diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2004-05-12 02:03:24 +0000 |
---|---|---|
committer | Michael Niedermayer <michaelni@gmx.at> | 2004-05-12 02:03:24 +0000 |
commit | 5e13a73006958c201a6aa07de9b8cf6040616f97 (patch) | |
tree | 39b6f0f851cbcb27a395f0a317e717af1778fe84 /libavcodec | |
parent | caa50878f4c5f323467ada8f1b63458bf5f7b810 (diff) | |
download | ffmpeg-5e13a73006958c201a6aa07de9b8cf6040616f97.tar.gz |
motion estimation for SVQ1
Originally committed as revision 3126 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec')
-rw-r--r-- | libavcodec/h263.c | 47 | ||||
-rw-r--r-- | libavcodec/mpegvideo.h | 1 | ||||
-rw-r--r-- | libavcodec/svq1.c | 215 | ||||
-rw-r--r-- | libavcodec/svq1_vlc.h | 22 |
4 files changed, 200 insertions, 85 deletions
diff --git a/libavcodec/h263.c b/libavcodec/h263.c index 59d746272c..24ba4b09ac 100644 --- a/libavcodec/h263.c +++ b/libavcodec/h263.c @@ -56,7 +56,6 @@ #ifdef CONFIG_ENCODERS static void h263_encode_block(MpegEncContext * s, DCTELEM * block, int n); -static void h263_encode_motion(MpegEncContext * s, int val, int fcode); static void h263p_encode_umotion(MpegEncContext * s, int val); static inline void mpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n, int dc, uint8_t *scan_table, @@ -851,23 +850,23 @@ void mpeg4_encode_mb(MpegEncContext * s, if(mb_type == 0){ assert(s->mv_dir & MV_DIRECT); - h263_encode_motion(s, motion_x, 1); - h263_encode_motion(s, motion_y, 1); + ff_h263_encode_motion(s, motion_x, 1); + ff_h263_encode_motion(s, motion_y, 1); s->b_count++; s->f_count++; }else{ assert(mb_type > 0 && mb_type < 4); if(s->mv_type != MV_TYPE_FIELD){ if(s->mv_dir & MV_DIR_FORWARD){ - h263_encode_motion(s, s->mv[0][0][0] - s->last_mv[0][0][0], s->f_code); - h263_encode_motion(s, s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code); + ff_h263_encode_motion(s, s->mv[0][0][0] - s->last_mv[0][0][0], s->f_code); + ff_h263_encode_motion(s, s->mv[0][0][1] - s->last_mv[0][0][1], s->f_code); s->last_mv[0][0][0]= s->last_mv[0][1][0]= s->mv[0][0][0]; s->last_mv[0][0][1]= s->last_mv[0][1][1]= s->mv[0][0][1]; s->f_count++; } if(s->mv_dir & MV_DIR_BACKWARD){ - h263_encode_motion(s, s->mv[1][0][0] - s->last_mv[1][0][0], s->b_code); - h263_encode_motion(s, s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code); + ff_h263_encode_motion(s, s->mv[1][0][0] - s->last_mv[1][0][0], s->b_code); + ff_h263_encode_motion(s, s->mv[1][0][1] - s->last_mv[1][0][1], s->b_code); s->last_mv[1][0][0]= s->last_mv[1][1][0]= s->mv[1][0][0]; s->last_mv[1][0][1]= s->last_mv[1][1][1]= s->mv[1][0][1]; s->b_count++; @@ -883,8 +882,8 @@ void mpeg4_encode_mb(MpegEncContext * s, } if(s->mv_dir & MV_DIR_FORWARD){ for(i=0; i<2; i++){ - h263_encode_motion(s, s->mv[0][i][0] - s->last_mv[0][i][0] , s->f_code); - h263_encode_motion(s, s->mv[0][i][1] - s->last_mv[0][i][1]/2, s->f_code); + ff_h263_encode_motion(s, s->mv[0][i][0] - s->last_mv[0][i][0] , s->f_code); + ff_h263_encode_motion(s, s->mv[0][i][1] - s->last_mv[0][i][1]/2, s->f_code); s->last_mv[0][i][0]= s->mv[0][i][0]; s->last_mv[0][i][1]= s->mv[0][i][1]*2; } @@ -892,8 +891,8 @@ void