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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:28:17 +0000
commit7a46c07230b8d8108c0e8e80df4522d0ac116538 (patch)
treed483300dab478b994fe199a5d19d18d74153718a /spa/plugins/ffmpeg/ffmpeg-enc.c
parentInitial commit. (diff)
downloadpipewire-upstream/0.3.65.tar.xz
pipewire-upstream/0.3.65.zip
Adding upstream version 0.3.65.upstream/0.3.65upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'spa/plugins/ffmpeg/ffmpeg-enc.c')
-rw-r--r--spa/plugins/ffmpeg/ffmpeg-enc.c507
1 files changed, 507 insertions, 0 deletions
diff --git a/spa/plugins/ffmpeg/ffmpeg-enc.c b/spa/plugins/ffmpeg/ffmpeg-enc.c
new file mode 100644
index 0000000..6218183
--- /dev/null
+++ b/spa/plugins/ffmpeg/ffmpeg-enc.c
@@ -0,0 +1,507 @@
+/* Spa FFmpeg encoder
+ *
+ * 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 <errno.h>
+#include <stddef.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include <spa/utils/string.h>
+#include <spa/support/plugin.h>
+#include <spa/support/log.h>
+#include <spa/node/node.h>
+#include <spa/node/utils.h>
+#include <spa/node/io.h>
+#include <spa/param/video/format-utils.h>
+#include <spa/pod/filter.h>
+
+#include "ffmpeg.h"
+
+#define IS_VALID_PORT(this,d,id) ((id) == 0)
+#define GET_IN_PORT(this,p) (&this->in_ports[p])
+#define GET_OUT_PORT(this,p) (&this->out_ports[p])
+#define GET_PORT(this,d,p) (d == SPA_DIRECTION_INPUT ? GET_IN_PORT(this,p) : GET_OUT_PORT(this,p))
+
+#define MAX_BUFFERS 32
+
+struct buffer {
+ uint32_t id;
+ uint32_t flags;
+ struct spa_buffer *outbuf;
+ struct spa_list link;
+};
+
+struct port {
+ enum spa_direction direction;
+ uint32_t id;
+
+ uint64_t info_all;
+ struct spa_port_info info;
+ struct spa_param_info params[8];
+
+ struct spa_video_info current_format;
+ unsigned int have_format:1;
+
+ struct buffer buffers[MAX_BUFFERS];
+ uint32_t n_buffers;
+
+ struct spa_io_buffers *io;
+
+ struct spa_list free;
+ struct spa_list ready;
+};
+
+struct impl {
+ struct spa_handle handle;
+ struct spa_node node;
+
+ struct spa_log *log;
+
+ uint64_t info_all;
+ struct spa_node_info info;
+ struct spa_param_info params[2];
+
+ struct spa_hook_list hooks;
+
+ struct port in_ports[1];
+ struct port out_ports[1];
+
+ bool started;
+};
+
+static int impl_node_enum_params(void *object, int seq,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ return -ENOTSUP;
+}
+
+static int impl_node_set_param(void *object, uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ return -ENOTSUP;
+}
+
+static int impl_node_set_io(void *object, uint32_t id, void *data, size_t size)
+{
+ return -ENOTSUP;
+}
+
+static int impl_node_send_command(void *object, const struct spa_command *command)
+{
+ struct impl *this = object;
+
+ if (this == NULL || command == NULL)
+ return -EINVAL;
+
+ switch (SPA_NODE_COMMAND_ID(command)) {
+ case SPA_NODE_COMMAND_Start:
+ this->started = true;
+ break;
+ case SPA_NODE_COMMAND_Pause:
+ this->started = false;
+ break;
+ default:
+ return -ENOTSUP;
+ }
+ return 0;
+}
+
+static void emit_node_info(struct impl *this, bool full)
+{
+ uint64_t old = full ? this->info.change_mask : 0;
+ if (full)
+ this->info.change_mask = this->info_all;
+ if (this->info.change_mask) {
+ spa_node_emit_info(&this->hooks, &this->info);
+ this->info.change_mask = old;
+ }
+}
+
+static void emit_port_info(struct impl *this, struct port *port, bool full)
+{
+ uint64_t old = full ? port->info.change_mask : 0;
+ if (full)
+ port->info.change_mask = port->info_all;
+ if (port->info.change_mask) {
+ spa_node_emit_port_info(&this->hooks,
+ port->direction, port->id, &port->info);
+ port->info.change_mask = old;
+ }
+}
+
+static int
+impl_node_add_listener(void *object,
+ struct spa_hook *listener,
+ const struct spa_node_events *events,
+ void *data)
+{
+ struct impl *this = object;
+ struct spa_hook_list save;
+
+ spa_return_val_if_fail(this != NULL, -EINVAL);
