Merge "Add primitive SFU support to bridge_softmix."
This commit is contained in:
commit
bb2f6234da
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@ -249,7 +249,7 @@ static struct ast_stream_topology *stream_echo_topology_alloc(
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}
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}
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do {
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do {
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stream = ast_stream_clone(stream);
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stream = ast_stream_clone(stream, NULL);
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if (!stream || ast_stream_topology_append_stream(res, stream) < 0) {
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if (!stream || ast_stream_topology_append_stream(res, stream) < 0) {
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ast_stream_free(stream);
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ast_stream_free(stream);
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@ -91,6 +91,9 @@ static void simple_bridge_stream_topology_changed(struct ast_bridge *bridge,
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struct ast_stream_topology *t0 = ast_channel_get_stream_topology(c0);
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struct ast_stream_topology *t0 = ast_channel_get_stream_topology(c0);
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struct ast_stream_topology *t1 = ast_channel_get_stream_topology(c1);
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struct ast_stream_topology *t1 = ast_channel_get_stream_topology(c1);
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if (bridge_channel) {
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ast_bridge_channel_stream_map(bridge_channel);
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}
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/*
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/*
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* The bridge_channel should only be NULL after both channels join
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* The bridge_channel should only be NULL after both channels join
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* the bridge and their topologies are being aligned.
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* the bridge and their topologies are being aligned.
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@ -31,7 +31,11 @@
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<support_level>core</support_level>
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<support_level>core</support_level>
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***/
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***/
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#include "asterisk.h"
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#include "asterisk/stream.h"
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#include "asterisk/test.h"
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#include "asterisk/vector.h"
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#include "bridge_softmix/include/bridge_softmix_internal.h"
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#include "bridge_softmix/include/bridge_softmix_internal.h"
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/*! The minimum sample rate of the bridge. */
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/*! The minimum sample rate of the bridge. */
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@ -54,6 +58,10 @@
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#define DEFAULT_SOFTMIX_SILENCE_THRESHOLD 2500
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#define DEFAULT_SOFTMIX_SILENCE_THRESHOLD 2500
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#define DEFAULT_SOFTMIX_TALKING_THRESHOLD 160
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#define DEFAULT_SOFTMIX_TALKING_THRESHOLD 160
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#define SOFTBRIDGE_VIDEO_DEST_PREFIX "softbridge_dest"
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#define SOFTBRIDGE_VIDEO_DEST_LEN strlen(SOFTBRIDGE_VIDEO_DEST_PREFIX)
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#define SOFTBRIDGE_VIDEO_DEST_SEPARATOR '_'
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struct softmix_stats {
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struct softmix_stats {
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/*! Each index represents a sample rate used above the internal rate. */
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/*! Each index represents a sample rate used above the internal rate. */
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unsigned int sample_rates[16];
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unsigned int sample_rates[16];
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@ -401,6 +409,215 @@ static void softmix_bridge_unsuspend(struct ast_bridge *bridge, struct ast_bridg
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}
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}
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}
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}
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/*!
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* \brief Determine if a stream is a video source stream.
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*
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* \param stream The stream to test
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* \retval 1 The stream is a video source
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* \retval 0 The stream is not a video source
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*/
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static int is_video_source(const struct ast_stream *stream)
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{
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if (ast_stream_get_type(stream) == AST_MEDIA_TYPE_VIDEO &&
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strncmp(ast_stream_get_name(stream), SOFTBRIDGE_VIDEO_DEST_PREFIX,
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SOFTBRIDGE_VIDEO_DEST_LEN)) {
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return 1;
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}
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return 0;
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}
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/*!
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* \brief Determine if a stream is a video destination stream.
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*
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* A source channel name can be provided to narrow this to a destination stream
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* for a particular source channel. Further, a source stream name can be provided
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* to narrow this to a particular source stream's destination. However, empty strings
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* can be provided to match any destination video stream, regardless of source channel
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* or source stream.
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*
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* \param stream The stream to test
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* \param source_channel_name The name of a source video channel to match
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* \param source_stream_name The name of the source video stream to match
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* \retval 1 The stream is a video destination stream
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* \retval 0 The stream is not a video destination stream
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*/
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static int is_video_dest(const struct ast_stream *stream, const char *source_channel_name,
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const char *source_stream_name)
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{
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char *dest_video_name;
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size_t dest_video_name_len;
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if (ast_stream_get_type(stream) != AST_MEDIA_TYPE_VIDEO) {
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return 0;
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}
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dest_video_name_len = SOFTBRIDGE_VIDEO_DEST_LEN + 1;
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if (!ast_strlen_zero(source_channel_name)) {
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dest_video_name_len += strlen(source_channel_name) + 1;
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if (!ast_strlen_zero(source_stream_name)) {
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dest_video_name_len += strlen(source_stream_name) + 1;
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}
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}
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dest_video_name = ast_alloca(dest_video_name_len);
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if (!ast_strlen_zero(source_channel_name)) {
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if (!ast_strlen_zero(source_stream_name)) {
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snprintf(dest_video_name, dest_video_name_len, "%s%c%s%c%s",
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SOFTBRIDGE_VIDEO_DEST_PREFIX, SOFTBRIDGE_VIDEO_DEST_SEPARATOR,
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source_channel_name, SOFTBRIDGE_VIDEO_DEST_SEPARATOR,
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source_stream_name);
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return !strcmp(ast_stream_get_name(stream), dest_video_name);
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} else {
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snprintf(dest_video_name, dest_video_name_len, "%s%c%s",
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SOFTBRIDGE_VIDEO_DEST_PREFIX, SOFTBRIDGE_VIDEO_DEST_SEPARATOR,
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source_channel_name);
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return !strncmp(ast_stream_get_name(stream), dest_video_name, dest_video_name_len - 1);
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}
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} else {
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snprintf(dest_video_name, dest_video_name_len, "%s",
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SOFTBRIDGE_VIDEO_DEST_PREFIX);
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return !strncmp(ast_stream_get_name(stream), dest_video_name, dest_video_name_len - 1);
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}
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return 0;
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}
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static int append_source_streams(struct ast_stream_topology *dest,
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const char *channel_name,
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const struct ast_stream_topology *source)
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{
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int i;
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for (i = 0; i < ast_stream_topology_get_count(source); ++i) {
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struct ast_stream *stream;
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struct ast_stream *stream_clone;
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char *stream_clone_name;
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size_t stream_clone_name_len;
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stream = ast_stream_topology_get_stream(source, i);
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if (!is_video_source(stream)) {
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continue;
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}
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/* The +3 is for the two underscore separators and null terminator */
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stream_clone_name_len = SOFTBRIDGE_VIDEO_DEST_LEN + strlen(channel_name) + strlen(ast_stream_get_name(stream)) + 3;
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stream_clone_name = ast_alloca(stream_clone_name_len);
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snprintf(stream_clone_name, stream_clone_name_len, "%s_%s_%s", SOFTBRIDGE_VIDEO_DEST_PREFIX,
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channel_name, ast_stream_get_name(stream));
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stream_clone = ast_stream_clone(stream, stream_clone_name);
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if (!stream_clone) {
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return -1;
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}
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if (ast_stream_topology_append_stream(dest, stream_clone) < 0) {
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ast_stream_free(stream_clone);
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return -1;
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}
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}
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return 0;
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}
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static int append_all_streams(struct ast_stream_topology *dest,
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const struct ast_stream_topology *source)
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{
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int i;
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for (i = 0; i < ast_stream_topology_get_count(source); ++i) {
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struct ast_stream *clone;
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clone = ast_stream_clone(ast_stream_topology_get_stream(source, i), NULL);
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if (!clone) {
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return -1;
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}
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if (ast_stream_topology_append_stream(dest, clone) < 0) {
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ast_stream_free(clone);
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return -1;
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}
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}
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return 0;
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}
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/*!