mpeg4_encode_mb(MpegEncContext * s, } if(s->mv_dir & MV_DIR_BACKWARD){ for(i=0; i<2; i++){ - h263_encode_motion(s, s->mv[1][i][0] - s->last_mv[1][i][0] , s->b_code); - h263_encode_motion(s, s->mv[1][i][1] - s->last_mv[1][i][1]/2, s->b_code); + ff_h263_encode_motion(s, s->mv[1][i][0] - s->last_mv[1][i][0] , s->b_code); + ff_h263_encode_motion(s, s->mv[1][i][1] - s->last_mv[1][i][1]/2, s->b_code); s->last_mv[1][i][0]= s->mv[1][i][0]; s->last_mv[1][i][1]= s->mv[1][i][1]*2; } @@ -993,8 +992,8 @@ void mpeg4_encode_mb(MpegEncContext * s, /* motion vectors: 16x16 mode */ h263_pred_motion(s, 0, 0, &pred_x, &pred_y); - h263_encode_motion(s, motion_x - pred_x, s->f_code); - h263_encode_motion(s, motion_y - pred_y, s->f_code); + ff_h263_encode_motion(s, motion_x - pred_x, s->f_code); + ff_h263_encode_motion(s, motion_y - pred_y, s->f_code); }else if(s->mv_type==MV_TYPE_FIELD){ if(s->dquant) cbpc+= 8; put_bits(&s->pb, @@ -1021,10 +1020,10 @@ void mpeg4_encode_mb(MpegEncContext * s, put_bits(&s->pb, 1, s->field_select[0][0]); put_bits(&s->pb, 1, s->field_select[0][1]); - h263_encode_motion(s, s->mv[0][0][0] - pred_x, s->f_code); - h263_encode_motion(s, s->mv[0][0][1] - pred_y, s->f_code); - h263_encode_motion(s, s->mv[0][1][0] - pred_x, s->f_code); - h263_encode_motion(s, s->mv[0][1][1] - pred_y, s->f_code); + ff_h263_encode_motion(s, s->mv[0][0][0] - pred_x, s->f_code); + ff_h263_encode_motion(s, s->mv[0][0][1] - pred_y, s->f_code); + ff_h263_encode_motion(s, s->mv[0][1][0] - pred_x, s->f_code); + ff_h263_encode_motion(s, s->mv[0][1][1] - pred_y, s->f_code); }else{ assert(s->mv_type==MV_TYPE_8X8); put_bits(&s->pb, @@ -1045,8 +1044,8 @@ void mpeg4_encode_mb(MpegEncContext * s, /* motion vectors: 8x8 mode*/ h263_pred_motion(s, i, 0, &pred_x, &pred_y); - h263_encode_motion(s, s->current_picture.motion_val[0][ s->block_index[i] ][0] - pred_x, s->f_code); - h263_encode_motion(s, s->current_picture.motion_val[0][ s->block_index[i] ][1] - pred_y, s->f_code); + ff_h263_encode_motion(s, s->current_picture.motion_val[0][ s->block_index[i] ][0] - pred_x, s->f_code); + ff_h263_encode_motion(s, s->current_picture.motion_val[0][ s->block_index[i] ][1] - pred_y, s->f_code); } } @@ -1186,8 +1185,8 @@ void h263_encode_mb(MpegEncContext * s, h263_pred_motion(s, 0, 0, &pred_x, &pred_y); if (!s->umvplus) { - h263_encode_motion(s, motion_x - pred_x, 1); - h263_encode_motion(s, motion_y - pred_y, 1); + ff_h263_encode_motion(s, motion_x - pred_x, 1); + ff_h263_encode_motion(s, motion_y - pred_y, 1); } else { h263p_encode_umotion(s, motion_x - pred_x); @@ -1215,8 +1214,8 @@ void h263_encode_mb(MpegEncContext * s, motion_x= s->current_picture.motion_val[0][ s->block_index[i] ][0]; motion_y= s->current_picture.motion_val[0][ s->block_index[i] ][1]; if (!s->umvplus) { - h263_encode_motion(s, motion_x - pred_x, 1); - h263_encode_motion(s, motion_y - pred_y, 1); + ff_h263_encode_motion(s, motion_x - pred_x, 1); + ff_h263_encode_motion(s, motion_y - pred_y, 1); } else { h263p_encode_umotion(s, motion_x - pred_x); @@ -1619,7 +1618,7 @@ int16_t *h263_pred_motion(MpegEncContext * s, int block, int dir, } #ifdef CONFIG_ENCODERS -static