+
+ spa_hook_list_isolate(&this->hooks, &save, listener, events, data);
+
+ emit_node_info(this, true);
+ emit_port_info(this, GET_IN_PORT(this, 0), true);
+ emit_port_info(this, GET_OUT_PORT(this, 0), true);
+
+ spa_hook_list_join(&this->hooks, &save);
+
+ return 0;
+}
+
+static int
+impl_node_set_callbacks(void *object,
+ const struct spa_node_callbacks *callbacks,
+ void *user_data)
+{
+ return 0;
+}
+
+static int
+impl_node_add_port(void *object, enum spa_direction direction, uint32_t port_id,
+ const struct spa_dict *props)
+{
+ return -ENOTSUP;
+}
+
+static int
+impl_node_remove_port(void *object,
+ enum spa_direction direction, uint32_t port_id)
+{
+ return -ENOTSUP;
+}
+
+static int port_enum_formats(void *object,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t index,
+ const struct spa_pod *filter,
+ struct spa_pod **param,
+ struct spa_pod_builder *builder)
+{
+ return -ENOTSUP;
+}
+
+static int port_get_format(void *object,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t index,
+ const struct spa_pod *filter,
+ struct spa_pod **param,
+ struct spa_pod_builder *builder)
+{
+ struct impl *this = object;
+ struct port *port;
+
+ port = GET_PORT(this, direction, port_id);
+
+ if (!port->have_format)
+ return -EIO;
+
+ if (index > 0)
+ return 0;
+
+ *param = NULL;
+
+ return 1;
+}
+
+static int
+impl_node_port_enum_params(void *object, int seq,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t id, uint32_t start, uint32_t num,
+ const struct spa_pod *filter)
+{
+ struct impl *this = object;
+ struct spa_pod_builder b = { 0 };
+ uint8_t buffer[1024];
+ struct spa_pod *param;
+ struct spa_result_node_params result;
+ uint32_t count = 0;
+ int res;
+
+ result.id = id;
+ result.next = start;
+ next:
+ result.index = result.next++;
+
+ spa_pod_builder_init(&b, buffer, sizeof(buffer));
+
+ switch (id) {
+ case SPA_PARAM_EnumFormat:
+ if ((res = port_enum_formats(this, direction, port_id,
+ result.index, filter, &param, &b)) <= 0)
+ return res;
+ break;
+
+ case SPA_PARAM_Format:
+ if ((res = port_get_format(this, direction, port_id,
+ result.index, filter, &param, &b)) <= 0)
+ return res;
+ break;
+
+ default:
+ return -ENOENT;
+ }
+
+ if (spa_pod_filter(&b, &result.param, param, filter) < 0)
+ goto next;
+
+ spa_node_emit_result(&this->hooks, seq, 0, SPA_RESULT_TYPE_NODE_PARAMS, &result);
+
+ if (++count != num)
+ goto next;
+
+ return 0;
+}
+
+static int port_set_format(void *object,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t flags, const struct spa_pod *format)
+{
+ struct impl *this = object;
+ struct port *port;
+ int res;
+
+ port = GET_PORT(this, direction, port_id);
+
+ if (format == NULL) {
+ port->have_format = false;
+ } else {
+ struct spa_video_info info = { 0 };
+
+ if ((res = spa_format_parse(format, &info.media_type, &info.media_subtype)) < 0)
+ return res;
+
+ if (info.media_type != SPA_MEDIA_TYPE_video &&
+ info.media_subtype != SPA_MEDIA_SUBTYPE_raw)
+ return -EINVAL;
+
+ if (spa_format_video_raw_parse(format, &info.info.raw) < 0)
+ return -EINVAL;
+
+ if (!(flags & SPA_NODE_PARAM_FLAG_TEST_ONLY)) {
+ port->current_format = info;
+ port->have_format = true;
+ }
+ }
+ return 0;
+}
+
+static int
+impl_node_port_set_param(void *object,
+ enum spa_direction direction, uint32_t port_id,
+ uint32_t id, uint32_t flags,
+ const struct spa_pod *param)
+{
+ if (id == SPA_PARAM_Format) {
+ return port_set_format(object, direction, port_id, flags, param);
+ }
+ else
+ return -ENOENT;
+}
+
+static int
+impl_node_port_use_buffers(void *object,
+ enum spa_direction direction,
+ uint32_t port_id,
+ uint32_t flags,
+ struct spa_buffer **buffers, uint32_t n_buffers)
+{
+ if (object == NULL)
+ return -EINVAL;
+
+ if (!IS_VALID_PORT(object, direction, port_id))
+ return -EINVAL;
+
+ return -ENOTSUP;
+}
+
+static int
+impl_node_port_set_io(void *object,
+ enum spa_direction direction,
