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| author | Kostya Shishkov <kostya.shishkov@gmail.com> | 2009-09-26 05:48:50 +0000 |
|---|---|---|
| committer | Kostya Shishkov <kostya.shishkov@gmail.com> | 2009-09-26 05:48:50 +0000 |
| commit | a8c7a3d2c120aebd983687f2a6790b9c76bbd339 (patch) | |
| tree | 06baa62da9c3260fc9cc56af942e9225ec1f4234 | |
| parent | 84e30ef9927b1c2e497add27b909571ccb050cb9 (diff) | |
| download | ffmpeg-a8c7a3d2c120aebd983687f2a6790b9c76bbd339.tar.gz | |
Fix decoding of TIFF CCITT RLE compressed data.
This fixes issue 1417.
Originally committed as revision 20025 to svn://svn.ffmpeg.org/ffmpeg/trunk
| -rw-r--r-- | libavcodec/faxcompr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/faxcompr.c b/libavcodec/faxcompr.c index 9a9d1f5528..215616309d 100644 --- a/libavcodec/faxcompr.c +++ b/libavcodec/faxcompr.c @@ -293,12 +293,14 @@ int ff_ccitt_unpack(AVCodecContext *avctx, return -1; } }else{ - if(find_group3_syncmarker(&gb, srcsize*8) < 0) + if(compr!=TIFF_CCITT_RLE && find_group3_syncmarker(&gb, srcsize*8) < 0) break; if(compr==TIFF_CCITT_RLE || 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); + if(compr==TIFF_CCITT_RLE && (get_bits_count(&gb) & 7)) + skip_bits(&gb, 8 - (get_bits_count(&gb) & 7)); } if(ret < 0){ put_line(dst, stride, avctx->width, ref); |