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* \brief Issue channel stream topology change requests.
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*
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* When in SFU mode, each participant needs to be able to
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* send video directly to other participants in the bridge.
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* This means that all participants need to have their topologies
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* updated. The joiner needs to have destination streams for
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* all current participants, and the current participants need
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* to have destinations streams added for the joiner's sources.
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*
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* \param joiner The channel that is joining the softmix bridge
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* \param participants The current participants in the softmix bridge
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*/
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static void sfu_topologies_on_join(struct ast_bridge_channel *joiner, struct ast_bridge_channels_list *participants)
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{
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struct ast_stream_topology *joiner_topology = NULL;
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struct ast_stream_topology *joiner_video = NULL;
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struct ast_stream_topology *existing_video = NULL;
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struct ast_bridge_channel *participant;
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joiner_video = ast_stream_topology_alloc();
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if (!joiner_video) {
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return;
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}
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if (append_source_streams(joiner_video, ast_channel_name(joiner->chan), ast_channel_get_stream_topology(joiner->chan))) {
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goto cleanup;
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}
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existing_video = ast_stream_topology_alloc();
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if (!existing_video) {
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goto cleanup;
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}
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AST_LIST_TRAVERSE(participants, participant, entry) {
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if (participant == joiner) {
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continue;
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}
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if (append_source_streams(existing_video, ast_channel_name(participant->chan),
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ast_channel_get_stream_topology(participant->chan))) {
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goto cleanup;
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}
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}
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joiner_topology = ast_stream_topology_clone(ast_channel_get_stream_topology(joiner->chan));
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if (!joiner_topology) {
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goto cleanup;
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}
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if (append_all_streams(joiner_topology, existing_video)) {
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goto cleanup;
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}
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ast_channel_request_stream_topology_change(joiner->chan, joiner_topology, NULL);
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|
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AST_LIST_TRAVERSE(participants, participant, entry) {
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struct ast_stream_topology *participant_topology;
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|
|
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|
if (participant == joiner) {
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|
continue;
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}
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participant_topology = ast_stream_topology_clone(ast_channel_get_stream_topology(joiner->chan));
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|
if (!participant_topology) {
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|
goto cleanup;
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|
}
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|
if (append_all_streams(participant_topology, joiner_video)) {
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ast_stream_topology_free(participant_topology);
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goto cleanup;
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|
}
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ast_channel_request_stream_topology_change(participant->chan, participant_topology, NULL);
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|
ast_stream_topology_free(participant_topology);
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|
}
|
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|
|
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|
cleanup:
|
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|
ast_stream_topology_free(joiner_video);
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|
ast_stream_topology_free(existing_video);
|
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|
ast_stream_topology_free(joiner_topology);
|
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|
}
|
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|
|
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/*! \brief Function called when a channel is joined into the bridge */
|
/*! \brief Function called when a channel is joined into the bridge */
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static int softmix_bridge_join(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
|
static int softmix_bridge_join(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
|
||||||
{
|
{
|
||||||
|
@ -464,19 +681,84 @@ static int softmix_bridge_join(struct ast_bridge *bridge, struct ast_bridge_chan
|
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: DEFAULT_SOFTMIX_INTERVAL,
|
: DEFAULT_SOFTMIX_INTERVAL,
|
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bridge_channel, 0, set_binaural, pos_id, is_announcement);
|
bridge_channel, 0, set_binaural, pos_id, is_announcement);
|
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|
|
||||||
|
if (bridge->softmix.video_mode.mode == AST_BRIDGE_VIDEO_MODE_SFU) {
|
||||||
|
sfu_topologies_on_join(bridge_channel, &bridge->channels);
|
||||||
|
}
|
||||||
|
|
||||||
softmix_poke_thread(softmix_data);
|
softmix_poke_thread(softmix_data);
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static int remove_destination_streams(struct ast_stream_topology *dest,