void h263_encode_motion(MpegEncContext * s, int val, int f_code) +void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code) { int range, l, bit_size, sign, code, bits; diff --git a/libavcodec/mpegvideo.h b/libavcodec/mpegvideo.h index b36330d91e..0bdf0a305c 100644 --- a/libavcodec/mpegvideo.h +++ b/libavcodec/mpegvideo.h @@ -903,6 +903,7 @@ int ff_h263_resync(MpegEncContext *s); int ff_h263_get_gob_height(MpegEncContext *s); int ff_mpeg4_set_direct_mv(MpegEncContext *s, int mx, int my); inline int ff_h263_round_chroma(int x); +void ff_h263_encode_motion(MpegEncContext * s, int val, int f_code); /* rv10.c */ diff --git a/libavcodec/svq1.c b/libavcodec/svq1.c index 8fec2a31eb..1bf65217ec 100644 --- a/libavcodec/svq1.c +++ b/libavcodec/svq1.c @@ -48,6 +48,8 @@ #undef NDEBUG #include <assert.h> +extern const uint8_t mvtab[33][2]; + static VLC svq1_block_type; static VLC svq1_motion_component; static VLC svq1_intra_multistage[6]; @@ -55,15 +57,13 @@ static VLC svq1_inter_multistage[6]; static VLC svq1_intra_mean; static VLC svq1_inter_mean; -#define MEDIAN(a,b,c) (((a < b) != (b >= c)) ? b : (((a < c) != (c > b)) ? c : a)) - #define SVQ1_BLOCK_SKIP 0 #define SVQ1_BLOCK_INTER 1 #define SVQ1_BLOCK_INTER_4V 2 #define SVQ1_BLOCK_INTRA 3 typedef struct SVQ1Context { - + MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX) AVCodecContext *avctx; DSPContext dsp; AVFrame picture; @@ -86,6 +86,11 @@ typedef struct SVQ1Context { int c_block_height; unsigned char *c_plane; + + uint16_t *mb_type; + uint32_t *dummy; + int16_t (*motion_val8[3])[2]; + int16_t (*motion_val16[3])[2]; int64_t rd_total; } SVQ1Context; @@ -349,13 +354,18 @@ static int svq1_decode_motion_vector (GetBitContext *bitbuf, svq1_pmv_t *mv, svq for (i=0; i < 2; i++) { /* get motion code */ - diff = get_vlc2(bitbuf, svq1_motion_component.table, 7, 2) - 32; + diff = get_vlc2(bitbuf, svq1_motion_component.table, 7, 2); + if(diff<0) + return -1; + else if(diff){ + if(get_bits1(bitbuf)) diff= -diff; + } /* add median of motion vector predictors and clip result */ if (i == 1) - mv->y = ((diff + MEDIAN(pmv[0]->y, pmv[1]->y, pmv[2]->y)) << 26) >> 26; + mv->y = ((diff + mid_pred(pmv[0]->y, pmv[1]->y, pmv[2]->y)) << 26) >> 26; else - mv->x = ((diff + MEDIAN(pmv[0]->x, pmv[1]->x, pmv[2]->x)) << 26) >> 26; + mv->x = ((diff + mid_pred(pmv[0]->x, pmv[1]->x, pmv[2]->x)) << 26) >> 26; } return 0; @@ -834,9 +844,9 @@ static int svq1_decode_init(AVCodecContext *avctx) &svq1_block_type_vlc[0][1], 2, 1, &svq1_block_type_vlc[0][0], 2, 1); - init_vlc(&svq1_motion_component, 7, 65, - &svq1_motion_component_vlc[0][1], 2, 1, - &svq1_motion_component_vlc[0][0], 2, 1); + init_vlc(&svq1_motion_component, 7, 33, + &mvtab[0][1], 2, 1, + &mvtab[0][0], 2, 1); for (i = 0; i < 6; i++) { init_vlc(&svq1_intra_multistage[i], 3, 8, @@ -1461,7 +1471,7 @@ static int encode_block(SVQ1Context *s, uint8_t *src, uint8_t *ref, uint8_t *dec return best_score; } -static void svq1_encode_plane(SVQ1Context *s, unsigned char *src_plane, unsigned char *ref_plane, unsigned char *decoded_plane, +static void svq1_encode_plane(SVQ1Context *s, int plane, unsigned char *src_plane, unsigned char *ref_plane, unsigned char *decoded_plane, int width, int height, int src_stride, int stride) { unsigned char buffer0[256]; @@ -1493,6 +1503,75 @@ av_log(s->avctx, AV_LOG_INFO, "********* frame #%d\n", frame++); block_width = (width + 15) / 16; block_height = (height + 15) / 16; + if(s->picture.pict_type == P_TYPE){ + s->m.avctx= s->avctx; + s->m.current_picture_ptr= &s->m.current_picture; + s->m.last_picture_ptr = &s->m.last_picture; + s->m.last_picture.data[0]= ref_plane; + s->m.linesize= + s->m.last_picture.linesize[0]= + s->m.new_picture.linesize[0]= + s->m.current_picture.linesize[0]= stride; + s->m.width= width; + s->m.height= height; + s->m.mb_width= block_width; + s->m.mb_height= block_height; + s->m.mb_stride= s->m.mb_width+1; + s->m.b8_stride= 2*s->m.mb_width+1; + s->m.f_code=1; + s->m.pict_type= s->picture.pict_type; + s->m.qscale= s->picture.quality/FF_QP2LAMBDA; + s->m.me_method= s->avctx->me_method; + + if(!s->motion_val8[plane]){ + s->motion_val8 [plane]= av_mallocz(s->m.b8_stride*block_height*2*2*sizeof(int16_t)); + s->motion_val16[plane]= av_mallocz(s->m.mb_stride*block_height*2*sizeof(int16_t)); + } + + s->m.mb_type= s->mb_type; + + //dummies, to avoid segfaults + s->m.current_picture.mb_mean= s->dummy; + s->m.current_picture.mb_var= s->dummy; + s->m.current_picture.mc_mb_var= s->dummy; + s->m.current_picture.mb_type= s->dummy; + + s->m.current_picture.motion_val[0]= s->motion_val8[plane]; + s->m.p_mv_table= s->motion_val16[plane]; + s->m.dsp= s->dsp; //move + ff_init_me(&s->m); + + s->m.me.dia_size= s->avctx->dia_size; + s->m.first_slice_line=1; + for (y = 0; y < block_height; y++) { + uint8_t src[stride*16]; + + s->m.new_picture.data[0]= src - y*16*stride; //ugly + s->m.mb_y= y; + + for(i=0; i<16 && i + 16*y<height; i++){ + memcpy(&src[i*stride], &src_plane[(i+16*y)*src_stride], width); + for(x=width; x<16*block_width; x++) + src[i*stride+x]= src[i*stride+x-1]; + } + for(; i<16 && i + 16*y<16*block_height; i++) + memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width); + + for (x = 0; x < block_width; x++) { + s->m.mb_x= x; + ff_init_block_index(&s->m); + ff_update_block_index(&s->m); + + ff_estimate_p_frame_motion(&s->m, x, y); + } + s->m.first_slice_line=0; + } + + ff_fix_long_p_mvs(&s->m); + ff_fix_long_mvs(&s->m, NULL, 0, s->m.p_mv_table, s->m.f_code, CANDIDATE_MB_TYPE_INTER, 0); + } + + s->m.first_slice_line=1; for (y = 0; y < block_height; y++) { uint8_t src[stride*16]; @@ -1504,53 +1583,91 @@ av_log(s->avctx, AV_LOG_INFO, "********* frame #%d\n", frame++); for(; i<16 && i + 16*y<16*block_height; i++) memcpy(&src[i*stride], &src[(i-1)*stride], 16*block_width); + s->m.mb_y= y; for (x = 0; x < block_width; x++) { - uint8_t reorder_buffer[2][6][7*32]; - int count[2][6]; + uint8_t reorder_buffer[3][6][7*32]; + int count[3][6]; int offset = y * 16 * stride + x * 16; uint8_t *decoded= decoded_plane + offset; uint8_t *ref= ref_plane + offset; - int score[2]={0,0}, best; + int score[4]={0,0,0,0}, best; uint8_t temp[16*stride]; + s->m.mb_x= x; + ff_init_block_index(&s->m); + ff_update_block_index(&s->m); #ifdef DEBUG_SVQ1 