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qtdemux: avoid crashing on dash streams
DASH/fragmented moov might have no samples as those are carried in moof fragments. Avoid crashing or failing the stream because of that.
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1 changed files with 6 additions and 4 deletions
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@ -9053,14 +9053,16 @@ qtdemux_prepare_streams (GstQTDemux * qtdemux)
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}
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}
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/* parse the initial sample for use in setting the frame rate cap */
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/* parse the initial sample for use in setting the frame rate cap */
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while (sample_num == 0) {
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while (sample_num == 0 && sample_num < stream->n_samples) {
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if (!qtdemux_parse_samples (qtdemux, stream, sample_num))
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if (!qtdemux_parse_samples (qtdemux, stream, sample_num))
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break;
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break;
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++sample_num;
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++sample_num;
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}
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}
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stream->first_duration = stream->samples[0].duration;
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if (stream->n_samples > 0 && stream->stbl_index > 0) {
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GST_LOG_OBJECT (qtdemux, "stream %d first duration %u",
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stream->first_duration = stream->samples[0].duration;
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stream->track_id, stream->first_duration);
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GST_LOG_OBJECT (qtdemux, "stream %d first duration %u",
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stream->track_id, stream->first_duration);
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}
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}
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}
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return ret;
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return ret;
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