diff options
Diffstat (limited to 'libavcodec/mpegvideo.c')
| -rw-r--r-- | libavcodec/mpegvideo.c | 294 |
1 files changed, 155 insertions, 139 deletions
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c index b8ac2ceb3d..041c0c04c3 100644 --- a/libavcodec/mpegvideo.c +++ b/libavcodec/mpegvideo.c @@ -5,20 +5,20 @@ * * 4MV & hq & B-frame encoding stuff by Michael Niedermayer <michaelni@gmx.at> * - * This file is part of Libav. + * This file is part of FFmpeg. * - * Libav is free software; you can redistribute it and/or + * 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. * - * Libav is distributed in the hope that it will be useful, + * 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 Libav; if not, write to the Free Software + * License along with FFmpeg; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ @@ -616,85 +616,85 @@ av_cold int MPV_common_init(MpegEncContext *s) s->flags= s->avctx->flags; s->flags2= s->avctx->flags2; - if (s->width && s->height) { - s->mb_width = (s->width + 15) / 16; - s->mb_stride = s->mb_width + 1; - s->b8_stride = s->mb_width*2 + 1; - s->b4_stride = s->mb_width*4 + 1; - mb_array_size= s->mb_height * s->mb_stride; - mv_table_size= (s->mb_height+2) * s->mb_stride + 1; + s->mb_width = (s->width + 15) / 16; + s->mb_stride = s->mb_width + 1; + s->b8_stride = s->mb_width*2 + 1; + s->b4_stride = s->mb_width*4 + 1; + mb_array_size= s->mb_height * s->mb_stride; + mv_table_size= (s->mb_height+2) * s->mb_stride + 1; - /* set chroma shifts */ - avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,&(s->chroma_x_shift), - &(s->chroma_y_shift) ); + /* set chroma shifts */ + avcodec_get_chroma_sub_sample(s->avctx->pix_fmt,&(s->chroma_x_shift), + &(s->chroma_y_shift) ); - /* set default edge pos, will be overriden in decode_header if needed */ - s->h_edge_pos= s->mb_width*16; - s->v_edge_pos= s->mb_height*16; + /* set default edge pos, will be overriden in decode_header if needed */ + s->h_edge_pos= s->mb_width*16; + s->v_edge_pos= s->mb_height*16; - s->mb_num = s->mb_width * s->mb_height; + s->mb_num = s->mb_width * s->mb_height; - s->block_wrap[0]= - s->block_wrap[1]= - s->block_wrap[2]= - s->block_wrap[3]= s->b8_stride; - s->block_wrap[4]= - s->block_wrap[5]= s->mb_stride; + s->block_wrap[0]= + s->block_wrap[1]= + s->block_wrap[2]= + s->block_wrap[3]= s->b8_stride; + s->block_wrap[4]= + s->block_wrap[5]= s->mb_stride; - y_size = s->b8_stride * (2 * s->mb_height + 1); - c_size = s->mb_stride * (s->mb_height + 1); - yc_size = y_size + 2 * c_size; + y_size = s->b8_stride * (2 * s->mb_height + 1); + c_size = s->mb_stride * (s->mb_height + 1); + yc_size = y_size + 2 * c_size; - /* convert fourcc to upper case */ - s->codec_tag = ff_toupper4(s->avctx->codec_tag); + /* convert fourcc to upper case */ + s->codec_tag = ff_toupper4(s->avctx->codec_tag); - s->stream_codec_tag = ff_toupper4(s->avctx->stream_codec_tag); + s->stream_codec_tag = ff_toupper4(s->avctx->stream_codec_tag); - s->avctx->coded_frame= (AVFrame*)&s->current_picture; + s->avctx->coded_frame= (AVFrame*)&s->current_picture; - FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num+1)*sizeof(int), fail) //error ressilience code looks cleaner with this - for(y=0; y<s->mb_height; y++){ - for(x=0; x<s->mb_width; x++){ - s->mb_index2xy[ x + y*s->mb_width ] = x + y*s->mb_stride; - } + FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_index2xy, (s->mb_num+1)*sizeof(int), fail) //error ressilience code looks cleaner with this + for(y=0; y<s->mb_height; y++){ + for(x=0; x<s->mb_width; x++){ + s->mb_index2xy[ x + y*s->mb_width ] = x + y*s->mb_stride; } - s->mb_index2xy[ s->mb_height*s->mb_width ] = (s->mb_height-1)*s->mb_stride + s->mb_width; //FIXME really needed? - - if (s->encoding) { - /* Allocate MV tables */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) - s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1; - s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1; - s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1; - s->b_bidir_forw_mv_table= s->b_bidir_forw_mv_table_base + s->mb_stride + 1; - s->b_bidir_back_mv_table= s->b_bidir_back_mv_table_base + s->mb_stride + 1; - s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1; - - if(s->msmpeg4_version){ - FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int), fail); - } - FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail); - - /* Allocate MB type table */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type , mb_array_size * sizeof(uint16_t), fail) //needed for encoding - - FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail) + } + s->mb_index2xy[ s->mb_height*s->mb_width ] = (s->mb_height-1)*s->mb_stride + s->mb_width; //FIXME really needed? - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix , 64*32 * sizeof(int), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix , 64*32 * sizeof(int), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail) + if (s->encoding) { + /* Allocate MV tables */ + FF_ALLOCZ_OR_GOTO(s->avctx, s->p_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->b_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->b_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_forw_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->b_bidir_back_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->b_direct_mv_table_base , mv_table_size * 2 * sizeof(int16_t), fail) + s->p_mv_table = s->p_mv_table_base + s->mb_stride + 1; + s->b_forw_mv_table = s->b_forw_mv_table_base + s->mb_stride + 1; + s->b_back_mv_table = s->b_back_mv_table_base + s->mb_stride + 1; + s->b_bidir_forw_mv_table= s->b_bidir_forw_mv_table_base + s->mb_stride + 1; + s->b_bidir_back_mv_table= s->b_bidir_back_mv_table_base + s->mb_stride + 1; + s->b_direct_mv_table = s->b_direct_mv_table_base + s->mb_stride + 1; + + if(s->msmpeg4_version){ + FF_ALLOCZ_OR_GOTO(s->avctx, s->ac_stats, 2*2*(MAX_LEVEL+1)*(MAX_RUN+1)*2*sizeof(int), fail); + } + FF_ALLOCZ_OR_GOTO(s->avctx, s->avctx->stats_out, 256, fail); + + /* Allocate MB type table */ + FF_ALLOCZ_OR_GOTO(s->avctx, s->mb_type , mb_array_size * sizeof(uint16_t), fail) //needed for encoding + + FF_ALLOCZ_OR_GOTO(s->avctx, s->lambda_table, mb_array_size * sizeof(int), fail) + + FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix , 64*32 * sizeof(int), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix , 64*32 * sizeof(int), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix , 64*32 * sizeof(int), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->q_intra_matrix16, 64*32*2 * sizeof(uint16_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->q_chroma_intra_matrix16, 64*32*2 * sizeof(uint16_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->q_inter_matrix16, 64*32*2 * sizeof(uint16_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->reordered_input_picture, MAX_PICTURE_COUNT * sizeof(Picture*), fail) - if(s->avctx->noise_reduction){ - FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail) - } + if(s->avctx->noise_reduction){ + FF_ALLOCZ_OR_GOTO(s->avctx, s->dct_offset, 2 * 64 * sizeof(uint16_t), fail) } } @@ -704,11 +704,10 @@ av_cold int MPV_common_init(MpegEncContext *s) avcodec_get_frame_defaults((AVFrame *)&s->picture[i]); } - if (s->width && s->height) { - FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table, mb_array_size*sizeof(uint8_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->error_status_table, mb_array_size*sizeof(uint8_t), fail) - if(s->codec_id==CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)){ - /* interlaced direct mode decoding tables */ + if(s->codec_id==CODEC_ID_MPEG4 || (s->flags & CODEC_FLAG_INTERLACED_ME)){ + /* interlaced direct mode decoding tables */ for(i=0; i<2; i++){ int j, k; for(j=0; j<2; j++){ @@ -722,49 +721,47 @@ av_cold int MPV_common_init(MpegEncContext *s) } FF_ALLOCZ_OR_GOTO(s->avctx, s->p_field_select_table[i], mb_array_size * 2 * sizeof(uint8_t), fail) } - } - if (s->out_format == FMT_H263) { - /* cbp values */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail); - s->coded_block= s->coded_block_base + s->b8_stride + 1; - - /* cbp, ac_pred, pred_dir */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail) - FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail) - } + } + if (s->out_format == FMT_H263) { + /* cbp values */ + FF_ALLOCZ_OR_GOTO(s->avctx, s->coded_block_base, y_size, fail); + s->coded_block= s->coded_block_base + s->b8_stride + 1; - if (s->h263_pred || s->h263_plus || !s->encoding) { - /* dc values */ - //MN: we need these for error resilience of intra-frames - FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail); - s->dc_val[0] = s->dc_val_base + s->b8_stride + 1; - s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1; - s->dc_val[2] = s->dc_val[1] + c_size; - for(i=0;i<yc_size;i++) - s->dc_val_base[i] = 1024; - } + /* cbp, ac_pred, pred_dir */ + FF_ALLOCZ_OR_GOTO(s->avctx, s->cbp_table , mb_array_size * sizeof(uint8_t), fail) + FF_ALLOCZ_OR_GOTO(s->avctx, s->pred_dir_table, mb_array_size * sizeof(uint8_t), fail) + } - /* which mb is a intra block */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail); - memset(s->mbintra_table, 1, mb_array_size); + if (s->h263_pred || s->h263_plus || !s->encoding) { + /* dc values */ + //MN: we need these for error resilience of intra-frames + FF_ALLOCZ_OR_GOTO(s->avctx, s->dc_val_base, yc_size * sizeof(int16_t), fail); + s->dc_val[0] = s->dc_val_base + s->b8_stride + 1; + s->dc_val[1] = s->dc_val_base + y_size + s->mb_stride + 1; + s->dc_val[2] = s->dc_val[1] + c_size; + for(i=0;i<yc_size;i++) + s->dc_val_base[i] = 1024; + } - /* init macroblock skip table */ - FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size+2, fail); - //Note the +1 is for a quicker mpeg4 slice_end detection - FF_ALLOCZ_OR_GOTO(s->avctx, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE, fail); + /* which mb is a intra block */ + FF_ALLOCZ_OR_GOTO(s->avctx, s->mbintra_table, mb_array_size, fail); + memset(s->mbintra_table, 1, mb_array_size); - s->parse_context.state= -1; - if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){ - s->visualization_buffer[0] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); - s->visualization_buffer[1] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); - s->visualization_buffer[2] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); - } + /* init macroblock skip table */ + FF_ALLOCZ_OR_GOTO(s->avctx, s->mbskip_table, mb_array_size+2, fail); + //Note the +1 is for a quicker mpeg4 slice_end detection + FF_ALLOCZ_OR_GOTO(s->avctx, s->prev_pict_types, PREV_PICT_TYPES_BUFFER_SIZE, fail); + + s->parse_context.state= -1; + if((s->avctx->debug&(FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) || (s->avctx->debug_mv)){ + s->visualization_buffer[0] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); + s->visualization_buffer[1] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); + s->visualization_buffer[2] = av_malloc((s->mb_width*16 + 2*EDGE_WIDTH) * s->mb_height*16 + 2*EDGE_WIDTH); } s->context_initialized = 1; s->thread_context[0]= s; - if (s->width && s->height) { if (s->encoding || (HAVE_THREADS && s->avctx->active_thread_type&FF_THREAD_SLICE)) { for(i=1; i<threads; i++){ s->thread_context[i]= av_malloc(sizeof(MpegEncContext)); @@ -781,7 +778,7 @@ av_cold int MPV_common_init(MpegEncContext *s) if(init_duplicate_context(s, s) < 0) goto fail; s->start_mb_y = 0; s->end_mb_y = s->mb_height; - } + } return 0; @@ -849,6 +846,10 @@ void MPV_common_end(MpegEncContext *s) av_freep(&s->error_status_table); av_freep(&s->mb_index2xy); av_freep(&s->lambda_table); + if(s->q_chroma_intra_matrix != s->q_intra_matrix ) av_freep(&s->q_chroma_intra_matrix); + if(s->q_chroma_intra_matrix16 != s->q_intra_matrix16) av_freep(&s->q_chroma_intra_matrix16); + s->q_chroma_intra_matrix= NULL; + s->q_chroma_intra_matrix16= NULL; av_freep(&s->q_intra_matrix); av_freep(&s->q_inter_matrix); av_freep(&s->q_intra_matrix16); @@ -1128,6 +1129,7 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx) /* Allocate a dummy frame */ i= ff_find_unused_picture(s, 0); s->last_picture_ptr= &s->picture[i]; + s->last_picture_ptr->f.key_frame = 0; if(ff_alloc_picture(s, s->last_picture_ptr, 0) < 0) return -1; ff_thread_report_progress((AVFrame*)s->last_picture_ptr, INT_MAX, 0); @@ -1137,6 +1139,7 @@ int MPV_frame_start(MpegEncContext *s, AVCodecContext *avctx) /* Allocate a dummy frame */ i= ff_find_unused_picture(s, 0); s->next_picture_ptr= &s->picture[i]; + s->next_picture_ptr->f.key_frame = 0; if(ff_alloc_picture(s, s->next_picture_ptr, 0) < 0) return -1; ff_thread_report_progress((AVFrame*)s->next_picture_ptr, INT_MAX, 0); @@ -1196,7 +1199,7 @@ void MPV_frame_end(MpegEncContext *s) //just to make sure that all data is rendered. if(CONFIG_MPEG_XVMC_DECODER && s->avctx->xvmc_acceleration){ ff_xvmc_field_end(s); - }else if((s->error_count || s->encoding) + }else if((s->error_count || s->encoding || !(s->avctx->codec->capabilities&CODEC_CAP_DRAW_HORIZ_BAND)) && !s->avctx->hwaccel && !(s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU) && s->unrestricted_mv @@ -1347,15 +1350,8 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){ if(s->avctx->debug&(FF_DEBUG_SKIP | FF_DEBUG_QP | FF_DEBUG_MB_TYPE)){ int x,y; - av_log(s->avctx,AV_LOG_DEBUG,"New frame, type: "); - switch (pict->pict_type) { - case AV_PICTURE_TYPE_I: av_log(s->avctx,AV_LOG_DEBUG,"I\n"); break; - case AV_PICTURE_TYPE_P: av_log(s->avctx,AV_LOG_DEBUG,"P\n"); break; - case AV_PICTURE_TYPE_B: av_log(s->avctx,AV_LOG_DEBUG,"B\n"); break; - case AV_PICTURE_TYPE_S: av_log(s->avctx,AV_LOG_DEBUG,"S\n"); break; - case AV_PICTURE_TYPE_SI: av_log(s->avctx,AV_LOG_DEBUG,"SI\n"); break; - case AV_PICTURE_TYPE_SP: av_log(s->avctx,AV_LOG_DEBUG,"SP\n"); break; - } + av_log(s->avctx, AV_LOG_DEBUG, "New frame, type: %c\n", + av_get_picture_type_char(pict->pict_type)); for(y=0; y<s->mb_height; y++){ for(x=0; x<s->mb_width; x++){ if(s->avctx->debug&FF_DEBUG_SKIP){ @@ -1438,6 +1434,7 @@ void ff_print_debug_info(MpegEncContext *s, AVFrame *pict){ pict->data[i]= s->visualization_buffer[i]; } pict->type= FF_BUFFER_TYPE_COPY; + pict->opaque= NULL; ptr= pict->data[0]; block_height = 16>>v_chroma_shift; @@ -1652,7 +1649,7 @@ static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, uint8_t *ptr_y, *ptr_cb, *ptr_cr; int mx, my, src_x, src_y, uvsrc_x, uvsrc_y, uvlinesize, linesize, sx, sy, uvsx, uvsy; const int lowres= s->avctx->lowres; - const int op_index= FFMIN(lowres, 2); + const int op_index= FFMIN(lowres-1+s->chroma_x_shift, 2); const int block_s= 8>>lowres; const int s_mask= (2<<lowres)-1; const int h_edge_pos = s->h_edge_pos >> lowres; @@ -1687,12 +1684,29 @@ static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, uvsrc_x = s->mb_x*block_s + (mx >> lowres); uvsrc_y = mb_y*block_s + (my >> lowres); } else { - mx = motion_x / 2; - my = motion_y / 2; - uvsx = mx & s_mask; - uvsy = my & s_mask; - uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1)); - uvsrc_y =( mb_y*block_s>>field_based) + (my >> (lowres+1)); + if(s->chroma_y_shift){ + mx = motion_x / 2; + my = motion_y / 2; + uvsx = mx & s_mask; + uvsy = my & s_mask; + uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1)); + uvsrc_y =( mb_y*block_s>>field_based) + (my >> (lowres+1)); + } else { + if(s->chroma_x_shift){ + //Chroma422 + mx = motion_x / 2; + uvsx = mx & s_mask; + uvsy = motion_y & s_mask; + uvsrc_y = src_y; + uvsrc_x = s->mb_x*block_s + (mx >> (lowres+1)); + } else { + //Chroma444 + uvsx = motion_x & s_mask; + uvsy = motion_y & s_mask; + uvsrc_x = src_x; + uvsrc_y = src_y; + } + } } ptr_y = ref_picture[0] + src_y * linesize + src_x; @@ -1734,8 +1748,10 @@ static av_always_inline void mpeg_motion_lowres(MpegEncContext *s, if(!CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){ uvsx= (uvsx << 2) >> lowres; uvsy= (uvsy << 2) >> lowres; - pix_op[op_index](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); - pix_op[op_index](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); + if(h >> s->chroma_y_shift){ + pix_op[op_index](dest_cb, ptr_cb, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); + pix_op[op_index](dest_cr, ptr_cr, uvlinesize, h >> s->chroma_y_shift, uvsx, uvsy); + } } //FIXME h261 lowres loop filter } @@ -2198,17 +2214,17 @@ void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64], }else{ //chroma422 dct_linesize = uvlinesize << s->interlaced_dct; - dct_offset =(s->interlaced_dct)? uvlinesize : uvlinesize*8; + dct_offset =(s->interlaced_dct)? uvlinesize : uvlinesize*block_size; add_dct(s, block[4], 4, dest_cb, dct_linesize); add_dct(s, block[5], 5, dest_cr, dct_linesize); add_dct(s, block[6], 6, dest_cb+dct_offset, dct_linesize); add_dct(s, block[7], 7, dest_cr+dct_offset, dct_linesize); if(!s->chroma_x_shift){//Chroma444 - add_dct(s, block[8], 8, dest_cb+8, dct_linesize); - add_dct(s, block[9], 9, dest_cr+8, dct_linesize); - add_dct(s, block[10], 10, dest_cb+8+dct_offset, dct_linesize); - add_dct(s, block[11], 11, dest_cr+8+dct_offset, dct_linesize); + add_dct(s, block[8], 8, dest_cb+block_size, dct_linesize); + add_dct(s, block[9], 9, dest_cr+block_size, dct_linesize); + add_dct(s, block[10], 10, dest_cb+block_size+dct_offset, dct_linesize); + add_dct(s, block[11], 11, dest_cr+block_size+dct_offset, dct_linesize); } } }//fi gray @@ -2250,17 +2266,17 @@ void MPV_decode_mb_internal(MpegEncContext *s, DCTELEM block[12][64], }else{ dct_linesize = uvlinesize << s->interlaced_dct; - dct_offset =(s->interlaced_dct)? uvlinesize : uvlinesize*8; + dct_offset =(s->interlaced_dct)? uvlinesize : uvlinesize*block_size; s->dsp.idct_put(dest_cb, dct_linesize, block[4]); s->dsp.idct_put(dest_cr, dct_linesize, block[5]); s->dsp.idct_put(dest_cb + dct_offset, dct_linesize, block[6]); s->dsp.idct_put(dest_cr + dct_offset, dct_linesize, block[7]); if(!s->chroma_x_shift){//Chroma444 - s->dsp.idct_put(dest_cb + 8, dct_linesize, block[8]); - s->dsp.idct_put(dest_cr + 8, dct_linesize, block[9]); - s->dsp.idct_put(dest_cb + 8 + dct_offset, dct_linesize, block[10]); - s->dsp.idct_put(dest_cr + 8 + dct_offset, dct_linesize, block[11]); + s->dsp.idct_put(dest_cb + block_size, dct_linesize, block[8]); + s->dsp.idct_put(dest_cr + block_size, dct_linesize, block[9]); + s->dsp.idct_put(dest_cb + block_size + dct_offset, dct_linesize, block[10]); + s->dsp.idct_put(dest_cr + block_size + dct_offset, dct_linesize, block[11]); } } }//gray |