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gst/avi/gstavidemux.c: GStreamer timestamps are PTS values while AVI only knows about DTS timestamps. Make sure we on...

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Original commit message from CVS:
* gst/avi/gstavidemux.c: (gst_avi_demux_process_next_entry),
(gst_avi_demux_stream_data):
GStreamer timestamps are PTS values while AVI only knows about DTS
timestamps. Make sure we only copy the DTS as the buffer timestamp when
we are dealing with a key frame.
This commit is contained in:
Wim Taymans 2008-01-29 18:24:28 +00:00
parent 956ae25e78
commit bc1734ac89
2 changed files with 21 additions and 3 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2008-01-29 Wim Taymans <wim.taymans@collabora.co.uk>
* gst/avi/gstavidemux.c: (gst_avi_demux_process_next_entry),
(gst_avi_demux_stream_data):
GStreamer timestamps are PTS values while AVI only knows about DTS
timestamps. Make sure we only copy the DTS as the buffer timestamp when
we are dealing with a key frame.
2008-01-29 Stefan Kost <ensonic@users.sf.net> 2008-01-29 Stefan Kost <ensonic@users.sf.net>
* tests/check/Makefile.am: * tests/check/Makefile.am:

16
gst/avi/gstavidemux.c
View file

@ -3427,10 +3427,17 @@ gst_avi_demux_process_next_entry (GstAviDemux * avi)
buf = gst_avi_demux_invert (stream, buf); buf = gst_avi_demux_invert (stream, buf);
/* mark non-keyframes */ /* mark non-keyframes */
if (!(entry->flags & GST_AVI_INDEX_ENTRY_FLAG_KEYFRAME)) if (!(entry->flags & GST_AVI_INDEX_ENTRY_FLAG_KEYFRAME)) {
GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT); GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
/* AVI stores DTS as the timestamps and we don't have a way to put a DTS
GST_BUFFER_TIMESTAMP (buf) = entry->ts; * on a buffer yet (TIMESTAMP is PTS). We therefore only copy the DTS
* if we are dealing with a keyframe. Decoders are supposed to
* interpollate the timestamps based on framerate, which is exactly
* what we do too when constructing the index */
GST_BUFFER_TIMESTAMP (buf) = GST_CLOCK_TIME_NONE;
} else {
GST_BUFFER_TIMESTAMP (buf) = entry->ts;
}
GST_BUFFER_DURATION (buf) = entry->dur; GST_BUFFER_DURATION (buf) = entry->dur;
GST_BUFFER_OFFSET (buf) = GST_BUFFER_OFFSET_NONE; GST_BUFFER_OFFSET (buf) = GST_BUFFER_OFFSET_NONE;
GST_BUFFER_OFFSET_END (buf) = GST_BUFFER_OFFSET_NONE; GST_BUFFER_OFFSET_END (buf) = GST_BUFFER_OFFSET_NONE;
@ -3627,6 +3634,9 @@ gst_avi_demux_stream_data (GstAviDemux * avi)
if (format != GST_FORMAT_TIME) if (format != GST_FORMAT_TIME)
goto wrong_format; goto wrong_format;
/* FIXME. this is always the DTS, not the PTS. We should only set the
* TIMESTAMP to the PTS (which is == PTS on I frames but we don't know
* about keyframes here */
GST_BUFFER_TIMESTAMP (buf) = next_ts; GST_BUFFER_TIMESTAMP (buf) = next_ts;
GST_BUFFER_DURATION (buf) = dur_ts - next_ts; GST_BUFFER_DURATION (buf) = dur_ts - next_ts;
gst_buffer_set_caps (buf, GST_PAD_CAPS (stream->pad)); gst_buffer_set_caps (buf, GST_PAD_CAPS (stream->pad));