diff options
| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-07-23 06:14:10 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-07-31 04:37:27 +0200 |
| commit | a18c372390346d089580a18183115c8f8ef2d1ec (patch) | |
| tree | 912dfbbeb6089e2b02cb869d3395f31bd99925ea | |
| parent | 0980d3801d12939bd0eaa6b23b7a21d9012d8c5e (diff) | |
avcodec/jpeg2000dec: Constify slice threads' ptr to main context
Modifying the main context from a slice thread is (usually)
a data race, so it must not happen. So only use a pointer to const
to access the main context.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
| -rw-r--r-- | libavcodec/jpeg2000dec.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 4823127758..503753c4d6 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -1679,7 +1679,7 @@ static void decode_refpass(Jpeg2000T1Context *t1, int width, int height, } } -static void decode_clnpass(Jpeg2000DecoderContext *s, Jpeg2000T1Context *t1, +static void decode_clnpass(const Jpeg2000DecoderContext *s, Jpeg2000T1Context *t1, int width, int height, int bpno, int bandno, int seg_symbols, int vert_causal_ctx_csty_symbol) { @@ -1745,7 +1745,7 @@ static void decode_clnpass(Jpeg2000DecoderContext *s, Jpeg2000T1Context *t1, } } -static int decode_cblk(Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty, +static int decode_cblk(const Jpeg2000DecoderContext *s, Jpeg2000CodingStyle *codsty, Jpeg2000T1Context *t1, Jpeg2000Cblk *cblk, int width, int height, int bandpos, uint8_t roi_shift) { @@ -1896,7 +1896,7 @@ static void dequantization_int_97(int x, int y, Jpeg2000Cblk *cblk, } } -static inline void mct_decode(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile) +static inline void mct_decode(const Jpeg2000DecoderContext *s, Jpeg2000Tile *tile) { int i, csize = 1; void *src[3]; @@ -1937,7 +1937,7 @@ static inline void roi_scale_cblk(Jpeg2000Cblk *cblk, } } -static inline void tile_codeblocks(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile) +static inline void tile_codeblocks(const Jpeg2000DecoderContext *s, Jpeg2000Tile *tile) { Jpeg2000T1Context t1; @@ -2009,7 +2009,7 @@ static inline void tile_codeblocks(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile } #define WRITE_FRAME(D, PIXEL) \ - static inline void write_frame_ ## D(Jpeg2000DecoderContext * s, Jpeg2000Tile * tile, \ + static inline void write_frame_ ## D(const Jpeg2000DecoderContext * s, Jpeg2000Tile * tile, \ AVFrame * picture, int precision) \ { \ const AVPixFmtDescriptor *pixdesc = av_pix_fmt_desc_get(s->avctx->pix_fmt); \ @@ -2078,7 +2078,7 @@ WRITE_FRAME(16, uint16_t) static int jpeg2000_decode_tile(AVCodecContext *avctx, void *td, int jobnr, int threadnr) { - Jpeg2000DecoderContext *s = avctx->priv_data; + const Jpeg2000DecoderContext *s = avctx->priv_data; AVFrame *picture = td; Jpeg2000Tile *tile = s->tile + jobnr; |