On 6/17/17 12:22 AM, Mark Thompson wrote:
> ---
> libavfilter/vf_hwmap.c | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/libavfilter/vf_hwmap.c b/libavfilter/vf_hwmap.c
> index 48ebbb6bd..b28cb2145 100644
> --- a/libavfilter/vf_hwmap.c
> +++ b/libavfilter/vf_hwmap.c
> @@ -54,7 +54,7 @@ static int hwmap_config_output(AVFilterLink *outlink)
> AVHWFramesContext *hwfc;
> AVBufferRef *device;
> const AVPixFmtDescriptor *desc;
> - int err;
> + int err, device_is_derived;
>
> av_log(avctx, AV_LOG_DEBUG, "Configure hwmap %s -> %s.\n",
> av_get_pix_fmt_name(inlink->format),
> @@ -63,6 +63,7 @@ static int hwmap_config_output(AVFilterLink *outlink)
> av_buffer_unref(&ctx->hwframes_ref);
>
> device = avctx->hw_device_ctx;
> + device_is_derived = 0;
>
> if (inlink->hw_frames_ctx) {
> hwfc = (AVHWFramesContext*)inlink->hw_frames_ctx->data;
> @@ -84,6 +85,7 @@ static int hwmap_config_output(AVFilterLink *outlink)
> "device context: %d.\n", err);
> goto fail;
> }
> + device_is_derived = 1;
> }
>
> desc = av_pix_fmt_desc_get(outlink->format);
> @@ -238,9 +240,13 @@ static int hwmap_config_output(AVFilterLink *outlink)
> outlink->w = inlink->w;
> outlink->h = inlink->h;
>
> + if (device_is_derived)
> + av_buffer_unref(&device);
> return 0;
>
> fail:
> + if (device_is_derived)
> + av_buffer_unref(&device);
> av_buffer_unref(&ctx->hwframes_ref);
> return err;
> }
>
Seems ok.
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