}
}
-static void vp56_decode_mb(VP56Context *s, int row, int col, int is_alpha)
+static int vp56_decode_mb(VP56Context *s, int row, int col, int is_alpha)
{
AVFrame *frame_current, *frame_ref;
VP56mb mb_type;
VP56Frame ref_frame;
int b, ab, b_max, plane, off;
+ int ret;
if (s->frames[VP56_FRAME_CURRENT]->key_frame)
mb_type = VP56_MB_INTRA;
mb_type = vp56_decode_mv(s, row, col);
ref_frame = ff_vp56_reference_frame[mb_type];
- s->parse_coeff(s);
+ ret = s->parse_coeff(s);
+ if (ret < 0)
+ return ret;
vp56_add_predictors_dc(s, ref_frame);
frame_current = s->frames[VP56_FRAME_CURRENT];
frame_ref = s->frames[ref_frame];
if (mb_type != VP56_MB_INTRA && !frame_ref->data[0])
- return;
+ return 0;
ab = 6*is_alpha;
b_max = 6 - 2*is_alpha;
s->block_coeff[4][0] = 0;
s->block_coeff[5][0] = 0;
}
+ return 0;
}
static int vp56_size_changed(VP56Context *s)
s->block_offset[5] = s->block_offset[4];
for (mb_col=0; mb_col<s->mb_width; mb_col++) {
- vp56_decode_mb(s, mb_row, mb_col, is_alpha);
+ int ret = vp56_decode_mb(s, mb_row, mb_col, is_alpha);
+ if (ret < 0)
+ return ret;
for (y=0; y<4; y++) {
s->above_block_idx[y] += 2;