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qtdemux: fragmented support; handle ismv sample flags
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1 changed files with 5 additions and 1 deletions
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@ -1988,6 +1988,7 @@ qtdemux_parse_trun (GstQTDemux * qtdemux, GstByteReader * trun,
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guint8 *data;
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guint entry_size, dur_offset, size_offset, flags_offset, ct_offset;
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QtDemuxSample *sample;
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gboolean ismv = FALSE;
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GST_LOG_OBJECT (qtdemux, "parsing trun stream %d; "
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"default dur %d, size %d, flags 0x%x, base offset %" G_GINT64_FORMAT,
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@ -2019,6 +2020,7 @@ qtdemux_parse_trun (GstQTDemux * qtdemux, GstByteReader * trun,
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if (*base_offset == -1) {
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*base_offset = moof_offset + moof_length + 8;
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GST_LOG_OBJECT (qtdemux, "base_offset assumed in mdat after moof");
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ismv = TRUE;
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}
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}
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@ -2135,7 +2137,9 @@ qtdemux_parse_trun (GstQTDemux * qtdemux, GstByteReader * trun,
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sample->timestamp = timestamp;
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sample->duration = dur;
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/* sample-is-difference-sample */
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sample->keyframe = !(sflags & 0x10000);
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/* ismv seems to use 0x40 for keyframe, 0xc0 for non-keyframe,
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* now idea how it relates to bitfield other than massive LE/BE confusion */
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sample->keyframe = ismv ? ((sflags & 0xff) == 0x40) : !(sflags & 0x10000);
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*base_offset += size;
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timestamp += dur;
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sample++;
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