core_add_listener(core->core,
+ &core->core_listener,
+ &core_events,
+ core);
+
+ pw_thread_loop_unlock (core->loop);
+
+ return core;
+
+mainloop_failed:
+ {
+ GST_ERROR ("error starting mainloop");
+ pw_context_destroy (core->context);
+ pw_thread_loop_destroy (core->loop);
+ g_free (core);
+ return NULL;
+ }
+connection_failed:
+ {
+ GST_ERROR ("error connect: %m");
+ pw_thread_loop_unlock (core->loop);
+ pw_context_destroy (core->context);
+ pw_thread_loop_destroy (core->loop);
+ g_free (core);
+ return NULL;
+ }
+}
+
+typedef struct {
+ int fd;
+} FindData;
+
+static gint
+core_find (GstPipeWireCore * core, FindData * data)
+{
+ /* fd's must match */
+ if (core->fd == data->fd)
+ return 0;
+ return 1;
+}
+
+GstPipeWireCore *gst_pipewire_core_get (int fd)
+{
+ GstPipeWireCore *core;
+ FindData data;
+ GList *found;
+
+ data.fd = fd;
+
+ G_LOCK (cores_lock);
+ found = g_list_find_custom (cores, &data, (GCompareFunc) core_find);
+ if (found != NULL) {
+ core = (GstPipeWireCore *) found->data;
+ core->refcount++;
+ GST_DEBUG ("found core %p", core);
+ } else {
+ core = make_core(fd);
+ if (core != NULL) {
+ GST_DEBUG ("created core %p", core);
+ /* add to list on success */
+ cores = g_list_prepend (cores, core);
+ } else {
+ GST_WARNING ("could not create core");
+ }
+ }
+ G_UNLOCK (cores_lock);
+
+ return core;
+}
+
+static void do_sync(GstPipeWireCore * core)
+{
+ struct timespec abstime;
+ core->pending_seq = pw_core_sync(core->core, 0, core->pending_seq);
+ pw_thread_loop_get_time (core->loop, &abstime,
+ GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
+ while (true) {
+ if (core->last_seq == core->pending_seq || core->last_error < 0)
+ break;
+ if (pw_thread_loop_timed_wait_full (core->loop, &abstime) < 0)
+ break;
+ }
+}
+
+void gst_pipewire_core_release (GstPipeWireCore *core)
+{
+ gboolean zero;
+
+ G_LOCK (cores_lock);
+ core->refcount--;
+ if ((zero = (core->refcount == 0))) {
+ GST_DEBUG ("closing core %p", core);
+ /* remove from list, we can release the mutex after removing the connection
+ * from the list because after that, nobody can access the connection anymore. */
+ cores = g_list_remove (cores, core);
+ }
+ G_UNLOCK (cores_lock);
+
+ if (zero) {
+ pw_thread_loop_lock (core->loop);
+ do_sync(core);
+
+ pw_core_disconnect (core->core);
+ pw_thread_loop_unlock (core->loop);
+ pw_thread_loop_stop (core->loop);
+ pw_context_destroy (core->context);
+ pw_thread_loop_destroy (core->loop);
+
+ free(core);
+ }
+}
diff --git a/src/gst/gstpipewirecore.h b/src/gst/gstpipewirecore.h
new file mode 100644
index 0000000..c64d466
--- /dev/null
+++ b/src/gst/gstpipewirecore.h
@@ -0,0 +1,60 @@
+/* GStreamer
+ *
+ * Copyright © 2020 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __GST_PIPEWIRE_CORE_H__
+#define __GST_PIPEWIRE_CORE_H__
+
+#include <gst/gst.h>
+
+#include <pipewire/pipewire.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstPipeWireCore GstPipeWireCore;
+
+#define GST_PIPEWIRE_DEFAULT_TIMEOUT 30
+
+/**
+ * GstPipeWireCore:
+ *
+ * Opaque data structure.
+ */
+struct _GstPipeWireCore {
+ gint refcount;
+ int fd;
+ struct pw_thread_loop *loop;
+ struct pw_context *context;
+ struct pw_core *core;
+ struct spa_hook core_listener;
+ int last_error;
+ int last_seq;
+ int pending_seq;
+};
+
+GstPipeWireCore *gst_pipewire_core_get (int fd);
+void gst_pipewire_core_release (GstPipeWireCore *core);
+
+G_END_DECLS
+
+#endif /* __GST_PIPEWIRE_CORE_H__ */
diff --git a/src/gst/gstpipewiredeviceprovider.c b/src/gst/gstpipewiredeviceprovider.c
new file mode 100644
index 0000000..598a7c5
--- /dev/null
+++ b/src/gst/gstpipewiredeviceprovider.c
@@ -0,0 +1,754 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <string.h>
+
+#include <spa/utils/result.h>
+#include <spa/utils/string.h>
+
+#include <gst/gst.h>
+
+#include "gstpipewireformat.h"
+#include "gstpipewiredeviceprovider.h"
+#include "gstpipewiresrc.h"
+#include "gstpipewiresink.h"
+
+GST_DEBUG_CATEGORY_EXTERN (pipewire_debug);
+#define GST_CAT_DEFAULT pipewire_debug
+
+G_DEFINE_TYPE (GstPipeWireDevice, gst_pipewire_device, GST_TYPE_DEVICE);
+
+enum
+{
+ PROP_ID = 1,
+ PROP_SERIAL,
+ PROP_FD_DEVICE,
+};
+
+static GstElement *
+gst_pipewire_device_create_element (GstDevice * device, const gchar * name)
+{
+ GstPipeWireDevice *pipewire_dev = GST_PIPEWIRE_DEVICE (device);
+ GstElement *elem;
+ gchar *serial_str;
+
+ elem = gst_element_factory_make (pipewire_dev->element, name);
+
+ serial_str = g_strdup_printf ("%"PRIu64, pipewire_dev->serial);
+ g_object_set (elem, "target-object", serial_str,
+ "fd", pipewire_dev->fd, NULL);
+ g_free (serial_str);
+
+ return elem;
+}
+
+static gboolean
+gst_pipewire_device_reconfigure_element (GstDevice * device, GstElement * element)
+{
+ GstPipeWireDevice *pipewire_dev = GST_PIPEWIRE_DEVICE (device);
+ gchar *serial_str;
+
+ if (spa_streq(pipewire_dev->element, "pipewiresrc")) {
+ if (!GST_IS_PIPEWIRE_SRC (element))
+ return FALSE;
+ } else if (spa_streq(pipewire_dev->element, "pipewiresink")) {
+ if (!GST_IS_PIPEWIRE_SINK (element))
+ return FALSE;
+ } else {
+ g_assert_not_reached ();
+ }
+
+ serial_str = g_strdup_printf ("%"PRIu64, pipewire_dev->serial);
+ g_object_set (element, "target-object", serial_str,
+ "fd", pipewire_dev->fd, NULL);
+ g_free (serial_str);
+
+ return TRUE;
+}
+
+
+static void
+gst_pipewire_device_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstPipeWireDevice *device;
+
+ device = GST_PIPEWIRE_DEVICE_CAST (object);
+
+ switch (prop_id) {
+ case PROP_ID:
+ g_value_set_uint (value, device->id);
+ break;
+ case PROP_SERIAL:
+ g_value_set_uint64 (value, device->serial);
+ break;
+ case PROP_FD_DEVICE:
+ g_value_set_int (value, device->fd);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_pipewire_device_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstPipeWireDevice *device;
+
+ device = GST_PIPEWIRE_DEVICE_CAST (object);
+
+ switch (prop_id) {
+ case PROP_ID:
+ device->id = g_value_get_uint (value);
+ break;
+ case PROP_SERIAL:
+ device->serial = g_value_get_uint64 (value);
+ break;
+ case PROP_FD_DEVICE:
+ device->fd = g_value_get_int (value);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_pipewire_device_finalize (GObject * object)
+{
+ G_OBJECT_CLASS (gst_pipewire_device_parent_class)->finalize (object);
+}
+
+static void
+gst_pipewire_device_class_init (GstPipeWireDeviceClass * klass)
+{
+ GstDeviceClass *dev_class = GST_DEVICE_CLASS (klass);
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ dev_class->create_element = gst_pipewire_device_create_element;
+ dev_class->reconfigure_element = gst_pipewire_device_reconfigure_element;
+
+ object_class->get_property = gst_pipewire_device_get_property;
+ object_class->set_property = gst_pipewire_device_set_property;
+ object_class->finalize = gst_pipewire_device_finalize;
+
+ g_object_class_install_property (object_class, PROP_ID,
+ g_param_spec_uint ("id", "Id",
+ "The internal id of the PipeWire device", 0, G_MAXUINT32, SPA_ID_INVALID,
+ G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_SERIAL,
+ g_param_spec_uint64 ("serial", "Serial",
+ "The internal serial of the PipeWire device", 0, G_MAXUINT64, SPA_ID_INVALID,
+ G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class,
+ PROP_FD_DEVICE,
+ g_param_spec_int ("fd", "Fd", "The fd to connect with", -1, G_MAXINT, -1,
+ G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+}
+
+static void
+gst_pipewire_device_init (GstPipeWireDevice * device)
+{
+}
+
+G_DEFINE_TYPE (GstPipeWireDeviceProvider, gst_pipewire_device_provider,
+ GST_TYPE_DEVICE_PROVIDER);
+
+enum
+{
+ PROP_0,
+ PROP_CLIENT_NAME,
+ PROP_FD,
+ PROP_LAST
+};
+
+struct node_data {
+ struct spa_list link;
+ GstPipeWireDeviceProvider *self;
+ struct pw_node *proxy;
+ struct spa_hook proxy_listener;
+ uint32_t id;
+ uint64_t serial;
+ struct spa_hook node_listener;
+ struct pw_node_info *info;
+ GstCaps *caps;
+ GstDevice *dev;
+};
+
+struct port_data {
+ struct node_data *node_data;
+ struct pw_port *proxy;
+ struct spa_hook proxy_listener;
+ uint32_t id;
+ uint64_t serial;
+ struct spa_hook port_listener;
+};
+
+static struct node_data *find_node_data(struct spa_list *nodes, uint32_t id)
+{
+ struct node_data *n;
+ spa_list_for_each(n, nodes, link) {
+ if (n->id == id)
+ return n;
+ }
+ return NULL;
+}
+
+static GstDevice *
+new_node (GstPipeWireDeviceProvider *self, struct node_data *data)
+{
+ GstStructure *props;
+ const gchar *klass = NULL, *name = NULL;
+ GstPipeWireDeviceType type;
+ const struct pw_node_info *info = data->info;
+ const gchar *element = NULL;
+ GstPipeWireDevice *gstdev;
+
+ if (info->max_input_ports > 0 && info->max_output_ports == 0) {
+ type = GST_PIPEWIRE_DEVICE_TYPE_SINK;
+ element = "pipewiresink";
+ } else if (info->max_output_ports > 0 && info->max_input_ports == 0) {
+ type = GST_PIPEWIRE_DEVICE_TYPE_SOURCE;
+ element = "pipewiresrc";
+ } else {
+ return NULL;
+ }
+
+ props = gst_structure_new_empty ("pipewire-proplist");
+ if (info->props) {
+ const struct spa_dict_item *item;
+ spa_dict_for_each (item, info->props)
+ gst_structure_set (props, item->key, G_TYPE_STRING, item->value, NULL);
+
+ klass = spa_dict_lookup (info->props, PW_KEY_MEDIA_CLASS);
+ name = spa_dict_lookup (info->props, PW_KEY_NODE_DESCRIPTION);
+ }
+ if (klass == NULL)
+ klass = "unknown/unknown";
+ if (name == NULL)
+ name = "unknown";
+
+ gstdev = g_object_new (GST_TYPE_PIPEWIRE_DEVICE,
+ "display-name", name, "caps", data->caps, "device-class", klass,
+ "id", data->id, "serial", data->serial, "fd", self->fd,
+ "properties", props, NULL);
+
+ gstdev->id = data->id;
+ gstdev->serial = data->serial;
+ gstdev->type = type;
+ gstdev->element = element;
+ if (props)
+ gst_structure_free (props);
+
+ return GST_DEVICE (gstdev);
+}
+
+static void do_add_nodes(GstPipeWireDeviceProvider *self)
+{
+ struct node_data *nd;
+
+ spa_list_for_each(nd, &self->nodes, link) {
+ if (nd->dev != NULL)
+ continue;
+ pw_log_info("add node %d", nd->id);
+ nd->dev = new_node (self, nd);
+ if (nd->dev) {
+ if(self->list_only)
+ self->devices = g_list_prepend (self->devices, gst_object_ref_sink (nd->dev));
+ else
+ gst_device_provider_device_add (GST_DEVICE_PROVIDER (self), nd->dev);
+ }
+ }
+}
+
+static void resync(GstPipeWireDeviceProvider *self)
+{
+ self->seq = pw_core_sync(self->core->core, PW_ID_CORE, self->seq);
+ pw_log_debug("resync %d", self->seq);
+}
+
+static void
+on_core_done (void *data, uint32_t id, int seq)
+{
+ GstPipeWireDeviceProvider *self = data;
+
+ pw_log_debug("check %d %d", seq, self->seq);
+ if (id == PW_ID_CORE && seq == self->seq) {
+ do_add_nodes(self);
+ self->end = true;
+ if (self->core)
+ pw_thread_loop_signal (self->core->loop, FALSE);
+ }
+}
+
+
+static void
+on_core_error(void *data, uint32_t id, int seq, int res, const char *message)
+{
+ GstPipeWireDeviceProvider *self = data;
+
+ pw_log_warn("error id:%u seq:%d res:%d (%s): %s",
+ id, seq, res, spa_strerror(res), message);
+
+ if (id == PW_ID_CORE) {
+ self->error = res;
+ }
+ pw_thread_loop_signal(self->core->loop, FALSE);
+}
+
+static const struct pw_core_events core_events = {
+ PW_VERSION_CORE_EVENTS,
+ .done = on_core_done,
+ .error = on_core_error,
+};
+
+static void port_event_info(void *data, const struct pw_port_info *info)
+{
+ struct port_data *port_data = data;
+ struct node_data *node_data = port_data->node_data;
+ uint32_t i;
+
+ pw_log_debug("%p", port_data);
+
+ if (info->change_mask & PW_PORT_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ uint32_t id = info->params[i].id;
+
+ if (id == SPA_PARAM_EnumFormat &&
+ info->params[i].flags & SPA_PARAM_INFO_READ &&
+ node_data->caps == NULL) {
+ node_data->caps = gst_caps_new_empty ();
+ pw_port_enum_params(port_data->proxy, 0, id, 0, UINT32_MAX, NULL);
+ resync(node_data->self);
+ }
+ }
+ }
+}
+
+static void port_event_param(void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next, const struct spa_pod *param)
+{
+ struct port_data *port_data = data;
+ struct node_data *node_data = port_data->node_data;
+ GstCaps *c1;
+
+ c1 = gst_caps_from_format (param);
+ if (c1 && node_data->caps)
+ gst_caps_append (node_data->caps, c1);
+}
+
+static const struct pw_port_events port_events = {
+ PW_VERSION_PORT_EVENTS,
+ .info = port_event_info,
+ .param = port_event_param
+};
+
+static void node_event_info(void *data, const struct pw_node_info *info)
+{
+ struct node_data *node_data = data;
+ uint32_t i;
+
+ pw_log_debug("%p", node_data->proxy);
+
+ info = node_data->info = pw_node_info_update(node_data->info, info);
+
+ if (info->change_mask & PW_NODE_CHANGE_MASK_PARAMS) {
+ for (i = 0; i < info->n_params; i++) {
+ uint32_t id = info->params[i].id;
+
+ if (id == SPA_PARAM_EnumFormat &&
+ info->params[i].flags & SPA_PARAM_INFO_READ &&
+ node_data->caps == NULL) {
+ node_data->caps = gst_caps_new_empty ();
+ pw_node_enum_params(node_data->proxy, 0, id, 0, UINT32_MAX, NULL);
+ resync(node_data->self);
+ }
+ }
+ }
+}
+
+static void node_event_param(void *data, int seq, uint32_t id,
+ uint32_t index, uint32_t next, const struct spa_pod *param)
+{
+ struct node_data *node_data = data;
+ GstCaps *c1;
+
+ c1 = gst_caps_from_format (param);
+ if (c1 && node_data->caps)
+ gst_caps_append (node_data->caps, c1);
+}
+
+static const struct pw_node_events node_events = {
+ PW_VERSION_NODE_EVENTS,
+ .info = node_event_info,
+ .param = node_event_param
+};
+
+static void
+removed_node (void *data)
+{
+ struct node_data *nd = data;
+ pw_proxy_destroy((struct pw_proxy*)nd->proxy);
+}
+
+static void
+destroy_node (void *data)
+{
+ struct node_data *nd = data;
+ GstPipeWireDeviceProvider *self = nd->self;
+ GstDeviceProvider *provider = GST_DEVICE_PROVIDER (self);
+
+ pw_log_debug("destroy %p", nd);
+
+ if (nd->dev != NULL) {
+ gst_device_provider_device_remove (provider, GST_DEVICE (nd->dev));
+ }
+ if (nd->caps)
+ gst_caps_unref(nd->caps);
+ if (nd->info)
+ pw_node_info_free(nd->info);
+
+ spa_list_remove(&nd->link);
+}
+
+static const struct pw_proxy_events proxy_node_events = {
+ PW_VERSION_PROXY_EVENTS,
+ .removed = removed_node,
+ .destroy = destroy_node,
+};
+
+static void
+removed_port (void *data)
+{
+ struct port_data *pd = data;
+ pw_proxy_destroy((struct pw_proxy*)pd->proxy);
+}
+
+static void
+destroy_port (void *data)
+{
+ struct port_data *pd = data;
+ pw_log_debug("destroy %p", pd);
+}
+
+static const struct pw_proxy_events proxy_port_events = {
+ PW_VERSION_PROXY_EVENTS,
+ .removed = removed_port,
+ .destroy = destroy_port,
+};
+
+static void registry_event_global(void *data, uint32_t id, uint32_t permissions,
+ const char *type, uint32_t version,
+ const struct spa_dict *props)
+{
+ GstPipeWireDeviceProvider *self = data;
+ GstDeviceProvider *provider = (GstDeviceProvider*)self;
+ struct node_data *nd;
+ const char *str;
+
+ if (spa_streq(type, PW_TYPE_INTERFACE_Node)) {
+ struct pw_node *node;
+
+ node = pw_registry_bind(self->registry,
+ id, type, PW_VERSION_NODE, sizeof(*nd));
+ if (node == NULL)
+ goto no_mem;
+
+ if (props != NULL) {
+ str = spa_dict_lookup(props, PW_KEY_OBJECT_PATH);
+ if (str != NULL) {
+ if (g_str_has_prefix(str, "alsa:"))
+ gst_device_provider_hide_provider (provider, "pulsedeviceprovider");
+ else if (g_str_has_prefix(str, "v4l2:"))
+ gst_device_provider_hide_provider (provider, "v4l2deviceprovider");
+ else if (g_str_has_prefix(str, "libcamera:"))
+ gst_device_provider_hide_provider (provider, "libcameraprovider");
+ }
+ }
+
+ nd = pw_proxy_get_user_data((struct pw_proxy*)node);
+ nd->self = self;
+ nd->proxy = node;
+ nd->id = id;
+ if (!props || !spa_atou64(spa_dict_lookup(props, PW_KEY_OBJECT_SERIAL), &nd->serial, 0))
+ nd->serial = SPA_ID_INVALID;
+ spa_list_append(&self->nodes, &nd->link);
+ pw_node_add_listener(node, &nd->node_listener, &node_events, nd);
+ pw_proxy_add_listener((struct pw_proxy*)node, &nd->proxy_listener, &proxy_node_events, nd);
+ resync(self);
+ }
+ else if (spa_streq(type, PW_TYPE_INTERFACE_Port)) {
+ struct pw_port *port;
+ struct port_data *pd;
