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Code Issues Releases Wiki Activity

Simplify getSubSampleFactors(), make it use the values provided by 

av_pix_fmt_descriptors().


git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@30171 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
stefano 2010-01-03 00:09:24 +00:00
parent 13fe3d4986
commit f192bfea2a
1 changed files with 2 additions and 47 deletions
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49
libswscale/swscale.c
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@ -2280,53 +2280,8 @@ static int planarCopy(SwsContext *c, uint8_t* src[], int srcStride[], int srcSli
static void getSubSampleFactors(int *h, int *v, int format)
{
switch(format) {
case PIX_FMT_UYVY422:
case PIX_FMT_YUYV422:
*h=1;
*v=0;
break;
case PIX_FMT_YUV420P:
case PIX_FMT_YUV420P16LE:
case PIX_FMT_YUV420P16BE:
case PIX_FMT_YUVA420P:
case PIX_FMT_GRAY16BE:
case PIX_FMT_GRAY16LE:
case PIX_FMT_GRAY8: //FIXME remove after different subsamplings are fully implemented
case PIX_FMT_NV12:
case PIX_FMT_NV21:
*h=1;
*v=1;
break;
case PIX_FMT_YUV440P:
*h=0;
*v=1;
break;
case PIX_FMT_YUV410P:
*h=2;
*v=2;
break;
case PIX_FMT_YUV444P:
case PIX_FMT_YUV444P16LE:
case PIX_FMT_YUV444P16BE:
*h=0;
*v=0;
break;
case PIX_FMT_YUV422P:
case PIX_FMT_YUV422P16LE:
case PIX_FMT_YUV422P16BE:
*h=1;
*v=0;
break;
case PIX_FMT_YUV411P:
*h=2;
*v=0;
break;
default:
*h=0;
*v=0;
break;
}
*h = av_pix_fmt_descriptors[format].log2_chroma_w;
*v = av_pix_fmt_descriptors[format].log2_chroma_h;
}
static uint16_t roundToInt16(int64_t f)