[vlc-devel] [PATCH 01/18] picture: add the video context in the picture context

Steve Lhomme robux4 at ycbcr.xyz
Mon Nov 18 08:32:21 CET 2019


On 2019-11-17 7:52, Rémi Denis-Courmont wrote:
> Hi,
> 
> The macro is not expansion-safe, and IMO it could and should be.

It doesn't seem doable, I'll just do an inline. It will be just as 
efficient.

> Le 15 novembre 2019 15:51:03 GMT+01:00, Steve Lhomme <robux4 at ycbcr.xyz> 
> a écrit :
> 
>     The creator of the picture_context_t must set the video context if needed.
>     If set, the picture context must hold a reference to the video context.
> 
>     When "copying" a picture (using the same surface in another picture context) a
>     new reference has to be acquired.
> 
>     Also add a macro to get the video context from a picture as the picture context
>     may be NULL.
>     ------------------------------------------------------------------------
>       include/vlc_picture.h                |  4 ++++
>       modules/codec/avcodec/d3d11va.c      |  1 +
>       modules/codec/avcodec/dxva2.c        |  1 +
>       modules/codec/avcodec/vaapi.c        |  1 +
>       modules/hw/d3d11/d3d11_deinterlace.c |  1 +
>       modules/hw/d3d11/d3d11_surface.c     |  1 +
>       modules/hw/d3d9/dxa9.c               |  1 +
>       modules/hw/d3d9/dxva2_deinterlace.c  |  1 +
>       src/misc/picture.c                   | 11 +++++++++++
>       9 files changed, 22 insertions(+)
> 
>     diff --git a/include/vlc_picture.h b/include/vlc_picture.h
>     index 3298630e02a..4bc2e63d88e 100644
>     --- a/include/vlc_picture.h
>     +++ b/include/vlc_picture.h
>     @@ -69,6 +69,7 @@ typedef struct picture_context_t
>       {
>           void (*destroy)(struct picture_context_t *);
>           struct picture_context_t *(*copy)(struct picture_context_t *);
>     +    struct vlc_video_context *vctx;
>       } picture_context_t;
>       
>       typedef struct picture_buffer_t
>     @@ -161,6 +162,9 @@ struct picture_t
>           atomic_uintptr_t refs;
>       };
>       
>     +#define picture_GetVideoContext(pic) \
>     +    ((pic)->context ? (pic)->context->vctx : NULL)
>     +
>       /**
>        * This function will create a new picture.
>        * The picture created will implement a default release management compatible
>     diff --git a/modules/codec/avcodec/d3d11va.c b/modules/codec/avcodec/d3d11va.c
>     index a15830c7f29..174e2d0d40c 100644
>     --- a/modules/codec/avcodec/d3d11va.c
>     +++ b/modules/codec/avcodec/d3d11va.c
>     @@ -177,6 +177,7 @@ static struct d3d11va_pic_context *CreatePicContext(
>               return NULL;
>           pic_ctx->ctx.s = (picture_context_t) {
>               d3d11va_pic_context_destroy, d3d11va_pic_context_copy,
>     +        NULL /*TODO*/
>           };
>       
>           D3D11_TEXTURE2D_DESC txDesc;
>     diff --git a/modules/codec/avcodec/dxva2.c b/modules/codec/avcodec/dxva2.c
>     index 3caa648a315..62b14476e43 100644
>     --- a/modules/codec/avcodec/dxva2.c
>     +++ b/modules/codec/avcodec/dxva2.c
>     @@ -190,6 +190,7 @@ static struct dxva2_pic_context *CreatePicContext(IDirect3DSurface9 *surface)
>               return NULL;
>           pic_ctx->ctx.s = (picture_context_t) {
>               dxva2_pic_context_destroy, dxva2_pic_context_copy,
>     +        NULL /*TODO*/
>           };
>           pic_ctx->ctx.picsys.surface = surface;
>           AcquireD3D9PictureSys(&pic_ctx->ctx.picsys);
>     diff --git a/modules/codec/avcodec/vaapi.c b/modules/codec/avcodec/vaapi.c
>     index daec9b4b4e7..110a6492d2d 100644
>     --- a/modules/codec/avcodec/vaapi.c
>     +++ b/modules/codec/avcodec/vaapi.c
>     @@ -163,6 +163,7 @@ static int Get(vlc_va_t *va, picture_t *pic, uint8_t **data)
>           }
>           vaapi_ctx->ctx.s = (picture_context_t) {
>               vaapi_dec_pic_context_destroy, vaapi_dec_pic_context_copy,
>     +        NULL /*TODO*/
>           };
>           vaapi_ctx->ctx.surface = sys->render_targets[va_surface_GetIndex(va_surface)];
>           vaapi_ctx->ctx.va_dpy = sys->hw_ctx.display;
>     diff --git a/modules/hw/d3d11/d3d11_deinterlace.c b/modules/hw/d3d11/d3d11_deinterlace.c
