From: Anton Khirnov Date: Fri, 21 Oct 2011 14:02:29 +0000 (+0200) Subject: lavc: move get_b_cbp() from h263.h to mpeg4videoenc.c X-Git-Tag: v0.8b1~955 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=1deb66c50cea1891fb8ddcc12ec6960557b93209;p=platform%2Fupstream%2Flibav.git lavc: move get_b_cbp() from h263.h to mpeg4videoenc.c It's not used anywhere else. --- diff --git a/libavcodec/h263.h b/libavcodec/h263.h index 1dc3007..73c5966 100644 --- a/libavcodec/h263.h +++ b/libavcodec/h263.h @@ -200,48 +200,6 @@ static inline int get_p_cbp(MpegEncContext * s, return cbp; } -static inline int get_b_cbp(MpegEncContext * s, DCTELEM block[6][64], - int motion_x, int motion_y, int mb_type){ - int cbp=0, i; - - if(s->flags & CODEC_FLAG_CBP_RD){ - int score=0; - const int lambda= s->lambda2 >> (FF_LAMBDA_SHIFT - 6); - - for(i=0; i<6; i++){ - if(s->coded_score[i] < 0){ - score += s->coded_score[i]; - cbp |= 1 << (5 - i); - } - } - - if(cbp){ - int zero_score= -6; - if ((motion_x | motion_y | s->dquant | mb_type) == 0){ - zero_score-= 4; //2*MV + mb_type + cbp bit - } - - zero_score*= lambda; - if(zero_score <= score){ - cbp=0; - } - } - - for (i = 0; i < 6; i++) { - if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i))&1)==0 ){ - s->block_last_index[i]= -1; - s->dsp.clear_block(s->block[i]); - } - } - }else{ - for (i = 0; i < 6; i++) { - if (s->block_last_index[i] >= 0) - cbp |= 1 << (5 - i); - } - } - return cbp; -} - static inline void memsetw(short *tab, int val, int n) { int i; diff --git a/libavcodec/mpeg4videoenc.c b/libavcodec/mpeg4videoenc.c index cbcd3cc..3072ace 100644 --- a/libavcodec/mpeg4videoenc.c +++ b/libavcodec/mpeg4videoenc.c @@ -425,6 +425,46 @@ static inline void mpeg4_encode_blocks(MpegEncContext * s, DCTELEM block[6][64], } } +static inline int get_b_cbp(MpegEncContext * s, DCTELEM block[6][64], + int motion_x, int motion_y, int mb_type) +{ + int cbp = 0, i; + + if (s->flags & CODEC_FLAG_CBP_RD) { + int score = 0; + const int lambda = s->lambda2 >> (FF_LAMBDA_SHIFT - 6); + + for (i = 0; i < 6; i++) + if (s->coded_score[i] < 0) { + score += s->coded_score[i]; + cbp |= 1 << (5 - i); + } + + if (cbp) { + int zero_score = -6; + if ((motion_x | motion_y | s->dquant | mb_type) == 0) + zero_score -= 4; //2*MV + mb_type + cbp bit + + zero_score *= lambda; + if (zero_score <= score) + cbp = 0; + } + + for (i = 0; i < 6; i++) { + if (s->block_last_index[i] >= 0 && ((cbp >> (5 - i)) & 1) == 0) { + s->block_last_index[i] = -1; + s->dsp.clear_block(s->block[i]); + } + } + } else { + for (i = 0; i < 6; i++) { + if (s->block_last_index[i] >= 0) + cbp |= 1 << (5 - i); + } + } + return cbp; +} + //FIXME this is duplicated to h263.c static const int dquant_code[5]= {1,0,9,2,3};