|
||||||
|
const char *channel_name,
|
||||||
|
const struct ast_stream_topology *source)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
for (i = 0; i < ast_stream_topology_get_count(source); ++i) {
|
||||||
|
struct ast_stream *stream;
|
||||||
|
struct ast_stream *stream_clone;
|
||||||
|
|
||||||
|
stream = ast_stream_topology_get_stream(source, i);
|
||||||
|
|
||||||
|
if (is_video_dest(stream, channel_name, NULL)) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
stream_clone = ast_stream_clone(stream, NULL);
|
||||||
|
if (!stream_clone) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
if (ast_stream_topology_append_stream(dest, stream_clone) < 0) {
|
||||||
|
ast_stream_free(stream_clone);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int sfu_topologies_on_leave(struct ast_bridge_channel *leaver, struct ast_bridge_channels_list *participants)
|
||||||
|
{
|
||||||
|
struct ast_stream_topology *leaver_topology;
|
||||||
|
struct ast_bridge_channel *participant;
|
||||||
|
|
||||||
|
leaver_topology = ast_stream_topology_alloc();
|
||||||
|
if (!leaver_topology) {
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
AST_LIST_TRAVERSE(participants, participant, entry) {
|
||||||
|
struct ast_stream_topology *participant_topology;
|
||||||
|
|
||||||
|
participant_topology = ast_stream_topology_alloc();
|
||||||
|
if (!participant_topology) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
remove_destination_streams(participant_topology, ast_channel_name(leaver->chan), ast_channel_get_stream_topology(participant->chan));
|
||||||
|
ast_channel_request_stream_topology_change(participant->chan, participant_topology, NULL);
|
||||||
|
ast_stream_topology_free(participant_topology);
|
||||||
|
}
|
||||||
|
|
||||||
|
remove_destination_streams(leaver_topology, "", ast_channel_get_stream_topology(leaver->chan));
|
||||||
|
ast_channel_request_stream_topology_change(leaver->chan, leaver_topology, NULL);
|
||||||
|
ast_stream_topology_free(leaver_topology);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
/*! \brief Function called when a channel leaves the bridge */
|
/*! \brief Function called when a channel leaves the bridge */
|
||||||
static void softmix_bridge_leave(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
|
static void softmix_bridge_leave(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
|
||||||
{
|
{
|
||||||
|
|
||||||
struct softmix_channel *sc;
|
struct softmix_channel *sc;
|
||||||
struct softmix_bridge_data *softmix_data;
|
struct softmix_bridge_data *softmix_data;
|
||||||
softmix_data = bridge->tech_pvt;
|
softmix_data = bridge->tech_pvt;
|
||||||
sc = bridge_channel->tech_pvt;
|
sc = bridge_channel->tech_pvt;
|
||||||
|
|
||||||
|
if (bridge->softmix.video_mode.mode == AST_BRIDGE_VIDEO_MODE_SFU) {
|
||||||
|
sfu_topologies_on_leave(bridge_channel, &bridge->channels);
|
||||||
|
}
|
||||||
|
|
||||||
if (!sc) {
|
if (!sc) {
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
@ -565,6 +847,12 @@ static void softmix_bridge_write_video(struct ast_bridge *bridge, struct ast_bri
|
||||||
softmix_pass_video_top_priority(bridge, frame);
|
softmix_pass_video_top_priority(bridge, frame);
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_SFU:
|
||||||
|
/* Nothing special to do here, the bridge channel stream map will ensure the
|
||||||
|
* video goes everywhere it needs to
|
||||||
|
*/
|
||||||
|
ast_bridge_queue_everyone_else(bridge, bridge_channel, frame);
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1323,6 +1611,140 @@ static void softmix_bridge_destroy(struct ast_bridge *bridge)
|
||||||
bridge->tech_pvt = NULL;
|
bridge->tech_pvt = NULL;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/*!
|
||||||
|
* \brief Map a source stream to all of its destination streams.
|
||||||
|
*
|
||||||
|
* \param source_stream_name Name of the source stream
|
||||||
|
* \param source_channel_name Name of channel where the source stream originates
|
||||||
|
* \param bridge_stream_position The slot in the bridge where source video will come from
|
||||||
|
* \param participants The bridge_channels in the bridge
|
||||||
|
*/
|
||||||
|
static void map_source_to_destinations(const char *source_stream_name, const char *source_channel_name,
|
||||||
|
size_t bridge_stream_position, struct ast_bridge_channels_list *participants)
|
||||||
|
{
|
||||||
|
struct ast_bridge_channel *participant;
|
||||||
|
|
||||||
|
AST_LIST_TRAVERSE(participants, participant, entry) {
|
||||||
|
int i;
|
||||||
|
struct ast_stream_topology *topology;
|
||||||
|
|
||||||
|
if (!strcmp(source_channel_name, ast_channel_name(participant->chan))) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
ast_bridge_channel_lock(participant);
|
||||||
|
topology = ast_channel_get_stream_topology(participant->chan);
|
||||||
|
|
||||||
|
for (i = 0; i < ast_stream_topology_get_count(topology); ++i) {
|
||||||
|
struct ast_stream *stream;
|
||||||
|
|
||||||
|
stream = ast_stream_topology_get_stream(topology, i);
|
||||||
|
if (is_video_dest(stream, source_channel_name, source_stream_name)) {
|
||||||
|
AST_VECTOR_REPLACE(&participant->stream_map.to_channel, bridge_stream_position, i);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
ast_bridge_channel_unlock(participant);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/*\brief stream_topology_changed callback
|
||||||
|
*
|
||||||
|
* For most video modes, nothing beyond the ordinary is required.
|
||||||
|
* For the SFU case, though, we need to completely remap the streams
|
||||||
|
* in order to ensure video gets directed where it is expected to go.
|
||||||
|
*
|
||||||
|
* \param bridge The bridge
|
||||||
|
* \param bridge_channel Channel whose topology has changed
|
||||||
|
*/
|
||||||
|
static void softmix_bridge_stream_topology_changed(struct ast_bridge *bridge, struct ast_bridge_channel *bridge_channel)
|
||||||
|
{
|
||||||
|
struct ast_bridge_channel *participant;
|
||||||
|
struct ast_vector_int media_types;
|
||||||
|
int nths[AST_MEDIA_TYPE_END] = {0};
|
||||||
|
|
||||||
|
switch (bridge->softmix.video_mode.mode) {
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_NONE:
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_SINGLE_SRC:
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_TALKER_SRC:
|
||||||
|
default:
|
||||||
|
ast_bridge_channel_stream_map(bridge_channel);
|
||||||
|
return;
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_SFU:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
AST_VECTOR_INIT(&media_types, AST_MEDIA_TYPE_END);
|
||||||
|
|
||||||
|
/* First traversal: re-initialize all of the participants' stream maps */
|
||||||
|
AST_LIST_TRAVERSE(&bridge->channels, participant, entry) {
|
||||||
|
int size;
|
||||||
|
|
||||||
|
ast_bridge_channel_lock(participant);
|
||||||
|
size = ast_stream_topology_get_count(ast_channel_get_stream_topology(participant->chan));
|
||||||
|
|
||||||
|
AST_VECTOR_FREE(&participant->stream_map.to_channel);
|
||||||
|
AST_VECTOR_FREE(&participant->stream_map.to_bridge);
|
||||||
|
|
||||||
|
AST_VECTOR_INIT(&participant->stream_map.to_channel, size);
|
||||||
|
AST_VECTOR_INIT(&participant->stream_map.to_bridge, size);
|
||||||
|
ast_bridge_channel_unlock(participant);
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Second traversal: Map specific video channels from their source to their destinations.
