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avcodec/vp8: Constify slice threads' ptr to main context

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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.

Reviewed-by: Ronald S. Bultje <rsbultje@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2022-07-23 04:35:33 +02:00
parent 94dd8f421e
commit 9c4f7d1e88
1 changed files with 1 additions and 1 deletions
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2
libavcodec/vp8.c
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@@ -2619,7 +2619,7 @@ static av_always_inline
int vp78_decode_mb_row_sliced(AVCodecContext *avctx, void *tdata, int jobnr,
int threadnr, int is_vp7)
{
VP8Context *s = avctx->priv_data;
const VP8Context *s = avctx->priv_data;
VP8ThreadData *td = &s->thread_data[jobnr];
VP8ThreadData *next_td = NULL, *prev_td = NULL;
VP8Frame *curframe = s->curframe;