[vlc-devel] [PATCH 1/8] vout display: add an API to handle surface rendering through a callback

[Rémi Denis-Courmont]

Le maanantaina 6. toukokuuta 2019, 16.01.30 EEST Steve Lhomme a écrit :
> The callbacks will be used by D3D but could also be used by other rendering
> engines.
> ---
>  include/vlc_vout_display.h | 27 +++++++++++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/include/vlc_vout_display.h b/include/vlc_vout_display.h
> index bdae03881c..7b2c9cf0d3 100644
> --- a/include/vlc_vout_display.h
> +++ b/include/vlc_vout_display.h
> @@ -455,5 +455,32 @@ VLC_API void
> vout_display_PlacePicture(vout_display_place_t *place, const video_ void
> vout_display_TranslateMouseState(vout_display_t *vd, vlc_mouse_t *video,
> const vlc_mouse_t *window);
> 
> +/*** rendering to external surfaces ***/
> +typedef struct
> +{
> +    bool hardware_decoding; /** set if D3D11_CREATE_DEVICE_VIDEO_SUPPORT is
> needed */ +} vlc_video_surface_device_cfg_t;
> +
> +typedef struct
> +{
> +    void *device_context; /** ID3D11DeviceContext* for D3D11,
> IDirect3DDevice9* for D3D9 */ +} vlc_video_surface_device_setup_t;
> +
> +typedef struct
> +{
> +    unsigned width, height;
> +} vlc_video_surface_cfg_t;
> +
> +typedef struct
> +{
> +    intptr_t          surface_format; /* DXGI_FORMAT for D3D11, D3DFORMAT
> for D3D9 */ +} video_surface_output_cfg_t;
> +
> +typedef bool( *vlc_video_surface_device_setup_cb )( void *opaque, const
> vlc_video_surface_device_cfg_t *cfg, vlc_video_surface_device_setup_t *out
> ); +typedef void( *vlc_video_surface_device_cleanup_cb )( void *opaque );
> +typedef bool( *vlc_video_surface_update_output_cb )( void *opaque, const
> vlc_video_surface_cfg_t *cfg, video_surface_output_cfg_t *output );
> +typedef void( *vlc_video_swap_cb )( void* opaque );
> +typedef bool( *vlc_video_surface_start_rendering_cb )( void *opaque, bool
> enter );

How does the application track per-surface private data here?

> +
>  /** @} */
>  #endif /* VLC_VOUT_DISPLAY_H */


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