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qtdemux: avoid crashing on dash streams

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DASH/fragmented moov might have no samples as those are carried
in moof fragments. Avoid crashing or failing the stream because
of that.
This commit is contained in:
Thiago Santos 2014-08-18 14:05:52 -03:00
parent 67255c6b49
commit fa103ca5ad
1 changed files with 6 additions and 4 deletions
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10
gst/isomp4/qtdemux.c
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@ -9053,14 +9053,16 @@ qtdemux_prepare_streams (GstQTDemux * qtdemux)
} }
/* parse the initial sample for use in setting the frame rate cap */ /* parse the initial sample for use in setting the frame rate cap */
while (sample_num == 0) { while (sample_num == 0 && sample_num < stream->n_samples) {
if (!qtdemux_parse_samples (qtdemux, stream, sample_num)) if (!qtdemux_parse_samples (qtdemux, stream, sample_num))
break; break;
++sample_num; ++sample_num;
} }
stream->first_duration = stream->samples[0].duration; if (stream->n_samples > 0 && stream->stbl_index > 0) {
GST_LOG_OBJECT (qtdemux, "stream %d first duration %u", stream->first_duration = stream->samples[0].duration;
stream->track_id, stream->first_duration); GST_LOG_OBJECT (qtdemux, "stream %d first duration %u",
stream->track_id, stream->first_duration);
}
} }
return ret; return ret;