RepoMirrors
/
ffmpeg
mirror of https://git.ffmpeg.org/ffmpeg.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity
ffmpeg/libavcodec/h264_hl_motion.h

283 lines
14 KiB
C
Raw Blame History

static inline void FUNC(mc_dir_part)(H264Context *h, Picture *pic, int n, int square, int chroma_height, int delta, int list,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int src_x_offset, int src_y_offset,
qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
MpegEncContext * const s = &h->s;
const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
const int luma_xy= (mx&3) + ((my&3)<<2);
uint8_t * src_y = pic->data[0] + ((mx>>2)<<PIXEL_SHIFT) + (my>>2)*h->mb_linesize;
uint8_t * src_cb, * src_cr;
int extra_width= h->emu_edge_width;
int extra_height= h->emu_edge_height;
int emu=0;
const int full_mx= mx>>2;
const int full_my= my>>2;
const int pic_width = 16*s->mb_width;
const int pic_height = 16*s->mb_height >> MB_FIELD;
if(mx&7) extra_width -= 3;
if(my&7) extra_height -= 3;
if( full_mx < 0-extra_width
|| full_my < 0-extra_height
|| full_mx + 16/*FIXME*/ > pic_width + extra_width
|| full_my + 16/*FIXME*/ > pic_height + extra_height){
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_y - (2<<PIXEL_SHIFT) - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
src_y= s->edge_emu_buffer + (2<<PIXEL_SHIFT) + 2*h->mb_linesize;
emu=1;
}
qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
if(!square){
qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
}
if(CONFIG_GRAY && s->flags&CODEC_FLAG_GRAY) return;
if(MB_FIELD){
// chroma offset when predicting from a field of opposite parity
my += 2 * ((s->mb_y & 1) - (pic->reference - 1));
emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
}
src_cb= pic->data[1] + ((mx>>3)<<PIXEL_SHIFT) + (my>>3)*h->mb_uvlinesize;
src_cr= pic->data[2] + ((mx>>3)<<PIXEL_SHIFT) + (my>>3)*h->mb_uvlinesize;
if(emu){
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
src_cb= s->edge_emu_buffer;
}
chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
if(emu){
s->dsp.emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
src_cr= s->edge_emu_buffer;
}
chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
}
static inline void FUNC(mc_part_std)(H264Context *h, int n, int square, int chroma_height, int delta,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int x_offset, int y_offset,
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
int list0, int list1){
MpegEncContext * const s = &h->s;
qpel_mc_func *qpix_op= qpix_put;
h264_chroma_mc_func chroma_op= chroma_put;
dest_y += (2*x_offset<<PIXEL_SHIFT) + 2*y_offset*h-> mb_linesize;
dest_cb += ( x_offset<<PIXEL_SHIFT) + y_offset*h->mb_uvlinesize;
dest_cr += ( x_offset<<PIXEL_SHIFT) + y_offset*h->mb_uvlinesize;
x_offset += 8*s->mb_x;
y_offset += 8*(s->mb_y >> MB_FIELD);
if(list0){
Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
FUNC(mc_dir_part)(h, ref, n, square, chroma_height, delta, 0,
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_op, chroma_op);
qpix_op= qpix_avg;
chroma_op= chroma_avg;
}
if(list1){
Picture *ref= &h->ref_list[1][ h->ref_cache[1][ scan8[n] ] ];
FUNC(mc_dir_part)(h, ref, n, square, chroma_height, delta, 1,
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_op, chroma_op);
}
}
static inline void FUNC(mc_part_weighted)(H264Context *h, int n, int square, int chroma_height, int delta,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int x_offset, int y_offset,
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
h264_weight_func luma_weight_op, h264_weight_func chroma_weight_op,
h264_biweight_func luma_weight_avg, h264_biweight_func chroma_weight_avg,
int list0, int list1){
MpegEncContext * const s = &h->s;
dest_y += (2*x_offset<<PIXEL_SHIFT) + 2*y_offset*h-> mb_linesize;
dest_cb += ( x_offset<<PIXEL_SHIFT) + y_offset*h->mb_uvlinesize;
dest_cr += ( x_offset<<PIXEL_SHIFT) + y_offset*h->mb_uvlinesize;
x_offset += 8*s->mb_x;
y_offset += 8*(s->mb_y >> MB_FIELD);
if(list0 && list1){
/* don't optimize for luma-only case, since B-frames usually
* use implicit weights => chroma too. */
uint8_t *tmp_cb = s->obmc_scratchpad;
uint8_t *tmp_cr = s->obmc_scratchpad + (8<<PIXEL_SHIFT);
uint8_t *tmp_y = s->obmc_scratchpad + 8*h->mb_uvlinesize;
int refn0 = h->ref_cache[0][ scan8[n] ];
int refn1 = h->ref_cache[1][ scan8[n] ];
FUNC(mc_dir_part)(h, &h->ref_list[0][refn0], n, square, chroma_height, delta, 0,
dest_y, dest_cb, dest_cr,
x_offset, y_offset, qpix_put, chroma_put);
FUNC(mc_dir_part)(h, &h->ref_list[1][refn1], n, square, chroma_height, delta, 1,
tmp_y, tmp_cb, tmp_cr,
x_offset, y_offset, qpix_put, chroma_put);
if(h->use_weight == 2){
int weight0 = h->implicit_weight[refn0][refn1][s->mb_y&1];
int weight1 = 64 - weight0;
luma_weight_avg( dest_y, tmp_y, h-> mb_linesize, 5, weight0, weight1, 0);
chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
}else{
luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
h->luma_weight[refn0][0][0] , h->luma_weight[refn1][1][0],
h->luma_weight[refn0][0][1] + h->luma_weight[refn1][1][1]);
chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
h->chroma_weight[refn0][0][0][0] , h->chroma_weight[refn1][1][0][0],
h->chroma_weight[refn0][0][0][1] + h->chroma_weight[refn1][1][0][1]);
chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
h->chroma_weight[refn0][0][1][0] , h->chroma_weight[refn1][1][1][0],
h->chroma_weight[refn0][0][1][1] + h->chroma_weight[refn1][1][1][1]);
}
}else{
int list = list1 ? 1 : 0;
int refn = h->ref_cache[list][ scan8[n] ];
Picture *ref= &h->ref_list[list][refn];
FUNC(mc_dir_part)(h, ref, n, square, chroma_height, delta, list,
dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put, chroma_put);
luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
h->luma_weight[refn][list][0], h->luma_weight[refn][list][1]);
if(h->use_weight_chroma){
chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
h->chroma_weight[refn][list][0][0], h->chroma_weight[refn][list][0][1]);
chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
h->chroma_weight[refn][list][1][0], h->chroma_weight[refn][list][1][1]);
}
}
}
static inline void FUNC(mc_part)(H264Context *h, int n, int square, int chroma_height, int delta,
uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
int x_offset, int y_offset,
qpel_mc_func *qpix_put, h264_chroma_mc_func chroma_put,
qpel_mc_func *qpix_avg, h264_chroma_mc_func chroma_avg,
h264_weight_func *weight_op, h264_biweight_func *weight_avg,
int list0, int list1){
if((h->use_weight==2 && list0 && list1
&& (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ][h->s.mb_y&1] != 32))
|| h->use_weight==1)
FUNC(mc_part_weighted)(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
x_offset, y_offset, qpix_put, chroma_put,
weight_op[0], weight_op[3], weight_avg[0], weight_avg[3], list0, list1);
else
FUNC(mc_part_std)(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
}
static inline void FUNC(prefetch_motion)(H264Context *h, int list){
/* fetch pixels for estimated mv 4 macroblocks ahead
* optimized for 64byte cache lines */
MpegEncContext * const s = &h->s;
const int refn = h->ref_cache[list][scan8[0]];
if(refn >= 0){
const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
uint8_t **src= h->ref_list[list][refn].data;
int off= ((mx+64)<<PIXEL_SHIFT) + (my + (s->mb_x&3)*4)*h->mb_linesize;
s->dsp.prefetch(src[0]+off, s->linesize, 4);
off= (((mx>>1)+64)<<PIXEL_SHIFT) + ((my>>1) + (s->mb_x&7))*s->uvlinesize;
s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
}
}
static void FUNC(hl_motion)(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
h264_weight_func *weight_op, h264_biweight_func *weight_avg){
MpegEncContext * const s = &h->s;
const int mb_xy= h->mb_xy;
const int mb_type= s->current_picture.mb_type[mb_xy];
assert(IS_INTER(mb_type));
if(HAVE_PTHREADS && s->avctx->active_thread_type&FF_THREAD_FRAME)
await_references(h);
FUNC(prefetch_motion)(h, 0);
if(IS_16X16(mb_type)){
FUNC(mc_part)(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
weight_op, weight_avg,
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
}else if(IS_16X8(mb_type)){
FUNC(mc_part)(h, 0, 0, 4, (8<<PIXEL_SHIFT), dest_y, dest_cb, dest_cr, 0, 0,
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
&weight_op[1], &weight_avg[1],
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
FUNC(mc_part)(h, 8, 0, 4, (8<<PIXEL_SHIFT), dest_y, dest_cb, dest_cr, 0, 4,
qpix_put[1], chroma_put[0], qpix_avg[1], chroma_avg[0],
&weight_op[1], &weight_avg[1],
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
}else if(IS_8X16(mb_type)){
FUNC(mc_part)(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
&weight_op[2], &weight_avg[2],
IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
FUNC(mc_part)(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
&weight_op[2], &weight_avg[2],
IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
}else{
int i;
assert(IS_8X8(mb_type));
for(i=0; i<4; i++){
const int sub_mb_type= h->sub_mb_type[i];
const int n= 4*i;
int x_offset= (i&1)<<2;
int y_offset= (i&2)<<1;
if(IS_SUB_8X8(sub_mb_type)){
FUNC(mc_part)(h, n, 1, 4, 0, dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
&weight_op[3], &weight_avg[3],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
}else if(IS_SUB_8X4(sub_mb_type)){
FUNC(mc_part)(h, n , 0, 2, (4<<PIXEL_SHIFT), dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
&weight_op[4], &weight_avg[4],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
FUNC(mc_part)(h, n+2, 0, 2, (4<<PIXEL_SHIFT), dest_y, dest_cb, dest_cr, x_offset, y_offset+2,
qpix_put[2], chroma_put[1], qpix_avg[2], chroma_avg[1],
&weight_op[4], &weight_avg[4],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
}else if(IS_SUB_4X8(sub_mb_type)){
FUNC(mc_part)(h, n , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
&weight_op[5], &weight_avg[5],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
FUNC(mc_part)(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
&weight_op[5], &weight_avg[5],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
}else{
int j;
assert(IS_SUB_4X4(sub_mb_type));
for(j=0; j<4; j++){
int sub_x_offset= x_offset + 2*(j&1);
int sub_y_offset= y_offset + (j&2);
FUNC(mc_part)(h, n+j, 1, 2, 0, dest_y, dest_cb, dest_cr, sub_x_offset, sub_y_offset,
qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
&weight_op[6], &weight_avg[6],
IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
}
}
}
}
FUNC(prefetch_motion)(h, 1);
}
Reference in New Issue View Git Blame Copy Permalink