[FFmpeg-devel] [PATCH 3/4] avutil/hwcontext_vulkan: check if created before destroying the instance

[Dennis Mungai]

On Tue, 23 Nov 2021, 12:06 Wu Jianhua, <jianhua.wu at intel.com> wrote:

> Signed-off-by: Wu Jianhua <jianhua.wu at intel.com>
> ---
>  libavutil/hwcontext_vulkan.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/libavutil/hwcontext_vulkan.c b/libavutil/hwcontext_vulkan.c
> index 4ac1058181..644ed947f8 100644
> --- a/libavutil/hwcontext_vulkan.c
> +++ b/libavutil/hwcontext_vulkan.c
> @@ -1157,7 +1157,8 @@ static void vulkan_device_free(AVHWDeviceContext
> *ctx)
>          vk->DestroyDebugUtilsMessengerEXT(hwctx->inst, p->debug_ctx,
>                                            hwctx->alloc);
>
> -    vk->DestroyInstance(hwctx->inst, hwctx->alloc);
> +    if (hwctx->inst)
> +        vk->DestroyInstance(hwctx->inst, hwctx->alloc);
>
>      if (p->libvulkan)
>          dlclose(p->libvulkan);
> --
> 2.25.1
>


Ping.

This fixes a (somewhat obscure) bug where a "generic library error" is
reported when running multiple concurrent ffmpeg commands with one or more
Vulkan filter chains.

>