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