[FFmpeg-devel] [PATCH v5 4/7] libavcodec/webp: add support for animated WebP decoding

[James Almer]

On 11/20/2023 4:22 PM, Thilo Borgmann via ffmpeg-devel wrote:
> +    if (*got_frame) {
> +        if (!(s->vp8x_flags & VP8X_FLAG_ANIMATION)) {
> +            // no animation, output the decoded frame
> +            av_frame_move_ref(p, s->frame);
> +            ret = ff_attach_decode_data(p);
> +            if (ret < 0)
> +                return ret;

If this frame's buffers were allocated with ff_get_buffer() (or its 
threaded version), then a call to ff_attach_decode_data() is not necessary.