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Factorize "avctx->width + 2" out to avoid someone mistakenly changing 

some but not all.

Originally committed as revision 16336 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-12-26 16:38:55 +00:00
parent 621e6525a6
commit 6fe68c7b97
1 changed files with 4 additions and 3 deletions
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7
libavcodec/faxcompr.c
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@ -280,15 +280,16 @@ int ff_ccitt_unpack(AVCodecContext *avctx,
GetBitContext gb;
int *runs, *ref, *runend;
int ret;
int runsize= avctx->width + 2;
runs = av_malloc((avctx->width + 2) * sizeof(runs[0]));
ref = av_malloc((avctx->width + 2) * sizeof(ref[0]));
runs = av_malloc(runsize * sizeof(runs[0]));
ref = av_malloc(runsize * sizeof(ref[0]));
ref[0] = avctx->width;
ref[1] = 0;
ref[2] = 0;
init_get_bits(&gb, src, srcsize*8);
for(j = 0; j < height; j++){
runend = runs + avctx->width + 2;
runend = runs + runsize;
if(compr == TIFF_G4){
ret = decode_group3_2d_line(avctx, &gb, avctx->width, runs, runend, ref);
if(ret < 0){