On Wed, 15 Feb 2017 10:24:23 +0100
wm4 <nfx...@googlemail.com> wrote:

> From: Timo Rothenpieler <t...@rothenpieler.org>
> 
> ---
>  libavcodec/cuvid.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/libavcodec/cuvid.c b/libavcodec/cuvid.c
> index f5a49ce86f..a0682e3cdc 100644
> --- a/libavcodec/cuvid.c
> +++ b/libavcodec/cuvid.c
> @@ -140,6 +140,19 @@ static int CUDAAPI cuvid_handle_video_sequence(void 
> *opaque, CUVIDEOFORMAT* form
>          return 0;
>      }
>  
> +    // Update our hwframe ctx, as the get_format callback might have 
> refreshed it!
> +    if (avctx->hw_frames_ctx) {
> +        av_buffer_unref(&ctx->hwframe);
> +
> +        ctx->hwframe = av_buffer_ref(avctx->hw_frames_ctx);
> +        if (!ctx->hwframe) {
> +            ctx->internal_error = AVERROR(ENOMEM);
> +            return 0;
> +        }
> +
> +        hwframe_ctx = (AVHWFramesContext*)ctx->hwframe->data;
> +    }
> +
>      av_log(avctx, AV_LOG_VERBOSE, "Formats: Original: %s | HW: %s | SW: 
> %s\n",
>             av_get_pix_fmt_name(avctx->pix_fmt),
>             av_get_pix_fmt_name(surface_fmt),

Dropping this patch - it's already in master.
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