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authorKostya Shishkov <kostya.shishkov@gmail.com>2009-09-28 05:17:20 +0000
committerKostya Shishkov <kostya.shishkov@gmail.com>2009-09-28 05:17:20 +0000
commit8da5d3dc3792b6992e4794351125279f05c8ba0e (patch)
tree3de8fd9a43156792a0497b79b424b114e7315b39 /libavcodec/faxcompr.c
parent7c6f5238c68b1fa5e0d61afaa3f6c68e586cf9c5 (diff)
Finally distinguish TIFF_CCITT_RLE and TIFF_G3 1-D case, so both of them
will be decoded correctly. This fixes issue 1423. Originally committed as revision 20065 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/faxcompr.c')
-rw-r--r--libavcodec/faxcompr.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/libavcodec/faxcompr.c b/libavcodec/faxcompr.c
index 215616309d..fb2ae1612f 100644
--- a/libavcodec/faxcompr.c
+++ b/libavcodec/faxcompr.c
@@ -269,7 +269,7 @@ static int find_group3_syncmarker(GetBitContext *gb, int srcsize)
int ff_ccitt_unpack(AVCodecContext *avctx,
const uint8_t *src, int srcsize,
- uint8_t *dst, int height, int stride, enum TiffCompr compr)
+ uint8_t *dst, int height, int stride, enum TiffCompr compr, int opts)
{
int j;
GetBitContext gb;
@@ -293,9 +293,10 @@ int ff_ccitt_unpack(AVCodecContext *avctx,
return -1;
}
}else{
+ int g3d1 = (compr == TIFF_G3) && !(opts & 1);
if(compr!=TIFF_CCITT_RLE && find_group3_syncmarker(&gb, srcsize*8) < 0)
break;
- if(compr==TIFF_CCITT_RLE || get_bits1(&gb))
+ if(compr==TIFF_CCITT_RLE || g3d1 || get_bits1(&gb))
ret = decode_group3_1d_line(avctx, &gb, avctx->width, runs, runend);
else
ret = decode_group3_2d_line(avctx, &gb, avctx->width, runs, runend, ref);