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avidemux: fallback to avih duration

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when we have not yet parsed the indexes (in push mode, for example) use
the duration as given in the avih header instead of -1.
This commit is contained in:
Wim Taymans 2010-01-15 18:09:15 +01:00
parent e61a71b490
commit d4301d900f
2 changed files with 19 additions and 2 deletions
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20
gst/avi/gstavidemux.c
View file

@ -524,18 +524,24 @@ gst_avi_demux_handle_src_query (GstPad * pad, GstQuery * query)
case GST_QUERY_DURATION:
{
GstFormat fmt;
GstClockTime duration;
/* only act on audio or video streams */
if (stream->strh->type != GST_RIFF_FCC_auds &&
stream->strh->type != GST_RIFF_FCC_vids) {
res = FALSE;
break;
}
/* take stream duration, fall back to avih duration */
if ((duration = stream->duration) == -1)
duration = avi->duration;
gst_query_parse_duration (query, &fmt, NULL);
switch (fmt) {
case GST_FORMAT_TIME:
gst_query_set_duration (query, fmt, stream->duration);
gst_query_set_duration (query, fmt, duration);
break;
case GST_FORMAT_DEFAULT:
{
@ -546,7 +552,7 @@ gst_avi_demux_handle_src_query (GstPad * pad, GstQuery * query)
if (stream->idx_n >= 0)
gst_query_set_duration (query, fmt, stream->idx_n);
else if (gst_pad_query_convert (pad, GST_FORMAT_TIME,
stream->duration, &fmt, &dur))
duration, &fmt, &dur))
gst_query_set_duration (query, fmt, dur);
break;
}
@ -1011,6 +1017,7 @@ gst_avi_demux_parse_avih (GstElement * element,
GstBuffer * buf, gst_riff_avih ** _avih)
{
gst_riff_avih *avih;
GstAviDemux *avi = GST_AVI_DEMUX (element);
if (buf == NULL)
goto no_buffer;
@ -1057,6 +1064,15 @@ gst_avi_demux_parse_avih (GstElement * element,
*_avih = avih;
gst_buffer_unref (buf);
if (avih->us_frame != 0 && avih->tot_frames != 0)
avi->duration =
(guint64) avih->us_frame * (guint64) avih->tot_frames * 1000;
else
avi->duration = GST_CLOCK_TIME_NONE;
GST_INFO_OBJECT (element, " header duration %" GST_TIME_FORMAT,
GST_TIME_ARGS (avi->duration));
return TRUE;
/* ERRORS */

1
gst/avi/gstavidemux.h
View file

@ -174,6 +174,7 @@ typedef struct _GstAviDemux {
/* some stream info for length */
gst_riff_avih *avih;
GstClockTime duration;
/* segment in TIME */
GstSegment segment;