|
||||||
|
*
|
||||||
|
* This is similar to what is done in ast_stream_topology_map(), except that
|
||||||
|
* video channels are handled differently. Each video source has it's own
|
||||||
|
* unique index on the bridge. this way, a particular channel's source video
|
||||||
|
* can be distributed to the appropriate destination streams on the other
|
||||||
|
* channels
|
||||||
|
*/
|
||||||
|
AST_LIST_TRAVERSE(&bridge->channels, participant, entry) {
|
||||||
|
int i;
|
||||||
|
struct ast_stream_topology *topology;
|
||||||
|
|
||||||
|
topology = ast_channel_get_stream_topology(participant->chan);
|
||||||
|
|
||||||
|
for (i = 0; i < ast_stream_topology_get_count(topology); ++i) {
|
||||||
|
struct ast_stream *stream = ast_stream_topology_get_stream(topology, i);
|
||||||
|
ast_bridge_channel_lock(participant);
|
||||||
|
if (is_video_source(stream)) {
|
||||||
|
AST_VECTOR_APPEND(&media_types, AST_MEDIA_TYPE_VIDEO);
|
||||||
|
AST_VECTOR_REPLACE(&participant->stream_map.to_bridge, i, AST_VECTOR_SIZE(&media_types) - 1);
|
||||||
|
AST_VECTOR_REPLACE(&participant->stream_map.to_channel, AST_VECTOR_SIZE(&media_types) - 1, -1);
|
||||||
|
/* Unlock the participant to prevent potential deadlock
|
||||||
|
* in map_source_to_destinations
|
||||||
|
*/
|
||||||
|
ast_bridge_channel_unlock(participant);
|
||||||
|
map_source_to_destinations(ast_stream_get_name(stream), ast_channel_name(participant->chan),
|
||||||
|
AST_VECTOR_SIZE(&media_types) - 1, &bridge->channels);
|
||||||
|
ast_bridge_channel_lock(participant);
|
||||||
|
} else if (is_video_dest(stream, NULL, NULL)) {
|
||||||
|
/* We expect to never read media from video destination channels, but just
|
||||||
|
* in case, we should set their to_bridge value to -1.
|
||||||
|
*/
|
||||||
|
AST_VECTOR_REPLACE(&participant->stream_map.to_bridge, i, -1);
|
||||||
|
} else {
|
||||||
|
/* XXX This is copied from ast_stream_topology_map(). This likely could
|
||||||
|
* be factored out in some way
|
||||||
|
*/
|
||||||
|
enum ast_media_type type = ast_stream_get_type(stream);
|
||||||
|
int index = AST_VECTOR_GET_INDEX_NTH(&media_types, ++nths[type],
|
||||||
|
type, AST_VECTOR_ELEM_DEFAULT_CMP);
|
||||||
|
|
||||||
|
if (index == -1) {
|
||||||
|
AST_VECTOR_APPEND(&media_types, type);
|
||||||
|
index = AST_VECTOR_SIZE(&media_types) - 1;
|
||||||
|
}
|
||||||
|
|
||||||
|
AST_VECTOR_REPLACE(&participant->stream_map.to_bridge, i, index);
|
||||||
|
AST_VECTOR_REPLACE(&participant->stream_map.to_channel, index, i);
|
||||||
|
}
|
||||||
|
ast_bridge_channel_unlock(participant);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
static struct ast_bridge_technology softmix_bridge = {
|
static struct ast_bridge_technology softmix_bridge = {
|
||||||
.name = "softmix",
|
.name = "softmix",
|
||||||
.capabilities = AST_BRIDGE_CAPABILITY_MULTIMIX,
|
.capabilities = AST_BRIDGE_CAPABILITY_MULTIMIX,
|
||||||
|
@ -1334,11 +1756,301 @@ static struct ast_bridge_technology softmix_bridge = {
|
||||||
.leave = softmix_bridge_leave,
|
.leave = softmix_bridge_leave,
|
||||||
.unsuspend = softmix_bridge_unsuspend,
|
.unsuspend = softmix_bridge_unsuspend,
|
||||||
.write = softmix_bridge_write,
|
.write = softmix_bridge_write,
|
||||||
|
.stream_topology_changed = softmix_bridge_stream_topology_changed,
|
||||||
};
|
};
|
||||||
|
|
||||||
|
#ifdef TEST_FRAMEWORK
|
||||||
|
struct stream_parameters {
|
||||||
|
const char *name;
|
||||||
|
const char *formats;
|
||||||
|
enum ast_media_type type;
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct ast_stream_topology *build_topology(const struct stream_parameters *params, size_t num_streams)
|
||||||
|
{
|
||||||
|
struct ast_stream_topology *topology;
|
||||||
|
size_t i;
|
||||||
|
|
||||||
|
topology = ast_stream_topology_alloc();
|
||||||
|
if (!topology) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < num_streams; ++i) {
|
||||||
|
RAII_VAR(struct ast_format_cap *, caps, NULL, ao2_cleanup);
|
||||||
|
struct ast_stream *stream;
|
||||||
|
|
||||||
|
caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
|
||||||
|
if (!caps) {
|
||||||
|
goto fail;
|
||||||
|
}
|
||||||
|
if (ast_format_cap_update_by_allow_disallow(caps, params[i].formats, 1) < 0) {
|
||||||
|
goto fail;
|
||||||
|
}
|
||||||
|
stream = ast_stream_alloc(params[i].name, params[i].type);
|
||||||
|
if (!stream) {
|
||||||
|
goto fail;
|
||||||
|
}
|
||||||
|
ast_stream_set_formats(stream, caps);
|
||||||
|
if (ast_stream_topology_append_stream(topology, stream) < 0) {
|
||||||
|
ast_stream_free(stream);
|
||||||
|
goto fail;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return topology;
|
||||||
|
|
||||||
|
fail:
|
||||||
|
ast_stream_topology_free(topology);
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int validate_stream(struct ast_test *test, struct ast_stream *stream,
|
||||||
|
const struct stream_parameters *params)
|
||||||
|
{
|
||||||
|
struct ast_format_cap *stream_caps;
|
||||||
|
struct ast_format_cap *params_caps;
|
||||||
|
|
||||||
|
if (ast_stream_get_type(stream) != params->type) {
|
||||||
|
ast_test_status_update(test, "Expected stream type '%s' but got type '%s'\n",
|
||||||
|
ast_codec_media_type2str(params->type),
|
||||||
|
