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qtdemux: fragmented support; handle moov samples and proper stream duration

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This commit is contained in:
Mark Nauwelaerts 2010-11-01 15:52:29 +01:00
parent 4790603d31
commit b7c27029e5
1 changed files with 45 additions and 18 deletions
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63
gst/qtdemux/qtdemux.c
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@ -1664,12 +1664,19 @@ static void
gst_qtdemux_stbl_free (QtDemuxStream * stream)
{
g_free ((gpointer) stream->stco.data);
stream->stco.data = NULL;
g_free ((gpointer) stream->stsz.data);
stream->stsz.data = NULL;
g_free ((gpointer) stream->stsc.data);
stream->stsc.data = NULL;
g_free ((gpointer) stream->stts.data);
stream->stts.data = NULL;
g_free ((gpointer) stream->stss.data);
stream->stss.data = NULL;
g_free ((gpointer) stream->stps.data);
stream->stps.data = NULL;
g_free ((gpointer) stream->ctts.data);
stream->ctts.data = NULL;
}
static GstStateChangeReturn
@ -4829,6 +4836,8 @@ too_many_streams:
static gboolean
qtdemux_stbl_init (GstQTDemux * qtdemux, QtDemuxStream * stream, GNode * stbl)
{
stream->stbl_index = -1; /* no samples have yet been parsed */
/* time-to-sample atom */
if (!qtdemux_tree_get_child_by_type_full (stbl, FOURCC_stts, &stream->stts))
goto corrupt_file;
@ -4964,8 +4973,15 @@ qtdemux_stbl_init (GstQTDemux * qtdemux, QtDemuxStream * stream, GNode * stbl)
}
if (!stream->n_samples) {
GST_WARNING_OBJECT (qtdemux, "stream has no samples");
return FALSE;
gst_qtdemux_stbl_free (stream);
if (!qtdemux->fragmented) {
/* not quite good */
GST_WARNING_OBJECT (qtdemux, "stream has no samples");
return FALSE;
} else {
/* may pick up samples elsewhere */
return TRUE;
}
}
GST_DEBUG_OBJECT (qtdemux,
@ -5008,8 +5024,6 @@ qtdemux_stbl_init (GstQTDemux * qtdemux, QtDemuxStream * stream, GNode * stbl)
goto corrupt_file;
}
stream->stbl_index = -1; /* no samples have yet been parsed */
return TRUE;
corrupt_file:
@ -5527,6 +5541,10 @@ done:
if (stream->segments == NULL)
stream->segments = g_new (QtDemuxSegment, 1);
/* represent unknown our way */
if (stream_duration == 0)
stream_duration = -1;
stream->segments[0].time = 0;
stream->segments[0].stop_time = stream_duration;
stream->segments[0].duration = stream_duration;
@ -6838,8 +6856,19 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
/* collect sample information */
if (qtdemux->fragmented) {
/* first parse basic moov samples if any */
if (!qtdemux_stbl_init (qtdemux, stream, stbl))
goto samples_failed;
if (stream->n_samples &&
!qtdemux_parse_samples (qtdemux, stream, stream->n_samples - 1))
goto samples_failed;
/* then add fragment samples */
if (!qtdemux_parse_mfra (qtdemux, stream))
goto samples_failed;
/* prevent further parse_samples */
stream->stbl_index = stream->n_samples;
/* movie duration more reliable in this case (e.g. mehd) */
stream->duration = qtdemux->segment.duration;
} else {
if (!qtdemux_stbl_init (qtdemux, stream, stbl))
goto samples_failed;
@ -8020,24 +8049,14 @@ qtdemux_parse_tree (GstQTDemux * qtdemux)
/* check for fragmented file and get some (default) data */
mvex = qtdemux_tree_get_child_by_type (qtdemux->moov_node, FOURCC_mvex);
if (mvex) {
/* let track parsing or anyone know weird stuff might happen ... */
qtdemux->fragmented = TRUE;
}
/* parse all traks */
trak = qtdemux_tree_get_child_by_type (qtdemux->moov_node, FOURCC_trak);
while (trak) {
qtdemux_parse_trak (qtdemux, trak);
/* iterate all siblings */
trak = qtdemux_tree_get_sibling_by_type (trak, FOURCC_trak);
}
/* compensate for total duration */
if (mvex) {
GNode *mehd;
GstByteReader mehd_data;
/* let track parsing or anyone know weird stuff might happen ... */
qtdemux->fragmented = TRUE;
/* compensate for total duration */
mehd = qtdemux_tree_get_child_by_type_full (mvex, FOURCC_mehd, &mehd_data);
if (mehd)
qtdemux_parse_mehd (qtdemux, &mehd_data);
@ -8048,6 +8067,14 @@ qtdemux_parse_tree (GstQTDemux * qtdemux)
if (duration)
gst_segment_set_duration (&qtdemux->segment, GST_FORMAT_TIME, duration);
/* parse all traks */
trak = qtdemux_tree_get_child_by_type (qtdemux->moov_node, FOURCC_trak);
while (trak) {
qtdemux_parse_trak (qtdemux, trak);
/* iterate all siblings */
trak = qtdemux_tree_get_sibling_by_type (trak, FOURCC_trak);
}
gst_element_no_more_pads (GST_ELEMENT_CAST (qtdemux));
/* find and push tags, we do this after adding the pads so we can push the