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