diff options
Diffstat (limited to 'libavcodec/snowenc.c')
| -rw-r--r-- | libavcodec/snowenc.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libavcodec/snowenc.c b/libavcodec/snowenc.c index 96b0d320bc..c99313f1f6 100644 --- a/libavcodec/snowenc.c +++ b/libavcodec/snowenc.c @@ -1533,10 +1533,10 @@ static void calculate_visual_weight(SnowContext *s, Plane *p){ int level, orientation, x, y; for(level=0; level<s->spatial_decomposition_count; level++){ + int64_t error=0; for(orientation=level ? 1 : 0; orientation<4; orientation++){ SubBand *b= &p->band[level][orientation]; IDWTELEM *ibuf= b->ibuf; - int64_t error=0; memset(s->spatial_idwt_buffer, 0, sizeof(*s->spatial_idwt_buffer)*width*height); ibuf[b->width/2 + b->height/2*b->stride]= 256*16; @@ -1547,9 +1547,13 @@ static void calculate_visual_weight(SnowContext *s, Plane *p){ error += d*d; } } - + if (orientation == 2) + error /= 2; b->qlog= (int)(QROOT * log2(352256.0/sqrt(error)) + 0.5); + if (orientation != 1) + error = 0; } + p->band[level][1].qlog = p->band[level][2].qlog; } } |