+
+ if ((str = spa_dict_lookup(props, PW_KEY_NODE_ID)) == NULL)
+ return;
+
+ if ((nd = find_node_data(&self->nodes, atoi(str))) == NULL)
+ return;
+
+ port = pw_registry_bind(self->registry,
+ id, type, PW_VERSION_PORT, sizeof(*pd));
+ if (port == NULL)
+ goto no_mem;
+
+ pd = pw_proxy_get_user_data((struct pw_proxy*)port);
+ pd->node_data = nd;
+ pd->proxy = port;
+ pd->id = id;
+ if (!props || !spa_atou64(spa_dict_lookup(props, PW_KEY_OBJECT_SERIAL), &pd->serial, 0))
+ pd->serial = SPA_ID_INVALID;
+ pw_port_add_listener(port, &pd->port_listener, &port_events, pd);
+ pw_proxy_add_listener((struct pw_proxy*)port, &pd->proxy_listener, &proxy_port_events, pd);
+ resync(self);
+ }
+
+ return;
+
+no_mem:
+ GST_ERROR_OBJECT(self, "failed to create proxy");
+ return;
+}
+
+static void registry_event_global_remove(void *data, uint32_t id)
+{
+}
+
+static const struct pw_registry_events registry_events = {
+ PW_VERSION_REGISTRY_EVENTS,
+ .global = registry_event_global,
+ .global_remove = registry_event_global_remove,
+};
+
+static GList *
+gst_pipewire_device_provider_probe (GstDeviceProvider * provider)
+{
+ GstPipeWireDeviceProvider *self = GST_PIPEWIRE_DEVICE_PROVIDER (provider);
+
+ GST_DEBUG_OBJECT (self, "starting probe");
+
+ self->core = gst_pipewire_core_get(self->fd);
+ if (self->core == NULL) {
+ GST_ERROR_OBJECT (self, "Failed to connect");
+ goto failed;
+ }
+
+ GST_DEBUG_OBJECT (self, "connected");
+
+ pw_thread_loop_lock (self->core->loop);
+
+ spa_list_init(&self->nodes);
+ spa_list_init(&self->pending);
+ self->end = FALSE;
+ self->error = 0;
+ self->list_only = TRUE;
+ self->devices = NULL;
+ self->registry = pw_core_get_registry(self->core->core, PW_VERSION_REGISTRY, 0);
+
+ pw_core_add_listener(self->core->core, &self->core_listener, &core_events, self);
+ pw_registry_add_listener(self->registry, &self->registry_listener, &registry_events, self);
+
+ resync(self);
+
+ for (;;) {
+ if (self->error < 0)
+ break;
+ if (self->end)
+ break;
+ pw_thread_loop_wait (self->core->loop);
+ }
+
+ GST_DEBUG_OBJECT (self, "disconnect");
+
+ g_clear_pointer ((struct pw_proxy**)&self->registry, pw_proxy_destroy);
+ pw_thread_loop_unlock (self->core->loop);
+ g_clear_pointer (&self->core, gst_pipewire_core_release);
+
+ return self->devices;
+
+failed:
+ return NULL;
+}
+
+static gboolean
+gst_pipewire_device_provider_start (GstDeviceProvider * provider)
+{
+ GstPipeWireDeviceProvider *self = GST_PIPEWIRE_DEVICE_PROVIDER (provider);
+
+ GST_DEBUG_OBJECT (self, "starting provider");
+
+ self->core = gst_pipewire_core_get(self->fd);
+ if (self->core == NULL) {
+ GST_ERROR_OBJECT (self, "Failed to connect");
+ goto failed;
+ }
+
+ GST_DEBUG_OBJECT (self, "connected");
+
+ pw_thread_loop_lock (self->core->loop);
+
+ spa_list_init(&self->nodes);
+ spa_list_init(&self->pending);
+ self->end = FALSE;
+ self->error = 0;
+ self->list_only = FALSE;
+ self->registry = pw_core_get_registry(self->core->core, PW_VERSION_REGISTRY, 0);
+
+ pw_core_add_listener(self->core->core, &self->core_listener, &core_events, self);
+ pw_registry_add_listener(self->registry, &self->registry_listener, &registry_events, self);
+
+ resync(self);
+
+ for (;;) {
+ if (self->error < 0)
+ break;
+ if (self->end)
+ break;
+ pw_thread_loop_wait (self->core->loop);
+ }
+
+ GST_DEBUG_OBJECT (self, "started");
+
+ pw_thread_loop_unlock (self->core->loop);
+
+ return TRUE;
+
+failed:
+ return TRUE;
+}
+
+static void
+gst_pipewire_device_provider_stop (GstDeviceProvider * provider)
+{
+ GstPipeWireDeviceProvider *self = GST_PIPEWIRE_DEVICE_PROVIDER (provider);
+
+ GST_DEBUG_OBJECT (self, "stopping provider");
+
+ g_clear_pointer ((struct pw_proxy**)&self->registry, pw_proxy_destroy);
+ g_clear_pointer (&self->core, gst_pipewire_core_release);
+}
+
+static void
+gst_pipewire_device_provider_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec)
+{
+ GstPipeWireDeviceProvider *self = GST_PIPEWIRE_DEVICE_PROVIDER (object);
+
+ switch (prop_id) {
+ case PROP_CLIENT_NAME:
+ g_free (self->client_name);
+ if (!g_value_get_string (value)) {
+ GST_WARNING_OBJECT (self,
+ "Empty PipeWire client name not allowed. "
+ "Resetting to default value");
+ self->client_name = g_strdup(pw_get_client_name ());
+ } else
+ self->client_name = g_value_dup_string (value);
+ break;
+
+ case PROP_FD:
+ self->fd = g_value_get_int (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_pipewire_device_provider_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec)
+{
+ GstPipeWireDeviceProvider *self = GST_PIPEWIRE_DEVICE_PROVIDER (object);
+
+ switch (prop_id) {
+ case PROP_CLIENT_NAME:
+ g_value_set_string (value, self->client_name);
+ break;
+
+ case PROP_FD:
+ g_value_set_int (value, self->fd);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_pipewire_device_provider_finalize (GObject * object)
+{
+ GstPipeWireDeviceProvider *self = GST_PIPEWIRE_DEVICE_PROVIDER (object);
+
+ g_free (self->client_name);
+
+ G_OBJECT_CLASS (gst_pipewire_device_provider_parent_class)->finalize (object);
+}
+
+static void
+gst_pipewire_device_provider_class_init (GstPipeWireDeviceProviderClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstDeviceProviderClass *dm_class = GST_DEVICE_PROVIDER_CLASS (klass);
+
+ gobject_class->set_property = gst_pipewire_device_provider_set_property;
+ gobject_class->get_property = gst_pipewire_device_provider_get_property;
+ gobject_class->finalize = gst_pipewire_device_provider_finalize;
+
+ dm_class->probe = gst_pipewire_device_provider_probe;
+ dm_class->start = gst_pipewire_device_provider_start;
+ dm_class->stop = gst_pipewire_device_provider_stop;
+
+ g_object_class_install_property (gobject_class,
+ PROP_CLIENT_NAME,
+ g_param_spec_string ("client-name", "Client Name",
+ "The PipeWire client_name_to_use", pw_get_client_name (),
+ G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS |
+ GST_PARAM_MUTABLE_READY));
+
+ g_object_class_install_property (gobject_class,
+ PROP_FD,
+ g_param_spec_int ("fd", "Fd", "The fd to connect with", -1, G_MAXINT, -1,
+ G_PARAM_STATIC_STRINGS | G_PARAM_READWRITE));
+
+ gst_device_provider_class_set_static_metadata (dm_class,
+ "PipeWire Device Provider", "Sink/Source/Audio/Video",
+ "List and provide PipeWire source and sink devices",
+ "Wim Taymans <wim.taymans@gmail.com>");
+}
+
+static void
+gst_pipewire_device_provider_init (GstPipeWireDeviceProvider * self)
+{
+ self->client_name = g_strdup(pw_get_client_name ());
+ self->fd = -1;
+}
diff --git a/src/gst/gstpipewiredeviceprovider.h b/src/gst/gstpipewiredeviceprovider.h
new file mode 100644
index 0000000..c940ba4
--- /dev/null
+++ b/src/gst/gstpipewiredeviceprovider.h
@@ -0,0 +1,110 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+
+#ifndef __GST_PIPEWIRE_DEVICE_PROVIDER_H__
+#define __GST_PIPEWIRE_DEVICE_PROVIDER_H__
+
+#include "config.h"
+
+#include <gst/gst.h>
+
+#include <pipewire/pipewire.h>
+#include <gst/gstpipewirecore.h>
+
+G_BEGIN_DECLS
+
+typedef struct _GstPipeWireDevice GstPipeWireDevice;
+typedef struct _GstPipeWireDeviceClass GstPipeWireDeviceClass;
+
+#define GST_TYPE_PIPEWIRE_DEVICE (gst_pipewire_device_get_type())
+#define GST_IS_PIPEWIRE_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PIPEWIRE_DEVICE))
+#define GST_IS_PIPEWIRE_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PIPEWIRE_DEVICE))
+#define GST_PIPEWIRE_DEVICE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PIPEWIRE_DEVICE, GstPipeWireDeviceClass))
+#define GST_PIPEWIRE_DEVICE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PIPEWIRE_DEVICE, GstPipeWireDevice))
+#define GST_PIPEWIRE_DEVICE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE, GstPipeWireDeviceClass))
+#define GST_PIPEWIRE_DEVICE_CAST(obj) ((GstPipeWireDevice *)(obj))
+
+typedef enum {
+ GST_PIPEWIRE_DEVICE_TYPE_UNKNOWN,
+ GST_PIPEWIRE_DEVICE_TYPE_SOURCE,
+ GST_PIPEWIRE_DEVICE_TYPE_SINK,
+} GstPipeWireDeviceType;
+
+struct _GstPipeWireDevice {
+ GstDevice parent;
+
+ GstPipeWireDeviceType type;
+ uint32_t id;
+ uint64_t serial;
+ int fd;
+ const gchar *element;
+};
+
+struct _GstPipeWireDeviceClass {
+ GstDeviceClass parent_class;
+};
+
+GType gst_pipewire_device_get_type (void);
+
+typedef struct _GstPipeWireDeviceProvider GstPipeWireDeviceProvider;
+typedef struct _GstPipeWireDeviceProviderClass GstPipeWireDeviceProviderClass;
+
+#define GST_TYPE_PIPEWIRE_DEVICE_PROVIDER (gst_pipewire_device_provider_get_type())
+#define GST_IS_PIPEWIRE_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_PIPEWIRE_DEVICE_PROVIDER))
+#define GST_IS_PIPEWIRE_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_PIPEWIRE_DEVICE_PROVIDER))
+#define GST_PIPEWIRE_DEVICE_PROVIDER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_PIPEWIRE_DEVICE_PROVIDER, GstPipeWireDeviceProviderClass))
+#define GST_PIPEWIRE_DEVICE_PROVIDER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_PIPEWIRE_DEVICE_PROVIDER, GstPipeWireDeviceProvider))
+#define GST_PIPEWIRE_DEVICE_PROVIDER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEVICE_PROVIDER, GstPipeWireDeviceProviderClass))
+#define GST_PIPEWIRE_DEVICE_PROVIDER_CAST(obj) ((GstPipeWireDeviceProvider *)(obj))
+
+struct _GstPipeWireDeviceProvider {
+ GstDeviceProvider parent;
+
+ gchar *client_name;
+ int fd;
+
+ GstPipeWireCore *core;
+ struct spa_hook core_listener;
+ struct pw_registry *registry;
+ struct spa_hook registry_listener;
+ struct spa_list nodes;
+ struct spa_list pending;
+ int seq;
+
+ int error;
+ gboolean end;
+ gboolean list_only;
+ GList *devices;
+};
+
+struct _GstPipeWireDeviceProviderClass {
+ GstDeviceProviderClass parent_class;
+};
+
+GType gst_pipewire_device_provider_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_PIPEWIRE_DEVICE_PROVIDER_H__ */
diff --git a/src/gst/gstpipewireformat.c b/src/gst/gstpipewireformat.c
new file mode 100644
index 0000000..006c499
--- /dev/null
+++ b/src/gst/gstpipewireformat.c
@@ -0,0 +1,981 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+
+#include <gst/gst.h>
+#include <gst/allocators/gstdmabuf.h>
+#include <gst/video/video.h>
+#include <gst/audio/audio.h>
+
+#include <spa/utils/string.h>
+#include <spa/utils/type.h>
+#include <spa/param/video/format-utils.h>
+#include <spa/param/audio/format-utils.h>
+#include <spa/pod/builder.h>
+
+#include "gstpipewireformat.h"
+
+#ifndef DRM_FORMAT_MOD_INVALID
+#define DRM_FORMAT_MOD_INVALID ((1ULL << 56) - 1)
+#endif
+
+#ifndef DRM_FORMAT_MOD_LINEAR
+#define DRM_FORMAT_MOD_LINEAR 0
+#endif
+
+struct media_type {
+ const char *name;
+ uint32_t media_type;
+ uint32_t media_subtype;
+};
+
+static const struct media_type media_type_map[] = {
+ { "video/x-raw", SPA_MEDIA_TYPE_video, SPA_MEDIA_SUBTYPE_raw },
+ { "audio/x-raw", SPA_MEDIA_TYPE_audio, SPA_MEDIA_SUBTYPE_raw },
+ { "image/jpeg", SPA_MEDIA_TYPE_video, SPA_MEDIA_SUBTYPE_mjpg },
+ { "video/x-jpeg", SPA_MEDIA_TYPE_video, SPA_MEDIA_SUBTYPE_mjpg },
+ { "video/x-h264", SPA_MEDIA_TYPE_video, SPA_MEDIA_SUBTYPE_h264 },
+ { "audio/x-mulaw", SPA_MEDIA_TYPE_audio, SPA_MEDIA_SUBTYPE_raw },
+ { "audio/x-alaw", SPA_MEDIA_TYPE_audio, SPA_MEDIA_SUBTYPE_raw },
+ { "audio/mpeg", SPA_MEDIA_TYPE_audio, SPA_MEDIA_SUBTYPE_mp3 },
+ { "audio/x-flac", SPA_MEDIA_TYPE_audio, SPA_MEDIA_SUBTYPE_flac },
+ { NULL, }
+};
+
+static const uint32_t video_format_map[] = {
+ SPA_VIDEO_FORMAT_UNKNOWN,
+ SPA_VIDEO_FORMAT_ENCODED,
+ SPA_VIDEO_FORMAT_I420,
+ SPA_VIDEO_FORMAT_YV12,
+ SPA_VIDEO_FORMAT_YUY2,
+ SPA_VIDEO_FORMAT_UYVY,
+ SPA_VIDEO_FORMAT_AYUV,
+ SPA_VIDEO_FORMAT_RGBx,
+ SPA_VIDEO_FORMAT_BGRx,
+ SPA_VIDEO_FORMAT_xRGB,
+ SPA_VIDEO_FORMAT_xBGR,
+ SPA_VIDEO_FORMAT_RGBA,
+ SPA_VIDEO_FORMAT_BGRA,
+ SPA_VIDEO_FORMAT_ARGB,
+ SPA_VIDEO_FORMAT_ABGR,
+ SPA_VIDEO_FORMAT_RGB,
+ SPA_VIDEO_FORMAT_BGR,
+ SPA_VIDEO_FORMAT_Y41B,
+ SPA_VIDEO_FORMAT_Y42B,
+ SPA_VIDEO_FORMAT_YVYU,
+ SPA_VIDEO_FORMAT_Y444,
+ SPA_VIDEO_FORMAT_v210,
+ SPA_VIDEO_FORMAT_v216,
+ SPA_VIDEO_FORMAT_NV12,
+ SPA_VIDEO_FORMAT_NV21,
+ SPA_VIDEO_FORMAT_GRAY8,
+ SPA_VIDEO_FORMAT_GRAY16_BE,
+ SPA_VIDEO_FORMAT_GRAY16_LE,
+ SPA_VIDEO_FORMAT_v308,
+ SPA_VIDEO_FORMAT_RGB16,
+ SPA_VIDEO_FORMAT_BGR16,
+ SPA_VIDEO_FORMAT_RGB15,
+ SPA_VIDEO_FORMAT_BGR15,
+ SPA_VIDEO_FORMAT_UYVP,
+ SPA_VIDEO_FORMAT_A420,
+ SPA_VIDEO_FORMAT_RGB8P,
+ SPA_VIDEO_FORMAT_YUV9,
+ SPA_VIDEO_FORMAT_YVU9,
+ SPA_VIDEO_FORMAT_IYU1,
+ SPA_VIDEO_FORMAT_ARGB64,
+ SPA_VIDEO_FORMAT_AYUV64,
+ SPA_VIDEO_FORMAT_r210,
+ SPA_VIDEO_FORMAT_I420_10BE,
+ SPA_VIDEO_FORMAT_I420_10LE,
+ SPA_VIDEO_FORMAT_I422_10BE,
+ SPA_VIDEO_FORMAT_I422_10LE,
+ SPA_VIDEO_FORMAT_Y444_10BE,
+ SPA_VIDEO_FORMAT_Y444_10LE,
+ SPA_VIDEO_FORMAT_GBR,
+ SPA_VIDEO_FORMAT_GBR_10BE,
+ SPA_VIDEO_FORMAT_GBR_10LE,
+ SPA_VIDEO_FORMAT_NV16,
+ SPA_VIDEO_FORMAT_NV24,
+ SPA_VIDEO_FORMAT_NV12_64Z32,
+ SPA_VIDEO_FORMAT_A420_10BE,
+ SPA_VIDEO_FORMAT_A420_10LE,
+ SPA_VIDEO_FORMAT_A422_10BE,
+ SPA_VIDEO_FORMAT_A422_10LE,
+ SPA_VIDEO_FORMAT_A444_10BE,
+ SPA_VIDEO_FORMAT_A444_10LE,
+ SPA_VIDEO_FORMAT_NV61,
+ SPA_VIDEO_FORMAT_P010_10BE,
+ SPA_VIDEO_FORMAT_P010_10LE,
+ SPA_VIDEO_FORMAT_IYU2,
+ SPA_VIDEO_FORMAT_VYUY,
+ SPA_VIDEO_FORMAT_GBRA,
+ SPA_VIDEO_FORMAT_GBRA_10BE,
+ SPA_VIDEO_FORMAT_GBRA_10LE,
+ SPA_VIDEO_FORMAT_GBR_12BE,
+ SPA_VIDEO_FORMAT_GBR_12LE,
+ SPA_VIDEO_FORMAT_GBRA_12BE,
+ SPA_VIDEO_FORMAT_GBRA_12LE,
+ SPA_VIDEO_FORMAT_I420_12BE,
+ SPA_VIDEO_FORMAT_I420_12LE,
+ SPA_VIDEO_FORMAT_I422_12BE,
+ SPA_VIDEO_FORMAT_I422_12LE,
+ SPA_VIDEO_FORMAT_Y444_12BE,
+ SPA_VIDEO_FORMAT_Y444_12LE,
+};
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define _FORMAT_LE(fmt) SPA_AUDIO_FORMAT_ ## fmt ## _OE
+#define _FORMAT_BE(fmt) SPA_AUDIO_FORMAT_ ## fmt
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+#define _FORMAT_LE(fmt) SPA_AUDIO_FORMAT_ ## fmt
+#define _FORMAT_BE(fmt) SPA_AUDIO_FORMAT_ ## fmt ## _OE
+#endif
+
+static const uint32_t audio_format_map[] = {
+ SPA_AUDIO_FORMAT_UNKNOWN,
+ SPA_AUDIO_FORMAT_ENCODED,
+ SPA_AUDIO_FORMAT_S8,
+ SPA_AUDIO_FORMAT_U8,
+ _FORMAT_LE (S16),
+ _FORMAT_BE (S16),
+ _FORMAT_LE (U16),
+ _FORMAT_BE (U16),
+ _FORMAT_LE (S24_32),
+ _FORMAT_BE (S24_32),
+ _FORMAT_LE (U24_32),
+ _FORMAT_BE (U24_32),
+ _FORMAT_LE (S32),
+ _FORMAT_BE (S32),
+ _FORMAT_LE (U32),
+ _FORMAT_BE (U32),
+ _FORMAT_LE (S24),
+ _FORMAT_BE (S24),
+ _FORMAT_LE (U24),
+ _FORMAT_BE (U24),
+ _FORMAT_LE (S20),
+ _FORMAT_BE (S20),
+ _FORMAT_LE (U20),
+ _FORMAT_BE (U20),
+ _FORMAT_LE (S18),
+ _FORMAT_BE (S18),
+ _FORMAT_LE (U18),
+ _FORMAT_BE (U18),
+ _FORMAT_LE (F32),
+ _FORMAT_BE (F32),
+ _FORMAT_LE (F64),
+ _FORMAT_BE (F64),
+};
+
+typedef struct {
+ struct spa_pod_builder b;
+ const struct media_type *type;
+ uint32_t id;
+ const GstCapsFeatures *cf;
+ const GstStructure *cs;
+ GPtrArray *array;
+} ConvertData;
+
+static const struct media_type *
+find_media_types (const char *name)
+{
+ int i;
+ for (i = 0; media_type_map[i].name; i++) {
+ if (spa_streq(media_type_map[i].name, name))
+ return &media_type_map[i];
+ }
+ return NULL;
+}
+
+static int find_index(const uint32_t *items, int n_items, uint32_t id)
+{
+ int i;
+ for (i = 0; i < n_items; i++)
+ if (items[i] == id)
+ return i;
+ return -1;
+}
+
+static const char *
+get_nth_string (const GValue *val, int idx)
+{
+ const GValue *v = NULL;
+ GType type = G_VALUE_TYPE (val);
+
+ if (type == G_TYPE_STRING && idx == 0)
+ v = val;
+ else if (type == GST_TYPE_LIST) {
+ GArray *array = g_value_peek_pointer (val);
+ if (idx < (int)(array->len + 1)) {
+ v = &g_array_index (array, GValue, SPA_MAX (idx - 1, 0));
+ }
+ }
+ if (v)
+ return g_value_get_string (v);
+
+ return NULL;
+}
+
+static bool
+get_nth_int (const GValue *val, int idx, int *res)
+{
+ const GValue *v = NULL;
+ GType type = G_VALUE_TYPE (val);
+
+ if (type == G_TYPE_INT && idx == 0) {
+ v = val;
+ } else if (type == GST_TYPE_INT_RANGE) {
+ if (idx == 0 || idx == 1) {
+ *res = gst_value_get_int_range_min (val);
+ return true;
+ } else if (idx == 2) {
+ *res = gst_value_get_int_range_max (val);
+ return true;
+ }
+ } else if (type == GST_TYPE_LIST) {
+ GArray *array = g_value_peek_pointer (val);
+ if (idx < (int)(array->len + 1)) {