ast_codec_media_type2str(ast_stream_get_type(stream)));
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
if (strcmp(ast_stream_get_name(stream), params->name)) {
|
||||||
|
ast_test_status_update(test, "Expected stream name '%s' but got type '%s'\n",
|
||||||
|
params->name, ast_stream_get_name(stream));
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
stream_caps = ast_stream_get_formats(stream);
|
||||||
|
params_caps = ast_format_cap_alloc(AST_FORMAT_CAP_FLAG_DEFAULT);
|
||||||
|
if (!params_caps) {
|
||||||
|
ast_test_status_update(test, "Allocation error on capabilities\n");
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
ast_format_cap_update_by_allow_disallow(params_caps, params->formats, 1);
|
||||||
|
|
||||||
|
if (ast_format_cap_identical(stream_caps, params_caps)) {
|
||||||
|
ast_test_status_update(test, "Formats are not as expected on stream '%s'\n",
|
||||||
|
ast_stream_get_name(stream));
|
||||||
|
ao2_cleanup(params_caps);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
ao2_cleanup(params_caps);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int validate_original_streams(struct ast_test *test, struct ast_stream_topology *topology,
|
||||||
|
const struct stream_parameters *params, size_t num_streams)
|
||||||
|
{
|
||||||
|
int i;
|
||||||
|
|
||||||
|
if (ast_stream_topology_get_count(topology) < num_streams) {
|
||||||
|
ast_test_status_update(test, "Topology only has %d streams. Needs to have at least %zu\n",
|
||||||
|
ast_stream_topology_get_count(topology), num_streams);
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < ARRAY_LEN(params); ++i) {
|
||||||
|
if (validate_stream(test, ast_stream_topology_get_stream(topology, i), ¶ms[i])) {
|
||||||
|
return -1;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
AST_TEST_DEFINE(sfu_append_source_streams)
|
||||||
|
{
|
||||||
|
enum ast_test_result_state res = AST_TEST_FAIL;
|
||||||
|
static const struct stream_parameters bob_streams[] = {
|
||||||
|
{ "bob_audio", "ulaw,alaw,g722,opus", AST_MEDIA_TYPE_AUDIO, },
|
||||||
|
{ "bob_video", "h264,vp8", AST_MEDIA_TYPE_VIDEO, },
|
||||||
|
};
|
||||||
|
static const struct stream_parameters alice_streams[] = {
|
||||||
|
{ "alice_audio", "ulaw,opus", AST_MEDIA_TYPE_AUDIO, },
|
||||||
|
{ "alice_video", "vp8", AST_MEDIA_TYPE_VIDEO, },
|
||||||
|
};
|
||||||
|
static const struct stream_parameters alice_dest_stream = {
|
||||||
|
"softbridge_dest_PJSIP/Bob-00000001_bob_video", "vp8", AST_MEDIA_TYPE_VIDEO,
|
||||||
|
};
|
||||||
|
static const struct stream_parameters bob_dest_stream = {
|
||||||
|
"softbridge_dest_PJSIP/Alice-00000000_alice_video", "h264,vp8", AST_MEDIA_TYPE_VIDEO,
|
||||||
|
};
|
||||||
|
struct ast_stream_topology *topology_alice = NULL;
|
||||||
|
struct ast_stream_topology *topology_bob = NULL;
|
||||||
|
|
||||||
|
switch (cmd) {
|
||||||
|
case TEST_INIT:
|
||||||
|
info->name = "sfu_append_source_streams";
|
||||||
|
info->category = "/bridges/bridge_softmix/";
|
||||||
|
info->summary = "Test appending of video streams";
|
||||||
|
info->description =
|
||||||
|
"This tests does stuff.";
|
||||||
|
return AST_TEST_NOT_RUN;
|
||||||
|
case TEST_EXECUTE:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
topology_alice = build_topology(alice_streams, ARRAY_LEN(alice_streams));
|
||||||
|
if (!topology_alice) {
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
topology_bob = build_topology(bob_streams, ARRAY_LEN(bob_streams));
|
||||||
|
if (!topology_bob) {
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (append_source_streams(topology_alice, "PJSIP/Bob-00000001", topology_bob)) {
|
||||||
|
ast_test_status_update(test, "Failed to append Bob's streams to Alice\n");
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ast_stream_topology_get_count(topology_alice) != 3) {
|
||||||
|
ast_test_status_update(test, "Alice's topology isn't large enough! It's %d but needs to be %d\n",
|
||||||
|
ast_stream_topology_get_count(topology_alice), 3);
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (validate_original_streams(test, topology_alice, alice_streams, ARRAY_LEN(alice_streams))) {
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (validate_stream(test, ast_stream_topology_get_stream(topology_alice, 2), &alice_dest_stream)) {
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (append_source_streams(topology_bob, "PJSIP/Alice-00000000", topology_alice)) {
|
||||||
|
ast_test_status_update(test, "Failed to append Alice's streams to Bob\n");
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ast_stream_topology_get_count(topology_bob) != 3) {
|
||||||
|
ast_test_status_update(test, "Bob's topology isn't large enough! It's %d but needs to be %d\n",
|
||||||
|
ast_stream_topology_get_count(topology_bob), 3);
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (validate_original_streams(test, topology_bob, bob_streams, ARRAY_LEN(bob_streams))) {
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (validate_stream(test, ast_stream_topology_get_stream(topology_bob, 2), &bob_dest_stream)) {
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
res = AST_TEST_PASS;
|
||||||
|
|
||||||
|
end:
|
||||||
|
ast_stream_topology_free(topology_alice);
|
||||||
|
