jpegdec: fix CJPG decoding.

Fixes ticket133

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2011-06-18 23:59:27 +02:00
parent 0aed4f81fe
commit a09a3e8213

View File

@ -993,8 +993,11 @@ int ff_mjpeg_decode_sos(MJpegDecodeContext *s,
predictor= get_bits(&s->gb, 8); /* JPEG Ss / lossless JPEG predictor /JPEG-LS NEAR */
ilv= get_bits(&s->gb, 8); /* JPEG Se / JPEG-LS ILV */
prev_shift = get_bits(&s->gb, 4); /* Ah */
point_transform= get_bits(&s->gb, 4); /* Al */
if(s->avctx->codec_tag != AV_RL32("CJPG")){
prev_shift = get_bits(&s->gb, 4); /* Ah */
point_transform= get_bits(&s->gb, 4); /* Al */
}else
prev_shift= point_transform= 0;
for(i=0;i<nb_components;i++)
s->last_dc[i] = 1024;