+ v = &g_array_index (array, GValue, SPA_MAX (idx - 1, 0));
+ }
+ }
+ if (v) {
+ *res = g_value_get_int (v);
+ return true;
+ }
+ return false;
+}
+
+static gboolean
+get_nth_fraction (const GValue *val, int idx, struct spa_fraction *f)
+{
+ const GValue *v = NULL;
+ GType type = G_VALUE_TYPE (val);
+
+ if (type == GST_TYPE_FRACTION && idx == 0) {
+ v = val;
+ } else if (type == GST_TYPE_FRACTION_RANGE) {
+ if (idx == 0 || idx == 1) {
+ v = gst_value_get_fraction_range_min (val);
+ } else if (idx == 2) {
+ v = gst_value_get_fraction_range_max (val);
+ }
+ } else if (type == GST_TYPE_LIST) {
+ GArray *array = g_value_peek_pointer (val);
+ if (idx < (int)(array->len + 1)) {
+ v = &g_array_index (array, GValue, SPA_MAX (idx-1, 0));
+ }
+ }
+ if (v) {
+ f->num = gst_value_get_fraction_numerator (v);
+ f->denom = gst_value_get_fraction_denominator (v);
+ return true;
+ }
+ return false;
+}
+
+static gboolean
+get_nth_rectangle (const GValue *width, const GValue *height, int idx, struct spa_rectangle *r)
+{
+ const GValue *w = NULL, *h = NULL;
+ GType wt = G_VALUE_TYPE (width);
+ GType ht = G_VALUE_TYPE (height);
+
+ if (wt == G_TYPE_INT && ht == G_TYPE_INT && idx == 0) {
+ w = width;
+ h = height;
+ } else if (wt == GST_TYPE_INT_RANGE && ht == GST_TYPE_INT_RANGE) {
+ if (idx == 0 || idx == 1) {
+ r->width = gst_value_get_int_range_min (width);
+ r->height = gst_value_get_int_range_min (height);
+ return true;
+ } else if (idx == 2) {
+ r->width = gst_value_get_int_range_max (width);
+ r->height = gst_value_get_int_range_max (height);
+ return true;
+ } else if (idx == 3) {
+ r->width = gst_value_get_int_range_step (width);
+ r->height = gst_value_get_int_range_step (height);
+ if (r->width > 1 || r->height > 1)
+ return true;
+ else
+ return false;
+ }
+ } else if (wt == GST_TYPE_LIST && ht == GST_TYPE_LIST) {
+ GArray *wa = g_value_peek_pointer (width);
+ GArray *ha = g_value_peek_pointer (height);
+ if (idx < (int)(wa->len + 1))
+ w = &g_array_index (wa, GValue, SPA_MAX (idx-1, 0));
+ if (idx < (int)(ha->len + 1))
+ h = &g_array_index (ha, GValue, SPA_MAX (idx-1, 0));
+ }
+ if (w && h) {
+ r->width = g_value_get_int (w);
+ r->height = g_value_get_int (h);
+ return true;
+ }
+ return false;
+}
+
+static uint32_t
+get_range_type (const GValue *val)
+{
+ GType type = G_VALUE_TYPE (val);
+
+ if (type == GST_TYPE_LIST)
+ return SPA_CHOICE_Enum;
+ if (type == GST_TYPE_DOUBLE_RANGE || type == GST_TYPE_FRACTION_RANGE)
+ return SPA_CHOICE_Range;
+ if (type == GST_TYPE_INT_RANGE) {
+ if (gst_value_get_int_range_step (val) == 1)
+ return SPA_CHOICE_Range;
+ else
+ return SPA_CHOICE_Step;
+ }
+ if (type == GST_TYPE_INT64_RANGE) {
+ if (gst_value_get_int64_range_step (val) == 1)
+ return SPA_CHOICE_Range;
+ else
+ return SPA_CHOICE_Step;
+ }
+ return SPA_CHOICE_None;
+}
+
+static uint32_t
+get_range_type2 (const GValue *v1, const GValue *v2)
+{
+ uint32_t r1, r2;
+
+ r1 = get_range_type (v1);
+ r2 = get_range_type (v2);
+
+ if (r1 == r2)
+ return r1;
+ if (r1 == SPA_CHOICE_Step || r2 == SPA_CHOICE_Step)
+ return SPA_CHOICE_Step;
+ if (r1 == SPA_CHOICE_Range || r2 == SPA_CHOICE_Range)
+ return SPA_CHOICE_Range;
+ return SPA_CHOICE_Range;
+}
+
+static gboolean
+handle_video_fields (ConvertData *d)
+{
+ const GValue *value, *value2;
+ int i;
+ struct spa_pod_choice *choice;
+ struct spa_pod_frame f;
+
+ value = gst_structure_get_value (d->cs, "format");
+ if (value) {
+ const char *v;
+ int idx;
+ for (i = 0; (v = get_nth_string (value, i)); i++) {
+ if (i == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_VIDEO_format, 0);
+ spa_pod_builder_push_choice(&d->b, &f, get_range_type (value), 0);
+ }
+
+ idx = gst_video_format_from_string (v);
+ if (idx != GST_VIDEO_FORMAT_UNKNOWN && idx < (int)SPA_N_ELEMENTS (video_format_map))
+ spa_pod_builder_id (&d->b, video_format_map[idx]);
+ }
+ if (i > 0) {
+ choice = spa_pod_builder_pop(&d->b, &f);
+ if (i == 1)
+ choice->body.type = SPA_CHOICE_None;
+ }
+ }
+ value = gst_structure_get_value (d->cs, "width");
+ value2 = gst_structure_get_value (d->cs, "height");
+ if (value && value2) {
+ struct spa_rectangle v;
+ for (i = 0; get_nth_rectangle (value, value2, i, &v); i++) {
+ if (i == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_VIDEO_size, 0);
+ spa_pod_builder_push_choice(&d->b, &f, get_range_type2 (value, value2), 0);
+ }
+
+ spa_pod_builder_rectangle (&d->b, v.width, v.height);
+ }
+ if (i > 0) {
+ choice = spa_pod_builder_pop(&d->b, &f);
+ if (i == 1)
+ choice->body.type = SPA_CHOICE_None;
+ }
+ }
+
+ value = gst_structure_get_value (d->cs, "framerate");
+ if (value) {
+ struct spa_fraction v;
+ for (i = 0; get_nth_fraction (value, i, &v); i++) {
+ if (i == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_VIDEO_framerate, 0);
+ spa_pod_builder_push_choice(&d->b, &f, get_range_type (value), 0);
+ }
+
+ spa_pod_builder_fraction (&d->b, v.num, v.denom);
+ }
+ if (i > 0) {
+ choice = spa_pod_builder_pop(&d->b, &f);
+ if (i == 1)
+ choice->body.type = SPA_CHOICE_None;
+ }
+ }
+
+ value = gst_structure_get_value (d->cs, "max-framerate");
+ if (value) {
+ struct spa_fraction v;
+ for (i = 0; get_nth_fraction (value, i, &v); i++) {
+ if (i == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_VIDEO_maxFramerate, 0);
+ spa_pod_builder_push_choice(&d->b, &f, get_range_type (value), 0);
+ }
+
+ spa_pod_builder_fraction (&d->b, v.num, v.denom);
+ }
+ if (i > 0) {
+ choice = spa_pod_builder_pop(&d->b, &f);
+ if (i == 1)
+ choice->body.type = SPA_CHOICE_None;
+ }
+ }
+ return TRUE;
+}
+
+static void
+set_default_channels (struct spa_pod_builder *b, uint32_t channels)
+{
+ uint32_t position[SPA_AUDIO_MAX_CHANNELS] = {0};
+ gboolean ok = TRUE;
+
+ switch (channels) {
+ case 8:
+ position[6] = SPA_AUDIO_CHANNEL_SL;
+ position[7] = SPA_AUDIO_CHANNEL_SR;
+ SPA_FALLTHROUGH
+ case 6:
+ position[5] = SPA_AUDIO_CHANNEL_LFE;
+ SPA_FALLTHROUGH
+ case 5:
+ position[4] = SPA_AUDIO_CHANNEL_FC;
+ SPA_FALLTHROUGH
+ case 4:
+ position[2] = SPA_AUDIO_CHANNEL_RL;
+ position[3] = SPA_AUDIO_CHANNEL_RR;
+ SPA_FALLTHROUGH
+ case 2:
+ position[0] = SPA_AUDIO_CHANNEL_FL;
+ position[1] = SPA_AUDIO_CHANNEL_FR;
+ break;
+ case 1:
+ position[0] = SPA_AUDIO_CHANNEL_MONO;
+ break;
+ default:
+ ok = FALSE;
+ break;
+ }
+
+ if (ok)
+ spa_pod_builder_add (b, SPA_FORMAT_AUDIO_position,
+ SPA_POD_Array(sizeof(uint32_t), SPA_TYPE_Id, channels, position), 0);
+}
+
+static gboolean
+handle_audio_fields (ConvertData *d)
+{
+ const GValue *value;
+ struct spa_pod_choice *choice;
+ struct spa_pod_frame f;
+ int i = 0;
+
+ value = gst_structure_get_value (d->cs, "format");
+ if (value) {
+ const char *v;
+ int idx;
+ for (i = 0; (v = get_nth_string (value, i)); i++) {
+ if (i == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_AUDIO_format, 0);
+ spa_pod_builder_push_choice(&d->b, &f, get_range_type (value), 0);
+ }
+
+ idx = gst_audio_format_from_string (v);
+ if (idx < (int)SPA_N_ELEMENTS (audio_format_map))
+ spa_pod_builder_id (&d->b, audio_format_map[idx]);
+ }
+ if (i > 0) {
+ choice = spa_pod_builder_pop(&d->b, &f);
+ if (i == 1)
+ choice->body.type = SPA_CHOICE_None;
+ }
+ } else if (strcmp(d->type->name, "audio/x-mulaw") == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_AUDIO_format, 0);
+ spa_pod_builder_id (&d->b, SPA_AUDIO_FORMAT_ULAW);
+ } else if (strcmp(d->type->name, "audio/x-alaw") == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_AUDIO_format, 0);
+ spa_pod_builder_id (&d->b, SPA_AUDIO_FORMAT_ALAW);
+ } else if (strcmp(d->type->name, "audio/mpeg") == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_AUDIO_format, 0);
+ spa_pod_builder_id (&d->b, SPA_AUDIO_FORMAT_ENCODED);
+ } else if (strcmp(d->type->name, "audio/x-flac") == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_AUDIO_format, 0);
+ spa_pod_builder_id (&d->b, SPA_AUDIO_FORMAT_ENCODED);
+ }
+
+#if 0
+ value = gst_structure_get_value (d->cs, "layout");
+ if (value) {
+ const char *v;
+ for (i = 0; (v = get_nth_string (value, i)); i++) {
+ enum spa_audio_layout layout;
+
+ if (spa_streq(v, "interleaved"))
+ layout = SPA_AUDIO_LAYOUT_INTERLEAVED;
+ else if (spa_streq(v, "non-interleaved"))
+ layout = SPA_AUDIO_LAYOUT_NON_INTERLEAVED;
+ else
+ break;
+
+ if (i == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_AUDIO_layout, 0);
+ spa_pod_builder_push_choice(&d->b, &f, get_range_type (value), 0);
+ }
+
+ spa_pod_builder_id (&d->b, layout);
+ }
+ if (i > 0) {
+ choice = spa_pod_builder_pop(&d->b, &f);
+ if (i == 1)
+ choice->body.type = SPA_CHOICE_None;
+ }
+ }
+#endif
+ value = gst_structure_get_value (d->cs, "rate");
+ if (value) {
+ int v;
+ for (i = 0; get_nth_int (value, i, &v); i++) {
+ if (i == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_AUDIO_rate, 0);
+ spa_pod_builder_push_choice(&d->b, &f, get_range_type (value), 0);
+ }
+
+ spa_pod_builder_int (&d->b, v);
+ }
+ if (i > 0) {
+ choice = spa_pod_builder_pop(&d->b, &f);
+ if (i == 1)
+ choice->body.type = SPA_CHOICE_None;
+ }
+ }
+ value = gst_structure_get_value (d->cs, "channels");
+ if (value) {
+ int v;
+ for (i = 0; get_nth_int (value, i, &v); i++) {
+ if (i == 0) {
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_AUDIO_channels, 0);
+ spa_pod_builder_push_choice(&d->b, &f, get_range_type (value), 0);
+ }
+
+ spa_pod_builder_int (&d->b, v);
+ }
+ if (i > 0) {
+ choice = spa_pod_builder_pop(&d->b, &f);
+ if (i == 1) {
+ choice->body.type = SPA_CHOICE_None;
+ set_default_channels (&d->b, v);
+ }
+ }
+ }
+ return TRUE;
+}
+
+static int
+builder_overflow (void *event_data, uint32_t size)
+{
+ struct spa_pod_builder *b = event_data;
+ b->size = SPA_ROUND_UP_N (size, 512);
+ b->data = realloc (b->data, b->size);
+ if (b->data == NULL)
+ return -errno;
+ return 0;
+}
+
+static const struct spa_pod_builder_callbacks builder_callbacks = {
+ SPA_VERSION_POD_BUILDER_CALLBACKS,
+ .overflow = builder_overflow
+};
+
+static struct spa_pod *
+convert_1 (ConvertData *d)
+{
+ struct spa_pod_frame f;
+
+ if (!(d->type = find_media_types (gst_structure_get_name (d->cs))))
+ return NULL;
+
+ spa_pod_builder_set_callbacks(&d->b, &builder_callbacks, &d->b);
+
+ spa_pod_builder_push_object (&d->b, &f, SPA_TYPE_OBJECT_Format, d->id);
+
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_mediaType, 0);
+ spa_pod_builder_id(&d->b, d->type->media_type);
+
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_mediaSubtype, 0);
+ spa_pod_builder_id(&d->b, d->type->media_subtype);
+
+ if (d->cf && gst_caps_features_contains (d->cf, GST_CAPS_FEATURE_MEMORY_DMABUF)) {
+ struct spa_pod_frame f2;
+
+ spa_pod_builder_prop (&d->b, SPA_FORMAT_VIDEO_modifier,
+ (SPA_POD_PROP_FLAG_MANDATORY | SPA_POD_PROP_FLAG_DONT_FIXATE));
+ spa_pod_builder_push_choice (&d->b, &f2, SPA_CHOICE_Enum, 0);
+ spa_pod_builder_long (&d->b, DRM_FORMAT_MOD_INVALID);
+ spa_pod_builder_long (&d->b, DRM_FORMAT_MOD_INVALID);
+ spa_pod_builder_long (&d->b, DRM_FORMAT_MOD_LINEAR);
+ spa_pod_builder_pop (&d->b, &f2);
+ }
+
+ if (d->type->media_type == SPA_MEDIA_TYPE_video)
+ handle_video_fields (d);
+ else if (d->type->media_type == SPA_MEDIA_TYPE_audio)
+ handle_audio_fields (d);
+
+ spa_pod_builder_pop (&d->b, &f);
+
+ return SPA_PTROFF (d->b.data, 0, struct spa_pod);
+}
+
+struct spa_pod *
+gst_caps_to_format (GstCaps *caps, guint index, uint32_t id)
+{
+ ConvertData d;
+ struct spa_pod *res;
+
+ g_return_val_if_fail (GST_IS_CAPS (caps), NULL);
+ g_return_val_if_fail (gst_caps_is_fixed (caps), NULL);
+
+ spa_zero (d);
+ d.cf = gst_caps_get_features (caps, index);
+ d.cs = gst_caps_get_structure (caps, index);
+ d.id = id;
+
+ res = convert_1 (&d);
+
+ return res;
+}
+
+static gboolean
+foreach_func (GstCapsFeatures *features,
+ GstStructure *structure,
+ ConvertData *d)
+{
+ struct spa_pod *fmt;
+ int idx;
+
+ spa_zero(d->b);
+ d->cf = features;
+ d->cs = structure;
+
+ if (d->cf && gst_caps_features_contains (d->cf, GST_CAPS_FEATURE_MEMORY_DMABUF))
+ idx = 0;
+ else
+ idx = -1;
+
+ if ((fmt = convert_1 (d)))
+ g_ptr_array_insert (d->array, idx, fmt);
+
+ return TRUE;
+}
+
+
+GPtrArray *
+gst_caps_to_format_all (GstCaps *caps, uint32_t id)
+{
+ ConvertData d;
+
+ spa_zero (d);
+ d.id = id;
+ d.array = g_ptr_array_new_full (gst_caps_get_size (caps), (GDestroyNotify)g_free);
+
+ gst_caps_foreach (caps, (GstCapsForeachFunc) foreach_func, &d);
+
+ return d.array;
+}
+
+typedef const char *(*id_to_string_func)(uint32_t id);
+
+static const char *video_id_to_string(uint32_t id)
+{
+ int idx;
+ if ((idx = find_index(video_format_map, SPA_N_ELEMENTS(video_format_map), id)) == -1)
+ return NULL;
+ return gst_video_format_to_string(idx);
+}
+
+static const char *audio_id_to_string(uint32_t id)
+{
+ int idx;
+ if ((idx = find_index(audio_format_map, SPA_N_ELEMENTS(audio_format_map), id)) == -1)
+ return NULL;
+ return gst_audio_format_to_string(idx);
+}
+
+static void
+handle_id_prop (const struct spa_pod_prop *prop, const char *key, id_to_string_func func, GstCaps *res)
+{
+ const char * str;
+ struct spa_pod *val;
+ uint32_t *id;
+ uint32_t i, n_items, choice;
+
+ val = spa_pod_get_values(&prop->value, &n_items, &choice);
+ if (val->type != SPA_TYPE_Id)
+ return;
+
+ id = SPA_POD_BODY(val);
+
+ switch (choice) {
+ case SPA_CHOICE_None:
+ if (!(str = func(id[0])))
+ return;
+ gst_caps_set_simple (res, key, G_TYPE_STRING, str, NULL);
+ break;
+ case SPA_CHOICE_Enum:
+ {
+ GValue list = { 0 }, v = { 0 };
+
+ g_value_init (&list, GST_TYPE_LIST);
+ for (i = 1; i < n_items; i++) {
+ if (!(str = func(id[i])))
+ continue;
+
+ g_value_init (&v, G_TYPE_STRING);
+ g_value_set_string (&v, str);
+ gst_value_list_append_and_take_value (&list, &v);
+ }
+ gst_caps_set_value (res, key, &list);
+ g_value_unset (&list);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static void
+handle_int_prop (const struct spa_pod_prop *prop, const char *key, GstCaps *res)
+{
+ struct spa_pod *val;
+ uint32_t *ints;
+ uint32_t i, n_items, choice;
+
+ val = spa_pod_get_values(&prop->value, &n_items, &choice);
+ if (val->type != SPA_TYPE_Int)
+ return;
+
+ ints = SPA_POD_BODY(val);
+
+ switch (choice) {
+ case SPA_CHOICE_None:
+ gst_caps_set_simple (res, key, G_TYPE_INT, ints[0], NULL);
+ break;
+ case SPA_CHOICE_Range:
+ case SPA_CHOICE_Step:
+ {
+ if (n_items < 3)
+ return;
+ gst_caps_set_simple (res, key, GST_TYPE_INT_RANGE, ints[1], ints[2], NULL);
+ break;
+ }
+ case SPA_CHOICE_Enum:
+ {
+ GValue list = { 0 }, v = { 0 };
+
+ g_value_init (&list, GST_TYPE_LIST);
+ for (i = 1; i < n_items; i++) {
+ g_value_init (&v, G_TYPE_INT);
+ g_value_set_int (&v, ints[i]);
+ gst_value_list_append_and_take_value (&list, &v);
+ }
+ gst_caps_set_value (res, key, &list);
+ g_value_unset (&list);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static void
+handle_rect_prop (const struct spa_pod_prop *prop, const char *width, const char *height, GstCaps *res)
+{
+ struct spa_pod *val;
+ struct spa_rectangle *rect;
+ uint32_t i, n_items, choice;
+
+ val = spa_pod_get_values(&prop->value, &n_items, &choice);
+ if (val->type != SPA_TYPE_Rectangle)
+ return;
+
+ rect = SPA_POD_BODY(val);
+
+ switch (choice) {
+ case SPA_CHOICE_None:
+ gst_caps_set_simple (res, width, G_TYPE_INT, rect[0].width,
+ height, G_TYPE_INT, rect[0].height, NULL);
+ break;
+ case SPA_CHOICE_Range:
+ case SPA_CHOICE_Step:
+ {
+ if (n_items < 3)
+ return;
+ gst_caps_set_simple (res, width, GST_TYPE_INT_RANGE, rect[1].width, rect[2].width,
+ height, GST_TYPE_INT_RANGE, rect[1].height, rect[2].height, NULL);
+ break;
+ }
+ case SPA_CHOICE_Enum:
+ {
+ GValue l1 = { 0 }, l2 = { 0 }, v1 = { 0 }, v2 = { 0 };
+
+ g_value_init (&l1, GST_TYPE_LIST);
+ g_value_init (&l2, GST_TYPE_LIST);
+ for (i = 1; i < n_items; i++) {
+ g_value_init (&v1, G_TYPE_INT);
+ g_value_set_int (&v1, rect[i].width);
+ gst_value_list_append_and_take_value (&l1, &v1);
+
+ g_value_init (&v2, G_TYPE_INT);
+ g_value_set_int (&v2, rect[i].height);
+ gst_value_list_append_and_take_value (&l2, &v2);
+ }
+ gst_caps_set_value (res, width, &l1);
