[FFmpeg-devel] [PATCH v2 3/9] avcodec/av1dec: support setup shear process

[Henrik Gramner]

On Mon, Jul 5, 2021 at 4:32 AM Fei Wang <fei.w.wang at intel.com> wrote:
> +    int64_t v, w;
> +    int32_t *param = &s->cur_frame.gm_params[idx][0];
...
> +    v     = param[4] * (1 << AV1_WARPEDMODEL_PREC_BITS);
> +    w     = param[3] * param[4];

Possible integer overflow? Might need some int64_t casting before the
multiplies.