Am Sa., 27. Juni 2020 um 17:46 Uhr schrieb <lance.lmw...@gmail.com>:
>
> From: Limin Wang <lance.lmw...@gmail.com>
>
> The issue is introduced from a705bcd763e344fa, please tested with below
> command line:
> make V=1 fate-sub-cc-scte20 TARGET_EXEC="valgrind --error-exitcode=1"
>
> Reported-by: Martin Storsjö <mar...@martin.st>
> Signed-off-by: Limin Wang <lance.lmw...@gmail.com>
> ---
> libavcodec/mpeg12dec.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/libavcodec/mpeg12dec.c b/libavcodec/mpeg12dec.c
> index f0f92ac..2562027 100644
> --- a/libavcodec/mpeg12dec.c
> +++ b/libavcodec/mpeg12dec.c
> @@ -2276,6 +2276,8 @@ static int mpeg_decode_a53_cc(AVCodecContext *avctx,
> if (ret >= 0) {
> uint8_t field, cc1, cc2;
> uint8_t *cap = s1->a53_buf_ref->data;
> +
> + memset(s1->a53_buf_ref->data + old_size, 0, cc_count *
> UINT64_C(3));
Why is the promotion (?) to uint64 useful?
Carl Eugen
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