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img2enc: remove dead code

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Nothing in lavc sets extradata for such codec and this is wrong place
for it anyway.

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-11-18 12:09:20 +00:00
parent ab82b77822
commit f5f29910dd
1 changed files with 0 additions and 25 deletions
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25
libavformat/img2enc.c
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@ -114,31 +114,6 @@ static int write_packet(AVFormatContext *s, AVPacket *pkt)
avio_close(pb[3]);
}
}else{
if(ff_guess_image2_codec(s->filename) == AV_CODEC_ID_JPEG2000){
AVStream *st = s->streams[0];
if(st->codec->extradata_size > 8 &&
AV_RL32(st->codec->extradata+4) == MKTAG('j','p','2','h')){
if(pkt->size < 8 || AV_RL32(pkt->data+4) != MKTAG('j','p','2','c'))
goto error;
avio_wb32(pb[0], 12);
ffio_wfourcc(pb[0], "jP ");
avio_wb32(pb[0], 0x0D0A870A); // signature
avio_wb32(pb[0], 20);
ffio_wfourcc(pb[0], "ftyp");
ffio_wfourcc(pb[0], "jp2 ");
avio_wb32(pb[0], 0);
ffio_wfourcc(pb[0], "jp2 ");
avio_write(pb[0], st->codec->extradata, st->codec->extradata_size);
}else if(pkt->size >= 8 && AV_RB32(pkt->data) == 0xFF4FFF51){
//jpeg2000 codestream
}else if(pkt->size < 8 ||
(!st->codec->extradata_size &&
AV_RL32(pkt->data+4) != MKTAG('j','P',' ',' '))){ // signature
error:
av_log(s, AV_LOG_ERROR, "malformed JPEG 2000 codestream %X\n", AV_RB32(pkt->data));
return -1;
}
}
avio_write(pb[0], pkt->data, pkt->size);
}
avio_flush(pb[0]);