[FFmpeg-devel] [PATCH] avcodec/gifdec: skip data lzw consumed

Paul B Mahol onemda at gmail.com
Sat Nov 7 15:35:06 CET 2015


On 11/7/15, Ni Hui <shuizhuyuanluo at 126.com> wrote:
> fix the return code value of avcodec_decode_video2 for gif decoding, which
> should be the consumed data length.
>
> ---
>  libavcodec/gifdec.c | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/libavcodec/gifdec.c b/libavcodec/gifdec.c
> index 9f2e6eb..5bcb176 100644
> --- a/libavcodec/gifdec.c
> +++ b/libavcodec/gifdec.c
> @@ -295,6 +295,8 @@ static int gif_read_image(GifState *s, AVFrame *frame)
>      /* read the garbage data until end marker is found */
>      ff_lzw_decode_tail(s->lzw);
>
> +    bytestream2_skipu(&s->gb, bytestream2_get_bytes_left(&s->gb));
> +
>      /* Graphic Control Extension's scope is single frame.
>       * Remove its influence. */
>      s->transparent_color_index = -1;
> --
> 2.4.1
>
>
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>

Are there files this actually fixes?


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