ast_stream_topology_free(topology_bob);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
AST_TEST_DEFINE(sfu_remove_destination_streams)
|
||||||
|
{
|
||||||
|
enum ast_test_result_state res = AST_TEST_FAIL;
|
||||||
|
static const struct stream_parameters params[] = {
|
||||||
|
{ "alice_audio", "ulaw,alaw,g722,opus", AST_MEDIA_TYPE_AUDIO, },
|
||||||
|
{ "alice_video", "h264,vp8", AST_MEDIA_TYPE_VIDEO, },
|
||||||
|
{ "softbridge_dest_PJSIP/Bob-00000001_video", "vp8", AST_MEDIA_TYPE_VIDEO, },
|
||||||
|
{ "softbridge_dest_PJSIP/Carol-00000002_video", "h264", AST_MEDIA_TYPE_VIDEO, },
|
||||||
|
};
|
||||||
|
static const struct {
|
||||||
|
const char *channel_name;
|
||||||
|
int num_streams;
|
||||||
|
int params_index[4];
|
||||||
|
} removal_results[] = {
|
||||||
|
{ "PJSIP/Bob-00000001", 3, { 0, 1, 3, -1 }, },
|
||||||
|
{ "PJSIP/Edward-00000004", 4, { 0, 1, 2, 3 }, },
|
||||||
|
{ "", 2, { 0, 1, -1, -1 }, },
|
||||||
|
};
|
||||||
|
struct ast_stream_topology *orig = NULL;
|
||||||
|
struct ast_stream_topology *result = NULL;
|
||||||
|
int i;
|
||||||
|
|
||||||
|
switch (cmd) {
|
||||||
|
case TEST_INIT:
|
||||||
|
info->name = "sfu_remove_destination_streams";
|
||||||
|
info->category = "/bridges/bridge_softmix/";
|
||||||
|
info->summary = "Test removal of destination video streams";
|
||||||
|
info->description =
|
||||||
|
"This tests does stuff.";
|
||||||
|
return AST_TEST_NOT_RUN;
|
||||||
|
case TEST_EXECUTE:
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
orig = build_topology(params, ARRAY_LEN(params));
|
||||||
|
if (!orig) {
|
||||||
|
ast_test_status_update(test, "Unable to build initial stream topology\n");
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (i = 0; i < ARRAY_LEN(removal_results); ++i) {
|
||||||
|
int j;
|
||||||
|
|
||||||
|
result = ast_stream_topology_alloc();
|
||||||
|
if (!result) {
|
||||||
|
ast_test_status_update(test, "Unable to allocate result stream topology\n");
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (remove_destination_streams(result, removal_results[i].channel_name, orig)) {
|
||||||
|
ast_test_status_update(test, "Failure while attempting to remove video streams\n");
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (ast_stream_topology_get_count(result) != removal_results[i].num_streams) {
|
||||||
|
ast_test_status_update(test, "Resulting topology has %d streams, when %d are expected\n",
|
||||||
|
ast_stream_topology_get_count(result), removal_results[i].num_streams);
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
|
||||||
|
for (j = 0; j < removal_results[i].num_streams; ++j) {
|
||||||
|
struct ast_stream *actual;
|
||||||
|
struct ast_stream *expected;
|
||||||
|
int orig_index;
|
||||||
|
|
||||||
|
actual = ast_stream_topology_get_stream(result, j);
|
||||||
|
|
||||||
|
orig_index = removal_results[i].params_index[j];
|
||||||
|
expected = ast_stream_topology_get_stream(orig, orig_index);
|
||||||
|
|
||||||
|
if (!ast_format_cap_identical(ast_stream_get_formats(actual),
|
||||||
|
ast_stream_get_formats(expected))) {
|
||||||
|
struct ast_str *expected_str;
|
||||||
|
struct ast_str *actual_str;
|
||||||
|
|
||||||
|
expected_str = ast_str_alloca(64);
|
||||||
|
actual_str = ast_str_alloca(64);
|
||||||
|
|
||||||
|
ast_test_status_update(test, "Mismatch between expected (%s) and actual (%s) stream formats\n",
|
||||||
|
ast_format_cap_get_names(ast_stream_get_formats(expected), &expected_str),
|
||||||
|
ast_format_cap_get_names(ast_stream_get_formats(actual), &actual_str));
|
||||||
|
goto end;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
res = AST_TEST_PASS;
|
||||||
|
|
||||||
|
end:
|
||||||
|
ast_stream_topology_free(orig);
|
||||||
|
ast_stream_topology_free(result);
|
||||||
|
return res;
|
||||||
|
}
|
||||||
|
|
||||||
|
#endif
|
||||||
|
|
||||||
static int unload_module(void)
|
static int unload_module(void)
|
||||||
{
|
{
|
||||||
ast_bridge_technology_unregister(&softmix_bridge);
|
ast_bridge_technology_unregister(&softmix_bridge);
|
||||||
|
AST_TEST_UNREGISTER(sfu_append_source_streams);
|
||||||
|
AST_TEST_UNREGISTER(sfu_remove_destination_streams);
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -1348,6 +2060,8 @@ static int load_module(void)
|
||||||
unload_module();
|
unload_module();
|
||||||
return AST_MODULE_LOAD_DECLINE;
|
return AST_MODULE_LOAD_DECLINE;
|
||||||
}
|
}
|
||||||
|
AST_TEST_REGISTER(sfu_append_source_streams);
|
||||||
|
AST_TEST_REGISTER(sfu_remove_destination_streams);
|
||||||
return AST_MODULE_LOAD_SUCCESS;
|
return AST_MODULE_LOAD_SUCCESS;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
|
@ -102,6 +102,10 @@ enum ast_bridge_video_mode_type {
|
||||||
/*! A single user's video feed is distributed to all bridge channels, but
|
/*! A single user's video feed is distributed to all bridge channels, but
|
||||||
* that feed is automatically picked based on who is talking the most. */
|
* that feed is automatically picked based on who is talking the most. */
|
||||||
AST_BRIDGE_VIDEO_MODE_TALKER_SRC,
|
AST_BRIDGE_VIDEO_MODE_TALKER_SRC,
|
||||||
|
/*! Operate as a selective forwarding unit. Video from each participant is
|
||||||
|
* cloned to a dedicated stream on a subset of the remaining participants.
