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matroskamux: mark all packets of audio-only streams as keyframes

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This helps with streaming audio-only streams via multifdsink,
tcpserversink and such.

https://bugzilla.gnome.org/show_bug.cgi?id=754696
This commit is contained in:
Nicola Murino 2016-05-30 01:15:31 +02:00 committed by Tim-Philipp Müller
parent 92626d4085
commit 38265ee1a5
1 changed files with 6 additions and 5 deletions
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11
gst/matroska/matroska-mux.c
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@ -3525,6 +3525,7 @@ gst_matroska_mux_write_data (GstMatroskaMux * mux, GstMatroskaPad * collect_pad,
guint64 block_duration, duration_diff = 0;
gboolean is_video_keyframe = FALSE;
gboolean is_video_invisible = FALSE;
gboolean is_audio_only = FALSE;
GstMatroskamuxPad *pad;
gint flags = 0;
GstClockTime buffer_timestamp;
@ -3597,12 +3598,15 @@ gst_matroska_mux_write_data (GstMatroskaMux * mux, GstMatroskaPad * collect_pad,
}
}
is_audio_only = (collect_pad->track->type == GST_MATROSKA_TRACK_TYPE_AUDIO) &&
(mux->num_streams == 1);
if (mux->cluster) {
/* start a new cluster at every keyframe, at every GstForceKeyUnit event,
* or when we may be reaching the limit of the relative timestamp */
if (mux->cluster_time +
mux->max_cluster_duration < buffer_timestamp
|| is_video_keyframe || mux->force_key_unit_event) {
|| is_video_keyframe || mux->force_key_unit_event || is_audio_only) {
if (!mux->ebml_write->streamable)
gst_ebml_write_master_finish (ebml, mux->cluster);
@ -3646,10 +3650,7 @@ gst_matroska_mux_write_data (GstMatroskaMux * mux, GstMatroskaPad * collect_pad,
* the block in the cluster which contains the timestamp, should also work
* for files with multiple audio tracks.
*/
if (!mux->ebml_write->streamable &&
(is_video_keyframe ||
((collect_pad->track->type == GST_MATROSKA_TRACK_TYPE_AUDIO) &&
(mux->num_streams == 1)))) {
if (!mux->ebml_write->streamable && (is_video_keyframe || is_audio_only)) {
gint last_idx = -1;
if (mux->min_index_interval != 0) {