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optimization
Originally committed as revision 992 to svn://svn.ffmpeg.org/ffmpeg/trunk
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parent
ce5b7c5e11
commit
3994623df2
@ -362,7 +362,12 @@ uint64_t time= rdtsc();
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h = s->height - y;
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if (h > 16)
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h = 16;
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offset = y * s->linesize;
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if(s->pict_type==B_TYPE)
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offset = 0;
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else
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offset = y * s->linesize;
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if(s->pict_type==B_TYPE || (!s->has_b_frames)){
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src_ptr[0] = s->current_picture[0] + offset;
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src_ptr[1] = s->current_picture[1] + (offset >> 2);
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@ -1604,7 +1604,10 @@ static int mpeg_decode_slice(AVCodecContext *avctx,
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h = s->height - y;
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if (h > 16)
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h = 16;
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offset = y * s->linesize;
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if(s->pict_type==B_TYPE)
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offset = 0;
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else
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offset = y * s->linesize;
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if(s->pict_type==B_TYPE || (!s->has_b_frames)){
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src_ptr[0] = s->current_picture[0] + offset;
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src_ptr[1] = s->current_picture[1] + (offset >> 2);
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@ -1684,9 +1684,15 @@ void MPV_decode_mb(MpegEncContext *s, DCTELEM block[6][64])
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}
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}
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dest_y = s->current_picture [0] + (mb_y * 16* s->linesize ) + mb_x * 16;
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dest_cb = s->current_picture[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
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dest_cr = s->current_picture[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
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if(s->pict_type==B_TYPE && s->avctx->draw_horiz_band){
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dest_y = s->current_picture [0] + mb_x * 16;
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dest_cb = s->current_picture[1] + mb_x * 8;
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dest_cr = s->current_picture[2] + mb_x * 8;
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}else{
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dest_y = s->current_picture [0] + (mb_y * 16* s->linesize ) + mb_x * 16;
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dest_cb = s->current_picture[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
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dest_cr = s->current_picture[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
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}
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if (s->interlaced_dct) {
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dct_linesize = s->linesize * 2;
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