|
||||||
|
*/
|
||||||
|
AST_BRIDGE_VIDEO_MODE_SFU,
|
||||||
};
|
};
|
||||||
|
|
||||||
/*! \brief This is used for both SINGLE_SRC mode to set what channel
|
/*! \brief This is used for both SINGLE_SRC mode to set what channel
|
||||||
|
@ -267,6 +271,8 @@ struct ast_bridge_softmix {
|
||||||
unsigned int binaural_active;
|
unsigned int binaural_active;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
AST_LIST_HEAD_NOLOCK(ast_bridge_channels_list, ast_bridge_channel);
|
||||||
|
|
||||||
/*!
|
/*!
|
||||||
* \brief Structure that contains information about a bridge
|
* \brief Structure that contains information about a bridge
|
||||||
*/
|
*/
|
||||||
|
@ -284,7 +290,7 @@ struct ast_bridge {
|
||||||
/*! Call ID associated with the bridge */
|
/*! Call ID associated with the bridge */
|
||||||
ast_callid callid;
|
ast_callid callid;
|
||||||
/*! Linked list of channels participating in the bridge */
|
/*! Linked list of channels participating in the bridge */
|
||||||
AST_LIST_HEAD_NOLOCK(, ast_bridge_channel) channels;
|
struct ast_bridge_channels_list channels;
|
||||||
/*! Queue of actions to perform on the bridge. */
|
/*! Queue of actions to perform on the bridge. */
|
||||||
AST_LIST_HEAD_NOLOCK(, ast_frame) action_queue;
|
AST_LIST_HEAD_NOLOCK(, ast_frame) action_queue;
|
||||||
/*! Softmix technology parameters. */
|
/*! Softmix technology parameters. */
|
||||||
|
|
|
@ -121,6 +121,7 @@ void ast_stream_free(struct ast_stream *stream);
|
||||||
* \brief Create a deep clone of an existing stream
|
* \brief Create a deep clone of an existing stream
|
||||||
*
|
*
|
||||||
* \param stream The existing stream
|
* \param stream The existing stream
|
||||||
|
* \param Optional name for cloned stream. If NULL, then existing stream's name is copied.
|
||||||
*
|
*
|
||||||
* \retval non-NULL success
|
* \retval non-NULL success
|
||||||
* \retval NULL failure
|
* \retval NULL failure
|
||||||
|
@ -130,7 +131,7 @@ void ast_stream_free(struct ast_stream *stream);
|
||||||
*
|
*
|
||||||
* \since 15
|
* \since 15
|
||||||
*/
|
*/
|
||||||
struct ast_stream *ast_stream_clone(const struct ast_stream *stream);
|
struct ast_stream *ast_stream_clone(const struct ast_stream *stream, const char *name);
|
||||||
|
|
||||||
/*!
|
/*!
|
||||||
* \brief Get the name of a stream
|
* \brief Get the name of a stream
|
||||||
|
|
|
@ -3778,6 +3778,8 @@ static void cleanup_video_mode(struct ast_bridge *bridge)
|
||||||
if (bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc) {
|
if (bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc) {
|
||||||
ast_channel_unref(bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc);
|
ast_channel_unref(bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc);
|
||||||
}
|
}
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_SFU:
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
memset(&bridge->softmix.video_mode, 0, sizeof(bridge->softmix.video_mode));
|
memset(&bridge->softmix.video_mode, 0, sizeof(bridge->softmix.video_mode));
|
||||||
}
|
}
|
||||||
|
@ -3873,6 +3875,8 @@ int ast_bridge_number_video_src(struct ast_bridge *bridge)
|
||||||
if (bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc) {
|
if (bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc) {
|
||||||
res++;
|
res++;
|
||||||
}
|
}
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_SFU:
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
ast_bridge_unlock(bridge);
|
ast_bridge_unlock(bridge);
|
||||||
return res;
|
return res;
|
||||||
|
@ -3897,7 +3901,8 @@ int ast_bridge_is_video_src(struct ast_bridge *bridge, struct ast_channel *chan)
|
||||||
} else if (bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc == chan) {
|
} else if (bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc == chan) {
|
||||||
res = 2;
|
res = 2;
|
||||||
}
|
}
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_SFU:
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
ast_bridge_unlock(bridge);
|
ast_bridge_unlock(bridge);
|
||||||
return res;
|
return res;
|
||||||
|
@ -3931,6 +3936,8 @@ void ast_bridge_remove_video_src(struct ast_bridge *bridge, struct ast_channel *
|
||||||
}
|
}
|
||||||
bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc = NULL;
|
bridge->softmix.video_mode.mode_data.talker_src_data.chan_old_vsrc = NULL;
|
||||||
}
|
}
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_SFU:
|
||||||
|
break;
|
||||||
}
|
}
|
||||||
ast_bridge_unlock(bridge);
|
ast_bridge_unlock(bridge);
|
||||||
}
|
}
|
||||||
|
@ -3942,6 +3949,8 @@ const char *ast_bridge_video_mode_to_string(enum ast_bridge_video_mode_type vide
|
||||||
return "talker";
|
return "talker";
|
||||||
case AST_BRIDGE_VIDEO_MODE_SINGLE_SRC:
|
case AST_BRIDGE_VIDEO_MODE_SINGLE_SRC:
|
||||||
return "single";
|
return "single";
|
||||||
|
case AST_BRIDGE_VIDEO_MODE_SFU:
|
||||||
|
return "sfu";
|
||||||
case AST_BRIDGE_VIDEO_MODE_NONE:
|
case AST_BRIDGE_VIDEO_MODE_NONE:
|
||||||
default:
|
default:
|
||||||
return "none";
|
return "none";
|
||||||
|
|
|
@ -989,6 +989,11 @@ int ast_bridge_channel_queue_frame(struct ast_bridge_channel *bridge_channel, st
|
||||||
/* Media frames need to be mapped to an appropriate write stream */
|
/* Media frames need to be mapped to an appropriate write stream */
|
||||||
dup->stream_num = AST_VECTOR_GET(
|
dup->stream_num = AST_VECTOR_GET(
|
||||||
&bridge_channel->stream_map.to_bridge, fr->stream_num);
|
&bridge_channel->stream_map.to_bridge, fr->stream_num);
|
||||||
|
if (dup->stream_num == -1) {
|
||||||
|
ast_bridge_channel_unlock(bridge_channel);
|
||||||
|
bridge_frame_free(dup);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
} else {
|
} else {
|
||||||
dup->stream_num = -1;
|
dup->stream_num = -1;
|
||||||
}
|
}
|
||||||
|
@ -2339,7 +2344,9 @@ static void bridge_channel_handle_write(struct ast_bridge_channel *bridge_channe
|
||||||
case AST_FRAME_NULL:
|
case AST_FRAME_NULL:
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
if (fr->stream_num >= (int)AST_VECTOR_SIZE(&bridge_channel->stream_map.to_channel)) {
|
if (fr->stream_num > 0 &&
|
||||||
|
(fr->stream_num >= (int)AST_VECTOR_SIZE(&bridge_channel->stream_map.to_channel) ||
|
||||||
|
AST_VECTOR_GET(&bridge_channel->stream_map.to_channel, fr->stream_num) == -1)) {
|
||||||
/* Nowhere to write to, so drop it */
|
/* Nowhere to write to, so drop it */
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
|
@ -2473,11 +2480,11 @@ static void bridge_handle_trip(struct ast_bridge_channel *bridge_channel)
|
||||||
* If a stream topology has changed then the bridge_channel's
|
* If a stream topology has changed then the bridge_channel's
|
||||||
* media mapping needs to be updated.
