From ea73c4813d833409dc45257ec83cdb6829184374 Mon Sep 17 00:00:00 2001 From: Anton Mitrofanov Date: Wed, 14 Jun 2017 03:01:56 +0300 Subject: [PATCH] avcodec/h264: Fix mix of lossless and lossy MBs decoding Signed-off-by: Ronald S. Bultje (cherry picked from commit cf231b68da1150c100114f2c5671b7ed740f917a) Signed-off-by: Michael Niedermayer --- libavcodec/h264_cabac.c | 16 ++++++++-------- libavcodec/h264_cavlc.c | 16 ++++++++-------- 2 files changed, 16 insertions(+), 16 deletions(-) diff --git a/libavcodec/h264_cabac.c b/libavcodec/h264_cabac.c index ff54e6d464..397253ff34 100644 --- a/libavcodec/h264_cabac.c +++ b/libavcodec/h264_cabac.c @@ -2381,14 +2381,6 @@ decode_intra_mb: const uint8_t *scan, *scan8x8; const uint32_t *qmul; - if(IS_INTERLACED(mb_type)){ - scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0; - scan = sl->qscale ? h->field_scan : h->field_scan_q0; - }else{ - scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0; - scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0; - } - // decode_cabac_mb_dqp if(get_cabac_noinline( &sl->cabac, &sl->cabac_state[60 + (sl->last_qscale_diff != 0)])){ int val = 1; @@ -2419,6 +2411,14 @@ decode_intra_mb: }else sl->last_qscale_diff=0; + if(IS_INTERLACED(mb_type)){ + scan8x8 = sl->qscale ? h->field_scan8x8 : h->field_scan8x8_q0; + scan = sl->qscale ? h->field_scan : h->field_scan_q0; + }else{ + scan8x8 = sl->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0; + scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0; + } + decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 0); if (CHROMA444(h)) { decode_cabac_luma_residual(h, sl, scan, scan8x8, pixel_shift, mb_type, cbp, 1); diff --git a/libavcodec/h264_cavlc.c b/libavcodec/h264_cavlc.c index 7a7dd397d8..3fa5b2e197 100644 --- a/libavcodec/h264_cavlc.c +++ b/libavcodec/h264_cavlc.c @@ -1104,14 +1104,6 @@ decode_intra_mb: const uint8_t *scan, *scan8x8; const int max_qp = 51 + 6*(h->sps.bit_depth_luma-8); - if(IS_INTERLACED(mb_type)){ - scan8x8 = sl->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0; - scan = sl->qscale ? h->field_scan : h->field_scan_q0; - }else{ - scan8x8 = sl->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0; - scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0; - } - dquant= get_se_golomb(&sl->gb); sl->qscale += (unsigned)dquant; @@ -1128,6 +1120,14 @@ decode_intra_mb: sl->chroma_qp[0] = get_chroma_qp(h, 0, sl->qscale); sl->chroma_qp[1] = get_chroma_qp(h, 1, sl->qscale); + if(IS_INTERLACED(mb_type)){ + scan8x8 = sl->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0; + scan = sl->qscale ? h->field_scan : h->field_scan_q0; + }else{ + scan8x8 = sl->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0; + scan = sl->qscale ? h->zigzag_scan : h->zigzag_scan_q0; + } + if ((ret = decode_luma_residual(h, sl, gb, scan, scan8x8, pixel_shift, mb_type, cbp, 0)) < 0 ) { return -1; }