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/*
* This file is part of mpv.
*
* mpv is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* mpv is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with mpv. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mp_image.h"
#include "d3d11va.h"
struct d3d11va_surface {
HMODULE d3d11_dll;
ID3D11Texture2D *texture;
int subindex;
ID3D11VideoDecoderOutputView *surface;
};
ID3D11VideoDecoderOutputView *d3d11_surface_in_mp_image(struct mp_image *mpi)
{
return mpi && mpi->imgfmt == IMGFMT_D3D11VA ?
(ID3D11VideoDecoderOutputView *)mpi->planes[3] : NULL;
}
ID3D11Texture2D *d3d11_texture_in_mp_image(struct mp_image *mpi)
{
if (!mpi || mpi->imgfmt != IMGFMT_D3D11VA)
return NULL;
struct d3d11va_surface *surface = (void *)mpi->planes[0];
return surface->texture;
}
int d3d11_subindex_in_mp_image(struct mp_image *mpi)
{
if (!mpi || mpi->imgfmt != IMGFMT_D3D11VA)
return -1;
struct d3d11va_surface *surface = (void *)mpi->planes[0];
return surface->subindex;
}
static void d3d11va_release_img(void *arg)
{
struct d3d11va_surface *surface = arg;
if (surface->surface)
ID3D11VideoDecoderOutputView_Release(surface->surface);
if (surface->texture)
ID3D11Texture2D_Release(surface->texture);
if (surface->d3d11_dll)
FreeLibrary(surface->d3d11_dll);
talloc_free(surface);
}
struct mp_image *d3d11va_new_ref(ID3D11VideoDecoderOutputView *view,
int w, int h)
{
if (!view)
return NULL;
struct d3d11va_surface *surface = talloc_zero(NULL, struct d3d11va_surface);
surface->d3d11_dll = LoadLibrary(L"d3d11.dll");
if (!surface->d3d11_dll)
goto fail;
surface->surface = view;
ID3D11VideoDecoderOutputView_AddRef(surface->surface);
ID3D11VideoDecoderOutputView_GetResource(
surface->surface, (ID3D11Resource **)&surface->texture);
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC surface_desc;
ID3D11VideoDecoderOutputView_GetDesc(surface->surface, &surface_desc);
surface->subindex = surface_desc.Texture2D.ArraySlice;
struct mp_image *mpi =
mp_image_new_custom_ref(NULL, surface, d3d11va_release_img);
if (!mpi)
abort();
mp_image_setfmt(mpi, IMGFMT_D3D11VA);
mp_image_set_size(mpi, w, h);
mpi->planes[0] = (void *)surface;
mpi->planes[3] = (void *)surface->surface;
return mpi;
fail:
d3d11va_release_img(surface);
return NULL;
}
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