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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-07-23 06:11:35 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2022-07-31 04:22:53 +0200 |
| commit | 0eae123dbd610b4ad371c6ebfc41a9d5b56abec8 (patch) | |
| tree | 14992a119b3893a9fe39a5b63c5f46de10312745 | |
| parent | 9c4f7d1e880a000a070f445386c870427e57971c (diff) | |
avcodec/proresdec2: 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/proresdec2.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/libavcodec/proresdec2.c b/libavcodec/proresdec2.c index 01e650a650..659f9ff16b 100644 --- a/libavcodec/proresdec2.c +++ b/libavcodec/proresdec2.c @@ -500,7 +500,7 @@ static const uint8_t lev_to_cb[10] = { 0x04, 0x0A, 0x05, 0x06, 0x04, 0x28, 0x28, static av_always_inline int decode_ac_coeffs(AVCodecContext *avctx, GetBitContext *gb, int16_t *out, int blocks_per_slice) { - ProresContext *ctx = avctx->priv_data; + const ProresContext *ctx = avctx->priv_data; int block_mask, sign; unsigned pos, run, level; int max_coeffs, i, bits_left; @@ -545,7 +545,7 @@ static int decode_slice_luma(AVCodecContext *avctx, SliceContext *slice, const uint8_t *buf, unsigned buf_size, const int16_t *qmat) { - ProresContext *ctx = avctx->priv_data; + const ProresContext *ctx = avctx->priv_data; LOCAL_ALIGNED_32(int16_t, blocks, [8*4*64]); int16_t *block; GetBitContext gb; @@ -611,7 +611,7 @@ static int decode_slice_chroma(AVCodecContext *avctx, SliceContext *slice, /** * Decode alpha slice plane. */ -static void decode_slice_alpha(ProresContext *ctx, +static void decode_slice_alpha(const ProresContext *ctx, uint16_t *dst, int dst_stride, const uint8_t *buf, int buf_size, int blocks_per_slice) @@ -643,7 +643,7 @@ static void decode_slice_alpha(ProresContext *ctx, static int decode_slice_thread(AVCodecContext *avctx, void *arg, int jobnr, int threadnr) { - ProresContext *ctx = avctx->priv_data; + const ProresContext *ctx = avctx->priv_data; SliceContext *slice = &ctx->slices[jobnr]; const uint8_t *buf = slice->data; AVFrame *pic = ctx->frame; |