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flvdemux: Push nominal bitrate tags

Browse source 
Add per-stream tag lists, which are used to send nominal
bitrate tags. When remuxing FLV => FLV, this now passes
through the upstream bitrate.

https://bugzilla.gnome.org/show_bug.cgi?id=768440
This commit is contained in:
Jan Alexander Steffens (heftig) 2016-07-06 09:25:00 +02:00 committed by Sebastian Dröge
parent ee44e60f7b
commit b3cfbe575c
2 changed files with 42 additions and 0 deletions
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40
gst/flv/gstflvdemux.c
View file

@ -370,6 +370,12 @@ gst_flv_demux_parse_metadata_item (GstFlvDemux * demux, GstByteReader * reader,
demux->h = d;
} else if (!strcmp (tag_name, "framerate")) {
demux->framerate = d;
} else if (!strcmp (tag_name, "audiodatarate")) {
gst_tag_list_add (demux->audio_tags, GST_TAG_MERGE_REPLACE,
GST_TAG_NOMINAL_BITRATE, (guint) (d * 1024), NULL);
} else if (!strcmp (tag_name, "videodatarate")) {
gst_tag_list_add (demux->video_tags, GST_TAG_MERGE_REPLACE,
GST_TAG_NOMINAL_BITRATE, (guint) (d * 1024), NULL);
} else {
GST_INFO_OBJECT (demux, "Tag \'%s\' not handled", tag_name);
}
@ -573,6 +579,16 @@ gst_flv_demux_clear_tags (GstFlvDemux * demux)
}
demux->taglist = gst_tag_list_new_empty ();
gst_tag_list_set_scope (demux->taglist, GST_TAG_SCOPE_GLOBAL);
if (demux->audio_tags) {
gst_tag_list_unref (demux->audio_tags);
}
demux->audio_tags = gst_tag_list_new_empty ();
if (demux->video_tags) {
gst_tag_list_unref (demux->video_tags);
}
demux->video_tags = gst_tag_list_new_empty ();
}
static GstFlowReturn
@ -952,6 +968,20 @@ gst_flv_demux_push_tags (GstFlvDemux * demux)
gst_flv_demux_push_src_event (demux,
gst_event_new_tag (gst_tag_list_copy (demux->taglist)));
if (demux->audio_pad) {
GST_DEBUG_OBJECT (demux->audio_pad, "pushing audio %" GST_PTR_FORMAT,
demux->audio_tags);
gst_pad_push_event (demux->audio_pad,
gst_event_new_tag (gst_tag_list_copy (demux->audio_tags)));
}
if (demux->video_pad) {
GST_DEBUG_OBJECT (demux->video_pad, "pushing video %" GST_PTR_FORMAT,
demux->video_tags);
gst_pad_push_event (demux->video_pad,
gst_event_new_tag (gst_tag_list_copy (demux->video_tags)));
}
}
static gboolean
@ -3492,6 +3522,16 @@ gst_flv_demux_dispose (GObject * object)
demux->taglist = NULL;
}
if (demux->audio_tags) {
gst_tag_list_unref (demux->audio_tags);
demux->audio_tags = NULL;
}
if (demux->video_tags) {
gst_tag_list_unref (demux->video_tags);
demux->video_tags = NULL;
}
if (demux->flowcombiner) {
gst_flow_combiner_free (demux->flowcombiner);
demux->flowcombiner = NULL;

2
gst/flv/gstflvdemux.h
View file

@ -82,6 +82,8 @@ struct _GstFlvDemux
GstEvent *new_seg_event;
GstTagList *taglist;
GstTagList *audio_tags;
GstTagList *video_tags;
GstFlvDemuxState state;