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gst/avi/gstavidemux.c: Make avidemux accept optional header chunks in any order.

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Original commit message from CVS:
Patch by: René Stadler <mail at renestadler dot de>
* gst/avi/gstavidemux.c: (gst_avi_demux_parse_stream),
(gst_avi_demux_push_event), (gst_avi_demux_process_next_entry),
(gst_avi_demux_stream_data), (gst_avi_demux_chain):
Make avidemux accept optional header chunks in any order.
Fixes #415446.
This commit is contained in:
René Stadler 2007-03-08 16:01:42 +00:00 committed by Wim Taymans
parent 7a71c68fa8
commit 654ad41f25
2 changed files with 81 additions and 58 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
2007-03-08 Wim Taymans <wim@fluendo.com>
Patch by: René Stadler <mail at renestadler dot de>
* gst/avi/gstavidemux.c: (gst_avi_demux_parse_stream),
(gst_avi_demux_push_event), (gst_avi_demux_process_next_entry),
(gst_avi_demux_stream_data), (gst_avi_demux_chain):
Make avidemux accept optional header chunks in any order.
Fixes #415446.
2007-03-08 Jan Schmidt <thaytan@mad.scientist.com>
* tests/check/Makefile.am:

129
gst/avi/gstavidemux.c
View file

@ -1156,70 +1156,71 @@ gst_avi_demux_parse_stream (GstAviDemux * avi, GstBuffer * buf)
GstCaps *caps = NULL;
GstPad *pad;
GstElement *element;
gboolean got_strh = FALSE, got_strf = FALSE;
element = GST_ELEMENT_CAST (avi);
GST_DEBUG_OBJECT (avi, "Parsing stream");
/* read strh */
if (!gst_riff_parse_chunk (element, buf, &offset, &tag, &sub) ||
tag != GST_RIFF_TAG_strh) {
GST_ERROR_OBJECT (avi,
"Failed to find strh chunk (bufsize: %d, tag: %" GST_FOURCC_FORMAT ")",
GST_BUFFER_SIZE (buf), GST_FOURCC_ARGS (tag));
goto fail;
} else if (!gst_riff_parse_strh (element, sub, &stream->strh)) {
GST_WARNING_OBJECT (avi, "Failed to parse strh chunk");
goto fail;
}
/* read strf */
if (!gst_riff_parse_chunk (element, buf, &offset, &tag, &sub) ||
tag != GST_RIFF_TAG_strf) {
GST_ERROR_OBJECT (avi,
"Failed to find strf chunk (size: %d, tag: %"
GST_FOURCC_FORMAT ")", GST_BUFFER_SIZE (buf), GST_FOURCC_ARGS (tag));
goto fail;
} else {
gboolean res = FALSE;
switch (stream->strh->type) {
case GST_RIFF_FCC_vids:
stream->is_vbr = TRUE;
res = gst_riff_parse_strf_vids (element, sub,
&stream->strf.vids, &stream->extradata);
GST_DEBUG_OBJECT (element, "marking video as VBR, res %d", res);
break;
case GST_RIFF_FCC_auds:
stream->is_vbr = (stream->strh->samplesize == 0)
&& stream->strh->scale > 1;
res =
gst_riff_parse_strf_auds (element, sub, &stream->strf.auds,
&stream->extradata);
GST_DEBUG_OBJECT (element, "marking audio as VBR:%d, res %d",
stream->is_vbr, res);
break;
case GST_RIFF_FCC_iavs:
stream->is_vbr = TRUE;
res = gst_riff_parse_strf_iavs (element, sub,
&stream->strf.iavs, &stream->extradata);
GST_DEBUG_OBJECT (element, "marking iavs as VBR, res %d", res);
break;
default:
GST_ERROR_OBJECT (avi,
"Don´t know how to handle stream type %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (stream->strh->type));
break;
}
if (!res)
goto fail;
}
/* read strd/strn */
while (gst_riff_parse_chunk (element, buf, &offset, &tag, &sub)) {
/* sub can be NULL if the chunk is empty */
switch (tag) {
case GST_RIFF_TAG_strh:
if (got_strh) {
GST_WARNING_OBJECT (avi, "Ignoring additional strh chunk");
break;
}
if (!gst_riff_parse_strh (element, sub, &stream->strh)) {
GST_WARNING_OBJECT (avi, "Failed to parse strh chunk");
goto fail;
}
got_strh = TRUE;
break;
case GST_RIFF_TAG_strf:
{
gboolean res = FALSE;
if (got_strf) {
GST_WARNING_OBJECT (avi, "Ignoring additional strf chunk");
break;
}
if (!got_strh) {
GST_ERROR_OBJECT (avi, "Found strf chunk before strh chunk");
goto fail;
}
switch (stream->strh->type) {
case GST_RIFF_FCC_vids:
stream->is_vbr = TRUE;
res = gst_riff_parse_strf_vids (element, sub,
&stream->strf.vids, &stream->extradata);
GST_DEBUG_OBJECT (element, "marking video as VBR, res %d", res);
break;
case GST_RIFF_FCC_auds:
stream->is_vbr = (stream->strh->samplesize == 0)
&& stream->strh->scale > 1;
res =
gst_riff_parse_strf_auds (element, sub, &stream->strf.auds,
&stream->extradata);
GST_DEBUG_OBJECT (element, "marking audio as VBR:%d, res %d",
stream->is_vbr, res);
break;
case GST_RIFF_FCC_iavs:
stream->is_vbr = TRUE;
res = gst_riff_parse_strf_iavs (element, sub,
&stream->strf.iavs, &stream->extradata);
GST_DEBUG_OBJECT (element, "marking iavs as VBR, res %d", res);
break;
default:
GST_ERROR_OBJECT (avi,
"Don´t know how to handle stream type %" GST_FOURCC_FORMAT,
GST_FOURCC_ARGS (stream->strh->type));
break;
}
if (!res)
goto fail;
got_strf = TRUE;
break;
}
case GST_RIFF_TAG_strd:
if (stream->initdata)
gst_buffer_unref (stream->initdata);
@ -1260,6 +1261,16 @@ gst_avi_demux_parse_stream (GstAviDemux * avi, GstBuffer * buf)
}
}
if (!got_strh) {
GST_ERROR_OBJECT (avi, "Failed to find strh chunk");
goto fail;
}
if (!got_strf) {
GST_ERROR_OBJECT (avi, "Failed to find strf chunk");
goto fail;
}
/* get class to figure out the template */
klass = GST_ELEMENT_GET_CLASS (avi);
@ -2410,8 +2421,10 @@ gst_avi_demux_push_event (GstAviDemux * avi, GstEvent * event)
for (i = 0; i < avi->num_streams; i++) {
avi_stream_context *stream = &avi->stream[i];
gst_event_ref (event);
result &= gst_pad_push_event (stream->pad, event);
if (stream->pad) {
gst_event_ref (event);
result &= gst_pad_push_event (stream->pad, event);
}
}
} else {
/* return error, as the event was not send */