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Decode non-interleaved scans

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Originally committed as revision 7143 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Kostya Shishkov 2006-11-21 06:15:18 +00:00
parent eb10acec36
commit 426b11a833
1 changed files with 2 additions and 8 deletions
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10
libavcodec/mjpeg.c
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@ -1643,12 +1643,6 @@ static int mjpeg_decode_sos(MJpegDecodeContext *s)
dprintf("decode_sos: invalid len (%d)\n", len);
return -1;
}
/* XXX: only interleaved scan accepted */
if ((nb_components != s->nb_components) && !s->ls && !s->progressive)
{
dprintf("decode_sos: components(%d) mismatch\n", nb_components);
return -1;
}
vmax = 0;
hmax = 0;
for(i=0;i<nb_components;i++) {
@ -1709,8 +1703,8 @@ static int mjpeg_decode_sos(MJpegDecodeContext *s)
s->mb_width = (s->width + s->h_max * block_size - 1) / (s->h_max * block_size);
s->mb_height = (s->height + s->v_max * block_size - 1) / (s->v_max * block_size);
} else if(!s->ls) { /* skip this for JPEG-LS */
h = s->h_max / s->h_scount[s->comp_index[0]];
v = s->v_max / s->v_scount[s->comp_index[0]];
h = s->h_max / s->h_scount[0];
v = s->v_max / s->v_scount[0];
s->mb_width = (s->width + h * block_size - 1) / (h * block_size);
s->mb_height = (s->height + v * block_size - 1) / (v * block_size);
s->nb_blocks[0] = 1;