mirror of https://github.com/mpv-player/mpv
109 lines
3.2 KiB
C
109 lines
3.2 KiB
C
/*
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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 <libavcodec/d3d11va.h>
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#include <libavutil/mem.h>
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#include "config.h"
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#include "lavc.h"
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#include "common/common.h"
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#include "common/av_common.h"
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#include "osdep/windows_utils.h"
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#include "video/fmt-conversion.h"
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#include "video/mp_image_pool.h"
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#include "video/hwdec.h"
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#include "d3d.h"
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#include <libavutil/hwcontext.h>
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#include <libavutil/hwcontext_d3d11va.h>
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static void d3d11_destroy_dev(struct mp_hwdec_ctx *ctx)
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{
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av_buffer_unref(&ctx->av_device_ref);
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ID3D11Device_Release((ID3D11Device *)ctx->ctx);
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talloc_free(ctx);
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}
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static struct mp_hwdec_ctx *d3d11_create_dev(struct mpv_global *global,
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struct mp_log *plog, bool probing)
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{
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ID3D11Device *device = NULL;
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HRESULT hr;
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d3d_load_dlls();
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if (!d3d11_D3D11CreateDevice) {
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mp_err(plog, "Failed to load D3D11 library\n");
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return NULL;
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}
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hr = d3d11_D3D11CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
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D3D11_CREATE_DEVICE_VIDEO_SUPPORT, NULL, 0,
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D3D11_SDK_VERSION, &device, NULL, NULL);
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if (FAILED(hr)) {
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mp_err(plog, "Failed to create D3D11 Device: %s\n",
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mp_HRESULT_to_str(hr));
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return NULL;
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}
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struct mp_hwdec_ctx *ctx = talloc_ptrtype(NULL, ctx);
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*ctx = (struct mp_hwdec_ctx) {
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.type = HWDEC_D3D11VA_COPY,
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.ctx = device,
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.destroy = d3d11_destroy_dev,
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.av_device_ref = d3d11_wrap_device_ref(device),
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};
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if (!ctx->av_device_ref) {
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mp_err(plog, "Failed to allocate AVHWDeviceContext.\n");
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d3d11_destroy_dev(ctx);
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return NULL;
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}
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return ctx;
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}
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static struct mp_image *d3d11_update_image_attribs(struct lavc_ctx *s,
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struct mp_image *img)
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{
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if (img->params.hw_subfmt == IMGFMT_NV12)
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mp_image_setfmt(img, IMGFMT_D3D11NV12);
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return img;
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}
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const struct vd_lavc_hwdec mp_vd_lavc_d3d11va = {
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.type = HWDEC_D3D11VA,
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.image_format = IMGFMT_D3D11VA,
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.generic_hwaccel = true,
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.set_hwframes = true,
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.hwframes_refine = d3d_hwframes_refine,
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.process_image = d3d11_update_image_attribs,
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};
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const struct vd_lavc_hwdec mp_vd_lavc_d3d11va_copy = {
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.type = HWDEC_D3D11VA_COPY,
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.copying = true,
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.image_format = IMGFMT_D3D11VA,
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.generic_hwaccel = true,
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.create_dev = d3d11_create_dev,
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.set_hwframes = true,
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.hwframes_refine = d3d_hwframes_refine,
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.delay_queue = HWDEC_DELAY_QUEUE_COUNT,
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};
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