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avcodec/magicyuv: 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>
This commit is contained in:
Andreas Rheinhardt 2022-07-23 06:11:59 +02:00
parent 0eae123dbd
commit 0980d3801d
1 changed files with 2 additions and 2 deletions
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4
libavcodec/magicyuv.c
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@ -115,7 +115,7 @@ static void magicyuv_median_pred16(uint16_t *dst, const uint16_t *src1,
static int magy_decode_slice10(AVCodecContext *avctx, void *tdata, static int magy_decode_slice10(AVCodecContext *avctx, void *tdata,
int j, int threadnr) int j, int threadnr)
{ {
MagicYUVContext *s = avctx->priv_data; const MagicYUVContext *s = avctx->priv_data;
int interlaced = s->interlaced; int interlaced = s->interlaced;
const int bps = s->bps; const int bps = s->bps;
const int max = s->max - 1; const int max = s->max - 1;
@ -247,7 +247,7 @@ static int magy_decode_slice10(AVCodecContext *avctx, void *tdata,
static int magy_decode_slice(AVCodecContext *avctx, void *tdata, static int magy_decode_slice(AVCodecContext *avctx, void *tdata,
int j, int threadnr) int j, int threadnr)
{ {
MagicYUVContext *s = avctx->priv_data; const MagicYUVContext *s = avctx->priv_data;
int interlaced = s->interlaced; int interlaced = s->interlaced;
AVFrame *p = s->p; AVFrame *p = s->p;
int i, k, x, min_width; int i, k, x, min_width;