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qtdemux: Add more prose to the comment of gst_qtdemux_find_sample()

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https://bugzilla.gnome.org/show_bug.cgi?id=792910
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Alicia Boya García 2018-01-25 20:48:42 +01:00 committed by Tim-Philipp Müller
parent 1bb4b83e9a
commit ac46d5c2a3
1 changed files with 13 additions and 3 deletions
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16
gst/isomp4/qtdemux.c
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@ -1823,9 +1823,19 @@ index_failed:
} }
} }
/* stream/index return sample that is min/max w.r.t. byte position, /* Find, for each track, the first sample in coding order that has a file offset >= @byte_pos.
* time is min/max w.r.t. time of samples, *
* the latter need not be time of the former sample */ * If @fw is false, the coding order is explored backwards.
*
* If @set is true, each stream will be moved to its matched sample, or EOS if no matching
* sample is found for that track.
*
* The stream and sample index of the sample with the minimum offset in the direction explored
* (see @fw) is returned in the output parameters @_stream and @_index respectively.
*
* @_time is set to the QTSAMPLE_PTS of the matched sample with the minimum QTSAMPLE_PTS in the
* direction explored, which may not always match the QTSAMPLE_PTS of the sample returned in
* @_stream and @_index. */
static void static void
gst_qtdemux_find_sample (GstQTDemux * qtdemux, gint64 byte_pos, gboolean fw, gst_qtdemux_find_sample (GstQTDemux * qtdemux, gint64 byte_pos, gboolean fw,
gboolean set, QtDemuxStream ** _stream, gint * _index, gint64 * _time) gboolean set, QtDemuxStream ** _stream, gint * _index, gint64 * _time)