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Simplify pix_fmt_id instead of listing a subset of non-simplified ones. 

Originally committed as revision 15436 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-09-27 01:59:50 +00:00
parent 7c1e33f930
commit c2c7342b70
1 changed files with 5 additions and 2 deletions
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7
libavcodec/mjpegdec.c
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@ -289,8 +289,12 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
(s->h_count[2] << 12) | (s->v_count[2] << 8) |
(s->h_count[3] << 4) | s->v_count[3];
av_log(s->avctx, AV_LOG_DEBUG, "pix fmt id %x\n", pix_fmt_id);
if(!(pix_fmt_id & 0x10101010))
pix_fmt_id-= (pix_fmt_id & 0xF0F0F0F0)>>1;
if(!(pix_fmt_id & 0x01010101))
pix_fmt_id-= (pix_fmt_id & 0x0F0F0F0F)>>1;
switch(pix_fmt_id){
case 0x22222200:
case 0x11111100:
if(s->rgb){
s->avctx->pix_fmt = PIX_FMT_RGB32;
@ -306,7 +310,6 @@ int ff_mjpeg_decode_sof(MJpegDecodeContext *s)
s->avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV440P : PIX_FMT_YUVJ440P;
break;
case 0x21111100:
case 0x22121200:
s->avctx->pix_fmt = s->cs_itu601 ? PIX_FMT_YUV422P : PIX_FMT_YUVJ422P;
break;
case 0x22111100: