[Libav-user] Queuing of AVFrame

[wm4]

On Fri, 25 Jul 2014 03:58:38 +0300
volich at ukr.net wrote:

> Thank you for reply.
> 
> frame.c:
> 
> int av_frame_ref(AVFrame *dst, const AVFrame *src)
> {
>     ...
> 
>     /* duplicate the frame data if it's not refcounted */
>     if (!src->buf[0]) {
>         ret = av_frame_get_buffer(dst, 32);
>         if (ret < 0)
>             return ret;
> 
>         ret = av_frame_copy(dst, src);
>         if (ret < 0)
>             av_frame_unref(dst);
> 
>         return ret;
>     }
> 
>     ...
> }
> 
> After avcodec_decode_video2 my frame is not refcounted, so call of av_frame_ref gives me copy of frame.
> I just want to my frame is refcounted. How to make this?

By default, reference counting is disabled (just for compatibility
reasons - nothing else). Set AVCodecContext.refcounted_frames to 1 to
enable it.