diff options
Diffstat (limited to 'contrib/ffmpeg/libavcodec/mpegvideo_common.h')
-rw-r--r-- | contrib/ffmpeg/libavcodec/mpegvideo_common.h | 836 |
1 files changed, 0 insertions, 836 deletions
diff --git a/contrib/ffmpeg/libavcodec/mpegvideo_common.h b/contrib/ffmpeg/libavcodec/mpegvideo_common.h deleted file mode 100644 index f2655a954..000000000 --- a/contrib/ffmpeg/libavcodec/mpegvideo_common.h +++ /dev/null @@ -1,836 +0,0 @@ -/* - * The simplest mpeg encoder (well, it was the simplest!) - * Copyright (c) 2000,2001 Fabrice Bellard. - * Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> - * - * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at> - * - * This file is part of FFmpeg. - * - * FFmpeg is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * FFmpeg is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with FFmpeg; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -/** - * @file mpegvideo_common.h - * The simplest mpeg encoder (well, it was the simplest!). - */ - -#ifndef FFMPEG_MPEGVIDEO_COMMON_H -#define FFMPEG_MPEGVIDEO_COMMON_H - -#include "avcodec.h" -#include "dsputil.h" -#include "mpegvideo.h" -#include "mjpegenc.h" -#include "msmpeg4.h" -#include "faandct.h" -#include <limits.h> - -int dct_quantize_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow); -int dct_quantize_trellis_c(MpegEncContext *s, DCTELEM *block, int n, int qscale, int *overflow); -void denoise_dct_c(MpegEncContext *s, DCTELEM *block); -void copy_picture(Picture *dst, Picture *src); - -/** - * allocates a Picture - * The pixels are allocated/set by calling get_buffer() if shared=0 - */ -int alloc_picture(MpegEncContext *s, Picture *pic, int shared); - -/** - * sets the given MpegEncContext to common defaults (same for encoding and decoding). - * the changed fields will not depend upon the prior state of the MpegEncContext. - */ -void MPV_common_defaults(MpegEncContext *s); - -static inline void gmc1_motion(MpegEncContext *s, - uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, - uint8_t **ref_picture) -{ - uint8_t *ptr; - int offset, src_x, src_y, linesize, uvlinesize; - int motion_x, motion_y; - int emu=0; - - motion_x= s->sprite_offset[0][0]; - motion_y= s->sprite_offset[0][1]; - src_x = s->mb_x * 16 + (motion_x >> (s->sprite_warping_accuracy+1)); - src_y = s->mb_y * 16 + (motion_y >> (s->sprite_warping_accuracy+1)); - motion_x<<=(3-s->sprite_warping_accuracy); - motion_y<<=(3-s->sprite_warping_accuracy); - src_x = av_clip(src_x, -16, s->width); - if (src_x == s->width) - motion_x =0; - src_y = av_clip(src_y, -16, s->height); - if (src_y == s->height) - motion_y =0; - - linesize = s->linesize; - uvlinesize = s->uvlinesize; - - ptr = ref_picture[0] + (src_y * linesize) + src_x; - - if(s->flags&CODEC_FLAG_EMU_EDGE){ - if( (unsigned)src_x >= s->h_edge_pos - 17 - || (unsigned)src_y >= s->v_edge_pos - 17){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr, linesize, 17, 17, src_x, src_y, s->h_edge_pos, s->v_edge_pos); - ptr= s->edge_emu_buffer; - } - } - - if((motion_x|motion_y)&7){ - s->dsp.gmc1(dest_y , ptr , linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding); - s->dsp.gmc1(dest_y+8, ptr+8, linesize, 16, motion_x&15, motion_y&15, 128 - s->no_rounding); - }else{ - int