+ gst_caps_set_value (res, height, &l2);
+ g_value_unset (&l1);
+ g_value_unset (&l2);
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static void
+handle_fraction_prop (const struct spa_pod_prop *prop, const char *key, GstCaps *res)
+{
+ struct spa_pod *val;
+ struct spa_fraction *fract;
+ uint32_t i, n_items, choice;
+
+ val = spa_pod_get_values(&prop->value, &n_items, &choice);
+ if (val->type != SPA_TYPE_Fraction)
+ return;
+
+ fract = SPA_POD_BODY(val);
+
+ switch (choice) {
+ case SPA_CHOICE_None:
+ gst_caps_set_simple (res, key, GST_TYPE_FRACTION, fract[0].num, fract[0].denom, NULL);
+ break;
+ case SPA_CHOICE_Range:
+ case SPA_CHOICE_Step:
+ {
+ if (n_items < 3)
+ return;
+ gst_caps_set_simple (res, key, GST_TYPE_FRACTION_RANGE, fract[1].num, fract[1].denom,
+ fract[2].num, fract[2].denom, NULL);
+ break;
+ }
+ case SPA_CHOICE_Enum:
+ {
+ GValue l1 = { 0 }, v1 = { 0 };
+
+ g_value_init (&l1, GST_TYPE_LIST);
+ for (i = 1; i < n_items; i++) {
+ g_value_init (&v1, GST_TYPE_FRACTION);
+ gst_value_set_fraction (&v1, fract[i].num, fract[i].denom);
+ gst_value_list_append_and_take_value (&l1, &v1);
+ }
+ gst_caps_set_value (res, key, &l1);
+ g_value_unset (&l1);
+ break;
+ }
+ default:
+ break;
+ }
+}
+GstCaps *
+gst_caps_from_format (const struct spa_pod *format)
+{
+ GstCaps *res = NULL;
+ uint32_t media_type, media_subtype;
+ const struct spa_pod_prop *prop = NULL;
+ const struct spa_pod_object *obj = (const struct spa_pod_object *) format;
+
+ if (spa_format_parse(format, &media_type, &media_subtype) < 0)
+ return res;
+
+ if (media_type == SPA_MEDIA_TYPE_video) {
+ if (media_subtype == SPA_MEDIA_SUBTYPE_raw) {
+ res = gst_caps_new_empty_simple ("video/x-raw");
+ if ((prop = spa_pod_object_find_prop (obj, prop, SPA_FORMAT_VIDEO_format))) {
+ handle_id_prop (prop, "format", video_id_to_string, res);
+ }
+ }
+ else if (media_subtype == SPA_MEDIA_SUBTYPE_mjpg) {
+ res = gst_caps_new_empty_simple ("image/jpeg");
+ }
+ else if (media_subtype == SPA_MEDIA_SUBTYPE_h264) {
+ res = gst_caps_new_simple ("video/x-h264",
+ "stream-format", G_TYPE_STRING, "byte-stream",
+ "alignment", G_TYPE_STRING, "au",
+ NULL);
+ } else {
+ return NULL;
+ }
+ if ((prop = spa_pod_object_find_prop (obj, prop, SPA_FORMAT_VIDEO_size))) {
+ handle_rect_prop (prop, "width", "height", res);
+ }
+ if ((prop = spa_pod_object_find_prop (obj, prop, SPA_FORMAT_VIDEO_framerate))) {
+ handle_fraction_prop (prop, "framerate", res);
+ }
+ if ((prop = spa_pod_object_find_prop (obj, prop, SPA_FORMAT_VIDEO_maxFramerate))) {
+ handle_fraction_prop (prop, "max-framerate", res);
+ }
+ } else if (media_type == SPA_MEDIA_TYPE_audio) {
+ if (media_subtype == SPA_MEDIA_SUBTYPE_raw) {
+ res = gst_caps_new_simple ("audio/x-raw",
+ "layout", G_TYPE_STRING, "interleaved",
+ NULL);
+ if ((prop = spa_pod_object_find_prop (obj, prop, SPA_FORMAT_AUDIO_format))) {
+ handle_id_prop (prop, "format", audio_id_to_string, res);
+ }
+ if ((prop = spa_pod_object_find_prop (obj, prop, SPA_FORMAT_AUDIO_rate))) {
+ handle_int_prop (prop, "rate", res);
+ }
+ if ((prop = spa_pod_object_find_prop (obj, prop, SPA_FORMAT_AUDIO_channels))) {
+ handle_int_prop (prop, "channels", res);
+ }
+ }
+ }
+ return res;
+}
diff --git a/src/gst/gstpipewireformat.h b/src/gst/gstpipewireformat.h
new file mode 100644
index 0000000..e077986
--- /dev/null
+++ b/src/gst/gstpipewireformat.h
@@ -0,0 +1,42 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _GST_PIPEWIRE_FORMAT_H_
+#define _GST_PIPEWIRE_FORMAT_H_
+
+#include <gst/gst.h>
+
+#include <spa/pod/pod.h>
+
+G_BEGIN_DECLS
+
+struct spa_pod * gst_caps_to_format (GstCaps *caps,
+ guint index, uint32_t id);
+GPtrArray * gst_caps_to_format_all (GstCaps *caps, uint32_t id);
+
+GstCaps * gst_caps_from_format (const struct spa_pod *format);
+
+G_END_DECLS
+
+#endif
diff --git a/src/gst/gstpipewirepool.c b/src/gst/gstpipewirepool.c
new file mode 100644
index 0000000..7ecb802
--- /dev/null
+++ b/src/gst/gstpipewirepool.c
@@ -0,0 +1,276 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <unistd.h>
+
+#include <gst/gst.h>
+
+#include <gst/allocators/gstfdmemory.h>
+#include <gst/allocators/gstdmabuf.h>
+
+#include <gst/video/gstvideometa.h>
+
+#include "gstpipewirepool.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_pipewire_pool_debug_category);
+#define GST_CAT_DEFAULT gst_pipewire_pool_debug_category
+
+G_DEFINE_TYPE (GstPipeWirePool, gst_pipewire_pool, GST_TYPE_BUFFER_POOL);
+
+enum
+{
+ ACTIVATED,
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+
+static guint pool_signals[LAST_SIGNAL] = { 0 };
+
+static GQuark pool_data_quark;
+
+GstPipeWirePool *
+gst_pipewire_pool_new (void)
+{
+ GstPipeWirePool *pool;
+
+ pool = g_object_new (GST_TYPE_PIPEWIRE_POOL, NULL);
+
+ return pool;
+}
+
+static void
+pool_data_destroy (gpointer user_data)
+{
+ GstPipeWirePoolData *data = user_data;
+
+ gst_object_unref (data->pool);
+ g_slice_free (GstPipeWirePoolData, data);
+}
+
+void gst_pipewire_pool_wrap_buffer (GstPipeWirePool *pool, struct pw_buffer *b)
+{
+ GstBuffer *buf;
+ uint32_t i;
+ GstPipeWirePoolData *data;
+
+ GST_LOG_OBJECT (pool, "wrap buffer");
+
+ data = g_slice_new (GstPipeWirePoolData);
+
+ buf = gst_buffer_new ();
+
+ for (i = 0; i < b->buffer->n_datas; i++) {
+ struct spa_data *d = &b->buffer->datas[i];
+ GstMemory *gmem = NULL;
+
+ GST_LOG_OBJECT (pool, "wrap buffer %d %d", d->mapoffset, d->maxsize);
+ if (d->type == SPA_DATA_MemFd) {
+ GST_LOG_OBJECT (pool, "memory type MemFd");
+ gmem = gst_fd_allocator_alloc (pool->fd_allocator, dup(d->fd),
+ d->mapoffset + d->maxsize, GST_FD_MEMORY_FLAG_NONE);
+ gst_memory_resize (gmem, d->mapoffset, d->maxsize);
+ }
+ else if(d->type == SPA_DATA_DmaBuf) {
+ GST_LOG_OBJECT (pool, "memory type DmaBuf");
+ gmem = gst_fd_allocator_alloc (pool->dmabuf_allocator, dup(d->fd),
+ d->mapoffset + d->maxsize, GST_FD_MEMORY_FLAG_NONE);
+ gst_memory_resize (gmem, d->mapoffset, d->maxsize);
+ }
+ else if (d->type == SPA_DATA_MemPtr) {
+ GST_LOG_OBJECT (pool, "memory type MemPtr");
+ gmem = gst_memory_new_wrapped (0, d->data, d->maxsize, 0,
+ d->maxsize, NULL, NULL);
+ }
+ if (gmem)
+ gst_buffer_insert_memory (buf, i, gmem);
+ }
+
+ data->pool = gst_object_ref (pool);
+ data->owner = NULL;
+ data->header = spa_buffer_find_meta_data (b->buffer, SPA_META_Header, sizeof(*data->header));
+ data->flags = GST_BUFFER_FLAGS (buf);
+ data->b = b;
+ data->buf = buf;
+ data->crop = spa_buffer_find_meta_data (b->buffer, SPA_META_VideoCrop, sizeof(*data->crop));
+ if (data->crop)
+ gst_buffer_add_video_crop_meta(buf);
+ data->videotransform =
+ spa_buffer_find_meta_data (b->buffer, SPA_META_VideoTransform, sizeof(*data->videotransform));
+
+ gst_mini_object_set_qdata (GST_MINI_OBJECT_CAST (buf),
+ pool_data_quark,
+ data,
+ pool_data_destroy);
+ b->user_data = data;
+}
+
+GstPipeWirePoolData *gst_pipewire_pool_get_data (GstBuffer *buffer)
+{
+ return gst_mini_object_get_qdata (GST_MINI_OBJECT_CAST (buffer), pool_data_quark);
+}
+
+#if 0
+gboolean
+gst_pipewire_pool_add_buffer (GstPipeWirePool *pool, GstBuffer *buffer)
+{
+ g_return_val_if_fail (GST_IS_PIPEWIRE_POOL (pool), FALSE);
+ g_return_val_if_fail (GST_IS_BUFFER (buffer), FALSE);
+
+ GST_OBJECT_LOCK (pool);
+ g_queue_push_tail (&pool->available, buffer);
+ g_cond_signal (&pool->cond);
+ GST_OBJECT_UNLOCK (pool);
+
+ return TRUE;
+}
+
+gboolean
+gst_pipewire_pool_remove_buffer (GstPipeWirePool *pool, GstBuffer *buffer)
+{
+ gboolean res;
+
+ g_return_val_if_fail (GST_IS_PIPEWIRE_POOL (pool), FALSE);
+ g_return_val_if_fail (GST_IS_BUFFER (buffer), FALSE);
+
+ GST_OBJECT_LOCK (pool);
+ res = g_queue_remove (&pool->available, buffer);
+ GST_OBJECT_UNLOCK (pool);
+
+ return res;
+}
+#endif
+
+static GstFlowReturn
+acquire_buffer (GstBufferPool * pool, GstBuffer ** buffer,
+ GstBufferPoolAcquireParams * params)
+{
+ GstPipeWirePool *p = GST_PIPEWIRE_POOL (pool);
+ GstPipeWirePoolData *data;
+ struct pw_buffer *b;
+
+ GST_OBJECT_LOCK (pool);
+ while (TRUE) {
+ if (G_UNLIKELY (GST_BUFFER_POOL_IS_FLUSHING (pool)))
+ goto flushing;
+
+ if ((b = pw_stream_dequeue_buffer(p->stream)))
+ break;
+
+ if (params && (params->flags & GST_BUFFER_POOL_ACQUIRE_FLAG_DONTWAIT))
+ goto no_more_buffers;
+
+ GST_WARNING ("queue empty");
+ g_cond_wait (&p->cond, GST_OBJECT_GET_LOCK (pool));
+ }
+
+ data = b->user_data;
+ *buffer = data->buf;
+
+ GST_OBJECT_UNLOCK (pool);
+ GST_DEBUG ("acquire buffer %p", *buffer);
+
+ return GST_FLOW_OK;
+
+flushing:
+ {
+ GST_OBJECT_UNLOCK (pool);
+ return GST_FLOW_FLUSHING;
+ }
+no_more_buffers:
+ {
+ GST_LOG_OBJECT (pool, "no more buffers");
+ GST_OBJECT_UNLOCK (pool);
+ return GST_FLOW_EOS;
+ }
+}
+
+static void
+flush_start (GstBufferPool * pool)
+{
+ GstPipeWirePool *p = GST_PIPEWIRE_POOL (pool);
+
+ GST_DEBUG ("flush start");
+ GST_OBJECT_LOCK (pool);
+ g_cond_signal (&p->cond);
+ GST_OBJECT_UNLOCK (pool);
+}
+
+static void
+release_buffer (GstBufferPool * pool, GstBuffer *buffer)
+{
+ GST_DEBUG ("release buffer %p", buffer);
+}
+
+static gboolean
+do_start (GstBufferPool * pool)
+{
+ g_signal_emit (pool, pool_signals[ACTIVATED], 0, NULL);
+ return TRUE;
+}
+
+static void
+gst_pipewire_pool_finalize (GObject * object)
+{
+ GstPipeWirePool *pool = GST_PIPEWIRE_POOL (object);
+
+ GST_DEBUG_OBJECT (pool, "finalize");
+ g_object_unref (pool->fd_allocator);
+ g_object_unref (pool->dmabuf_allocator);
+
+ G_OBJECT_CLASS (gst_pipewire_pool_parent_class)->finalize (object);
+}
+
+static void
+gst_pipewire_pool_class_init (GstPipeWirePoolClass * klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ GstBufferPoolClass *bufferpool_class = GST_BUFFER_POOL_CLASS (klass);
+
+ gobject_class->finalize = gst_pipewire_pool_finalize;
+
+ bufferpool_class->start = do_start;
+ bufferpool_class->flush_start = flush_start;
+ bufferpool_class->acquire_buffer = acquire_buffer;
+ bufferpool_class->release_buffer = release_buffer;
+
+ pool_signals[ACTIVATED] =
+ g_signal_new ("activated", G_TYPE_FROM_CLASS (klass), G_SIGNAL_RUN_LAST,
+ 0, NULL, NULL, g_cclosure_marshal_generic, G_TYPE_NONE, 0, G_TYPE_NONE);
+
+ GST_DEBUG_CATEGORY_INIT (gst_pipewire_pool_debug_category, "pipewirepool", 0,
+ "debug category for pipewirepool object");
+
+ pool_data_quark = g_quark_from_static_string ("GstPipeWirePoolDataQuark");
+}
+
+static void
+gst_pipewire_pool_init (GstPipeWirePool * pool)
+{
+ pool->fd_allocator = gst_fd_allocator_new ();
+ pool->dmabuf_allocator = gst_dmabuf_allocator_new ();
+ g_cond_init (&pool->cond);
+}
diff --git a/src/gst/gstpipewirepool.h b/src/gst/gstpipewirepool.h
new file mode 100644
index 0000000..acf8106
--- /dev/null
+++ b/src/gst/gstpipewirepool.h
@@ -0,0 +1,92 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __GST_PIPEWIRE_POOL_H__
+#define __GST_PIPEWIRE_POOL_H__
+
+#include <gst/gst.h>
+
+#include <pipewire/pipewire.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_PIPEWIRE_POOL \
+ (gst_pipewire_pool_get_type())
+#define GST_PIPEWIRE_POOL(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PIPEWIRE_POOL,GstPipeWirePool))
+#define GST_PIPEWIRE_POOL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PIPEWIRE_POOL,GstPipeWirePoolClass))
+#define GST_IS_PIPEWIRE_POOL(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PIPEWIRE_POOL))
+#define GST_IS_PIPEWIRE_POOL_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PIPEWIRE_POOL))
+#define GST_PIPEWIRE_POOL_GET_CLASS(klass) \
+ (G_TYPE_INSTANCE_GET_CLASS ((klass), GST_TYPE_PIPEWIRE_POOL, GstPipeWirePoolClass))
+
+typedef struct _GstPipeWirePoolData GstPipeWirePoolData;
+typedef struct _GstPipeWirePool GstPipeWirePool;
+typedef struct _GstPipeWirePoolClass GstPipeWirePoolClass;
+
+struct _GstPipeWirePoolData {
+ GstPipeWirePool *pool;
+ void *owner;
+ struct spa_meta_header *header;
+ guint flags;
+ struct pw_buffer *b;
+ GstBuffer *buf;
+ gboolean queued;
+ struct spa_meta_region *crop;
+ struct spa_meta_videotransform *videotransform;
+};
+
+struct _GstPipeWirePool {
+ GstBufferPool parent;
+
+ struct pw_stream *stream;
+ struct pw_type *t;
+
+ GstAllocator *fd_allocator;
+ GstAllocator *dmabuf_allocator;
+
+ GCond cond;
+};
+
+struct _GstPipeWirePoolClass {
+ GstBufferPoolClass parent_class;
+};
+
+GType gst_pipewire_pool_get_type (void);
+
+GstPipeWirePool * gst_pipewire_pool_new (void);
+
+void gst_pipewire_pool_wrap_buffer (GstPipeWirePool *pool, struct pw_buffer *buffer);
+
+GstPipeWirePoolData *gst_pipewire_pool_get_data (GstBuffer *buffer);
+
+//gboolean gst_pipewire_pool_add_buffer (GstPipeWirePool *pool, GstBuffer *buffer);
+//gboolean gst_pipewire_pool_remove_buffer (GstPipeWirePool *pool, GstBuffer *buffer);
+
+G_END_DECLS
+
+#endif /* __GST_PIPEWIRE_POOL_H__ */
diff --git a/src/gst/gstpipewiresink.c b/src/gst/gstpipewiresink.c
new file mode 100644
index 0000000..91bdfcc
--- /dev/null
+++ b/src/gst/gstpipewiresink.c
@@ -0,0 +1,924 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * SECTION:element-pipewiresink
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch -v videotestsrc ! pipewiresink
+ * ]| Sends a test video source to PipeWire
+ * </refsect2>
+ */
+
+#define PW_ENABLE_DEPRECATED
+
+#include "config.h"
+#include "gstpipewiresink.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/socket.h>
+
+#include <spa/pod/builder.h>
+#include <spa/utils/result.h>
+
+#include <gst/video/video.h>
+
+#include "gstpipewireformat.h"
+
+GST_DEBUG_CATEGORY_STATIC (pipewire_sink_debug);
+#define GST_CAT_DEFAULT pipewire_sink_debug
+
+#define DEFAULT_PROP_MODE GST_PIPEWIRE_SINK_MODE_DEFAULT
+
+#define MIN_BUFFERS 8u
+
+enum
+{
+ PROP_0,
+ PROP_PATH,
+ PROP_TARGET_OBJECT,
+ PROP_CLIENT_NAME,
+ PROP_CLIENT_PROPERTIES,
+ PROP_STREAM_PROPERTIES,
+ PROP_MODE,
+ PROP_FD
+};
+
+GType
+gst_pipewire_sink_mode_get_type (void)
+{
+ static gsize mode_type = 0;
+ static const GEnumValue mode[] = {
+ {GST_PIPEWIRE_SINK_MODE_DEFAULT, "GST_PIPEWIRE_SINK_MODE_DEFAULT", "default"},
+ {GST_PIPEWIRE_SINK_MODE_RENDER, "GST_PIPEWIRE_SINK_MODE_RENDER", "render"},
+ {GST_PIPEWIRE_SINK_MODE_PROVIDE, "GST_PIPEWIRE_SINK_MODE_PROVIDE", "provide"},
+ {0, NULL, NULL},
+ };
+
+ if (g_once_init_enter (&mode_type)) {
+ GType tmp =
+ g_enum_register_static ("GstPipeWireSinkMode", mode);
+ g_once_init_leave (&mode_type, tmp);
+ }
+
+ return (GType) mode_type;
+}
+
+
+static GstStaticPadTemplate gst_pipewire_sink_template =
+GST_STATIC_PAD_TEMPLATE ("sink",
+ GST_PAD_SINK,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY
+ );
+
+#define gst_pipewire_sink_parent_class parent_class
+G_DEFINE_TYPE (GstPipeWireSink, gst_pipewire_sink, GST_TYPE_BASE_SINK);
+
+static void gst_pipewire_sink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec);
+static void gst_pipewire_sink_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec);
+
+static GstStateChangeReturn
+gst_pipewire_sink_change_state (GstElement * element, GstStateChange transition);
+
+static gboolean gst_pipewire_sink_setcaps (GstBaseSink * bsink, GstCaps * caps);
+static GstCaps *gst_pipewire_sink_sink_fixate (GstBaseSink * bsink,
+ GstCaps * caps);
+
+static GstFlowReturn gst_pipewire_sink_render (GstBaseSink * psink,
+ GstBuffer * buffer);
+static gboolean gst_pipewire_sink_start (GstBaseSink * basesink);
+static gboolean gst_pipewire_sink_stop (GstBaseSink * basesink);
+
+static void
+gst_pipewire_sink_finalize (GObject * object)
+{
+ GstPipeWireSink *pwsink = GST_PIPEWIRE_SINK (object);
+
+ g_object_unref (pwsink->pool);
+
+ if (pwsink->stream_properties)
+ gst_structure_free (pwsink->stream_properties);
+ if (pwsink->client_properties)
+ gst_structure_free (pwsink->client_properties);
+ g_free (pwsink->path);
+ g_free (pwsink->target_object);
+ g_free (pwsink->client_name);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static gboolean
+gst_pipewire_sink_propose_allocation (GstBaseSink * bsink, GstQuery * query)
+{
+ GstPipeWireSink *pwsink = GST_PIPEWIRE_SINK (bsink);
+
+ gst_query_add_allocation_pool (query, GST_BUFFER_POOL_CAST (pwsink->pool), 0, 0, 0);
+ return TRUE;
+}
+
+static void
