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Handle JUNK and dmlh tags and when we find a broken/unknown chunk, just move to the next byte and try to see if it's ...

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Original commit message from CVS:
Handle JUNK and dmlh tags and when we find a broken/unknown chunk, just move to the next byte and try to see if it's a known chunk
This commit is contained in:
Iain Holmes 2003-01-15 00:41:40 +00:00
parent 785d4193c2
commit c2a5bb3a6a
1 changed files with 36 additions and 10 deletions
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34
gst/avi/gstavidemux.c
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@ -380,6 +380,17 @@ gst_avi_demux_strh (GstAviDemux *avi_demux)
return FALSE;
}
static void
gst_avi_demux_dmlh (GstAviDemux *avi_demux)
{
gst_riff_dmlh *dmlh;
guint32 got_bytes;
got_bytes = gst_bytestream_peek_bytes (avi_demux->bs, (guint8**) &dmlh, sizeof (gst_riff_dmlh));
/* g_print ("Found total frame: %u\n", dmlh->totalframes); */
}
static void
gst_avi_demux_strf_vids (GstAviDemux *avi_demux)
{
@ -1173,6 +1184,7 @@ gst_avi_demux_read_chunk (GstAviDemux *avi_demux, guint32 *id, guint32 *size)
return TRUE;
}
} while (gst_avi_demux_handle_sink_event (avi_demux));
return TRUE;
@ -1257,8 +1269,9 @@ gst_avi_demux_process_chunk (GstAviDemux *avi_demux, guint64 *filepos,
gst_bytestream_get_status (avi_demux->bs, &remaining, &event);
gst_event_unref (event);
}
if (avi_demux->avih.bufsize)
if (avi_demux->avih.bufsize) {
gst_bytestream_size_hint (avi_demux->bs, avi_demux->avih.bufsize);
}
gst_avi_demux_process_movi (avi_demux, rec_depth, filepos);
goto done;
@ -1384,18 +1397,31 @@ gst_avi_demux_process_chunk (GstAviDemux *avi_demux, guint64 *filepos,
*chunksize = (*chunksize + 1) & ~1;
break;
}
default:
GST_DEBUG (0, " ***** unknown chunkid %08x (%s)", chunkid, gst_riff_id_to_fourcc (chunkid));
case GST_RIFF_TAG_dmlh:
gst_avi_demux_dmlh (avi_demux);
break;
case GST_RIFF_TAG_JUNK:
*chunksize = (*chunksize + 1) & ~1;
break;
default:
GST_DEBUG (0, " ***** unknown chunkid %08x", chunkid);
*chunksize = 1;
/* *chunksize = (*chunksize + 1) & ~1; */
}
GST_INFO (GST_CAT_PLUGIN_INFO, "chunkid %s, flush %08x, filepos %08llx",
gst_riff_id_to_fourcc (chunkid), *chunksize, *filepos);
*filepos += *chunksize;
if (!gst_bytestream_flush (bs, *chunksize)) {
{
gboolean ret;
ret = gst_bytestream_flush (bs, *chunksize);
if (!ret) {
return gst_avi_demux_handle_sink_event (avi_demux);
}
}
done: