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support swink created files which have soi/eoi broken tags reversed 

Originally committed as revision 10152 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Baptiste Coudurier 2007-08-20 19:55:37 +00:00
parent 45e3c163a9
commit 1f794d69c0
1 changed files with 3 additions and 1 deletions
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4
libavformat/swf.c
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@ -734,8 +734,10 @@ static int swf_read_packet(AVFormatContext *s, AVPacket *pkt)
get_le16(pb); /* BITMAP_ID */
av_new_packet(pkt, len-2);
get_buffer(pb, pkt->data, 4);
if (AV_RB32(pkt->data) == 0xffd8ffd9) {
if (AV_RB32(pkt->data) == 0xffd8ffd9 ||
AV_RB32(pkt->data) == 0xffd9ffd8) {
/* old SWF files containing SOI/EOI as data start */
/* files created by swink have reversed tag */
pkt->size -= 4;
get_buffer(pb, pkt->data, pkt->size);
} else {