+gst_pipewire_sink_class_init (GstPipeWireSinkClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSinkClass *gstbasesink_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesink_class = (GstBaseSinkClass *) klass;
+
+ gobject_class->finalize = gst_pipewire_sink_finalize;
+ gobject_class->set_property = gst_pipewire_sink_set_property;
+ gobject_class->get_property = gst_pipewire_sink_get_property;
+
+ g_object_class_install_property (gobject_class,
+ PROP_PATH,
+ g_param_spec_string ("path",
+ "Path",
+ "The sink path to connect to (NULL = default)",
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS |
+ G_PARAM_DEPRECATED));
+
+ g_object_class_install_property (gobject_class,
+ PROP_TARGET_OBJECT,
+ g_param_spec_string ("target-object",
+ "Target object",
+ "The sink name/serial to connect to (NULL = default)",
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_CLIENT_NAME,
+ g_param_spec_string ("client-name",
+ "Client Name",
+ "The client name to use (NULL = default)",
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_CLIENT_PROPERTIES,
+ g_param_spec_boxed ("client-properties",
+ "Client properties",
+ "List of PipeWire client properties",
+ GST_TYPE_STRUCTURE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_STREAM_PROPERTIES,
+ g_param_spec_boxed ("stream-properties",
+ "Stream properties",
+ "List of PipeWire stream properties",
+ GST_TYPE_STRUCTURE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_MODE,
+ g_param_spec_enum ("mode",
+ "Mode",
+ "The mode to operate in",
+ GST_TYPE_PIPEWIRE_SINK_MODE,
+ DEFAULT_PROP_MODE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_FD,
+ g_param_spec_int ("fd",
+ "Fd",
+ "The fd to connect with",
+ -1, G_MAXINT, -1,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ gstelement_class->change_state = gst_pipewire_sink_change_state;
+
+ gst_element_class_set_static_metadata (gstelement_class,
+ "PipeWire sink", "Sink/Video",
+ "Send video to PipeWire", "Wim Taymans <wim.taymans@gmail.com>");
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&gst_pipewire_sink_template));
+
+ gstbasesink_class->set_caps = gst_pipewire_sink_setcaps;
+ gstbasesink_class->fixate = gst_pipewire_sink_sink_fixate;
+ gstbasesink_class->propose_allocation = gst_pipewire_sink_propose_allocation;
+ gstbasesink_class->start = gst_pipewire_sink_start;
+ gstbasesink_class->stop = gst_pipewire_sink_stop;
+ gstbasesink_class->render = gst_pipewire_sink_render;
+
+ GST_DEBUG_CATEGORY_INIT (pipewire_sink_debug, "pipewiresink", 0,
+ "PipeWire Sink");
+}
+
+static void
+pool_activated (GstPipeWirePool *pool, GstPipeWireSink *sink)
+{
+ GstStructure *config;
+ GstCaps *caps;
+ guint size;
+ guint min_buffers;
+ guint max_buffers;
+ const struct spa_pod *port_params[3];
+ struct spa_pod_builder b = { NULL };
+ uint8_t buffer[1024];
+ struct spa_pod_frame f;
+
+ config = gst_buffer_pool_get_config (GST_BUFFER_POOL (pool));
+ gst_buffer_pool_config_get_params (config, &caps, &size, &min_buffers, &max_buffers);
+
+ spa_pod_builder_init (&b, buffer, sizeof (buffer));
+ spa_pod_builder_push_object (&b, &f, SPA_TYPE_OBJECT_ParamBuffers, SPA_PARAM_Buffers);
+ if (size == 0)
+ spa_pod_builder_add (&b,
+ SPA_PARAM_BUFFERS_size, SPA_POD_CHOICE_RANGE_Int(0, 0, INT32_MAX),
+ 0);
+ else
+ spa_pod_builder_add (&b,
+ SPA_PARAM_BUFFERS_size, SPA_POD_CHOICE_RANGE_Int(size, size, INT32_MAX),
+ 0);
+
+ spa_pod_builder_add (&b,
+ SPA_PARAM_BUFFERS_stride, SPA_POD_CHOICE_RANGE_Int(0, 0, INT32_MAX),
+ SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(
+ SPA_MAX(MIN_BUFFERS, min_buffers),
+ SPA_MAX(MIN_BUFFERS, min_buffers),
+ max_buffers ? max_buffers : INT32_MAX),
+ SPA_PARAM_BUFFERS_dataType, SPA_POD_CHOICE_FLAGS_Int(
+ (1<<SPA_DATA_MemFd) |
+ (1<<SPA_DATA_MemPtr)),
+ 0);
+ port_params[0] = spa_pod_builder_pop (&b, &f);
+
+ port_params[1] = spa_pod_builder_add_object (&b,
+ SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
+ SPA_PARAM_META_type, SPA_POD_Int(SPA_META_Header),
+ SPA_PARAM_META_size, SPA_POD_Int(sizeof (struct spa_meta_header)));
+
+ port_params[2] = spa_pod_builder_add_object (&b,
+ SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
+ SPA_PARAM_META_type, SPA_POD_Int(SPA_META_VideoCrop),
+ SPA_PARAM_META_size, SPA_POD_Int(sizeof (struct spa_meta_region)));
+
+ pw_thread_loop_lock (sink->core->loop);
+ pw_stream_update_params (sink->stream, port_params, 3);
+ pw_thread_loop_unlock (sink->core->loop);
+}
+
+static void
+gst_pipewire_sink_init (GstPipeWireSink * sink)
+{
+ sink->pool = gst_pipewire_pool_new ();
+ sink->client_name = g_strdup(pw_get_client_name());
+ sink->mode = DEFAULT_PROP_MODE;
+ sink->fd = -1;
+
+ g_signal_connect (sink->pool, "activated", G_CALLBACK (pool_activated), sink);
+}
+
+static GstCaps *
+gst_pipewire_sink_sink_fixate (GstBaseSink * bsink, GstCaps * caps)
+{
+ GstStructure *structure;
+
+ caps = gst_caps_make_writable (caps);
+
+ structure = gst_caps_get_structure (caps, 0);
+
+ if (gst_structure_has_name (structure, "video/x-raw")) {
+ gst_structure_fixate_field_nearest_int (structure, "width", 320);
+ gst_structure_fixate_field_nearest_int (structure, "height", 240);
+ gst_structure_fixate_field_nearest_fraction (structure, "framerate", 30, 1);
+
+ if (gst_structure_has_field (structure, "pixel-aspect-ratio"))
+ gst_structure_fixate_field_nearest_fraction (structure,
+ "pixel-aspect-ratio", 1, 1);
+ else
+ gst_structure_set (structure, "pixel-aspect-ratio", GST_TYPE_FRACTION, 1, 1,
+ NULL);
+
+ if (gst_structure_has_field (structure, "colorimetry"))
+ gst_structure_fixate_field_string (structure, "colorimetry", "bt601");
+ if (gst_structure_has_field (structure, "chroma-site"))
+ gst_structure_fixate_field_string (structure, "chroma-site", "mpeg2");
+
+ if (gst_structure_has_field (structure, "interlace-mode"))
+ gst_structure_fixate_field_string (structure, "interlace-mode",
+ "progressive");
+ else
+ gst_structure_set (structure, "interlace-mode", G_TYPE_STRING,
+ "progressive", NULL);
+ } else if (gst_structure_has_name (structure, "audio/x-raw")) {
+ gst_structure_fixate_field_string (structure, "format", "S16LE");
+ gst_structure_fixate_field_nearest_int (structure, "channels", 2);
+ gst_structure_fixate_field_nearest_int (structure, "rate", 44100);
+ } else if (gst_structure_has_name (structure, "audio/mpeg")) {
+ gst_structure_fixate_field_string (structure, "format", "Encoded");
+ gst_structure_fixate_field_nearest_int (structure, "channels", 2);
+ gst_structure_fixate_field_nearest_int (structure, "rate", 44100);
+ } else if (gst_structure_has_name (structure, "audio/x-flac")) {
+ gst_structure_fixate_field_string (structure, "format", "Encoded");
+ gst_structure_fixate_field_nearest_int (structure, "channels", 2);
+ gst_structure_fixate_field_nearest_int (structure, "rate", 44100);
+ }
+
+ caps = GST_BASE_SINK_CLASS (parent_class)->fixate (bsink, caps);
+
+ return caps;
+}
+
+static void
+gst_pipewire_sink_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstPipeWireSink *pwsink = GST_PIPEWIRE_SINK (object);
+
+ switch (prop_id) {
+ case PROP_PATH:
+ g_free (pwsink->path);
+ pwsink->path = g_value_dup_string (value);
+ break;
+
+ case PROP_TARGET_OBJECT:
+ g_free (pwsink->target_object);
+ pwsink->target_object = g_value_dup_string (value);
+ break;
+
+ case PROP_CLIENT_NAME:
+ g_free (pwsink->client_name);
+ pwsink->client_name = g_value_dup_string (value);
+ break;
+
+ case PROP_CLIENT_PROPERTIES:
+ if (pwsink->client_properties)
+ gst_structure_free (pwsink->client_properties);
+ pwsink->client_properties =
+ gst_structure_copy (gst_value_get_structure (value));
+ break;
+
+ case PROP_STREAM_PROPERTIES:
+ if (pwsink->stream_properties)
+ gst_structure_free (pwsink->stream_properties);
+ pwsink->stream_properties =
+ gst_structure_copy (gst_value_get_structure (value));
+ break;
+
+ case PROP_MODE:
+ pwsink->mode = g_value_get_enum (value);
+ break;
+
+ case PROP_FD:
+ pwsink->fd = g_value_get_int (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_pipewire_sink_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstPipeWireSink *pwsink = GST_PIPEWIRE_SINK (object);
+
+ switch (prop_id) {
+ case PROP_PATH:
+ g_value_set_string (value, pwsink->path);
+ break;
+
+ case PROP_TARGET_OBJECT:
+ g_value_set_string (value, pwsink->target_object);
+ break;
+
+ case PROP_CLIENT_NAME:
+ g_value_set_string (value, pwsink->client_name);
+ break;
+
+ case PROP_CLIENT_PROPERTIES:
+ gst_value_set_structure (value, pwsink->client_properties);
+ break;
+
+ case PROP_STREAM_PROPERTIES:
+ gst_value_set_structure (value, pwsink->stream_properties);
+ break;
+
+ case PROP_MODE:
+ g_value_set_enum (value, pwsink->mode);
+ break;
+
+ case PROP_FD:
+ g_value_set_int (value, pwsink->fd);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+on_add_buffer (void *_data, struct pw_buffer *b)
+{
+ GstPipeWireSink *pwsink = _data;
+ gst_pipewire_pool_wrap_buffer (pwsink->pool, b);
+}
+
+static void
+on_remove_buffer (void *_data, struct pw_buffer *b)
+{
+ GstPipeWireSink *pwsink = _data;
+ GstPipeWirePoolData *data = b->user_data;
+
+ GST_LOG_OBJECT (pwsink, "remove buffer");
+
+ gst_buffer_unref (data->buf);
+}
+
+static void
+do_send_buffer (GstPipeWireSink *pwsink, GstBuffer *buffer)
+{
+ GstPipeWirePoolData *data;
+ gboolean res;
+ guint i;
+ struct spa_buffer *b;
+
+ data = gst_pipewire_pool_get_data(buffer);
+
+ b = data->b->buffer;
+
+ if (data->header) {
+ data->header->seq = GST_BUFFER_OFFSET (buffer);
+ data->header->pts = GST_BUFFER_PTS (buffer);
+ data->header->dts_offset = GST_BUFFER_DTS (buffer);
+ }
+ if (data->crop) {
+ GstVideoCropMeta *meta = gst_buffer_get_video_crop_meta (buffer);
+ if (meta) {
+ data->crop->region.position.x = meta->x;
+ data->crop->region.position.y = meta->y;
+ data->crop->region.size.width = meta->width;
+ data->crop->region.size.height = meta->width;
+ }
+ }
+ for (i = 0; i < b->n_datas; i++) {
+ struct spa_data *d = &b->datas[i];
+ GstMemory *mem = gst_buffer_peek_memory (buffer, i);
+ d->chunk->offset = mem->offset;
+ d->chunk->size = mem->size;
+ d->chunk->stride = 0;
+ }
+
+ if ((res = pw_stream_queue_buffer (pwsink->stream, data->b)) < 0) {
+ g_warning ("can't send buffer %s", spa_strerror(res));
+ }
+}
+
+
+static void
+on_process (void *data)
+{
+ GstPipeWireSink *pwsink = data;
+ GST_DEBUG ("signal");
+ g_cond_signal (&pwsink->pool->cond);
+}
+
+static void
+on_state_changed (void *data, enum pw_stream_state old, enum pw_stream_state state, const char *error)
+{
+ GstPipeWireSink *pwsink = data;
+
+ GST_DEBUG ("got stream state %d", state);
+
+ switch (state) {
+ case PW_STREAM_STATE_UNCONNECTED:
+ case PW_STREAM_STATE_CONNECTING:
+ case PW_STREAM_STATE_PAUSED:
+ break;
+ case PW_STREAM_STATE_STREAMING:
+ if (pw_stream_is_driving (pwsink->stream))
+ pw_stream_trigger_process (pwsink->stream);
+ break;
+ case PW_STREAM_STATE_ERROR:
+ GST_ELEMENT_ERROR (pwsink, RESOURCE, FAILED,
+ ("stream error: %s", error), (NULL));
+ break;
+ }
+ pw_thread_loop_signal (pwsink->core->loop, FALSE);
+}
+
+static void
+on_param_changed (void *data, uint32_t id, const struct spa_pod *param)
+{
+ GstPipeWireSink *pwsink = data;
+
+ if (param == NULL || id != SPA_PARAM_Format)
+ return;
+
+ if (gst_buffer_pool_is_active (GST_BUFFER_POOL_CAST (pwsink->pool)))
+ pool_activated (pwsink->pool, pwsink);
+}
+
+static gboolean
+gst_pipewire_sink_setcaps (GstBaseSink * bsink, GstCaps * caps)
+{
+ GstPipeWireSink *pwsink;
+ GPtrArray *possible;
+ enum pw_stream_state state;
+ const char *error = NULL;
+ gboolean res = FALSE;
+ GstStructure *config;
+ guint size;
+ guint min_buffers;
+ guint max_buffers;
+ struct timespec abstime;
+
+ pwsink = GST_PIPEWIRE_SINK (bsink);
+
+ possible = gst_caps_to_format_all (caps, SPA_PARAM_EnumFormat);
+
+ pw_thread_loop_lock (pwsink->core->loop);
+ state = pw_stream_get_state (pwsink->stream, &error);
+
+ if (state == PW_STREAM_STATE_ERROR)
+ goto start_error;
+
+ if (state == PW_STREAM_STATE_UNCONNECTED) {
+ enum pw_stream_flags flags = 0;
+ uint32_t target_id;
+
+ if (pwsink->mode != GST_PIPEWIRE_SINK_MODE_PROVIDE)
+ flags |= PW_STREAM_FLAG_AUTOCONNECT;
+ else
+ flags |= PW_STREAM_FLAG_DRIVER;
+
+ target_id = pwsink->path ? (uint32_t)atoi(pwsink->path) : PW_ID_ANY;
+
+ if (pwsink->target_object) {
+ struct spa_dict_item items[2] = {
+ SPA_DICT_ITEM_INIT(PW_KEY_TARGET_OBJECT, pwsink->target_object),
+ /* XXX deprecated but the portal and some example apps only
+ * provide the object id */
+ SPA_DICT_ITEM_INIT(PW_KEY_NODE_TARGET, NULL),
+ };
+ struct spa_dict dict = SPA_DICT_INIT_ARRAY(items);
+ uint64_t serial;
+
+ /* If target.object is a name, set it also to node.target */
+ if (spa_atou64(pwsink->target_object, &serial, 0)) {
+ dict.n_items = 1;
+ } else {
+ target_id = PW_ID_ANY;
+ items[1].value = pwsink->target_object;
+ }
+
+ pw_stream_update_properties (pwsink->stream, &dict);
+ }
+
+ pw_stream_connect (pwsink->stream,
+ PW_DIRECTION_OUTPUT,
+ target_id,
+ flags,
+ (const struct spa_pod **) possible->pdata,
+ possible->len);
+
+ pw_thread_loop_get_time (pwsink->core->loop, &abstime,
+ GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
+
+ while (TRUE) {
+ state = pw_stream_get_state (pwsink->stream, &error);
+
+ if (state >= PW_STREAM_STATE_PAUSED)
+ break;
+
+ if (state == PW_STREAM_STATE_ERROR)
+ goto start_error;
+
+ if (pw_thread_loop_timed_wait_full (pwsink->core->loop, &abstime) < 0) {
+ error = "timeout";
+ goto start_error;
+ }
+ }
+ }
+ res = TRUE;
+
+ config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pwsink->pool));
+ gst_buffer_pool_config_get_params (config, NULL, &size, &min_buffers, &max_buffers);
+ gst_buffer_pool_config_set_params (config, caps, size, min_buffers, max_buffers);
+ gst_buffer_pool_set_config (GST_BUFFER_POOL_CAST (pwsink->pool), config);
+
+ pw_thread_loop_unlock (pwsink->core->loop);
+
+ pwsink->negotiated = res;
+
+ return res;
+
+start_error:
+ {
+ GST_ERROR ("could not start stream: %s", error);
+ pw_thread_loop_unlock (pwsink->core->loop);
+ g_ptr_array_unref (possible);
+ return FALSE;
+ }
+}
+
+static GstFlowReturn
+gst_pipewire_sink_render (GstBaseSink * bsink, GstBuffer * buffer)
+{
+ GstPipeWireSink *pwsink;
+ GstFlowReturn res = GST_FLOW_OK;
+ const char *error = NULL;
+ gboolean unref_buffer = FALSE;
+
+ pwsink = GST_PIPEWIRE_SINK (bsink);
+
+ if (!pwsink->negotiated)
+ goto not_negotiated;
+
+ if (buffer->pool != GST_BUFFER_POOL_CAST (pwsink->pool) &&
+ !gst_buffer_pool_is_active (GST_BUFFER_POOL_CAST (pwsink->pool))) {
+ GstStructure *config;
+ GstCaps *caps;
+ guint size, min_buffers, max_buffers;
+
+ config = gst_buffer_pool_get_config (GST_BUFFER_POOL_CAST (pwsink->pool));
+ gst_buffer_pool_config_get_params (config, &caps, &size, &min_buffers, &max_buffers);
+
+ size = (size == 0) ? gst_buffer_get_size (buffer) : size;
+
+ gst_buffer_pool_config_set_params (config, caps, size, min_buffers, max_buffers);
+ gst_buffer_pool_set_config (GST_BUFFER_POOL_CAST (pwsink->pool), config);
+
+ gst_buffer_pool_set_active (GST_BUFFER_POOL_CAST (pwsink->pool), TRUE);
+ }
+
+ pw_thread_loop_lock (pwsink->core->loop);
+ if (pw_stream_get_state (pwsink->stream, &error) != PW_STREAM_STATE_STREAMING)
+ goto done_unlock;
+
+ if (buffer->pool != GST_BUFFER_POOL_CAST (pwsink->pool)) {
+ GstBuffer *b = NULL;
+ GstMapInfo info = { 0, };
+ GstBufferPoolAcquireParams params = { 0, };
+
+ pw_thread_loop_unlock (pwsink->core->loop);
+
+ if ((res = gst_buffer_pool_acquire_buffer (GST_BUFFER_POOL_CAST (pwsink->pool), &b, &params)) != GST_FLOW_OK)
+ goto done;
+
+ gst_buffer_map (b, &info, GST_MAP_WRITE);
+ gst_buffer_extract (buffer, 0, info.data, info.maxsize);
+ gst_buffer_unmap (b, &info);
+ gst_buffer_resize (b, 0, gst_buffer_get_size (buffer));
+ buffer = b;
+ unref_buffer = TRUE;
+
+ pw_thread_loop_lock (pwsink->core->loop);
+ if (pw_stream_get_state (pwsink->stream, &error) != PW_STREAM_STATE_STREAMING)
+ goto done_unlock;
+ }
+
+ GST_DEBUG ("push buffer");
+ do_send_buffer (pwsink, buffer);
+ if (unref_buffer)
