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Added support for G2M5 codec

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This has also been independently found and fixed similarly by carl in
f4a3bbf4a3cd375121ea2495817f3e50e831ed48
The 2nd magic check is taken from carls implementation

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Eric Zimmerman 2014-10-09 10:12:44 -07:00 committed by Michael Niedermayer
parent 4641ae352e
commit 4ba5420e4d
2 changed files with 3 additions and 2 deletions
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4
libavcodec/g2meet.c
View File

@ -683,12 +683,12 @@ static int g2m_decode_frame(AVCodecContext *avctx, void *data,
magic = bytestream2_get_be32(&bc);
if ((magic & ~0xF) != MKBETAG('G', '2', 'M', '0') ||
(magic & 0xF) < 2 || (magic & 0xF) > 4) {
(magic & 0xF) < 2 || (magic & 0xF) > 5) {
av_log(avctx, AV_LOG_ERROR, "Wrong magic %08X\n", magic);
return AVERROR_INVALIDDATA;
}
if ((magic & 0xF) != 4) {
if ((magic & 0xF) < 4) {
av_log(avctx, AV_LOG_ERROR, "G2M2 and G2M3 are not yet supported\n");
return AVERROR(ENOSYS);
}

1
libavformat/riff.c
View File

@ -360,6 +360,7 @@ const AVCodecTag ff_codec_bmp_tags[] = {
{ AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '2') },
{ AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '3') },
{ AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '4') },
{ AV_CODEC_ID_G2M, MKTAG('G', '2', 'M', '5') },
{ AV_CODEC_ID_FIC, MKTAG('F', 'I', 'C', 'V') },
{ AV_CODEC_ID_NONE, 0 }
};