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dashdemux: Skip audio streams if TRICKMODE_NO_AUDIO is given in the seek event

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We just don't expose pads for audio streams, or even download them.
This commit is contained in:
Sebastian Dröge 2016-07-28 11:27:29 +03:00
parent 269a8c5fdf
commit a7adb5cb60
2 changed files with 29 additions and 5 deletions
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32
ext/dash/gstdashdemux.c
View file

@ -583,6 +583,13 @@ gst_dash_demux_setup_all_streams (GstDashDemux * demux)
if (active_stream == NULL) if (active_stream == NULL)
continue; continue;
if (demux->trickmode_no_audio
&& active_stream->mimeType == GST_STREAM_AUDIO) {
GST_DEBUG_OBJECT (demux,
"Skipping audio stream %d because of TRICKMODE_NO_AUDIO flag", i);
continue;
}
srcpad = gst_dash_demux_create_pad (demux, active_stream); srcpad = gst_dash_demux_create_pad (demux, active_stream);
if (srcpad == NULL) if (srcpad == NULL)
continue; continue;
@ -885,6 +892,8 @@ gst_dash_demux_reset (GstAdaptiveDemux * ademux)
demux->n_audio_streams = 0; demux->n_audio_streams = 0;
demux->n_video_streams = 0; demux->n_video_streams = 0;
demux->n_subtitle_streams = 0; demux->n_subtitle_streams = 0;
demux->trickmode_no_audio = FALSE;
} }
static GstCaps * static GstCaps *
@ -1333,9 +1342,9 @@ gst_dash_demux_seek (GstAdaptiveDemux * demux, GstEvent * seek)
GstClockTime current_pos, target_pos; GstClockTime current_pos, target_pos;
guint current_period; guint current_period;
GstStreamPeriod *period; GstStreamPeriod *period;
GList *iter; GList *iter, *streams = NULL;
GstDashDemux *dashdemux = GST_DASH_DEMUX_CAST (demux); GstDashDemux *dashdemux = GST_DASH_DEMUX_CAST (demux);
gboolean switched_period = FALSE; gboolean trickmode_no_audio;
gst_event_parse_seek (seek, &rate, &format, &flags, &start_type, &start, gst_event_parse_seek (seek, &rate, &format, &flags, &start_type, &start,
&stop_type, &stop); &stop_type, &stop);
@ -1376,22 +1385,35 @@ gst_dash_demux_seek (GstAdaptiveDemux * demux, GstEvent * seek)
GST_WARNING_OBJECT (demux, "Could not find seeked Period"); GST_WARNING_OBJECT (demux, "Could not find seeked Period");
return FALSE; return FALSE;
} }
trickmode_no_audio = ! !(flags & GST_SEEK_FLAG_TRICKMODE_NO_AUDIO);
streams = demux->streams;
if (current_period != gst_mpd_client_get_period_index (dashdemux->client)) { if (current_period != gst_mpd_client_get_period_index (dashdemux->client)) {
GST_DEBUG_OBJECT (demux, "Seeking to Period %d", current_period); GST_DEBUG_OBJECT (demux, "Seeking to Period %d", current_period);
/* clean old active stream list, if any */ /* clean old active stream list, if any */
gst_active_streams_free (dashdemux->client); gst_active_streams_free (dashdemux->client);
dashdemux->trickmode_no_audio = trickmode_no_audio;
/* setup video, audio and subtitle streams, starting from the new Period */ /* setup video, audio and subtitle streams, starting from the new Period */
if (!gst_mpd_client_set_period_index (dashdemux->client, current_period) if (!gst_mpd_client_set_period_index (dashdemux->client, current_period)
|| !gst_dash_demux_setup_all_streams (dashdemux)) || !gst_dash_demux_setup_all_streams (dashdemux))
return FALSE; return FALSE;
switched_period = TRUE; streams = demux->next_streams;
} else if (dashdemux->trickmode_no_audio != trickmode_no_audio) {
/* clean old active stream list, if any */
gst_active_streams_free (dashdemux->client);
dashdemux->trickmode_no_audio = trickmode_no_audio;
/* setup video, audio and subtitle streams, starting from the new Period */
if (!gst_dash_demux_setup_all_streams (dashdemux))
return FALSE;
streams = demux->next_streams;
} }
/* Update the current sequence on all streams */ /* Update the current sequence on all streams */
for (iter = (switched_period ? demux->next_streams : demux->streams); iter; for (iter = streams; iter; iter = g_list_next (iter)) {
iter = g_list_next (iter)) {
GstDashDemuxStream *dashstream = iter->data; GstDashDemuxStream *dashstream = iter->data;
if (flags & GST_SEEK_FLAG_FLUSH) { if (flags & GST_SEEK_FLAG_FLUSH) {

2
ext/dash/gstdashdemux.h
View file

@ -105,6 +105,8 @@ struct _GstDashDemux
gint n_audio_streams; gint n_audio_streams;
gint n_video_streams; gint n_video_streams;
gint n_subtitle_streams; gint n_subtitle_streams;
gboolean trickmode_no_audio;
}; };
struct _GstDashDemuxClass struct _GstDashDemuxClass