apps/ffmpeg-rockchip
1
0
Fork 0
mirror of https://github.com/nyanmisaka/ffmpeg-rockchip.git synced 2025-11-03 01:33:50 +08:00
Code Issues Packages Projects Releases Wiki Activity

snow: yuv444 support

Browse Source 
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2012-06-22 15:17:33 +02:00
parent 13ba872a2a
commit 68c845cdba
4 changed files with 102 additions and 76 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
libavcodec/snow.c
View File

@@ -328,7 +328,7 @@ void ff_snow_pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride,
}
}else{
uint8_t *src= s->last_picture[block->ref].data[plane_index];
const int scale= plane_index ? s->mv_scale : 2*s->mv_scale;
const int scale= plane_index ? (2*s->mv_scale)>>s->chroma_h_shift : 2*s->mv_scale;
int mx= block->mx*scale;
int my= block->my*scale;
const int dx= mx&15;
@@ -342,6 +342,9 @@ void ff_snow_pred_block(SnowContext *s, uint8_t *dst, uint8_t *tmp, int stride,
s->dsp.emulated_edge_mc(tmp + MB_SIZE, src, stride, b_w+HTAPS_MAX-1, b_h+HTAPS_MAX-1, sx, sy, w, h);
src= tmp + MB_SIZE;
}
av_assert2(s->chroma_h_shift == s->chroma_v_shift); // only one mv_scale
// assert(b_w == b_h || 2*b_w == b_h || b_w == 2*b_h);
// assert(!(b_w&(b_w-1)));
assert(b_w>1 && b_h>1);
@@ -513,8 +516,8 @@ static void halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *fr
for(p=0; p<3; p++){
int is_chroma= !!p;
int w= s->avctx->width >>is_chroma;
int h= s->avctx->height >>is_chroma;
int w= is_chroma ? s->avctx->width >>s->chroma_h_shift : s->avctx->width;
int h= is_chroma ? s->avctx->height>>s->chroma_v_shift : s->avctx->height;
int ls= frame->linesize[p];
uint8_t *src= frame->data[p];
@@ -573,11 +576,11 @@ int ff_snow_frame_start(SnowContext *s){
s->current_picture.linesize[0], w , h ,
EDGE_WIDTH , EDGE_WIDTH , EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(s->current_picture.data[1],
s->current_picture.linesize[1], w>>1, h>>1,
EDGE_WIDTH/2, EDGE_WIDTH/2, EDGE_TOP | EDGE_BOTTOM);
s->current_picture.linesize[1], w>>s->chroma_h_shift, h>>s->chroma_v_shift,
EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM);
s->dsp.draw_edges(s->current_picture.data[2],
s->current_picture.linesize[2], w>>1, h>>1,
EDGE_WIDTH/2, EDGE_WIDTH/2, EDGE_TOP | EDGE_BOTTOM);
s->current_picture.linesize[2], w>>s->chroma_h_shift, h>>s->chroma_v_shift,
EDGE_WIDTH>>s->chroma_h_shift, EDGE_WIDTH>>s->chroma_v_shift, EDGE_TOP | EDGE_BOTTOM);
}
ff_snow_release_buffer(s->avctx);