Adding upstream version 0.3.65.upstream/0.3.65upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 211 insertions, 0 deletions

diff --git a/src/modules/module-protocol-pulse/sample-play.c b/src/modules/module-protocol-pulse/sample-play.c
new file mode 100644
index 0000000..37c68a3
--- /dev/null
+++ b/src/modules/module-protocol-pulse/sample-play.c
@@ -0,0 +1,211 @@
+/* PipeWire
+ *
+ * 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 <stdint.h>
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <spa/node/io.h>
+#include <spa/param/audio/raw.h>
+#include <spa/pod/builder.h>
+#include <spa/utils/hook.h>
+#include <pipewire/context.h>
+#include <pipewire/core.h>
+#include <pipewire/log.h>
+#include <pipewire/properties.h>
+#include <pipewire/stream.h>
+
+#include "format.h"
+#include "log.h"
+#include "sample.h"
+#include "sample-play.h"
+
+static void sample_play_stream_state_changed(void *data, enum pw_stream_state old,
+					     enum pw_stream_state state, const char *error)
+{
+	struct sample_play *p = data;
+
+	switch (state) {
+	case PW_STREAM_STATE_UNCONNECTED:
+	case PW_STREAM_STATE_ERROR:
+		sample_play_emit_done(p, -EIO);
+		break;
+	case PW_STREAM_STATE_PAUSED:
+		p->id = pw_stream_get_node_id(p->stream);
+		sample_play_emit_ready(p, p->id);
+		break;
+	default:
+		break;
+	}
+}
+
+static void sample_play_stream_destroy(void *data)
+{
+	struct sample_play *p = data;
+
+	pw_log_info("destroy %s", p->sample->name);
+
+	spa_hook_remove(&p->listener);
+	p->stream = NULL;
+
+	sample_unref(p->sample);
+	p->sample = NULL;
+}
+
+static void sample_play_stream_process(void *data)
+{
+	struct sample_play *p = data;
+	struct sample *s = p->sample;
+	struct pw_buffer *b;
+	struct spa_buffer *buf;
+	uint32_t size;
+	uint8_t *d;
+
+	if (p->offset >= s->length) {
+		pw_stream_flush(p->stream, true);
+		return;
+	}
+
+	size = s->length - p->offset;
+
+	if ((b = pw_stream_dequeue_buffer(p->stream)) == NULL) {
+		pw_log_warn("out of buffers: %m");
+		return;
+	}
+
+	buf = b->buffer;
+	if ((d = buf->datas[0].data) == NULL)
+		return;
+
+	size = SPA_MIN(size, buf->datas[0].maxsize);
+	if (b->requested)
+		size = SPA_MIN(size, b->requested * p->stride);
+
+	memcpy(d, s->buffer + p->offset, size);
+
+	p->offset += size;
+
+	buf->datas[0].chunk->offset = 0;
+	buf->datas[0].chunk->stride = p->stride;
+	buf->datas[0].chunk->size = size;
+
+	pw_stream_queue_buffer(p->stream, b);
+}
+
+static void sample_play_stream_drained(void *data)
+{
+	struct sample_play *p = data;
+
+	sample_play_emit_done(p, 0);
+}
+
+static const struct pw_stream_events sample_play_stream_events = {
+	PW_VERSION_STREAM_EVENTS,
+	.state_changed = sample_play_stream_state_changed,
+	.destroy = sample_play_stream_destroy,
+	.process = sample_play_stream_process,
+	.drained = sample_play_stream_drained,
+};
+
+struct sample_play *sample_play_new(struct pw_core *core,
+				    struct sample *sample, struct pw_properties *props,
+				    size_t user_data_size)
+{
+	struct sample_play *p;
+	uint8_t buffer[1024];
+	struct spa_pod_builder b = SPA_POD_BUILDER_INIT(buffer, sizeof(buffer));
+	const struct spa_pod *params[1];
+	uint32_t n_params = 0;
+	int res;
+
+	p = calloc(1, sizeof(*p) + user_data_size);
+	if (p == NULL) {
+		res = -errno;
+		goto error_free;
+	}
+
+	p->context = pw_core_get_context(core);
+	p->main_loop = pw_context_get_main_loop(p->context);
+	spa_hook_list_init(&p->hooks);
+	p->user_data = SPA_PTROFF(p, sizeof(struct sample_play), void);
+
+	pw_properties_update(props, &sample->props->dict);
+
+	p->stream = pw_stream_new(core, sample->name, props);
+	props = NULL;
+	if (p->stream == NULL) {
+		res = -errno;
+		goto error_free;
+	}
+
+	/* safe to increment the reference count here because it will be decreased
+	   by the stream's 'destroy' event handler, which will be called
+	   (even if `pw_stream_connect()` fails) */
+	p->sample = sample_ref(sample);
+	p->stride = sample_spec_frame_size(&sample->ss);
+
+	pw_stream_add_listener(p->stream,
+			&p->listener,
+			&sample_play_stream_events, p);
+
+	params[n_params++] = format_build_param(&b, SPA_PARAM_EnumFormat,
+			&sample->ss, &sample->map);
+
+	res = pw_stream_connect(p->stream,
+			PW_DIRECTION_OUTPUT,
+			PW_ID_ANY,
+			PW_STREAM_FLAG_AUTOCONNECT |
+			PW_STREAM_FLAG_MAP_BUFFERS |
+			PW_STREAM_FLAG_RT_PROCESS,
+			params, n_params);
+	if (res < 0)
+		goto error_cleanup;
+
+	return p;
+
+error_cleanup:
+	pw_stream_destroy(p->stream);
+error_free:
+	pw_properties_free(props);
+	free(p);
+	errno = -res;
+	return NULL;
+}
+
+void sample_play_destroy(struct sample_play *p)
+{
+	if (p->stream)
+		pw_stream_destroy(p->stream);
+
+	spa_hook_list_clean(&p->hooks);
+
+	free(p);
+}
+
+void sample_play_add_listener(struct sample_play *p, struct spa_hook *listener,
+			      const struct sample_play_events *events, void *data)
+{
+	spa_hook_list_append(&p->hooks, listener, events, data);
+}