>     index 90215efbd70..5c58632e59e 100644
>     --- a/modules/hw/d3d11/d3d11_deinterlace.c
>     +++ b/modules/hw/d3d11/d3d11_deinterlace.c
>     @@ -266,6 +266,7 @@ picture_t *AllocPicture( filter_t *p_filter )
>               {
>                   pic_ctx->s = (picture_context_t) {
>                       d3d11_pic_context_destroy, d3d11_pic_context_copy,
>     +                NULL /*TODO*/
>                   };
>                   pic_ctx->picsys = *pic_sys;
>                   AcquireD3D11PictureSys( &pic_ctx->picsys );
>     diff --git a/modules/hw/d3d11/d3d11_surface.c b/modules/hw/d3d11/d3d11_surface.c
>     index 3989a0a37bf..93ce6377a27 100644
>     --- a/modules/hw/d3d11/d3d11_surface.c
>     +++ b/modules/hw/d3d11/d3d11_surface.c
>     @@ -578,6 +578,7 @@ static void NV12_D3D11(filter_t *p_filter, picture_t *src, picture_t *dst)
>               {
>                   pic_ctx->s = (picture_context_t) {
>                       d3d11_pic_context_destroy, d3d11_pic_context_copy,
>     +                NULL /*TODO*/
>                   };
>                   pic_ctx->picsys = *p_sys;
>                   AcquireD3D11PictureSys(&pic_ctx->picsys);
>     diff --git a/modules/hw/d3d9/dxa9.c b/modules/hw/d3d9/dxa9.c
>     index 0f5700b9e87..4f1ea9708bb 100644
>     --- a/modules/hw/d3d9/dxa9.c
>     +++ b/modules/hw/d3d9/dxa9.c
>     @@ -265,6 +265,7 @@ static void YV12_D3D9(filter_t *p_filter, picture_t *src, picture_t *dst)
>               {
>                   pic_ctx->s = (picture_context_t) {
>                       d3d9_pic_context_destroy, d3d9_pic_context_copy,
>     +                NULL /*TODO*/
>                   };
>                   pic_ctx->picsys = *p_sys;
>                   AcquireD3D9PictureSys(&pic_ctx->picsys);
>     diff --git a/modules/hw/d3d9/dxva2_deinterlace.c b/modules/hw/d3d9/dxva2_deinterlace.c
>     index 2564752818e..48b59a23369 100644
>     --- a/modules/hw/d3d9/dxva2_deinterlace.c
>     +++ b/modules/hw/d3d9/dxva2_deinterlace.c
>     @@ -326,6 +326,7 @@ picture_t *AllocPicture( filter_t *p_filter )
>               {
>                   pic_ctx->s = (picture_context_t) {
>                       d3d9_pic_context_destroy, d3d9_pic_context_copy,
>     +                NULL /*TODO*/
>                   };
>                   pic_ctx->picsys = *pic_sys;
>                   AcquireD3D9PictureSys( &pic_ctx->picsys );
>     diff --git a/src/misc/picture.c b/src/misc/picture.c
>     index cdde6f9951a..c128c804055 100644
>     --- a/src/misc/picture.c
>     +++ b/src/misc/picture.c
>     @@ -43,7 +43,10 @@ static void PictureDestroyContext( picture_t *p_picture )
>           picture_context_t *ctx = p_picture->context;
>           if (ctx != NULL)
>           {
>     +        vlc_video_context *vctx = ctx->vctx;
>               ctx->destroy(ctx);
>     +        if (vctx)
>     +            vlc_video_context_Release(vctx);
>               p_picture->context = NULL;
>           }
>       }
>     @@ -389,7 +392,11 @@ void picture_CopyPixels( picture_t *p_dst, const picture_t *p_src )
>           assert( p_dst->context == NULL );
>       
>           if( p_src->context != NULL )
>     +    {
>               p_dst->context = p_src->context->copy( p_src->context );
>     +        if ( p_dst->context != NULL && p_dst->context->vctx != NULL )
>     +            vlc_video_context_Hold( p_dst->context->vctx );
>     +    }
>       }
>       
>       void picture_Copy( picture_t *p_dst, const picture_t *p_src )
>     @@ -425,7 +432,11 @@ picture_t *picture_Clone(picture_t *picture)
>               picture_Hold(picture);
>       
>               if (picture->context != NULL)
>     +        {
>                   clone->context = picture->context->copy(picture->context);
>     +            if ( clone->context != NULL && clone->context->vctx != NULL )
>     +                vlc_video_context_Hold( clone->context->vctx );
>     +        }
>           }
>           return clone;
>       }
> 
> 
> -- 
> Envoyé de mon appareil Android avec Courriel K-9 Mail. Veuillez excuser 
> ma brièveté.
> 
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