[FFmpeg-devel] [PATCH] lavformat/utils: Fix a memleak that st->codec->hw_frames_ctx

[wm4]

On Fri, 20 Jan 2017 10:06:50 +0800
"Huang, Zhengxu" <zhengxu.maxwell at gmail.com> wrote:

> From 9ceb2ac6a89246f2e686eb3ad3448fbaff5328f7 Mon Sep 17 00:00:00 2001
> From: Zhengxu <zhengxu.maxwell at gmail.com>
> Date: Fri, 13 Jan 2017 10:33:05 +0800
> Subject: [PATCH] lavformat/utils: Fix a memleak that st->codec->hw_frames_ctx
>  is not released.
> 
> Signed-off-by: ChaoX A Liu <chaox.a.liu at gmail.com>
> Signed-off-by: Huang, Zhengxu <zhengxu.maxwell at gmail.com>
> Signed-off-by: Andrew, Zhang <huazh407 at gmail.com>
> ---
>  libavformat/utils.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/libavformat/utils.c b/libavformat/utils.c
> index d5dfca7..cadec15 100644
> --- a/libavformat/utils.c
> +++ b/libavformat/utils.c
> @@ -4127,6 +4127,7 @@ static void free_stream(AVStream **pst)
>  FF_DISABLE_DEPRECATION_WARNINGS
>      av_freep(&st->codec->extradata);
>      av_freep(&st->codec->subtitle_header);
> +    av_buffer_unref(&st->codec->hw_frames_ctx);
>      av_freep(&st->codec);
>  FF_ENABLE_DEPRECATION_WARNINGS
>  #endif

What triggers this? In a sane world this should never ever happen.