|
* media mapping needs to be updated.
|
||||||
*/
|
*/
|
||||||
ast_bridge_channel_stream_map(bridge_channel);
|
|
||||||
|
|
||||||
if (bridge_channel->bridge->technology->stream_topology_changed) {
|
if (bridge_channel->bridge->technology->stream_topology_changed) {
|
||||||
bridge_channel->bridge->technology->stream_topology_changed(
|
bridge_channel->bridge->technology->stream_topology_changed(
|
||||||
bridge_channel->bridge, bridge_channel);
|
bridge_channel->bridge, bridge_channel);
|
||||||
|
} else {
|
||||||
|
ast_bridge_channel_stream_map(bridge_channel);
|
||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
default:
|
default:
|
||||||
|
|
|
@ -747,7 +747,7 @@ static struct sdp_state_capabilities *merge_capabilities(const struct ast_sdp_st
|
||||||
|
|
||||||
if (is_local) {
|
if (is_local) {
|
||||||
/* Replace the local stream with the new local stream. */
|
/* Replace the local stream with the new local stream. */
|
||||||
joint_stream = ast_stream_clone(new_stream);
|
joint_stream = ast_stream_clone(new_stream, NULL);
|
||||||
} else {
|
} else {
|
||||||
joint_stream = merge_streams(local_stream, new_stream);
|
joint_stream = merge_streams(local_stream, new_stream);
|
||||||
}
|
}
|
||||||
|
@ -800,7 +800,7 @@ static struct sdp_state_capabilities *merge_capabilities(const struct ast_sdp_st
|
||||||
/* We don't have a stream state that corresponds to the stream in the new topology, so
|
/* We don't have a stream state that corresponds to the stream in the new topology, so
|
||||||
* create a stream state as appropriate.
|
* create a stream state as appropriate.
|
||||||
*/
|
*/
|
||||||
joint_stream = ast_stream_clone(new_stream);
|
joint_stream = ast_stream_clone(new_stream, NULL);
|
||||||
if (!joint_stream) {
|
if (!joint_stream) {
|
||||||
sdp_state_stream_free(joint_state_stream);
|
sdp_state_stream_free(joint_state_stream);
|
||||||
goto fail;
|
goto fail;
|
||||||
|
|
|
@ -95,23 +95,26 @@ struct ast_stream *ast_stream_alloc(const char *name, enum ast_media_type type)
|
||||||
return stream;
|
return stream;
|
||||||
}
|
}
|
||||||
|
|
||||||
struct ast_stream *ast_stream_clone(const struct ast_stream *stream)
|
struct ast_stream *ast_stream_clone(const struct ast_stream *stream, const char *name)
|
||||||
{
|
{
|
||||||
struct ast_stream *new_stream;
|
struct ast_stream *new_stream;
|
||||||
size_t stream_size;
|
size_t stream_size;
|
||||||
int idx;
|
int idx;
|
||||||
|
const char *stream_name;
|
||||||
|
|
||||||
if (!stream) {
|
if (!stream) {
|
||||||
return NULL;
|
return NULL;
|
||||||
}
|
}
|
||||||
|
|
||||||
stream_size = sizeof(*stream) + strlen(stream->name) + 1;
|
stream_name = name ?: stream->name;
|
||||||
|
stream_size = sizeof(*stream) + strlen(stream_name) + 1;
|
||||||
new_stream = ast_calloc(1, stream_size);
|
new_stream = ast_calloc(1, stream_size);
|
||||||
if (!new_stream) {
|
if (!new_stream) {
|
||||||
return NULL;
|
return NULL;
|
||||||
}
|
}
|
||||||
|
|
||||||
memcpy(new_stream, stream, stream_size);
|
memcpy(new_stream, stream, sizeof(*new_stream));
|
||||||
|
strcpy(new_stream->name, stream_name); /* Safe */
|
||||||
if (new_stream->formats) {
|
if (new_stream->formats) {
|
||||||
ao2_ref(new_stream->formats, +1);
|
ao2_ref(new_stream->formats, +1);
|
||||||
}
|
}
|
||||||
|
@ -269,7 +272,7 @@ struct ast_stream_topology *ast_stream_topology_clone(
|
||||||
|
|
||||||
for (i = 0; i < AST_VECTOR_SIZE(&topology->streams); i++) {
|
for (i = 0; i < AST_VECTOR_SIZE(&topology->streams); i++) {
|
||||||
struct ast_stream *stream =
|
struct ast_stream *stream =
|
||||||
ast_stream_clone(AST_VECTOR_GET(&topology->streams, i));
|
ast_stream_clone(AST_VECTOR_GET(&topology->streams, i), NULL);
|
||||||
|
|
||||||
if (!stream || AST_VECTOR_APPEND(&new_topology->streams, stream)) {
|
if (!stream || AST_VECTOR_APPEND(&new_topology->streams, stream)) {
|
||||||
ast_stream_free(stream);
|
ast_stream_free(stream);
|
||||||
|
|
Loading…
Reference in New Issue