av_log(s->avctx, AV_LOG_INFO, "* level 5 vector @ %d, %d:\n", x * 16, y * 16); #endif - for(i=0; i<6; i++){ - init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i], 7*32); - } - if(s->picture.pict_type == P_TYPE){ - const uint8_t *vlc= svq1_block_type_vlc[SVQ1_BLOCK_INTRA]; - put_bits(&s->reorder_pb[5], vlc[1], vlc[0]); - score[0]= vlc[1]*lambda; - } - score[0]+= encode_block(s, src+16*x, ref, temp, stride, 5, 64, lambda, 1); - for(i=0; i<6; i++){ - count[0][i]= put_bits_count(&s->reorder_pb[i]); - flush_put_bits(&s->reorder_pb[i]); - init_put_bits(&s->reorder_pb[i], reorder_buffer[1][i], 7*32); - } + if(s->picture.pict_type == I_TYPE || (s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTRA)){ + for(i=0; i<6; i++){ + init_put_bits(&s->reorder_pb[i], reorder_buffer[0][i], 7*32); + } + if(s->picture.pict_type == P_TYPE){ + const uint8_t *vlc= svq1_block_type_vlc[SVQ1_BLOCK_INTRA]; + put_bits(&s->reorder_pb[5], vlc[1], vlc[0]); + score[0]= vlc[1]*lambda; + } + score[0]+= encode_block(s, src+16*x, NULL, temp, stride, 5, 64, lambda, 1); + for(i=0; i<6; i++){ + count[0][i]= put_bits_count(&s->reorder_pb[i]); + flush_put_bits(&s->reorder_pb[i]); + } + }else + score[0]= INT_MAX; + + best=0; + if(s->picture.pict_type == P_TYPE){ const uint8_t *vlc= svq1_block_type_vlc[SVQ1_BLOCK_INTER]; - put_bits(&s->reorder_pb[5], vlc[1], vlc[0]); - score[1] = vlc[1]*lambda; - for(i=0; i<2; i++){ - vlc= svq1_motion_component_vlc[32]; + int mx, my, pred_x, pred_y, dxy; + int16_t *motion_ptr; + + motion_ptr= h263_pred_motion(&s->m, 0, 0, &pred_x, &pred_y); + if(s->m.mb_type[x + y*s->m.mb_stride]&CANDIDATE_MB_TYPE_INTER){ + for(i=0; i<6; i++) + init_put_bits(&s->reorder_pb[i], reorder_buffer[1][i], 7*32); + put_bits(&s->reorder_pb[5], vlc[1], vlc[0]); - score[1] += vlc[1]*lambda; + + s->m.pb= s->reorder_pb[5]; + mx= motion_ptr[0]; + my= motion_ptr[1]; + assert(mx>=-32 && mx<=31); + assert(my>=-32 && my<=31); + assert(pred_x>=-32 && pred_x<=31); + assert(pred_y>=-32 && pred_y<=31); + ff_h263_encode_motion(&s->m, mx - pred_x, 1); + ff_h263_encode_motion(&s->m, my - pred_y, 1); + s->reorder_pb[5]= s->m.pb; + score[1] += lambda*put_bits_count(&s->reorder_pb[5]); + + dxy= (mx&1) + 2*(my&1); + + s->dsp.put_pixels_tab[0][dxy](temp+16, ref + (mx>>1) + stride*(my>>1), stride, 16); + + score[1]+= encode_block(s, src+16*x, temp+16, decoded, stride, 5, 64, lambda, 0); + best= score[1] <= score[0]; } - - score[1]+= encode_block(s, src+16*x, ref, decoded, stride, 5, 64, lambda, 0); - best= score[1] <= score[0]; +#if 0 + if(skiped_score <= score[best]){ + best=3; + ... + } +#endif if(best==1){ for(i=0; i<6; i++){ count[1][i]= put_bits_count(&s->reorder_pb[i]); flush_put_bits(&s->reorder_pb[i]); } + }else{ + motion_ptr[0 ] = motion_ptr[1 ]= + motion_ptr[2 ] = motion_ptr[3 ]= + motion_ptr[0+2*s->m.b8_stride] = motion_ptr[1+2*s->m.b8_stride]= + motion_ptr[2+2*s->m.b8_stride] = motion_ptr[3+2*s->m.b8_stride]=0; } - }else - best= 0; + } s->rd_total += score[best]; @@ -1636,6 +1753,7 @@ av_log(s->avctx, AV_LOG_INFO, " split to level %d\n", level - 1); } #endif } + s->m.first_slice_line=0; } } @@ -1691,6 +1809,14 @@ static int