From a82688b0031c2bc76636ef4b7fba8326453f7d53 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 22 Jul 2008 12:31:48 +0000 Subject: [PATCH] Setting chroma_qp to 0 for PCM blocks is really an interesting minor optimization, more interresting would it have been had the author thought about what value chroma_qp would have for the following MB. Or failing that, had actually tested the code. So this reverts this non-functional optimization, and makes the code work. Fixes at least CAPM3_Sony_D.jsv Originally committed as revision 14335 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/h264.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/libavcodec/h264.c b/libavcodec/h264.c index 1d5d378..ee29f1b 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -2712,6 +2712,8 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){ tprintf(h->s.avctx, "call filter_mb\n"); backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, simple); fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb + h->chroma_qp[0] = get_chroma_qp(h, 0, s->current_picture.qscale_table[mb_xy]); + h->chroma_qp[1] = get_chroma_qp(h, 1, s->current_picture.qscale_table[mb_xy]); filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize); } } @@ -4611,8 +4613,6 @@ decode_intra_mb: // In deblocking, the quantizer is 0 s->current_picture.qscale_table[mb_xy]= 0; - h->chroma_qp[0] = get_chroma_qp(h, 0, 0); - h->chroma_qp[1] = get_chroma_qp(h, 1, 0); // All coeffs are present memset(h->non_zero_count[mb_xy], 16, 16); @@ -5756,8 +5756,6 @@ decode_intra_mb: h->chroma_pred_mode_table[mb_xy] = 0; // In deblocking, the quantizer is 0 s->current_picture.qscale_table[mb_xy]= 0; - h->chroma_qp[0] = get_chroma_qp(h, 0, 0); - h->chroma_qp[1] = get_chroma_qp(h, 1, 0); // All coeffs are present memset(h->non_zero_count[mb_xy], 16, 16); s->current_picture.mb_type[mb_xy]= mb_type; -- 2.7.4