+ gst_buffer_unref (buffer);
+
+ if (pw_stream_is_driving (pwsink->stream))
+ pw_stream_trigger_process (pwsink->stream);
+
+done_unlock:
+ pw_thread_loop_unlock (pwsink->core->loop);
+done:
+ return res;
+
+not_negotiated:
+ {
+ return GST_FLOW_NOT_NEGOTIATED;
+ }
+}
+
+static gboolean
+copy_properties (GQuark field_id,
+ const GValue *value,
+ gpointer user_data)
+{
+ struct pw_properties *properties = user_data;
+ GValue dst = { 0 };
+
+ if (g_value_type_transformable (G_VALUE_TYPE(value), G_TYPE_STRING)) {
+ g_value_init(&dst, G_TYPE_STRING);
+ if (g_value_transform(value, &dst)) {
+ pw_properties_set (properties,
+ g_quark_to_string (field_id),
+ g_value_get_string (&dst));
+ }
+ g_value_unset(&dst);
+ }
+ return TRUE;
+}
+
+static const struct pw_stream_events stream_events = {
+ PW_VERSION_STREAM_EVENTS,
+ .state_changed = on_state_changed,
+ .param_changed = on_param_changed,
+ .add_buffer = on_add_buffer,
+ .remove_buffer = on_remove_buffer,
+ .process = on_process,
+};
+
+static gboolean
+gst_pipewire_sink_start (GstBaseSink * basesink)
+{
+ GstPipeWireSink *pwsink = GST_PIPEWIRE_SINK (basesink);
+ struct pw_properties *props;
+
+ pwsink->negotiated = FALSE;
+
+ pw_thread_loop_lock (pwsink->core->loop);
+
+ props = pw_properties_new (NULL, NULL);
+ if (pwsink->client_name) {
+ pw_properties_set (props, PW_KEY_NODE_NAME, pwsink->client_name);
+ pw_properties_set (props, PW_KEY_NODE_DESCRIPTION, pwsink->client_name);
+ }
+ if (pwsink->stream_properties) {
+ gst_structure_foreach (pwsink->stream_properties, copy_properties, props);
+ }
+
+ if ((pwsink->stream = pw_stream_new (pwsink->core->core, pwsink->client_name, props)) == NULL)
+ goto no_stream;
+
+ pwsink->pool->stream = pwsink->stream;
+
+ pw_stream_add_listener(pwsink->stream,
+ &pwsink->stream_listener,
+ &stream_events,
+ pwsink);
+
+ pw_thread_loop_unlock (pwsink->core->loop);
+
+ return TRUE;
+
+no_stream:
+ {
+ GST_ELEMENT_ERROR (pwsink, RESOURCE, FAILED, ("can't create stream"), (NULL));
+ pw_thread_loop_unlock (pwsink->core->loop);
+ return FALSE;
+ }
+}
+
+static gboolean
+gst_pipewire_sink_stop (GstBaseSink * basesink)
+{
+ GstPipeWireSink *pwsink = GST_PIPEWIRE_SINK (basesink);
+
+ pw_thread_loop_lock (pwsink->core->loop);
+ if (pwsink->stream) {
+ pw_stream_destroy (pwsink->stream);
+ pwsink->stream = NULL;
+ pwsink->pool->stream = NULL;
+ }
+ pw_thread_loop_unlock (pwsink->core->loop);
+
+ pwsink->negotiated = FALSE;
+
+ return TRUE;
+}
+
+static gboolean
+gst_pipewire_sink_open (GstPipeWireSink * pwsink)
+{
+ struct pw_properties *props;
+
+ GST_DEBUG_OBJECT (pwsink, "open");
+
+ pwsink->core = gst_pipewire_core_get(pwsink->fd);
+ if (pwsink->core == NULL)
+ goto connect_error;
+
+ pw_thread_loop_lock (pwsink->core->loop);
+
+ props = pw_properties_new (NULL, NULL);
+ if (pwsink->client_properties) {
+ gst_structure_foreach (pwsink->client_properties, copy_properties, props);
+ pw_core_update_properties (pwsink->core->core, &props->dict);
+ }
+ pw_properties_free(props);
+ pw_thread_loop_unlock (pwsink->core->loop);
+
+ return TRUE;
+
+ /* ERRORS */
+connect_error:
+ {
+ GST_ELEMENT_ERROR (pwsink, RESOURCE, FAILED,
+ ("Failed to connect"), (NULL));
+ return FALSE;
+ }
+}
+
+static gboolean
+gst_pipewire_sink_close (GstPipeWireSink * pwsink)
+{
+ pw_thread_loop_lock (pwsink->core->loop);
+ if (pwsink->stream) {
+ pw_stream_destroy (pwsink->stream);
+ pwsink->stream = NULL;
+ }
+ pw_thread_loop_unlock (pwsink->core->loop);
+
+ if (pwsink->core) {
+ gst_pipewire_core_release (pwsink->core);
+ pwsink->core = NULL;
+ }
+ return TRUE;
+}
+
+static GstStateChangeReturn
+gst_pipewire_sink_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstPipeWireSink *this = GST_PIPEWIRE_SINK_CAST (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!gst_pipewire_sink_open (this))
+ goto open_failed;
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ /* uncork and start play */
+ pw_thread_loop_lock (this->core->loop);
+ pw_stream_set_active(this->stream, true);
+ pw_thread_loop_unlock (this->core->loop);
+ gst_buffer_pool_set_flushing(GST_BUFFER_POOL_CAST(this->pool), FALSE);
+ break;
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ /* stop play ASAP by corking */
+ pw_thread_loop_lock (this->core->loop);
+ pw_stream_set_active(this->stream, false);
+ pw_thread_loop_unlock (this->core->loop);
+ gst_buffer_pool_set_flushing(GST_BUFFER_POOL_CAST(this->pool), TRUE);
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ gst_buffer_pool_set_active(GST_BUFFER_POOL_CAST(this->pool), FALSE);
+ break;
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ gst_pipewire_sink_close (this);
+ break;
+ default:
+ break;
+ }
+ return ret;
+
+ /* ERRORS */
+open_failed:
+ {
+ return GST_STATE_CHANGE_FAILURE;
+ }
+}
diff --git a/src/gst/gstpipewiresink.h b/src/gst/gstpipewiresink.h
new file mode 100644
index 0000000..703cd0f
--- /dev/null
+++ b/src/gst/gstpipewiresink.h
@@ -0,0 +1,110 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __GST_PIPEWIRE_SINK_H__
+#define __GST_PIPEWIRE_SINK_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstbasesink.h>
+
+#include <pipewire/pipewire.h>
+#include <gst/gstpipewirepool.h>
+#include <gst/gstpipewirecore.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_PIPEWIRE_SINK \
+ (gst_pipewire_sink_get_type())
+#define GST_PIPEWIRE_SINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PIPEWIRE_SINK,GstPipeWireSink))
+#define GST_PIPEWIRE_SINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PIPEWIRE_SINK,GstPipeWireSinkClass))
+#define GST_IS_PIPEWIRE_SINK(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PIPEWIRE_SINK))
+#define GST_IS_PIPEWIRE_SINK_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PIPEWIRE_SINK))
+#define GST_PIPEWIRE_SINK_CAST(obj) \
+ ((GstPipeWireSink *) (obj))
+
+typedef struct _GstPipeWireSink GstPipeWireSink;
+typedef struct _GstPipeWireSinkClass GstPipeWireSinkClass;
+
+
+/**
+ * GstPipeWireSinkMode:
+ * @GST_PIPEWIRE_SINK_MODE_DEFAULT: the default mode as configured in the server
+ * @GST_PIPEWIRE_SINK_MODE_RENDER: try to render the media
+ * @GST_PIPEWIRE_SINK_MODE_PROVIDE: provide the media
+ *
+ * Different modes of operation.
+ */
+typedef enum
+{
+ GST_PIPEWIRE_SINK_MODE_DEFAULT,
+ GST_PIPEWIRE_SINK_MODE_RENDER,
+ GST_PIPEWIRE_SINK_MODE_PROVIDE,
+} GstPipeWireSinkMode;
+
+#define GST_TYPE_PIPEWIRE_SINK_MODE (gst_pipewire_sink_mode_get_type ())
+
+/**
+ * GstPipeWireSink:
+ *
+ * Opaque data structure.
+ */
+struct _GstPipeWireSink {
+ GstBaseSink element;
+
+ /*< private >*/
+ gchar *path;
+ gchar *target_object;
+ gchar *client_name;
+ int fd;
+
+ /* video state */
+ gboolean negotiated;
+
+ GstPipeWireCore *core;
+ struct spa_hook core_listener;
+ GstStructure *client_properties;
+
+ struct pw_stream *stream;
+ struct spa_hook stream_listener;
+
+ GstStructure *stream_properties;
+ GstPipeWireSinkMode mode;
+
+ GstPipeWirePool *pool;
+};
+
+struct _GstPipeWireSinkClass {
+ GstBaseSinkClass parent_class;
+};
+
+GType gst_pipewire_sink_get_type (void);
+GType gst_pipewire_sink_mode_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_PIPEWIRE_SINK_H__ */
diff --git a/src/gst/gstpipewiresrc.c b/src/gst/gstpipewiresrc.c
new file mode 100644
index 0000000..7243cc1
--- /dev/null
+++ b/src/gst/gstpipewiresrc.c
@@ -0,0 +1,1439 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+/**
+ * SECTION:element-pipewiresrc
+ *
+ * <refsect2>
+ * <title>Example launch line</title>
+ * |[
+ * gst-launch -v pipewiresrc ! videoconvert ! ximagesink
+ * ]| Shows pipewire output in an X window.
+ * </refsect2>
+ */
+
+#define PW_ENABLE_DEPRECATED
+
+#include "config.h"
+#include "gstpipewiresrc.h"
+#include "gstpipewireformat.h"
+
+#include <string.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <sys/socket.h>
+#include <unistd.h>
+
+#include <spa/param/video/format.h>
+#include <spa/pod/builder.h>
+#include <spa/utils/result.h>
+
+#include <gst/net/gstnetclientclock.h>
+#include <gst/allocators/gstfdmemory.h>
+#include <gst/allocators/gstdmabuf.h>
+#include <gst/video/video.h>
+
+#include "gstpipewireclock.h"
+
+static GQuark process_mem_data_quark;
+
+GST_DEBUG_CATEGORY_STATIC (pipewire_src_debug);
+#define GST_CAT_DEFAULT pipewire_src_debug
+
+#define DEFAULT_ALWAYS_COPY false
+#define DEFAULT_MIN_BUFFERS 8
+#define DEFAULT_MAX_BUFFERS INT32_MAX
+#define DEFAULT_RESEND_LAST false
+#define DEFAULT_KEEPALIVE_TIME 0
+
+enum
+{
+ PROP_0,
+ PROP_PATH,
+ PROP_TARGET_OBJECT,
+ PROP_CLIENT_NAME,
+ PROP_CLIENT_PROPERTIES,
+ PROP_STREAM_PROPERTIES,
+ PROP_ALWAYS_COPY,
+ PROP_MIN_BUFFERS,
+ PROP_MAX_BUFFERS,
+ PROP_FD,
+ PROP_RESEND_LAST,
+ PROP_KEEPALIVE_TIME,
+};
+
+
+static GstStaticPadTemplate gst_pipewire_src_template =
+GST_STATIC_PAD_TEMPLATE ("src",
+ GST_PAD_SRC,
+ GST_PAD_ALWAYS,
+ GST_STATIC_CAPS_ANY
+ );
+
+#define gst_pipewire_src_parent_class parent_class
+G_DEFINE_TYPE (GstPipeWireSrc, gst_pipewire_src, GST_TYPE_PUSH_SRC);
+
+static GstStateChangeReturn
+gst_pipewire_src_change_state (GstElement * element, GstStateChange transition);
+
+static gboolean gst_pipewire_src_send_event (GstElement * elem, GstEvent * event);
+
+static gboolean gst_pipewire_src_negotiate (GstBaseSrc * basesrc);
+
+static GstFlowReturn gst_pipewire_src_create (GstPushSrc * psrc,
+ GstBuffer ** buffer);
+static gboolean gst_pipewire_src_unlock (GstBaseSrc * basesrc);
+static gboolean gst_pipewire_src_unlock_stop (GstBaseSrc * basesrc);
+static gboolean gst_pipewire_src_start (GstBaseSrc * basesrc);
+static gboolean gst_pipewire_src_stop (GstBaseSrc * basesrc);
+static gboolean gst_pipewire_src_event (GstBaseSrc * src, GstEvent * event);
+static gboolean gst_pipewire_src_query (GstBaseSrc * src, GstQuery * query);
+
+static void
+gst_pipewire_src_set_property (GObject * object, guint prop_id,
+ const GValue * value, GParamSpec * pspec)
+{
+ GstPipeWireSrc *pwsrc = GST_PIPEWIRE_SRC (object);
+
+ switch (prop_id) {
+ case PROP_PATH:
+ g_free (pwsrc->path);
+ pwsrc->path = g_value_dup_string (value);
+ break;
+
+ case PROP_TARGET_OBJECT:
+ g_free (pwsrc->target_object);
+ pwsrc->target_object = g_value_dup_string (value);
+ break;
+
+ case PROP_CLIENT_NAME:
+ g_free (pwsrc->client_name);
+ pwsrc->client_name = g_value_dup_string (value);
+ break;
+
+ case PROP_CLIENT_PROPERTIES:
+ if (pwsrc->client_properties)
+ gst_structure_free (pwsrc->client_properties);
+ pwsrc->client_properties =
+ gst_structure_copy (gst_value_get_structure (value));
+ break;
+
+ case PROP_STREAM_PROPERTIES:
+ if (pwsrc->stream_properties)
+ gst_structure_free (pwsrc->stream_properties);
+ pwsrc->stream_properties =
+ gst_structure_copy (gst_value_get_structure (value));
+ break;
+
+ case PROP_ALWAYS_COPY:
+ pwsrc->always_copy = g_value_get_boolean (value);
+ break;
+
+ case PROP_MIN_BUFFERS:
+ pwsrc->min_buffers = g_value_get_int (value);
+ break;
+
+ case PROP_MAX_BUFFERS:
+ pwsrc->max_buffers = g_value_get_int (value);
+ break;
+
+ case PROP_FD:
+ pwsrc->fd = g_value_get_int (value);
+ break;
+
+ case PROP_RESEND_LAST:
+ pwsrc->resend_last = g_value_get_boolean (value);
+ break;
+
+ case PROP_KEEPALIVE_TIME:
+ pwsrc->keepalive_time = g_value_get_int (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gst_pipewire_src_get_property (GObject * object, guint prop_id,
+ GValue * value, GParamSpec * pspec)
+{
+ GstPipeWireSrc *pwsrc = GST_PIPEWIRE_SRC (object);
+
+ switch (prop_id) {
+ case PROP_PATH:
+ g_value_set_string (value, pwsrc->path);
+ break;
+
+ case PROP_TARGET_OBJECT:
+ g_value_set_string (value, pwsrc->target_object);
+ break;
+
+ case PROP_CLIENT_NAME:
+ g_value_set_string (value, pwsrc->client_name);
+ break;
+
+ case PROP_CLIENT_PROPERTIES:
+ gst_value_set_structure (value, pwsrc->client_properties);
+ break;
+
+ case PROP_STREAM_PROPERTIES:
+ gst_value_set_structure (value, pwsrc->stream_properties);
+ break;
+
+ case PROP_ALWAYS_COPY:
+ g_value_set_boolean (value, pwsrc->always_copy);
+ break;
+
+ case PROP_MIN_BUFFERS:
+ g_value_set_int (value, pwsrc->min_buffers);
+ break;
+
+ case PROP_MAX_BUFFERS:
+ g_value_set_int (value, pwsrc->max_buffers);
+ break;
+
+ case PROP_FD:
+ g_value_set_int (value, pwsrc->fd);
+ break;
+
+ case PROP_RESEND_LAST:
+ g_value_set_boolean (value, pwsrc->resend_last);
+ break;
+
+ case PROP_KEEPALIVE_TIME:
+ g_value_set_int (value, pwsrc->keepalive_time);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+}
+
+static GstClock *
+gst_pipewire_src_provide_clock (GstElement * elem)
+{
+ GstPipeWireSrc *pwsrc = GST_PIPEWIRE_SRC (elem);
+ GstClock *clock;
+
+ GST_OBJECT_LOCK (pwsrc);
+ if (!GST_OBJECT_FLAG_IS_SET (pwsrc, GST_ELEMENT_FLAG_PROVIDE_CLOCK))
+ goto clock_disabled;
+
+ if (pwsrc->clock && pwsrc->is_live)
+ clock = GST_CLOCK_CAST (gst_object_ref (pwsrc->clock));
+ else
+ clock = NULL;
+ GST_OBJECT_UNLOCK (pwsrc);
+
+ return clock;
+
+ /* ERRORS */
+clock_disabled:
+ {
+ GST_DEBUG_OBJECT (pwsrc, "clock provide disabled");
+ GST_OBJECT_UNLOCK (pwsrc);
+ return NULL;
+ }
+}
+
+static void
+gst_pipewire_src_finalize (GObject * object)
+{
+ GstPipeWireSrc *pwsrc = GST_PIPEWIRE_SRC (object);
+
+ if (pwsrc->stream_properties)
+ gst_structure_free (pwsrc->stream_properties);
+ if (pwsrc->client_properties)
+ gst_structure_free (pwsrc->client_properties);
+ if (pwsrc->clock)
+ gst_object_unref (pwsrc->clock);
+ g_free (pwsrc->path);
+ g_free (pwsrc->target_object);
+ g_free (pwsrc->client_name);
+ g_object_unref(pwsrc->pool);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gst_pipewire_src_class_init (GstPipeWireSrcClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+ GstBaseSrcClass *gstbasesrc_class;
+ GstPushSrcClass *gstpushsrc_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+ gstbasesrc_class = (GstBaseSrcClass *) klass;
+ gstpushsrc_class = (GstPushSrcClass *) klass;
+
+ gobject_class->finalize = gst_pipewire_src_finalize;
+ gobject_class->set_property = gst_pipewire_src_set_property;
+ gobject_class->get_property = gst_pipewire_src_get_property;
+
+ g_object_class_install_property (gobject_class,
+ PROP_PATH,
+ g_param_spec_string ("path",
+ "Path",
+ "The source path to connect to (NULL = default)",
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS |
+ G_PARAM_DEPRECATED));
+
+ g_object_class_install_property (gobject_class,
+ PROP_TARGET_OBJECT,
+ g_param_spec_string ("target-object",
+ "Target object",
+ "The source name/serial to connect to (NULL = default)",
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_CLIENT_NAME,
+ g_param_spec_string ("client-name",
+ "Client Name",
+ "The client name to use (NULL = default)",
+ NULL,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_CLIENT_PROPERTIES,
+ g_param_spec_boxed ("client-properties",
+ "client properties",
+ "list of PipeWire client properties",
+ GST_TYPE_STRUCTURE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_STREAM_PROPERTIES,
+ g_param_spec_boxed ("stream-properties",
+ "stream properties",
+ "list of PipeWire stream properties",
+ GST_TYPE_STRUCTURE,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_ALWAYS_COPY,
+ g_param_spec_boolean ("always-copy",
+ "Always copy",
+ "Always copy the buffer and data",
+ DEFAULT_ALWAYS_COPY,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_MIN_BUFFERS,
+ g_param_spec_int ("min-buffers",
+ "Min Buffers",
+ "Minimum number of buffers to negotiate with PipeWire",
+ 1, G_MAXINT, DEFAULT_MIN_BUFFERS,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_MAX_BUFFERS,
+ g_param_spec_int ("max-buffers",
+ "Max Buffers",
+ "Maximum number of buffers to negotiate with PipeWire",
+ 1, G_MAXINT, DEFAULT_MAX_BUFFERS,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_FD,
+ g_param_spec_int ("fd",
+ "Fd",
+ "The fd to connect with",
+ -1, G_MAXINT, -1,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_RESEND_LAST,
+ g_param_spec_boolean ("resend-last",
+ "Resend last",
+ "Resend last buffer on EOS",
+ DEFAULT_RESEND_LAST,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ g_object_class_install_property (gobject_class,
