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Code Issues Releases Activity

snowenc: update pix_sum for rectangles, needed for non 420

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-06-22 03:58:43 +02:00
parent b4b7471ec4
commit 13ba872a2a
1 changed files with 6 additions and 6 deletions
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12
libavcodec/snowenc.c
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@ -252,12 +252,12 @@ static av_cold int encode_init(AVCodecContext *avctx)
}
//near copy & paste from dsputil, FIXME
static int pix_sum(uint8_t * pix, int line_size, int w)
static int pix_sum(uint8_t * pix, int line_size, int w, int h)
{
int s, i, j;
s = 0;
for (i = 0; i < w; i++) {
for (i = 0; i < h; i++) {
for (j = 0; j < w; j++) {
s += pix[0];
pix ++;
@ -444,15 +444,15 @@ static int encode_q_branch(SnowContext *s, int level, int x, int y){
score += (s->lambda2*(get_rac_count(&pc)-base_bits))>>FF_LAMBDA_SHIFT;
block_s= block_w*block_w;
sum = pix_sum(current_data[0], stride, block_w);
sum = pix_sum(current_data[0], stride, block_w, block_w);
l= (sum + block_s/2)/block_s;
iscore = pix_norm1(current_data[0], stride, block_w) - 2*l*sum + l*l*block_s;
block_s= block_w*block_w>>2;
sum = pix_sum(current_data[1], uvstride, block_w>>1);
block_s= block_w*block_w>>(s->chroma_h_shift + s->chroma_v_shift);
sum = pix_sum(current_data[1], uvstride, block_w>>s->chroma_h_shift, block_w>>s->chroma_v_shift);
cb= (sum + block_s/2)/block_s;
// iscore += pix_norm1(&current_mb[1][0], uvstride, block_w>>1) - 2*cb*sum + cb*cb*block_s;
sum = pix_sum(current_data[2], uvstride, block_w>>1);
sum = pix_sum(current_data[2], uvstride, block_w>>s->chroma_h_shift, block_w>>s->chroma_v_shift);
cr= (sum + block_s/2)/block_s;
// iscore += pix_norm1(&current_mb[2][0], uvstride, block_w>>1) - 2*cr*sum + cr*cr*block_s;