diff options
Diffstat (limited to 'libavcodec/h264_hl_motion.h')
| -rw-r--r-- | libavcodec/h264_hl_motion.h | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/libavcodec/h264_hl_motion.h b/libavcodec/h264_hl_motion.h new file mode 100644 index 0000000..f354251 --- /dev/null +++ b/libavcodec/h264_hl_motion.h @@ -0,0 +1,282 @@ + +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); +} |
