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-rw-r--r--libavcodec/faxcompr.c5
-rw-r--r--libavcodec/faxcompr.h2
-rw-r--r--libavcodec/tiff.c4
3 files changed, 5 insertions, 6 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);
diff --git a/libavcodec/faxcompr.h b/libavcodec/faxcompr.h
index 5f0a222e72..2f7926c05b 100644
--- a/libavcodec/faxcompr.h
+++ b/libavcodec/faxcompr.h
@@ -40,6 +40,6 @@ void ff_ccitt_unpack_init(void);
*/
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);
#endif /* AVCODEC_FAXCOMPR_H */
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 536b74f391..39a11f7c2c 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -146,13 +146,11 @@ static int tiff_unpack_strip(TiffContext *s, uint8_t* dst, int stride, const uin
src2[i] = ff_reverse[src[i]];
}
memset(src2+size, 0, FF_INPUT_BUFFER_PADDING_SIZE);
- if(s->compr == TIFF_G3 && !(s->fax_opts & 1))
- s->compr = TIFF_CCITT_RLE;
switch(s->compr){
case TIFF_CCITT_RLE:
case TIFF_G3:
case TIFF_G4:
- ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride, s->compr);
+ ret = ff_ccitt_unpack(s->avctx, src2, size, dst, lines, stride, s->compr, s->fax_opts);
break;
}
av_free(src2);