+ PROP_KEEPALIVE_TIME,
+ g_param_spec_int ("keepalive-time",
+ "Keepalive Time",
+ "Periodically send last buffer (in milliseconds, 0 = disabled)",
+ 0, G_MAXINT, DEFAULT_KEEPALIVE_TIME,
+ G_PARAM_READWRITE |
+ G_PARAM_STATIC_STRINGS));
+
+ gstelement_class->provide_clock = gst_pipewire_src_provide_clock;
+ gstelement_class->change_state = gst_pipewire_src_change_state;
+ gstelement_class->send_event = gst_pipewire_src_send_event;
+
+ gst_element_class_set_static_metadata (gstelement_class,
+ "PipeWire source", "Source/Video",
+ "Uses PipeWire to create video", "Wim Taymans <wim.taymans@gmail.com>");
+
+ gst_element_class_add_pad_template (gstelement_class,
+ gst_static_pad_template_get (&gst_pipewire_src_template));
+
+ gstbasesrc_class->negotiate = gst_pipewire_src_negotiate;
+ gstbasesrc_class->unlock = gst_pipewire_src_unlock;
+ gstbasesrc_class->unlock_stop = gst_pipewire_src_unlock_stop;
+ gstbasesrc_class->start = gst_pipewire_src_start;
+ gstbasesrc_class->stop = gst_pipewire_src_stop;
+ gstbasesrc_class->event = gst_pipewire_src_event;
+ gstbasesrc_class->query = gst_pipewire_src_query;
+ gstpushsrc_class->create = gst_pipewire_src_create;
+
+ GST_DEBUG_CATEGORY_INIT (pipewire_src_debug, "pipewiresrc", 0,
+ "PipeWire Source");
+
+ process_mem_data_quark = g_quark_from_static_string ("GstPipeWireSrcProcessMemQuark");
+}
+
+static void
+gst_pipewire_src_init (GstPipeWireSrc * src)
+{
+ /* we operate in time */
+ gst_base_src_set_format (GST_BASE_SRC (src), GST_FORMAT_TIME);
+
+ /* we're a live source, unless explicitly requested not to be */
+ gst_base_src_set_live (GST_BASE_SRC (src), TRUE);
+
+ GST_OBJECT_FLAG_SET (src, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
+
+ src->always_copy = DEFAULT_ALWAYS_COPY;
+ src->min_buffers = DEFAULT_MIN_BUFFERS;
+ src->max_buffers = DEFAULT_MAX_BUFFERS;
+ src->fd = -1;
+ src->resend_last = DEFAULT_RESEND_LAST;
+ src->keepalive_time = DEFAULT_KEEPALIVE_TIME;
+
+ src->client_name = g_strdup(pw_get_client_name ());
+
+ src->pool = gst_pipewire_pool_new ();
+}
+
+static gboolean
+buffer_recycle (GstMiniObject *obj)
+{
+ GstPipeWireSrc *src;
+ GstPipeWirePoolData *data;
+ int res;
+
+ data = gst_pipewire_pool_get_data (GST_BUFFER_CAST(obj));
+
+ GST_OBJECT_LOCK (data->pool);
+ if (!obj->dispose) {
+ GST_OBJECT_UNLOCK (data->pool);
+ return TRUE;
+ }
+
+ GST_BUFFER_FLAGS (obj) = data->flags;
+ src = data->owner;
+
+ pw_thread_loop_lock (src->core->loop);
+ if (!obj->dispose) {
+ pw_thread_loop_unlock (src->core->loop);
+ GST_OBJECT_UNLOCK (data->pool);
+ return TRUE;
+ }
+
+ gst_mini_object_ref (obj);
+
+ data->queued = TRUE;
+
+ if ((res = pw_stream_queue_buffer (src->stream, data->b)) < 0)
+ GST_WARNING_OBJECT (src, "can't queue recycled buffer %p, %s", obj, spa_strerror(res));
+ else
+ GST_LOG_OBJECT (src, "recycle buffer %p", obj);
+
+ pw_thread_loop_unlock (src->core->loop);
+
+ GST_OBJECT_UNLOCK (data->pool);
+
+ return FALSE;
+}
+
+static void
+on_add_buffer (void *_data, struct pw_buffer *b)
+{
+ GstPipeWireSrc *pwsrc = _data;
+ GstPipeWirePoolData *data;
+
+ gst_pipewire_pool_wrap_buffer (pwsrc->pool, b);
+ data = b->user_data;
+ GST_DEBUG_OBJECT (pwsrc, "add buffer %p", data->buf);
+ data->owner = pwsrc;
+ data->queued = TRUE;
+ GST_MINI_OBJECT_CAST (data->buf)->dispose = buffer_recycle;
+}
+
+static void
+on_remove_buffer (void *_data, struct pw_buffer *b)
+{
+ GstPipeWireSrc *pwsrc = _data;
+ GstPipeWirePoolData *data = b->user_data;
+ GstBuffer *buf = data->buf;
+ int res;
+
+ GST_DEBUG_OBJECT (pwsrc, "remove buffer %p", buf);
+
+ GST_MINI_OBJECT_CAST (buf)->dispose = NULL;
+
+ if (data->queued) {
+ gst_buffer_unref (buf);
+ } else {
+ if ((res = pw_stream_queue_buffer (pwsrc->stream, b)) < 0)
+ GST_WARNING_OBJECT (pwsrc, "can't queue removed buffer %p, %s", buf, spa_strerror(res));
+ }
+}
+
+static const char * const transform_map[] = {
+ [SPA_META_TRANSFORMATION_None] = "rotate-0",
+ [SPA_META_TRANSFORMATION_90] = "rotate-90",
+ [SPA_META_TRANSFORMATION_180] = "rotate-180",
+ [SPA_META_TRANSFORMATION_270] = "rotate-270",
+ [SPA_META_TRANSFORMATION_Flipped] = "flip-rotate-0",
+ [SPA_META_TRANSFORMATION_Flipped90] = "flip-rotate-270",
+ [SPA_META_TRANSFORMATION_Flipped180] = "flip-rotate-180",
+ [SPA_META_TRANSFORMATION_Flipped270] = "flip-rotate-90",
+};
+
+static const char *spa_transform_value_to_gst_image_orientation(uint32_t transform_value)
+{
+ if (transform_value >= SPA_N_ELEMENTS(transform_map))
+ transform_value = SPA_META_TRANSFORMATION_None;
+
+ return transform_map[transform_value];
+}
+
+static GstBuffer *dequeue_buffer(GstPipeWireSrc *pwsrc)
+{
+ struct pw_buffer *b;
+ GstBuffer *buf;
+ GstPipeWirePoolData *data;
+ struct spa_meta_header *h;
+ struct spa_meta_region *crop;
+ struct spa_meta_videotransform *videotransform;
+ guint i;
+
+ b = pw_stream_dequeue_buffer (pwsrc->stream);
+ if (b == NULL)
+ return NULL;
+
+ data = b->user_data;
+
+ if (!GST_IS_BUFFER (data->buf)) {
+ GST_ERROR_OBJECT (pwsrc, "stream buffer %p is missing", data->buf);
+ return NULL;
+ }
+
+ if (!data->queued) {
+ GST_ERROR_OBJECT (pwsrc, "buffer %p was not recycled", data->buf);
+ return NULL;
+ }
+
+ GST_LOG_OBJECT (pwsrc, "got new buffer %p", data->buf);
+
+ buf = gst_buffer_new ();
+
+ data->queued = FALSE;
+ GST_BUFFER_PTS (buf) = GST_CLOCK_TIME_NONE;
+ GST_BUFFER_DTS (buf) = GST_CLOCK_TIME_NONE;
+
+ h = data->header;
+ if (h) {
+ GST_LOG_OBJECT (pwsrc, "pts %" G_GUINT64_FORMAT ", dts_offset %" G_GUINT64_FORMAT, h->pts, h->dts_offset);
+
+ if (GST_CLOCK_TIME_IS_VALID (h->pts)) {
+ GST_BUFFER_PTS (buf) = h->pts + GST_PIPEWIRE_CLOCK (pwsrc->clock)->time_offset;
+ if (GST_BUFFER_PTS (buf) + h->dts_offset > 0)
+ GST_BUFFER_DTS (buf) = GST_BUFFER_PTS (buf) + h->dts_offset;
+ }
+ GST_BUFFER_OFFSET (buf) = h->seq;
+ }
+ crop = data->crop;
+ if (crop) {
+ GstVideoCropMeta *meta = gst_buffer_get_video_crop_meta(buf);
+ if (meta) {
+ meta->x = crop->region.position.x;
+ meta->y = crop->region.position.y;
+ meta->width = crop->region.size.width;
+ meta->height = crop->region.size.height;
+ }
+ }
+
+ videotransform = data->videotransform;
+ if (videotransform) {
+ if (pwsrc->transform_value != videotransform->transform) {
+ GstEvent *tag_event;
+ const char* tag_string;
+
+ tag_string =
+ spa_transform_value_to_gst_image_orientation(videotransform->transform);
+
+ GST_LOG_OBJECT (pwsrc, "got new videotransform: %u / %s",
+ videotransform->transform, tag_string);
+
+ tag_event = gst_event_new_tag(gst_tag_list_new(GST_TAG_IMAGE_ORIENTATION,
+ tag_string, NULL));
+ gst_pad_push_event (GST_BASE_SRC_PAD (pwsrc), tag_event);
+
+ pwsrc->transform_value = videotransform->transform;
+ }
+ }
+
+ for (i = 0; i < b->buffer->n_datas; i++) {
+ struct spa_data *d = &b->buffer->datas[i];
+ GstMemory *pmem = gst_buffer_peek_memory (data->buf, i);
+ if (pmem) {
+ GstMemory *mem;
+ if (!pwsrc->always_copy)
+ mem = gst_memory_share (pmem, d->chunk->offset, d->chunk->size);
+ else
+ mem = gst_memory_copy (pmem, d->chunk->offset, d->chunk->size);
+ gst_buffer_insert_memory (buf, i, mem);
+ }
+ if (d->chunk->flags & SPA_CHUNK_FLAG_CORRUPTED)
+ GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_CORRUPTED);
+ }
+ if (!pwsrc->always_copy)
+ gst_buffer_add_parent_buffer_meta (buf, data->buf);
+ gst_buffer_unref (data->buf);
+ return buf;
+}
+
+static void
+on_process (void *_data)
+{
+ GstPipeWireSrc *pwsrc = _data;
+ pw_thread_loop_signal (pwsrc->core->loop, FALSE);
+}
+
+static void
+on_state_changed (void *data,
+ enum pw_stream_state old,
+ enum pw_stream_state state, const char *error)
+{
+ GstPipeWireSrc *pwsrc = data;
+
+ GST_DEBUG ("got stream state %s", pw_stream_state_as_string (state));
+
+ switch (state) {
+ case PW_STREAM_STATE_UNCONNECTED:
+ case PW_STREAM_STATE_CONNECTING:
+ case PW_STREAM_STATE_PAUSED:
+ case PW_STREAM_STATE_STREAMING:
+ break;
+ case PW_STREAM_STATE_ERROR:
+ GST_ELEMENT_ERROR (pwsrc, RESOURCE, FAILED,
+ ("stream error: %s", error), (NULL));
+ break;
+ }
+ pw_thread_loop_signal (pwsrc->core->loop, FALSE);
+}
+
+static void
+parse_stream_properties (GstPipeWireSrc *pwsrc, const struct pw_properties *props)
+{
+ const gchar *var;
+ gboolean is_live;
+
+ GST_OBJECT_LOCK (pwsrc);
+ var = pw_properties_get (props, PW_KEY_STREAM_IS_LIVE);
+ is_live = pwsrc->is_live = var ? pw_properties_parse_bool(var) : TRUE;
+
+ var = pw_properties_get (props, PW_KEY_STREAM_LATENCY_MIN);
+ pwsrc->min_latency = var ? (GstClockTime) atoi (var) : 0;
+
+ var = pw_properties_get (props, PW_KEY_STREAM_LATENCY_MAX);
+ pwsrc->max_latency = var ? (GstClockTime) atoi (var) : GST_CLOCK_TIME_NONE;
+ GST_OBJECT_UNLOCK (pwsrc);
+
+ GST_DEBUG_OBJECT (pwsrc, "live %d", is_live);
+
+ gst_base_src_set_live (GST_BASE_SRC (pwsrc), is_live);
+}
+
+static gboolean
+gst_pipewire_src_stream_start (GstPipeWireSrc *pwsrc)
+{
+ const char *error = NULL;
+ struct timespec abstime;
+
+ pw_thread_loop_lock (pwsrc->core->loop);
+ GST_DEBUG_OBJECT (pwsrc, "doing stream start");
+
+ pw_thread_loop_get_time (pwsrc->core->loop, &abstime,
+ GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
+
+ while (TRUE) {
+ enum pw_stream_state state = pw_stream_get_state (pwsrc->stream, &error);
+
+ GST_DEBUG_OBJECT (pwsrc, "waiting for STREAMING, now %s", pw_stream_state_as_string (state));
+ if (state == PW_STREAM_STATE_STREAMING)
+ break;
+
+ if (state == PW_STREAM_STATE_ERROR)
+ goto start_error;
+
+ if (pwsrc->flushing) {
+ error = "flushing";
+ goto start_error;
+ }
+
+ if (pw_thread_loop_timed_wait_full (pwsrc->core->loop, &abstime) < 0) {
+ error = "timeout";
+ goto start_error;
+ }
+ }
+
+ parse_stream_properties (pwsrc, pw_stream_get_properties (pwsrc->stream));
+ GST_DEBUG_OBJECT (pwsrc, "signal started");
+ pwsrc->started = TRUE;
+ pw_thread_loop_signal (pwsrc->core->loop, FALSE);
+ pw_thread_loop_unlock (pwsrc->core->loop);
+
+ return TRUE;
+
+start_error:
+ {
+ GST_DEBUG_OBJECT (pwsrc, "error starting stream: %s", error);
+ pw_thread_loop_signal (pwsrc->core->loop, FALSE);
+ pw_thread_loop_unlock (pwsrc->core->loop);
+ return FALSE;
+ }
+}
+
+static enum pw_stream_state
+wait_started (GstPipeWireSrc *this)
+{
+ enum pw_stream_state state;
+ const char *error = NULL;
+ struct timespec abstime;
+
+ pw_thread_loop_lock (this->core->loop);
+
+ pw_thread_loop_get_time (this->core->loop, &abstime,
+ GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
+
+ while (TRUE) {
+ state = pw_stream_get_state (this->stream, &error);
+
+ GST_DEBUG_OBJECT (this, "waiting for started signal, state now %s",
+ pw_stream_state_as_string (state));
+
+ if (state == PW_STREAM_STATE_ERROR)
+ break;
+
+ if (this->flushing) {
+ state = PW_STREAM_STATE_ERROR;
+ break;
+ }
+
+ if (this->started)
+ break;
+
+ if (pw_thread_loop_timed_wait_full (this->core->loop, &abstime) < 0) {
+ state = PW_STREAM_STATE_ERROR;
+ break;
+ }
+ }
+ GST_DEBUG_OBJECT (this, "got started signal: %s",
+ pw_stream_state_as_string (state));
+ pw_thread_loop_unlock (this->core->loop);
+
+ return state;
+}
+
+static gboolean
+gst_pipewire_src_negotiate (GstBaseSrc * basesrc)
+{
+ GstPipeWireSrc *pwsrc = GST_PIPEWIRE_SRC (basesrc);
+ GstCaps *thiscaps;
+ GstCaps *caps = NULL;
+ GstCaps *peercaps = NULL;
+ gboolean result = FALSE;
+ GPtrArray *possible;
+ const char *error = NULL;
+ struct timespec abstime;
+ uint32_t target_id;
+
+ /* first see what is possible on our source pad */
+ thiscaps = gst_pad_query_caps (GST_BASE_SRC_PAD (basesrc), NULL);
+ GST_DEBUG_OBJECT (basesrc, "caps of src: %" GST_PTR_FORMAT, thiscaps);
+ /* nothing or anything is allowed, we're done */
+ if (thiscaps == NULL)
+ goto no_nego_needed;
+
+ if (G_UNLIKELY (gst_caps_is_empty (thiscaps)))
+ goto no_caps;
+
+ /* get the peer caps */
+ peercaps = gst_pad_peer_query_caps (GST_BASE_SRC_PAD (basesrc), thiscaps);
+ GST_DEBUG_OBJECT (basesrc, "caps of peer: %" GST_PTR_FORMAT, peercaps);
+ if (peercaps) {
+ /* The result is already a subset of our caps */
+ caps = peercaps;
+ gst_caps_unref (thiscaps);
+ } else {
+ /* no peer, work with our own caps then */
+ caps = thiscaps;
+ }
+ if (caps == NULL || gst_caps_is_empty (caps))
+ goto no_common_caps;
+
+ GST_DEBUG_OBJECT (basesrc, "have common caps: %" GST_PTR_FORMAT, caps);
+
+ /* open a connection with these caps */
+ possible = gst_caps_to_format_all (caps, SPA_PARAM_EnumFormat);
+ gst_caps_unref (caps);
+
+ /* first disconnect */
+ pw_thread_loop_lock (pwsrc->core->loop);
+ if (pw_stream_get_state(pwsrc->stream, &error) != PW_STREAM_STATE_UNCONNECTED) {
+ GST_DEBUG_OBJECT (basesrc, "disconnect capture");
+ pw_stream_disconnect (pwsrc->stream);
+ while (TRUE) {
+ enum pw_stream_state state = pw_stream_get_state (pwsrc->stream, &error);
+
+ GST_DEBUG_OBJECT (basesrc, "waiting for UNCONNECTED, now %s", pw_stream_state_as_string (state));
+ if (state == PW_STREAM_STATE_UNCONNECTED)
+ break;
+
+ if (state == PW_STREAM_STATE_ERROR || pwsrc->flushing) {
+ g_ptr_array_unref (possible);
+ goto connect_error;
+ }
+
+ pw_thread_loop_wait (pwsrc->core->loop);
+ }
+ }
+
+ target_id = pwsrc->path ? (uint32_t)atoi(pwsrc->path) : PW_ID_ANY;
+
+ if (pwsrc->target_object) {
+ struct spa_dict_item items[2] = {
+ SPA_DICT_ITEM_INIT(PW_KEY_TARGET_OBJECT, pwsrc->target_object),
+ /* XXX deprecated but the portal and some example apps only
+ * provide the object id */
+ SPA_DICT_ITEM_INIT(PW_KEY_NODE_TARGET, NULL),
+ };
+ struct spa_dict dict = SPA_DICT_INIT_ARRAY(items);
+ uint64_t serial;
+
+ /* If target.object is a name, set it also to node.target */
+ if (spa_atou64(pwsrc->target_object, &serial, 0)) {
+ dict.n_items = 1;
+ } else {
+ target_id = PW_ID_ANY;
+ items[1].value = pwsrc->target_object;
+ }
+
+ pw_stream_update_properties (pwsrc->stream, &dict);
+ }
+
+ GST_DEBUG_OBJECT (basesrc, "connect capture with path %s, target-object %s",
+ pwsrc->path, pwsrc->target_object);
+ pwsrc->negotiated = FALSE;
+ pw_stream_connect (pwsrc->stream,
+ PW_DIRECTION_INPUT,
+ target_id,
+ PW_STREAM_FLAG_AUTOCONNECT | PW_STREAM_FLAG_DONT_RECONNECT,
+ (const struct spa_pod **)possible->pdata,
+ possible->len);
+ g_ptr_array_free (possible, TRUE);
+
+ pw_thread_loop_get_time (pwsrc->core->loop, &abstime,
+ GST_PIPEWIRE_DEFAULT_TIMEOUT * SPA_NSEC_PER_SEC);
+
+ while (TRUE) {
+ enum pw_stream_state state = pw_stream_get_state (pwsrc->stream, &error);
+
+ GST_DEBUG_OBJECT (basesrc, "waiting for NEGOTIATED, now %s", pw_stream_state_as_string (state));
+ if (state == PW_STREAM_STATE_ERROR || pwsrc->flushing)
+ goto connect_error;
+
+ if (pwsrc->negotiated)
+ break;
+
+ if (pw_thread_loop_timed_wait_full (pwsrc->core->loop, &abstime) < 0)
+ goto connect_error;
+ }
+ caps = pwsrc->caps;
+ pwsrc->caps = NULL;
+ pw_thread_loop_unlock (pwsrc->core->loop);
+
+ if (caps == NULL)
+ goto no_caps;
+
+ gst_pipewire_clock_reset (GST_PIPEWIRE_CLOCK (pwsrc->clock), 0);
+
+ GST_DEBUG_OBJECT (pwsrc, "set format %" GST_PTR_FORMAT, caps);
+ result = gst_base_src_set_caps (GST_BASE_SRC (pwsrc), caps);
+ gst_caps_unref (caps);
+
+ result = gst_pipewire_src_stream_start (pwsrc);
+
+ pwsrc->started = result;
+
+ return result;
+
+no_nego_needed:
+ {
+ GST_DEBUG_OBJECT (basesrc, "no negotiation needed");
+ if (thiscaps)
+ gst_caps_unref (thiscaps);
+ return TRUE;
+ }
+no_caps:
+ {
+ GST_ELEMENT_ERROR (basesrc, STREAM, FORMAT,
+ ("No supported formats found"),
+ ("This element did not produce valid caps"));
+ if (thiscaps)
+ gst_caps_unref (thiscaps);
+ return FALSE;
+ }
+no_common_caps:
+ {
+ GST_ELEMENT_ERROR (basesrc, STREAM, FORMAT,
+ ("No supported formats found"),
+ ("This element does not have formats in common with the peer"));
+ if (caps)
+ gst_caps_unref (caps);
+ return FALSE;
+ }
+connect_error:
+ {
+ GST_DEBUG_OBJECT (basesrc, "connect error");
+ pw_thread_loop_unlock (pwsrc->core->loop);
+ return FALSE;
+ }
+}
+
+static void
+on_param_changed (void *data, uint32_t id,
+ const struct spa_pod *param)
+{
+ GstPipeWireSrc *pwsrc = data;
+
+ if (param == NULL || id != SPA_PARAM_Format) {
