diff options
| author | Anton Khirnov <anton@khirnov.net> | 2015-01-27 15:53:33 +0100 |
|---|---|---|
| committer | Anton Khirnov <anton@khirnov.net> | 2015-03-21 11:27:15 +0100 |
| commit | 7505c8dfba255f8e6c6dbb574d0cec91da16f24d (patch) | |
| tree | fc06175683eb45dd9f3524188efddd96a0832c40 /libavcodec | |
| parent | ba7e165b864d69da4f0c79ec7757cb351535002f (diff) | |
| download | ffmpeg-7505c8dfba255f8e6c6dbb574d0cec91da16f24d.tar.gz | |
h264_cavlc: constify all uses of H264Context
All the variables modified by this code are either per-MB arrays or have
been moved to the per-slice context
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/h264.h | 2 | ||||
| -rw-r--r-- | libavcodec/h264_cavlc.c | 13 |
2 files changed, 10 insertions, 5 deletions
diff --git a/libavcodec/h264.h b/libavcodec/h264.h index 495f5e7dd1..6e907a4ea0 100644 --- a/libavcodec/h264.h +++ b/libavcodec/h264.h @@ -814,7 +814,7 @@ void ff_h264_decode_init_vlc(void); * Decode a macroblock * @return 0 if OK, ER_AC_ERROR / ER_DC_ERROR / ER_MV_ERROR on error */ -int ff_h264_decode_mb_cavlc(H264Context *h, H264SliceContext *sl); +int ff_h264_decode_mb_cavlc(const H264Context *h, H264SliceContext *sl); /** * Decode a CABAC coded macroblock diff --git a/libavcodec/h264_cavlc.c b/libavcodec/h264_cavlc.c index 4e531db108..0a7dca2225 100644 --- a/libavcodec/h264_cavlc.c +++ b/libavcodec/h264_cavlc.c @@ -283,7 +283,7 @@ static int8_t cavlc_level_tab[7][1<<LEVEL_TAB_BITS][2]; * Get the predicted number of non-zero coefficients. * @param n block index */ -static inline int pred_non_zero_count(H264Context *h, H264SliceContext *sl, int n) +static inline int pred_non_zero_count(const H264Context *h, H264SliceContext *sl, int n) { const int index8= scan8[n]; const int left = sl->non_zero_count_cache[index8 - 1]; @@ -442,7 +442,7 @@ static inline int get_level_prefix(GetBitContext *gb){ * @param max_coeff number of coefficients in the block * @return <0 if an error occurred */ -static int decode_residual(H264Context *h, H264SliceContext *sl, +static int decode_residual(const H264Context *h, H264SliceContext *sl, GetBitContext *gb, int16_t *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff) @@ -628,7 +628,12 @@ static int decode_residual(H264Context *h, H264SliceContext *sl, return 0; } -static av_always_inline int decode_luma_residual(H264Context *h, H264SliceContext *sl, GetBitContext *gb, const uint8_t *scan, const uint8_t *scan8x8, int pixel_shift, int mb_type, int cbp, int p){ +static av_always_inline +int decode_luma_residual(const H264Context *h, H264SliceContext *sl, + GetBitContext *gb, const uint8_t *scan, + const uint8_t *scan8x8, int pixel_shift, + int mb_type, int cbp, int p) +{ int i4x4, i8x8; int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1]; if(IS_INTRA16x16(mb_type)){ @@ -694,7 +699,7 @@ static av_always_inline int decode_luma_residual(H264Context *h, H264SliceContex } } -int ff_h264_decode_mb_cavlc(H264Context *h, H264SliceContext *sl) +int ff_h264_decode_mb_cavlc(const H264Context *h, H264SliceContext *sl) { int mb_xy; int partition_count; |