svq1_encode_init(AVCodecContext *avctx) s->c_block_width = (s->frame_width / 4 + 15) / 16; s->c_block_height = (s->frame_height / 4 + 15) / 16; + s->avctx= avctx; + s->m.me.scratchpad= av_mallocz((avctx->width+64)*2*16*2*sizeof(uint8_t)); + s->m.me.map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t)); + s->m.me.score_map = av_mallocz(ME_MAP_SIZE*sizeof(uint32_t)); + s->mb_type = av_mallocz((s->y_block_width+1)*s->y_block_height*sizeof(int16_t)); + s->dummy = av_mallocz((s->y_block_width+1)*s->y_block_height*sizeof(int32_t)); + h263_encode_init(&s->m); //mv_penalty + av_log(s->avctx, AV_LOG_INFO, " Hey: %d x %d, %d x %d, %d x %d\n", s->frame_width, s->frame_height, s->y_block_width, s->y_block_height, @@ -1746,7 +1872,7 @@ static int svq1_encode_frame(AVCodecContext *avctx, unsigned char *buf, svq1_write_header(s, p->pict_type); for(i=0; i<3; i++){ - svq1_encode_plane(s, + svq1_encode_plane(s, i, s->picture.data[i], s->last_picture.data[i], s->current_picture.data[i], s->frame_width / (i?4:1), s->frame_height / (i?4:1), s->picture.linesize[i], s->current_picture.linesize[i]); @@ -1764,10 +1890,21 @@ static int svq1_encode_frame(AVCodecContext *avctx, unsigned char *buf, static int svq1_encode_end(AVCodecContext *avctx) { SVQ1Context * const s = avctx->priv_data; + int i; av_log(avctx, AV_LOG_DEBUG, "RD: %f\n", s->rd_total/(double)(avctx->width*avctx->height*avctx->frame_number)); - av_free(s->c_plane); + av_freep(&s->c_plane); + av_freep(&s->m.me.scratchpad); + av_freep(&s->m.me.map); + av_freep(&s->m.me.score_map); + av_freep(&s->mb_type); + av_freep(&s->dummy); + + for(i=0; i<3; i++){ + av_freep(&s->motion_val8[i]); + av_freep(&s->motion_val16[i]); + } return 0; } diff --git a/libavcodec/svq1_vlc.h b/libavcodec/svq1_vlc.h index d15ac07fb3..8a30acb262 100644 --- a/libavcodec/svq1_vlc.h +++ b/libavcodec/svq1_vlc.h @@ -8,28 +8,6 @@ static const uint8_t svq1_block_type_vlc[4][2] = { }; -/* values in this table range from -32..32; adjust retrieved value by -32 */ -static const uint8_t svq1_motion_component_vlc[65][2] = { - /* { code, length } */ - { 0x5, 13 }, { 0x7, 13 }, { 0x5, 12 }, { 0x7, 12 }, - { 0x9, 12 }, { 0xB, 12 }, { 0xD, 12 }, { 0xF, 12 }, - { 0x9, 11 }, { 0xB, 11 }, { 0xD, 11 }, { 0xF, 11 }, - { 0x11, 11 }, { 0x13, 11 }, { 0x15, 11 }, { 0x17, 11 }, - { 0x19, 11 }, { 0x1B, 11 }, { 0x1D, 11 }, { 0x1F, 11 }, - { 0x21, 11 }, { 0x23, 11 }, { 0x13, 10 }, { 0x15, 10 }, - { 0x17, 10 }, { 0x7, 8 }, { 0x9, 8 }, { 0xB, 8 }, - { 0x7, 7 }, { 0x3, 5 }, { 0x3, 4 }, { 0x3, 3 }, - { 0x1, 1 }, { 0x2, 3 }, { 0x2, 4 }, { 0x2, 5 }, - { 0x6, 7 }, { 0xA, 8 }, { 0x8, 8 }, { 0x6, 8 }, - { 0x16, 10 }, { 0x14, 10 }, { 0x12, 10 }, { 0x22, 11 }, - { 0x20, 11 }, { 0x1E, 11 }, { 0x1C, 11 }, { 0x1A, 11 }, - { 0x18, 11 }, { 0x16, 11 }, { 0x14, 11 }, { 0x12, 11 }, - { 0x10, 11 }, { 0xE, 11 }, { 0xC, 11 }, { 0xA, 11 }, - { 0x8, 11 }, { 0xE, 12 }, { 0xC, 12 }, { 0xA, 12 }, - { 0x8, 12 }, { 0x6, 12 }, { 0x4, 12 }, { 0x6, 13 }, - { 0x4, 13 } -}; - /* values in this table range from -1..6; adjust retrieved value by -1 */ static const uint8_t svq1_intra_multistage_vlc[6][8][2] = { /* { code, length } */ |