+ uint32_t port_id,
+ uint32_t id,
+ void *data, size_t size)
+{
+ struct impl *this = object;
+ struct port *port;
+
+ if (this == NULL)
+ return -EINVAL;
+
+ if (!IS_VALID_PORT(this, direction, port_id))
+ return -EINVAL;
+
+ port = GET_PORT(this, direction, port_id);
+
+ if (id == SPA_IO_Buffers)
+ port->io = data;
+ else
+ return -ENOENT;
+
+ return 0;
+}
+
+static int
+impl_node_port_reuse_buffer(void *object, uint32_t port_id, uint32_t buffer_id)
+{
+ if (object == NULL)
+ return -EINVAL;
+
+ if (port_id != 0)
+ return -EINVAL;
+
+ return -ENOTSUP;
+}
+
+static int impl_node_process(void *object)
+{
+ struct impl *this = object;
+ struct port *port;
+ struct spa_io_buffers *output;
+
+ if (this == NULL)
+ return -EINVAL;
+
+ if ((output = this->out_ports[0].io) == NULL)
+ return -EIO;
+
+ port = &this->out_ports[0];
+
+ if (!port->have_format) {
+ output->status = -EIO;
+ return -EIO;
+ }
+ output->status = SPA_STATUS_OK;
+
+ return SPA_STATUS_OK;
+}
+
+static const struct spa_node_methods impl_node = {
+ SPA_VERSION_NODE_METHODS,
+ .add_listener = impl_node_add_listener,
+ .set_callbacks = impl_node_set_callbacks,
+ .enum_params = impl_node_enum_params,
+ .set_param = impl_node_set_param,
+ .set_io = impl_node_set_io,
+ .send_command = impl_node_send_command,
+ .add_port = impl_node_add_port,
+ .remove_port = impl_node_remove_port,
+ .port_enum_params = impl_node_port_enum_params,
+ .port_set_param = impl_node_port_set_param,
+ .port_use_buffers = impl_node_port_use_buffers,
+ .port_set_io = impl_node_port_set_io,
+ .port_reuse_buffer = impl_node_port_reuse_buffer,
+ .process = impl_node_process,
+};
+
+static int
+impl_get_interface(struct spa_handle *handle, const char *type, void **interface)
+{
+ struct impl *this;
+
+ if (handle == NULL || interface == NULL)
+ return -EINVAL;
+
+ this = (struct impl *) handle;
+
+ if (spa_streq(type, SPA_TYPE_INTERFACE_Node))
+ *interface = &this->node;
+ else
+ return -ENOENT;
+
+ return 0;
+}
+
+static int
+impl_clear(struct spa_handle *handle)
+{
+ spa_return_val_if_fail(handle != NULL, -EINVAL);
+
+ return 0;
+}
+
+size_t
+spa_ffmpeg_enc_get_size(const struct spa_handle_factory *factory, const struct spa_dict *params)
+{
+ return sizeof(struct impl);
+}
+
+int
+spa_ffmpeg_enc_init(struct spa_handle *handle,
+ const struct spa_dict *info,
+ const struct spa_support *support, uint32_t n_support)
+{
+ struct impl *this;
+ struct port *port;
+
+ handle->get_interface = impl_get_interface;
+ handle->clear = impl_clear;
+
+ this = (struct impl *) handle;
+
+ this->log = spa_support_find(support, n_support, SPA_TYPE_INTERFACE_Log);
+
+ spa_hook_list_init(&this->hooks);
+
+ this->node.iface = SPA_INTERFACE_INIT(
+ SPA_TYPE_INTERFACE_Node,
+ SPA_VERSION_NODE,
+ &impl_node, this);
+ this->info_all = SPA_NODE_CHANGE_MASK_FLAGS;
+ this->info = SPA_NODE_INFO_INIT();
+ this->info.max_input_ports = 1;
+ this->info.max_output_ports = 1;
+ this->info.flags = SPA_NODE_FLAG_RT;
+ this->info.params = this->params;
+
+ port = GET_IN_PORT(this, 0);
+ port->direction = SPA_DIRECTION_INPUT;
+ port->id = 0;
+ port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
+ SPA_PORT_CHANGE_MASK_PARAMS;
+ port->info = SPA_PORT_INFO_INIT();
+ port->info.flags = 0;
+ port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
+ port->params[1] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
+ port->info.params = port->params;
+ port->info.n_params = 2;
+
+ port = GET_OUT_PORT(this, 0);
+ port->direction = SPA_DIRECTION_OUTPUT;
+ port->id = 0;
+ port->info_all = SPA_PORT_CHANGE_MASK_FLAGS |
+ SPA_PORT_CHANGE_MASK_PARAMS;
+ port->info = SPA_PORT_INFO_INIT();
+ port->info.flags = 0;
+ port->params[0] = SPA_PARAM_INFO(SPA_PARAM_EnumFormat, SPA_PARAM_INFO_READ);
+ port->params[1] = SPA_PARAM_INFO(SPA_PARAM_Format, SPA_PARAM_INFO_WRITE);
+ port->info.params = port->params;
+ port->info.n_params = 2;
+
+ return 0;
+}