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tiffenc: simplify calculation of bpp_tab_size 

Signed-off-by: Paul B Mahol <onemda@gmail.com>
This commit is contained in:
Paul B Mahol 2012-07-06 01:44:03 +00:00
parent 5997285d3a
commit e100a259be
1 changed files with 2 additions and 3 deletions
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5
libavcodec/tiffenc.c
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@ -25,6 +25,7 @@
* @author Bartlomiej Wolowiec
*/
#include "libavutil/imgutils.h"
#include "libavutil/log.h"
#include "libavutil/opt.h"
@ -300,7 +301,6 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
s->bpp = 8 + (16 >> (shift_h + shift_v));
s->subsampling[0] = 1 << shift_h;
s->subsampling[1] = 1 << shift_v;
s->bpp_tab_size = 3;
is_yuv = 1;
break;
default:
@ -308,9 +308,8 @@ static int encode_frame(AVCodecContext * avctx, AVPacket *pkt,
"This colors format is not supported\n");
return -1;
}
if (!is_yuv)
s->bpp_tab_size = (s->bpp >= 48) ? ((s->bpp + 7) >> 4):((s->bpp + 7) >> 3);
s->bpp_tab_size = av_pix_fmt_descriptors[avctx->pix_fmt].nb_components;
if (s->compr == TIFF_DEFLATE || s->compr == TIFF_ADOBE_DEFLATE || s->compr == TIFF_LZW)
//best choose for DEFLATE
s->rps = s->height;