+ GST_DEBUG_OBJECT (pwsrc, "clear format");
+ return;
+ }
+ if (pwsrc->caps)
+ gst_caps_unref(pwsrc->caps);
+ pwsrc->caps = gst_caps_from_format (param);
+
+ pwsrc->negotiated = pwsrc->caps != NULL;
+
+ if (pwsrc->negotiated) {
+ const struct spa_pod *params[4];
+ struct spa_pod_builder b = { NULL };
+ uint8_t buffer[512];
+ uint32_t buffers = CLAMP (16, pwsrc->min_buffers, pwsrc->max_buffers);
+ int buffertypes;
+
+ buffertypes = (1<<SPA_DATA_DmaBuf);
+ if (spa_pod_find_prop (param, NULL, SPA_FORMAT_VIDEO_modifier)) {
+ gst_caps_features_remove (gst_caps_get_features (pwsrc->caps, 0),
+ GST_CAPS_FEATURE_MEMORY_SYSTEM_MEMORY);
+ gst_caps_features_add (gst_caps_get_features (pwsrc->caps, 0),
+ GST_CAPS_FEATURE_MEMORY_DMABUF);
+ } else {
+ buffertypes |= ((1<<SPA_DATA_MemFd) | (1<<SPA_DATA_MemPtr));
+ }
+
+ GST_DEBUG_OBJECT (pwsrc, "we got format %" GST_PTR_FORMAT, pwsrc->caps);
+
+ spa_pod_builder_init (&b, buffer, sizeof (buffer));
+ params[0] = spa_pod_builder_add_object (&b,
+ SPA_TYPE_OBJECT_ParamBuffers, SPA_PARAM_Buffers,
+ SPA_PARAM_BUFFERS_buffers, SPA_POD_CHOICE_RANGE_Int(buffers,
+ pwsrc->min_buffers,
+ pwsrc->max_buffers),
+ SPA_PARAM_BUFFERS_blocks, SPA_POD_CHOICE_RANGE_Int(0, 1, INT32_MAX),
+ SPA_PARAM_BUFFERS_size, SPA_POD_CHOICE_RANGE_Int(0, 0, INT32_MAX),
+ SPA_PARAM_BUFFERS_stride, SPA_POD_CHOICE_RANGE_Int(0, 0, INT32_MAX),
+ SPA_PARAM_BUFFERS_dataType, SPA_POD_CHOICE_FLAGS_Int(buffertypes));
+
+ params[1] = spa_pod_builder_add_object (&b,
+ SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
+ SPA_PARAM_META_type, SPA_POD_Id(SPA_META_Header),
+ SPA_PARAM_META_size, SPA_POD_Int(sizeof (struct spa_meta_header)));
+ params[2] = spa_pod_builder_add_object (&b,
+ SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
+ SPA_PARAM_META_type, SPA_POD_Id(SPA_META_VideoCrop),
+ SPA_PARAM_META_size, SPA_POD_Int(sizeof (struct spa_meta_region)));
+ params[3] = spa_pod_builder_add_object (&b,
+ SPA_TYPE_OBJECT_ParamMeta, SPA_PARAM_Meta,
+ SPA_PARAM_META_type, SPA_POD_Id(SPA_META_VideoTransform),
+ SPA_PARAM_META_size, SPA_POD_Int(sizeof (struct spa_meta_videotransform)));
+
+ GST_DEBUG_OBJECT (pwsrc, "doing finish format");
+ pw_stream_update_params (pwsrc->stream, params, SPA_N_ELEMENTS(params));
+ } else {
+ GST_WARNING_OBJECT (pwsrc, "finish format with error");
+ pw_stream_set_error (pwsrc->stream, -EINVAL, "unhandled format");
+ }
+ pw_thread_loop_signal (pwsrc->core->loop, FALSE);
+}
+
+static gboolean
+gst_pipewire_src_unlock (GstBaseSrc * basesrc)
+{
+ GstPipeWireSrc *pwsrc = GST_PIPEWIRE_SRC (basesrc);
+
+ pw_thread_loop_lock (pwsrc->core->loop);
+ GST_DEBUG_OBJECT (pwsrc, "setting flushing");
+ pwsrc->flushing = TRUE;
+ pw_thread_loop_signal (pwsrc->core->loop, FALSE);
+ pw_thread_loop_unlock (pwsrc->core->loop);
+
+ return TRUE;
+}
+
+static gboolean
+gst_pipewire_src_unlock_stop (GstBaseSrc * basesrc)
+{
+ GstPipeWireSrc *pwsrc = GST_PIPEWIRE_SRC (basesrc);
+
+ pw_thread_loop_lock (pwsrc->core->loop);
+ GST_DEBUG_OBJECT (pwsrc, "unsetting flushing");
+ pwsrc->flushing = FALSE;
+ pw_thread_loop_unlock (pwsrc->core->loop);
+
+ return TRUE;
+}
+
+static gboolean
+gst_pipewire_src_event (GstBaseSrc * src, GstEvent * event)
+{
+ gboolean res = FALSE;
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_CUSTOM_UPSTREAM:
+ if (gst_video_event_is_force_key_unit (event)) {
+ GstClockTime running_time;
+ gboolean all_headers;
+ guint count;
+
+ gst_video_event_parse_upstream_force_key_unit (event,
+ &running_time, &all_headers, &count);
+
+ res = TRUE;
+ } else {
+ res = GST_BASE_SRC_CLASS (parent_class)->event (src, event);
+ }
+ break;
+ default:
+ res = GST_BASE_SRC_CLASS (parent_class)->event (src, event);
+ break;
+ }
+ return res;
+}
+
+static gboolean
+gst_pipewire_src_query (GstBaseSrc * src, GstQuery * query)
+{
+ gboolean res = FALSE;
+ GstPipeWireSrc *pwsrc;
+
+ pwsrc = GST_PIPEWIRE_SRC (src);
+
+ switch (GST_QUERY_TYPE (query)) {
+ case GST_QUERY_LATENCY:
+ GST_OBJECT_LOCK (pwsrc);
+ pwsrc->min_latency = 10000000;
+ pwsrc->max_latency = GST_CLOCK_TIME_NONE;
+ gst_query_set_latency (query, pwsrc->is_live, pwsrc->min_latency, pwsrc->max_latency);
+ GST_OBJECT_UNLOCK (pwsrc);
+ res = TRUE;
+ break;
+ default:
+ res = GST_BASE_SRC_CLASS (parent_class)->query (src, query);
+ break;
+ }
+ return res;
+}
+
+static GstFlowReturn
+gst_pipewire_src_create (GstPushSrc * psrc, GstBuffer ** buffer)
+{
+ GstPipeWireSrc *pwsrc;
+ GstClockTime pts, dts, base_time;
+ const char *error = NULL;
+ GstBuffer *buf;
+ gboolean update_time = FALSE, timeout = FALSE;
+
+ pwsrc = GST_PIPEWIRE_SRC (psrc);
+
+ pw_thread_loop_lock (pwsrc->core->loop);
+ if (!pwsrc->negotiated)
+ goto not_negotiated;
+
+ while (TRUE) {
+ enum pw_stream_state state;
+
+ if (pwsrc->flushing)
+ goto streaming_stopped;
+
+ if (pwsrc->stream == NULL)
+ goto streaming_error;
+
+ state = pw_stream_get_state (pwsrc->stream, &error);
+ if (state == PW_STREAM_STATE_ERROR)
+ goto streaming_error;
+
+ if (state != PW_STREAM_STATE_STREAMING)
+ goto streaming_stopped;
+
+ if (pwsrc->eos) {
+ if (pwsrc->last_buffer == NULL)
+ goto streaming_eos;
+ buf = pwsrc->last_buffer;
+ pwsrc->last_buffer = NULL;
+ update_time = TRUE;
+ GST_LOG_OBJECT (pwsrc, "EOS, send last buffer");
+ break;
+ } else if (timeout) {
+ if (pwsrc->last_buffer != NULL) {
+ update_time = TRUE;
+ buf = gst_buffer_ref(pwsrc->last_buffer);
+ GST_LOG_OBJECT (pwsrc, "timeout, send keepalive buffer");
+ break;
+ }
+ } else {
+ buf = dequeue_buffer (pwsrc);
+ GST_LOG_OBJECT (pwsrc, "popped buffer %p", buf);
+ if (buf != NULL) {
+ if (pwsrc->resend_last || pwsrc->keepalive_time > 0)
+ gst_buffer_replace (&pwsrc->last_buffer, buf);
+ break;
+ }
+ }
+ timeout = FALSE;
+ if (pwsrc->keepalive_time > 0) {
+ struct timespec abstime;
+ pw_thread_loop_get_time(pwsrc->core->loop, &abstime,
+ pwsrc->keepalive_time * SPA_NSEC_PER_MSEC);
+ if (pw_thread_loop_timed_wait_full (pwsrc->core->loop, &abstime) == -ETIMEDOUT)
+ timeout = TRUE;
+ } else {
+ pw_thread_loop_wait (pwsrc->core->loop);
+ }
+ }
+ pw_thread_loop_unlock (pwsrc->core->loop);
+
+ *buffer = buf;
+
+ if (pwsrc->is_live)
+ base_time = GST_ELEMENT_CAST (psrc)->base_time;
+ else
+ base_time = 0;
+
+ if (update_time) {
+ GstClock *clock = gst_element_get_clock (GST_ELEMENT_CAST (pwsrc));
+ if (clock != NULL) {
+ pts = dts = gst_clock_get_time (clock);
+ gst_object_unref (clock);
+ } else {
+ pts = dts = GST_CLOCK_TIME_NONE;
+ }
+ } else {
+ pts = GST_BUFFER_PTS (*buffer);
+ dts = GST_BUFFER_DTS (*buffer);
+ }
+
+ if (GST_CLOCK_TIME_IS_VALID (pts))
+ pts = (pts >= base_time ? pts - base_time : 0);
+ if (GST_CLOCK_TIME_IS_VALID (dts))
+ dts = (dts >= base_time ? dts - base_time : 0);
+
+ GST_LOG_OBJECT (pwsrc,
+ "pts %" G_GUINT64_FORMAT ", dts %" G_GUINT64_FORMAT
+ ", base-time %" GST_TIME_FORMAT " -> %" GST_TIME_FORMAT ", %" GST_TIME_FORMAT,
+ GST_BUFFER_PTS (*buffer), GST_BUFFER_DTS (*buffer), GST_TIME_ARGS (base_time),
+ GST_TIME_ARGS (pts), GST_TIME_ARGS (dts));
+
+ GST_BUFFER_PTS (*buffer) = pts;
+ GST_BUFFER_DTS (*buffer) = dts;
+
+ return GST_FLOW_OK;
+
+not_negotiated:
+ {
+ pw_thread_loop_unlock (pwsrc->core->loop);
+ return GST_FLOW_NOT_NEGOTIATED;
+ }
+streaming_eos:
+ {
+ pw_thread_loop_unlock (pwsrc->core->loop);
+ return GST_FLOW_EOS;
+ }
+streaming_error:
+ {
+ pw_thread_loop_unlock (pwsrc->core->loop);
+ return GST_FLOW_ERROR;
+ }
+streaming_stopped:
+ {
+ pw_thread_loop_unlock (pwsrc->core->loop);
+ return GST_FLOW_FLUSHING;
+ }
+}
+
+static gboolean
+gst_pipewire_src_start (GstBaseSrc * basesrc)
+{
+ return TRUE;
+}
+
+static gboolean
+gst_pipewire_src_stop (GstBaseSrc * basesrc)
+{
+ GstPipeWireSrc *pwsrc;
+
+ pwsrc = GST_PIPEWIRE_SRC (basesrc);
+
+ pw_thread_loop_lock (pwsrc->core->loop);
+ pwsrc->eos = false;
+ gst_buffer_replace (&pwsrc->last_buffer, NULL);
+ gst_caps_replace(&pwsrc->caps, NULL);
+ pw_thread_loop_unlock (pwsrc->core->loop);
+
+ return TRUE;
+}
+
+static gboolean
+copy_properties (GQuark field_id,
+ const GValue *value,
+ gpointer user_data)
+{
+ struct pw_properties *properties = user_data;
+ GValue dst = { 0 };
+
+ if (g_value_type_transformable (G_VALUE_TYPE(value), G_TYPE_STRING)) {
+ g_value_init(&dst, G_TYPE_STRING);
+ if (g_value_transform(value, &dst)) {
+ pw_properties_set (properties,
+ g_quark_to_string (field_id),
+ g_value_get_string (&dst));
+ }
+ g_value_unset(&dst);
+ }
+ return TRUE;
+}
+
+static const struct pw_stream_events stream_events = {
+ PW_VERSION_STREAM_EVENTS,
+ .state_changed = on_state_changed,
+ .param_changed = on_param_changed,
+ .add_buffer = on_add_buffer,
+ .remove_buffer = on_remove_buffer,
+ .process = on_process,
+};
+
+static gboolean
+gst_pipewire_src_open (GstPipeWireSrc * pwsrc)
+{
+ struct pw_properties *props;
+
+ GST_DEBUG_OBJECT (pwsrc, "open");
+
+ pwsrc->core = gst_pipewire_core_get(pwsrc->fd);
+ if (pwsrc->core == NULL)
+ goto connect_error;
+
+ pw_thread_loop_lock (pwsrc->core->loop);
+
+ props = pw_properties_new (NULL, NULL);
+ if (pwsrc->client_properties) {
+ gst_structure_foreach (pwsrc->client_properties, copy_properties, props);
+ pw_core_update_properties (pwsrc->core->core, &props->dict);
+ pw_properties_clear(props);
+ }
+ if (pwsrc->client_name) {
+ pw_properties_set (props, PW_KEY_NODE_NAME, pwsrc->client_name);
+ pw_properties_set (props, PW_KEY_NODE_DESCRIPTION, pwsrc->client_name);
+ }
+ if (pwsrc->stream_properties) {
+ gst_structure_foreach (pwsrc->stream_properties, copy_properties, props);
+ }
+
+ if ((pwsrc->stream = pw_stream_new (pwsrc->core->core,
+ pwsrc->client_name, props)) == NULL)
+ goto no_stream;
+
+
+ pw_stream_add_listener(pwsrc->stream,
+ &pwsrc->stream_listener,
+ &stream_events,
+ pwsrc);
+
+ pwsrc->clock = gst_pipewire_clock_new (pwsrc->stream, pwsrc->last_time);
+ pw_thread_loop_unlock (pwsrc->core->loop);
+
+ return TRUE;
+
+ /* ERRORS */
+connect_error:
+ {
+ GST_ELEMENT_ERROR (pwsrc, RESOURCE, FAILED, ("can't connect"), (NULL));
+ return FALSE;
+ }
+no_stream:
+ {
+ GST_ELEMENT_ERROR (pwsrc, RESOURCE, FAILED, ("can't create stream"), (NULL));
+ pw_thread_loop_unlock (pwsrc->core->loop);
+ gst_pipewire_core_release (pwsrc->core);
+ pwsrc->core = NULL;
+ return FALSE;
+ }
+}
+
+static void
+gst_pipewire_src_close (GstPipeWireSrc * pwsrc)
+{
+ pwsrc->last_time = gst_clock_get_time (pwsrc->clock);
+
+ GST_DEBUG_OBJECT (pwsrc, "close");
+
+ gst_element_post_message (GST_ELEMENT (pwsrc),
+ gst_message_new_clock_lost (GST_OBJECT_CAST (pwsrc), pwsrc->clock));
+
+ GST_OBJECT_LOCK (pwsrc);
+ GST_PIPEWIRE_CLOCK (pwsrc->clock)->stream = NULL;
+ g_clear_object (&pwsrc->clock);
+ GST_OBJECT_UNLOCK (pwsrc);
+
+ GST_OBJECT_LOCK (pwsrc->pool);
+ pw_thread_loop_lock (pwsrc->core->loop);
+ if (pwsrc->stream) {
+ pw_stream_destroy (pwsrc->stream);
+ pwsrc->stream = NULL;
+ }
+ pw_thread_loop_unlock (pwsrc->core->loop);
+ GST_OBJECT_UNLOCK (pwsrc->pool);
+
+ if (pwsrc->core) {
+ gst_pipewire_core_release (pwsrc->core);
+ pwsrc->core = NULL;
+ }
+}
+
+static gboolean
+gst_pipewire_src_send_event (GstElement * elem, GstEvent * event)
+{
+ GstPipeWireSrc *this = GST_PIPEWIRE_SRC_CAST (elem);
+ gboolean ret;
+
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_EOS:
+ GST_DEBUG_OBJECT (this, "got EOS");
+ pw_thread_loop_lock (this->core->loop);
+ this->eos = true;
+ pw_thread_loop_signal (this->core->loop, FALSE);
+ pw_thread_loop_unlock (this->core->loop);
+ ret = TRUE;
+ break;
+ default:
+ ret = GST_ELEMENT_CLASS (parent_class)->send_event (elem, event);
+ break;
+ }
+ return ret;
+}
+
+static GstStateChangeReturn
+gst_pipewire_src_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstPipeWireSrc *this = GST_PIPEWIRE_SRC_CAST (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ if (!gst_pipewire_src_open (this))
+ goto open_failed;
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ /* uncork and start recording */
+ pw_thread_loop_lock (this->core->loop);
+ pw_stream_set_active(this->stream, true);
+ pw_thread_loop_unlock (this->core->loop);
+ break;
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ /* stop recording ASAP by corking */
+ pw_thread_loop_lock (this->core->loop);
+ pw_stream_set_active(this->stream, false);
+ pw_thread_loop_unlock (this->core->loop);
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ if (wait_started (this) == PW_STREAM_STATE_ERROR)
+ goto open_failed;
+
+ if (gst_base_src_is_live (GST_BASE_SRC (element)))
+ ret = GST_STATE_CHANGE_NO_PREROLL;
+ break;
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ pw_thread_loop_lock (this->core->loop);
+ this->negotiated = FALSE;
+ pw_thread_loop_unlock (this->core->loop);
+ break;
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ gst_pipewire_src_close (this);
+ break;
+ default:
+ break;
+ }
+ return ret;
+
+ /* ERRORS */
+open_failed:
+ {
+ return GST_STATE_CHANGE_FAILURE;
+ }
+}
diff --git a/src/gst/gstpipewiresrc.h b/src/gst/gstpipewiresrc.h
new file mode 100644
index 0000000..e1def85
--- /dev/null
+++ b/src/gst/gstpipewiresrc.h
@@ -0,0 +1,110 @@
+/* GStreamer
+ *
+ * Copyright © 2018 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef __GST_PIPEWIRE_SRC_H__
+#define __GST_PIPEWIRE_SRC_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstpushsrc.h>
+
+#include <pipewire/pipewire.h>
+#include <gst/gstpipewirepool.h>
+#include <gst/gstpipewirecore.h>
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_PIPEWIRE_SRC \
+ (gst_pipewire_src_get_type())
+#define GST_PIPEWIRE_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PIPEWIRE_SRC,GstPipeWireSrc))
+#define GST_PIPEWIRE_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PIPEWIRE_SRC,GstPipeWireSrcClass))
+#define GST_IS_PIPEWIRE_SRC(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PIPEWIRE_SRC))
+#define GST_IS_PIPEWIRE_SRC_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PIPEWIRE_SRC))
+#define GST_PIPEWIRE_SRC_CAST(obj) \
+ ((GstPipeWireSrc *) (obj))
+
+typedef struct _GstPipeWireSrc GstPipeWireSrc;
+typedef struct _GstPipeWireSrcClass GstPipeWireSrcClass;
+
+/**
+ * GstPipeWireSrc:
+ *
+ * Opaque data structure.
+ */
+struct _GstPipeWireSrc {
+ GstPushSrc element;
+
+ /*< private >*/
+ gchar *path;
+ gchar *target_object;
+ gchar *client_name;
+ gboolean always_copy;
+ gint min_buffers;
+ gint max_buffers;
+ int fd;
+ gboolean resend_last;
+ gint keepalive_time;
+
+ GstCaps *caps;
+
+ gboolean negotiated;
+ gboolean flushing;
+ gboolean started;
+ gboolean eos;
+
+ gboolean is_live;
+ GstClockTime min_latency;
+ GstClockTime max_latency;
+
+ GstStructure *client_properties;
+ GstPipeWireCore *core;
+ struct spa_hook core_listener;
+ int last_seq;
+ int pending_seq;
+
+ struct pw_stream *stream;
+ struct spa_hook stream_listener;
+
+ GstBuffer *last_buffer;
+ GstStructure *stream_properties;
+
+ GstPipeWirePool *pool;
+ GstClock *clock;
+ GstClockTime last_time;
+
+ enum spa_meta_videotransform_value transform_value;
+};
+
+struct _GstPipeWireSrcClass {
+ GstPushSrcClass parent_class;
+};
+
+GType gst_pipewire_src_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_PIPEWIRE_SRC_H__ */
diff --git a/src/gst/meson.build b/src/gst/meson.build
new file mode 100644
index 0000000..fd552f6
--- /dev/null
+++ b/src/gst/meson.build
@@ -0,0 +1,33 @@
+pipewire_gst_sources = [
+ 'gstpipewire.c',
+ 'gstpipewirecore.c',
+ 'gstpipewireclock.c',
+ 'gstpipewireformat.c',
+ 'gstpipewirepool.c',
+ 'gstpipewiresink.c',
+ 'gstpipewiresrc.c',
+]
+
+if get_option('gstreamer-device-provider').allowed()
+ pipewire_gst_sources += [ 'gstpipewiredeviceprovider.c' ]
+endif
+
+pipewire_gst_headers = [
+ 'gstpipewireclock.h',
+ 'gstpipewirecore.h',
+ 'gstpipewiredeviceprovider.h',
+ 'gstpipewireformat.h',
+ 'gstpipewirepool.h',
+ 'gstpipewiresink.h',
+ 'gstpipewiresrc.h',
+]
+
+pipewire_gst = shared_library('gstpipewire',
+ pipewire_gst_sources,
+ include_directories : [ configinc ],
+ dependencies : [ spa_dep, gst_dep, pipewire_dep ],
+ install : true,
+ install_dir : '@0@/gstreamer-1.0'.format(get_option('libdir')),
+)
+
+plugins = [pipewire_gst]