[vlc-devel] [PATCH v2 1/3] decoder device: add a helper macro to set the module callbacks/priority

[Steve Lhomme]

Replaces https://patches.videolan.org/patch/23919/

- It uses the original names when calling set_callbacks()
- It still checks that the cast to the proper callback signature is 
correct (tested with clang)
- It doesn't add warning that the casted variables are not used

On 2019-07-16 9:06, Steve Lhomme wrote:
> ---
>   include/vlc_codec.h | 10 ++++++++++
>   1 file changed, 10 insertions(+)
> 
> diff --git a/include/vlc_codec.h b/include/vlc_codec.h
> index 86f092c029..118d1d059f 100644
> --- a/include/vlc_codec.h
> +++ b/include/vlc_codec.h
> @@ -534,6 +534,16 @@ typedef int (*vlc_decoder_device_Open)(vlc_decoder_device *device,
>   /** "decoder device" module close entry point */
>   typedef void (*vlc_decoder_device_Close)(vlc_decoder_device *device);
>   
> +#define set_callbacks_dec_device(activate, deactivate, priority) \
> +    { \
> +        vlc_decoder_device_Open open__ = activate; \
> +        vlc_decoder_device_Close close__ = deactivate; \
> +        (void) open__; (void) close__; \
> +        set_callbacks(activate, deactivate) \
> +    } \
> +    set_capability( "decoder device", priority )
> +
> +
>   /**
>    * Create a decoder device from a window
>    *
> -- 
> 2.17.1
> 
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