dxy; - - dxy= ((motion_x>>3)&1) | ((motion_y>>2)&2); - if (s->no_rounding){ - s->dsp.put_no_rnd_pixels_tab[0][dxy](dest_y, ptr, linesize, 16); - }else{ - s->dsp.put_pixels_tab [0][dxy](dest_y, ptr, linesize, 16); - } - } - - if(ENABLE_GRAY && s->flags&CODEC_FLAG_GRAY) return; - - motion_x= s->sprite_offset[1][0]; - motion_y= s->sprite_offset[1][1]; - src_x = s->mb_x * 8 + (motion_x >> (s->sprite_warping_accuracy+1)); - src_y = s->mb_y * 8 + (motion_y >> (s->sprite_warping_accuracy+1)); - motion_x<<=(3-s->sprite_warping_accuracy); - motion_y<<=(3-s->sprite_warping_accuracy); - src_x = av_clip(src_x, -8, s->width>>1); - if (src_x == s->width>>1) - motion_x =0; - src_y = av_clip(src_y, -8, s->height>>1); - if (src_y == s->height>>1) - motion_y =0; - - offset = (src_y * uvlinesize) + src_x; - ptr = ref_picture[1] + offset; - if(s->flags&CODEC_FLAG_EMU_EDGE){ - if( (unsigned)src_x >= (s->h_edge_pos>>1) - 9 - || (unsigned)src_y >= (s->v_edge_pos>>1) - 9){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); - ptr= s->edge_emu_buffer; - emu=1; - } - } - s->dsp.gmc1(dest_cb, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding); - - ptr = ref_picture[2] + offset; - if(emu){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr, uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); - ptr= s->edge_emu_buffer; - } - s->dsp.gmc1(dest_cr, ptr, uvlinesize, 8, motion_x&15, motion_y&15, 128 - s->no_rounding); - - return; -} - -static inline void gmc_motion(MpegEncContext *s, - uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, - uint8_t **ref_picture) -{ - uint8_t *ptr; - int linesize, uvlinesize; - const int a= s->sprite_warping_accuracy; - int ox, oy; - - linesize = s->linesize; - uvlinesize = s->uvlinesize; - - ptr = ref_picture[0]; - - ox= s->sprite_offset[0][0] + s->sprite_delta[0][0]*s->mb_x*16 + s->sprite_delta[0][1]*s->mb_y*16; - oy= s->sprite_offset[0][1] + s->sprite_delta[1][0]*s->mb_x*16 + s->sprite_delta[1][1]*s->mb_y*16; - - s->dsp.gmc(dest_y, ptr, linesize, 16, - ox, - oy, - s->sprite_delta[0][0], s->sprite_delta[0][1], - s->sprite_delta[1][0], s->sprite_delta[1][1], - a+1, (1<<(2*a+1)) - s->no_rounding, - s->h_edge_pos, s->v_edge_pos); - s->dsp.gmc(dest_y+8, ptr, linesize, 16, - ox + s->sprite_delta[0][0]*8, - oy + s->sprite_delta[1][0]*8, - s->sprite_delta[0][0], s->sprite_delta[0][1], - s->sprite_delta[1][0], s->sprite_delta[1][1], - a+1, (1<<(2*a+1)) - s->no_rounding, - s->h_edge_pos, s->v_edge_pos); - - if(ENABLE_GRAY && s->flags&CODEC_FLAG_GRAY) return; - - ox= s->sprite_offset[1][0] + s->sprite_delta[0][0]*s->mb_x*8 + s->sprite_delta[0][1]*s->mb_y*8; - oy= s->sprite_offset[1][1] + s->sprite_delta[1][0]*s->mb_x*8 + s->sprite_delta[1][1]*s->mb_y*8; - - ptr = ref_picture[1]; - s->dsp.gmc(dest_cb, ptr, uvlinesize, 8, - ox, - oy, - s->sprite_delta[0][0], s->sprite_delta[0][1], - s->sprite_delta[1][0], s->sprite_delta[1][1], - a+1, (1<<(2*a+1)) - s->no_rounding, - s->h_edge_pos>>1, s->v_edge_pos>>1); - - ptr = ref_picture[2]; - s->dsp.gmc(dest_cr, ptr, uvlinesize, 8, - ox, - oy, - s->sprite_delta[0][0], s->sprite_delta[0][1], - s->sprite_delta[1][0], s->sprite_delta[1][1], - a+1, (1<<(2*a+1)) - s->no_rounding, - s->h_edge_pos>>1, s->v_edge_pos>>1); -} - -static inline int hpel_motion(MpegEncContext *s, - uint8_t *dest, uint8_t *src, - int field_based, int field_select, - int src_x, int src_y, - int width, int height, int stride, - int h_edge_pos, int v_edge_pos, - int w, int h, op_pixels_func *pix_op, - int motion_x, int motion_y) -{ - int dxy; - int emu=0; - - dxy = ((motion_y & 1) << 1) | (motion_x & 1); - src_x += motion_x >> 1; - src_y += motion_y >> 1; - - /* WARNING: do no forget half pels */ - src_x = av_clip(src_x, -16, width); //FIXME unneeded for emu? - if (src_x == width) - dxy &= ~1; - src_y = av_clip(src_y, -16, height); - if (src_y == height) - dxy &= ~2; - src += src_y * stride + src_x; - - if(s->unrestricted_mv && (s->flags&CODEC_FLAG_EMU_EDGE)){ - if( (unsigned)src_x > h_edge_pos - (motion_x&1) - w - || (unsigned)src_y > v_edge_pos - (motion_y&1) - h){ - ff_emulated_edge_mc(s->edge_emu_buffer, src, s->linesize, w+1, (h+1)<<field_based, - src_x, src_y<<field_based, h_edge_pos, s->v_edge_pos); - src= s->edge_emu_buffer; - emu=1; - } - } - if(field_select) - src += s->linesize; - pix_op[dxy](dest, src, stride, h); - return emu; -} - -/* apply one mpeg motion vector to the three components */ -static av_always_inline void mpeg_motion(MpegEncContext *s, - uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, - int field_based, int bottom_field, int field_select, - uint8_t **ref_picture, op_pixels_func (*pix_op)[4], - int motion_x, int motion_y, int h) -{ - uint8_t *ptr_y, *ptr_cb, *ptr_cr; - int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos, uvlinesize, linesize; - -#if 0 -if(s->quarter_sample) -{ - motion_x>>=1; - motion_y>>=1; -} -#endif - - v_edge_pos = s->v_edge_pos >> field_based; - linesize = s->current_picture.linesize[0] << field_based; - uvlinesize = s->current_picture.linesize[1] << field_based; - - dxy = ((motion_y & 1) << 1) | (motion_x & 1); - src_x = s->mb_x* 16 + (motion_x >> 1); - src_y =(s->mb_y<<(4-field_based)) + (motion_y >> 1); - - if (s->out_format == FMT_H263) { - if((s->workaround_bugs & FF_BUG_HPEL_CHROMA) && field_based){ - mx = (motion_x>>1)|(motion_x&1); - my = motion_y >>1; - uvdxy = ((my & 1) << 1) | (mx & 1); - uvsrc_x = s->mb_x* 8 + (mx >> 1); - uvsrc_y = (s->mb_y<<(3-field_based)) + (my >> 1); - }else{ - uvdxy = dxy | (motion_y & 2) | ((motion_x & 2) >> 1); - uvsrc_x = src_x>>1; - uvsrc_y = src_y>>1; - } - }else if(s->out_format == FMT_H261){//even chroma mv's are full pel in H261 - mx = motion_x / 4; - my = motion_y / 4; - uvdxy = 0; - uvsrc_x = s->mb_x*8 + mx; - uvsrc_y = s->mb_y*8 + my; - } else { - if(s->chroma_y_shift){ - mx = motion_x / 2; - my = motion_y / 2; - uvdxy = ((my & 1) << 1) | (mx & 1); - uvsrc_x = s->mb_x* 8 + (mx >> 1); - uvsrc_y = (s->mb_y<<(3-field_based)) + (my >> 1); - } else { - if(s->chroma_x_shift){ - //Chroma422 - mx = motion_x / 2; - uvdxy = ((motion_y & 1) << 1) | (mx & 1); - uvsrc_x = s->mb_x* 8 + (mx >> 1); - uvsrc_y = src_y; - } else { - //Chroma444 - uvdxy = dxy; - uvsrc_x = src_x; - uvsrc_y = src_y; - } - } - } - - ptr_y = ref_picture[0] + src_y * linesize + src_x; - ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x; - ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x; - - if( (unsigned)src_x > s->h_edge_pos - (motion_x&1) - 16 - || (unsigned)src_y > v_edge_pos - (motion_y&1) - h){ - if(s->codec_id == CODEC_ID_MPEG2VIDEO || - s->codec_id == CODEC_ID_MPEG1VIDEO){ - av_log(s->avctx,AV_LOG_DEBUG,"MPEG motion vector out of boundary\n"); - return ; - } - ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based, - src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos); - ptr_y = s->edge_emu_buffer; - if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ - uint8_t *uvbuf= s->edge_emu_buffer+18*s->linesize; - ff_emulated_edge_mc(uvbuf , ptr_cb, s->uvlinesize, 9, 9+field_based, - uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1); - ff_emulated_edge_mc(uvbuf+16, ptr_cr, s->uvlinesize, 9, 9+field_based, - uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1); - ptr_cb= uvbuf; - ptr_cr= uvbuf+16; - } - } - - if(bottom_field){ //FIXME use this for field pix too instead of the obnoxious hack which changes picture.data - dest_y += s->linesize; - dest_cb+= s->uvlinesize; - dest_cr+= s->uvlinesize; - } - - if(field_select){ - ptr_y += s->linesize; - ptr_cb+= s->uvlinesize; - ptr_cr+= s->uvlinesize; - } - - pix_op[0][dxy](dest_y, ptr_y, linesize, h); - - if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ - pix_op[s->chroma_x_shift][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift); - pix_op[s->chroma_x_shift][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift); - } - if((ENABLE_H261_ENCODER || ENABLE_H261_DECODER) && s->out_format == FMT_H261){ - ff_h261_loop_filter(s); - } -} - -//FIXME move to dsputil, avg variant, 16x16 version -static inline void put_obmc(uint8_t *dst, uint8_t *src[5], int stride){ - int x; - uint8_t * const top = src[1]; - uint8_t * const left = src[2]; - uint8_t * const mid = src[0]; - uint8_t * const right = src[3]; - uint8_t * const bottom= src[4]; -#define OBMC_FILTER(x, t, l, m, r, b)\ - dst[x]= (t*top[x] + l*left[x] + m*mid[x] + r*right[x] + b*bottom[x] + 4)>>3 -#define OBMC_FILTER4(x, t, l, m, r, b)\ - OBMC_FILTER(x , t, l, m, r, b);\ - OBMC_FILTER(x+1 , t, l, m, r, b);\ - OBMC_FILTER(x +stride, t, l, m, r, b);\ - OBMC_FILTER(x+1+stride, t, l, m, r, b); - - x=0; - OBMC_FILTER (x , 2, 2, 4, 0, 0); - OBMC_FILTER (x+1, 2, 1, 5, 0, 0); - OBMC_FILTER4(x+2, 2, 1, 5, 0, 0); - OBMC_FILTER4(x+4, 2, 0, 5, 1, 0); - OBMC_FILTER (x+6, 2, 0, 5, 1, 0); - OBMC_FILTER (x+7, 2, 0, 4, 2, 0); - x+= stride; - OBMC_FILTER (x , 1, 2, 5, 0, 0); - OBMC_FILTER (x+1, 1, 2, 5, 0, 0); - OBMC_FILTER (x+6, 1, 0, 5, 2, 0); - OBMC_FILTER (x+7, 1, 0, 5, 2, 0); - x+= stride; - OBMC_FILTER4(x , 1, 2, 5, 0, 0); - OBMC_FILTER4(x+2, 1, 1, 6, 0, 0); - OBMC_FILTER4(x+4, 1, 0, 6, 1, 0); - OBMC_FILTER4(x+6, 1, 0, 5, 2, 0); - x+= 2*stride; - OBMC_FILTER4(x , 0, 2, 5, 0, 1); - OBMC_FILTER4(x+2, 0, 1, 6, 0, 1); - OBMC_FILTER4(x+4, 0, 0, 6, 1, 1); - OBMC_FILTER4(x+6, 0, 0, 5, 2, 1); - x+= 2*stride; - OBMC_FILTER (x , 0, 2, 5, 0, 1); - OBMC_FILTER (x+1, 0, 2, 5, 0, 1); - OBMC_FILTER4(x+2, 0, 1, 5, 0, 2); - OBMC_FILTER4(x+4, 0, 0, 5, 1, 2); - OBMC_FILTER (x+6, 0, 0, 5, 2, 1); - OBMC_FILTER (x+7, 0, 0, 5, 2, 1); - x+= stride; - OBMC_FILTER (x , 0, 2, 4, 0, 2); - OBMC_FILTER (x+1, 0, 1, 5, 0, 2); - OBMC_FILTER (x+6, 0, 0, 5, 1, 2); - OBMC_FILTER (x+7, 0, 0, 4, 2, 2); -} - -/* obmc for 1 8x8 luma block */ -static inline void obmc_motion(MpegEncContext *s, - uint8_t *dest, uint8_t *src, - int src_x, int src_y, - op_pixels_func *pix_op, - int16_t mv[5][2]/* mid top left right bottom*/) -#define MID 0 -{ - int i; - uint8_t *ptr[5]; - - assert(s->quarter_sample==0); - - for(i=0; i<5; i++){ - if(i && mv[i][0]==mv[MID][0] && mv[i][1]==mv[MID][1]){ - ptr[i]= ptr[MID]; - }else{ - ptr[i]= s->obmc_scratchpad + 8*(i&1) + s->linesize*8*(i>>1); - hpel_motion(s, ptr[i], src, 0, 0, - src_x, src_y, - s->width, s->height, s->linesize, - s->h_edge_pos, s->v_edge_pos, - 8, 8, pix_op, - mv[i][0], mv[i][1]); - } - } - - put_obmc(dest, ptr, s->linesize); -} - -static inline void qpel_motion(MpegEncContext *s, - uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, - int field_based, int bottom_field, int field_select, - uint8_t **ref_picture, op_pixels_func (*pix_op)[4], - qpel_mc_func (*qpix_op)[16], - int motion_x, int motion_y, int h) -{ - uint8_t *ptr_y, *ptr_cb, *ptr_cr; - int dxy, uvdxy, mx, my, src_x, src_y, uvsrc_x, uvsrc_y, v_edge_pos, linesize, uvlinesize; - - dxy = ((motion_y & 3) << 2) | (motion_x & 3); - src_x = s->mb_x * 16 + (motion_x >> 2); - src_y = s->mb_y * (16 >> field_based) + (motion_y >> 2); - - v_edge_pos = s->v_edge_pos >> field_based; - linesize = s->linesize << field_based; - uvlinesize = s->uvlinesize << field_based; - - if(field_based){ - mx= motion_x/2; - my= motion_y>>1; - }else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA2){ - static const int rtab[8]= {0,0,1,1,0,0,0,1}; - mx= (motion_x>>1) + rtab[motion_x&7]; - my= (motion_y>>1) + rtab[motion_y&7]; - }else if(s->workaround_bugs&FF_BUG_QPEL_CHROMA){ - mx= (motion_x>>1)|(motion_x&1); - my= (motion_y>>1)|(motion_y&1); - }else{ - mx= motion_x/2; - my= motion_y/2; - } - mx= (mx>>1)|(mx&1); - my= (my>>1)|(my&1); - - uvdxy= (mx&1) | ((my&1)<<1); - mx>>=1; - my>>=1; - - uvsrc_x = s->mb_x * 8 + mx; - uvsrc_y = s->mb_y * (8 >> field_based) + my; - - ptr_y = ref_picture[0] + src_y * linesize + src_x; - ptr_cb = ref_picture[1] + uvsrc_y * uvlinesize + uvsrc_x; - ptr_cr = ref_picture[2] + uvsrc_y * uvlinesize + uvsrc_x; - - if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 16 - || (unsigned)src_y > v_edge_pos - (motion_y&3) - h ){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr_y, s->linesize, 17, 17+field_based, - src_x, src_y<<field_based, s->h_edge_pos, s->v_edge_pos); - ptr_y= s->edge_emu_buffer; - if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ - uint8_t *uvbuf= s->edge_emu_buffer + 18*s->linesize; - ff_emulated_edge_mc(uvbuf, ptr_cb, s->uvlinesize, 9, 9 + field_based, - uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1); - ff_emulated_edge_mc(uvbuf + 16, ptr_cr, s->uvlinesize, 9, 9 + field_based, - uvsrc_x, uvsrc_y<<field_based, s->h_edge_pos>>1, s->v_edge_pos>>1); - ptr_cb= uvbuf; - ptr_cr= uvbuf + 16; - } - } - - if(!field_based) - qpix_op[0][dxy](dest_y, ptr_y, linesize); - else{ - if(bottom_field){ - dest_y += s->linesize; - dest_cb+= s->uvlinesize; - dest_cr+= s->uvlinesize; - } - - if(field_select){ - ptr_y += s->linesize; - ptr_cb += s->uvlinesize; - ptr_cr += s->uvlinesize; - } - //damn interlaced mode - //FIXME boundary mirroring is not exactly correct here - qpix_op[1][dxy](dest_y , ptr_y , linesize); - qpix_op[1][dxy](dest_y+8, ptr_y+8, linesize); - } - if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ - pix_op[1][uvdxy](dest_cr, ptr_cr, uvlinesize, h >> 1); - pix_op[1][uvdxy](dest_cb, ptr_cb, uvlinesize, h >> 1); - } -} - -/** - * h263 chroma 4mv motion compensation. - */ -static inline void chroma_4mv_motion(MpegEncContext *s, - uint8_t *dest_cb, uint8_t *dest_cr, - uint8_t **ref_picture, - op_pixels_func *pix_op, - int mx, int my){ - int dxy, emu=0, src_x, src_y, offset; - uint8_t *ptr; - - /* In case of 8X8, we construct a single chroma motion vector - with a special rounding */ - mx= ff_h263_round_chroma(mx); - my= ff_h263_round_chroma(my); - - dxy = ((my & 1) << 1) | (mx & 1); - mx >>= 1; - my >>= 1; - - src_x = s->mb_x * 8 + mx; - src_y = s->mb_y * 8 + my; - src_x = av_clip(src_x, -8, s->width/2); - if (src_x == s->width/2) - dxy &= ~1; - src_y = av_clip(src_y, -8, s->height/2); - if (src_y == s->height/2) - dxy &= ~2; - - offset = (src_y * (s->uvlinesize)) + src_x; - ptr = ref_picture[1] + offset; - if(s->flags&CODEC_FLAG_EMU_EDGE){ - if( (unsigned)src_x > (s->h_edge_pos>>1) - (dxy &1) - 8 - || (unsigned)src_y > (s->v_edge_pos>>1) - (dxy>>1) - 8){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); - ptr= s->edge_emu_buffer; - emu=1; - } - } - pix_op[dxy](dest_cb, ptr, s->uvlinesize, 8); - - ptr = ref_picture[2] + offset; - if(emu){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->uvlinesize, 9, 9, src_x, src_y, s->h_edge_pos>>1, s->v_edge_pos>>1); - ptr= s->edge_emu_buffer; - } - pix_op[dxy](dest_cr, ptr, s->uvlinesize, 8); -} - -static inline void prefetch_motion(MpegEncContext *s, uint8_t **pix, int dir){ - /* fetch pixels for estimated mv 4 macroblocks ahead - * optimized for 64byte cache lines */ - const int shift = s->quarter_sample ? 2 : 1; - const int mx= (s->mv[dir][0][0]>>shift) + 16*s->mb_x + 8; - const int my= (s->mv[dir][0][1]>>shift) + 16*s->mb_y; - int off= mx + (my + (s->mb_x&3)*4)*s->linesize + 64; - s->dsp.prefetch(pix[0]+off, s->linesize, 4); - off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64; - s->dsp.prefetch(pix[1]+off, pix[2]-pix[1], 2); -} - -/** - * motion compensation of a single macroblock - * @param s context - * @param dest_y luma destination pointer - * @param dest_cb chroma cb/u destination pointer - * @param dest_cr chroma cr/v destination pointer - * @param dir direction (0->forward, 1->backward) - * @param ref_picture array[3] of pointers to the 3 planes of the reference picture - * @param pic_op halfpel motion compensation function (average or put normally) - * @param pic_op qpel motion compensation function (average or put normally) - * the motion vectors are taken from s->mv and the MV type from s->mv_type - */ -static inline void MPV_motion(MpegEncContext *s, - uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr, - int dir, uint8_t **ref_picture, - op_pixels_func (*pix_op)[4], qpel_mc_func (*qpix_op)[16]) -{ - int dxy, mx, my, src_x, src_y, motion_x, motion_y; - int mb_x, mb_y, i; - uint8_t *ptr, *dest; - - mb_x = s->mb_x; - mb_y = s->mb_y; - - prefetch_motion(s, ref_picture, dir); - - if(s->obmc && s->pict_type != B_TYPE){ - int16_t mv_cache[4][4][2]; - const int xy= s->mb_x + s->mb_y*s->mb_stride; - const int mot_stride= s->b8_stride; - const int mot_xy= mb_x*2 + mb_y*2*mot_stride; - - assert(!s->mb_skipped); - - memcpy(mv_cache[1][1], s->current_picture.motion_val[0][mot_xy ], sizeof(int16_t)*4); - memcpy(mv_cache[2][1], s->current_picture.motion_val[0][mot_xy+mot_stride], sizeof(int16_t)*4); - memcpy(mv_cache[3][1], s->current_picture.motion_val[0][mot_xy+mot_stride], sizeof(int16_t)*4); - - if(mb_y==0 || IS_INTRA(s->current_picture.mb_type[xy-s->mb_stride])){ - memcpy(mv_cache[0][1], mv_cache[1][1], sizeof(int16_t)*4); - }else{ - memcpy(mv_cache[0][1], s->current_picture.motion_val[0][mot_xy-mot_stride], sizeof(int16_t)*4); - } - - if(mb_x==0 || IS_INTRA(s->current_picture.mb_type[xy-1])){ - *(int32_t*)mv_cache[1][0]= *(int32_t*)mv_cache[1][1]; - *(int32_t*)mv_cache[2][0]= *(int32_t*)mv_cache[2][1]; - }else{ - *(int32_t*)mv_cache[1][0]= *(int32_t*)s->current_picture.motion_val[0][mot_xy-1]; - *(int32_t*)mv_cache[2][0]= *(int32_t*)s->current_picture.motion_val[0][mot_xy-1+mot_stride]; - } - - if(mb_x+1>=s->mb_width || IS_INTRA(s->current_picture.mb_type[xy+1])){ - *(int32_t*)mv_cache[1][3]= *(int32_t*)mv_cache[1][2]; - *(int32_t*)mv_cache[2][3]= *(int32_t*)mv_cache[2][2]; - }else{ - *(int32_t*)mv_cache[1][3]= *(int32_t*)s->current_picture.motion_val[0][mot_xy+2]; - *(int32_t*)mv_cache[2][3]= *(int32_t*)s->current_picture.motion_val[0][mot_xy+2+mot_stride]; - } - - mx = 0; - my = 0; - for(i=0;i<4;i++) { - const int x= (i&1)+1; - const int y= (i>>1)+1; - int16_t mv[5][2]= { - {mv_cache[y][x ][0], mv_cache[y][x ][1]}, - {mv_cache[y-1][x][0], mv_cache[y-1][x][1]}, - {mv_cache[y][x-1][0], mv_cache[y][x-1][1]}, - {mv_cache[y][x+1][0], mv_cache[y][x+1][1]}, - {mv_cache[y+1][x][0], mv_cache[y+1][x][1]}}; - //FIXME cleanup - obmc_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize, - ref_picture[0], - mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8, - pix_op[1], - mv); - - mx += mv[0][0]; - my += mv[0][1]; - } - if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)) - chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my); - - return; - } - - switch(s->mv_type) { - case MV_TYPE_16X16: - if(s->mcsel){ - if(s->real_sprite_warping_points==1){ - gmc1_motion(s, dest_y, dest_cb, dest_cr, - ref_picture); - }else{ - gmc_motion(s, dest_y, dest_cb, dest_cr, - ref_picture); - } - }else if(s->quarter_sample){ - qpel_motion(s, dest_y, dest_cb, dest_cr, - 0, 0, 0, - ref_picture, pix_op, qpix_op, - s->mv[dir][0][0], s->mv[dir][0][1], 16); - }else if(ENABLE_WMV2 && s->mspel){ - ff_mspel_motion(s, dest_y, dest_cb, dest_cr, - ref_picture, pix_op, - s->mv[dir][0][0], s->mv[dir][0][1], 16); - }else - { - mpeg_motion(s, dest_y, dest_cb, dest_cr, - 0, 0, 0, - ref_picture, pix_op, - s->mv[dir][0][0], s->mv[dir][0][1], 16); - } - break; - case MV_TYPE_8X8: - mx = 0; - my = 0; - if(s->quarter_sample){ - for(i=0;i<4;i++) { - motion_x = s->mv[dir][i][0]; - motion_y = s->mv[dir][i][1]; - - dxy = ((motion_y & 3) << 2) | (motion_x & 3); - src_x = mb_x * 16 + (motion_x >> 2) + (i & 1) * 8; - src_y = mb_y * 16 + (motion_y >> 2) + (i >>1) * 8; - - /* WARNING: do no forget half pels */ - src_x = av_clip(src_x, -16, s->width); - if (src_x == s->width) - dxy &= ~3; - src_y = av_clip(src_y, -16, s->height); - if (src_y == s->height) - dxy &= ~12; - - ptr = ref_picture[0] + (src_y * s->linesize) + (src_x); - if(s->flags&CODEC_FLAG_EMU_EDGE){ - if( (unsigned)src_x > s->h_edge_pos - (motion_x&3) - 8 - || (unsigned)src_y > s->v_edge_pos - (motion_y&3) - 8 ){ - ff_emulated_edge_mc(s->edge_emu_buffer, ptr, s->linesize, 9, 9, src_x, src_y, s->h_edge_pos, s->v_edge_pos); - ptr= s->edge_emu_buffer; - } - } - dest = dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize; - qpix_op[1][dxy](dest, ptr, s->linesize); - - mx += s->mv[dir][i][0]/2; - my += s->mv[dir][i][1]/2; - } - }else{ - for(i=0;i<4;i++) { - hpel_motion(s, dest_y + ((i & 1) * 8) + (i >> 1) * 8 * s->linesize, - ref_picture[0], 0, 0, - mb_x * 16 + (i & 1) * 8, mb_y * 16 + (i >>1) * 8, - s->width, s->height, s->linesize, - s->h_edge_pos, s->v_edge_pos, - 8, 8, pix_op[1], - s->mv[dir][i][0], s->mv[dir][i][1]); - - mx += s->mv[dir][i][0]; - my += s->mv[dir][i][1]; - } - } - - if(!ENABLE_GRAY || !(s->flags&CODEC_FLAG_GRAY)) - chroma_4mv_motion(s, dest_cb, dest_cr, ref_picture, pix_op[1], mx, my); - break; - case MV_TYPE_FIELD: - if (s->picture_structure == PICT_FRAME) { - if(s->quarter_sample){ - for(i=0; i<2; i++){ - qpel_motion(s, dest_y, dest_cb, dest_cr, - 1, i, s->field_select[dir][i], - ref_picture, pix_op, qpix_op, - s->mv[dir][i][0], s->mv[dir][i][1], 8); - } - }else{ - /* top field */ - mpeg_motion(s, dest_y, dest_cb, dest_cr, - 1, 0, s->field_select[dir][0], - ref_picture, pix_op, - s->mv[dir][0][0], s->mv[dir][0][1], 8); - /* bottom field */ - mpeg_motion(s, dest_y, dest_cb, dest_cr, - 1, 1, s->field_select[dir][1], - ref_picture, pix_op, - s->mv[dir][1][0], s->mv[dir][1][1], 8); - } - } else { - if(s->picture_structure != s->field_select[dir][0] + 1 && s->pict_type != B_TYPE && !s->first_field){ - ref_picture= s->current_picture_ptr->data; - } - - mpeg_motion(s, dest_y, dest_cb, dest_cr, - 0, 0, s->field_select[dir][0], - ref_picture, pix_op, - s->mv[dir][0][0], s->mv[dir][0][1], 16); - } - break; - case MV_TYPE_16X8: - for(i=0; i<2; i++){ - uint8_t ** ref2picture; - - if(s->picture_structure == s->field_select[dir][i] + 1 || s->pict_type == B_TYPE || s->first_field){ - ref2picture= ref_picture; - }else{ - ref2picture= s->current_picture_ptr->data; - } - - mpeg_motion(s, dest_y, dest_cb, dest_cr, - 0, 0, s->field_select[dir][i], - ref2picture, pix_op, - s->mv[dir][i][0], s->mv[dir][i][1] + 16*i, 8); - - dest_y += 16*s->linesize; - dest_cb+= (16>>s->chroma_y_shift)*s->uvlinesize; - dest_cr+= (16>>s->chroma_y_shift)*s->uvlinesize; - } - break; - case MV_TYPE_DMV: - if(s->picture_structure == PICT_FRAME){ - for(i=0; i<2; i++){ - int j; - for(j=0; j<2; j++){ - mpeg_motion(s, dest_y, dest_cb, dest_cr, - 1, j, j^i, - ref_picture, pix_op, - s->mv[dir][2*i + j][0], s->mv[dir][2*i + j][1], 8); - } - pix_op = s->dsp.avg_pixels_tab; - } - }else{ - for(i=0; i<2; i++){ - mpeg_motion(s, dest_y, dest_cb, dest_cr, - 0, 0, s->picture_structure != i+1, - ref_picture, pix_op, - s->mv[dir][2*i][0],s->mv[dir][2*i][1],16); - - // after put we make avg of the same block - pix_op=s->dsp.avg_pixels_tab; - - //opposite parity is always in the same frame if this is second field - if(!s->first_field){ - ref_picture = s->current_picture_ptr->data; - } - } - } - break; - default: assert(0); - } -} - -#endif /* FFMPEG_MPEGVIDEO_COMMON_H */ |