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-rw-r--r--video/d3d.c273
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diff --git a/video/d3d.c b/video/d3d.c
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--- /dev/null
+++ b/video/d3d.c
@@ -0,0 +1,273 @@
+/*
+ * 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 "config.h"
+
+#include <libavcodec/avcodec.h>
+
+#include <libavutil/hwcontext.h>
+#include <libavutil/hwcontext_d3d11va.h>
+
+#if HAVE_D3D9_HWACCEL
+#include <libavutil/hwcontext_dxva2.h>
+#endif
+
+#include "common/av_common.h"
+#include "common/common.h"
+#include "osdep/threads.h"
+#include "osdep/windows_utils.h"
+#include "video/fmt-conversion.h"
+#include "video/hwdec.h"
+#include "video/mp_image_pool.h"
+#include "video/mp_image.h"
+
+#include "d3d.h"
+
+HMODULE d3d11_dll, d3d9_dll, dxva2_dll;
+PFN_D3D11_CREATE_DEVICE d3d11_D3D11CreateDevice;
+
+static mp_once d3d_load_once = MP_STATIC_ONCE_INITIALIZER;
+
+#if !HAVE_UWP
+static void d3d_do_load(void)
+{
+ d3d11_dll = LoadLibrary(L"d3d11.dll");
+ d3d9_dll = LoadLibrary(L"d3d9.dll");
+ dxva2_dll = LoadLibrary(L"dxva2.dll");
+
+ if (d3d11_dll) {
+ d3d11_D3D11CreateDevice =
+ (void *)GetProcAddress(d3d11_dll, "D3D11CreateDevice");
+ }
+}
+#else
+static void d3d_do_load(void)
+{
+
+ d3d11_D3D11CreateDevice = D3D11CreateDevice;
+}
+#endif
+
+void d3d_load_dlls(void)
+{
+ mp_exec_once(&d3d_load_once, d3d_do_load);
+}
+
+// Test if Direct3D11 can be used by us. Basically, this prevents trying to use
+// D3D11 on Win7, and then failing somewhere in the process.
+bool d3d11_check_decoding(ID3D11Device *dev)
+{
+ HRESULT hr;
+ // We assume that NV12 is always supported, if hw decoding is supported at
+ // all.
+ UINT supported = 0;
+ hr = ID3D11Device_CheckFormatSupport(dev, DXGI_FORMAT_NV12, &supported);
+ return !FAILED(hr) && (supported & D3D11_BIND_DECODER);
+}
+
+static void d3d11_refine_hwframes(AVBufferRef *hw_frames_ctx)
+{
+ AVHWFramesContext *fctx = (void *)hw_frames_ctx->data;
+
+ if (fctx->format == AV_PIX_FMT_D3D11) {
+ AVD3D11VAFramesContext *hwctx = fctx->hwctx;
+
+ // According to hwcontex_d3d11va.h, yuv420p means DXGI_FORMAT_420_OPAQUE,
+ // which has no shader support.
+ if (fctx->sw_format != AV_PIX_FMT_YUV420P)
+ hwctx->BindFlags |= D3D11_BIND_SHADER_RESOURCE;
+ }
+}
+
+AVBufferRef *d3d11_wrap_device_ref(ID3D11Device *device)
+{
+ AVBufferRef *device_ref = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_D3D11VA);
+ if (!device_ref)
+ return NULL;
+
+ AVHWDeviceContext *ctx = (void *)device_ref->data;
+ AVD3D11VADeviceContext *hwctx = ctx->hwctx;
+
+ ID3D11Device_AddRef(device);
+ hwctx->device = device;
+
+ if (av_hwdevice_ctx_init(device_ref) < 0)
+ av_buffer_unref(&device_ref);
+
+ return device_ref;
+}
+
+static struct AVBufferRef *d3d11_create_standalone(struct mpv_global *global,
+ struct mp_log *plog, struct hwcontext_create_dev_params *params)
+{
+ 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;
+ }
+
+ AVBufferRef *avref = d3d11_wrap_device_ref(device);
+ ID3D11Device_Release(device);
+ if (!avref)
+ mp_err(plog, "Failed to allocate AVHWDeviceContext.\n");
+
+ return avref;
+}
+
+const struct hwcontext_fns hwcontext_fns_d3d11 = {
+ .av_hwdevice_type = AV_HWDEVICE_TYPE_D3D11VA,
+ .refine_hwframes = d3d11_refine_hwframes,
+ .create_dev = d3d11_create_standalone,
+};
+
+#if HAVE_D3D9_HWACCEL
+
+#define DXVA2API_USE_BITFIELDS
+#include <libavutil/common.h>
+
+#include <libavutil/hwcontext_dxva2.h>
+
+static void d3d9_free_av_device_ref(AVHWDeviceContext *ctx)
+{
+ AVDXVA2DeviceContext *hwctx = ctx->hwctx;
+
+ if (hwctx->devmgr)
+ IDirect3DDeviceManager9_Release(hwctx->devmgr);
+}
+
+AVBufferRef *d3d9_wrap_device_ref(IDirect3DDevice9 *device)
+{
+ HRESULT hr;
+
+ d3d_load_dlls();
+ if (!dxva2_dll)
+ return NULL;
+
+ HRESULT (WINAPI *DXVA2CreateDirect3DDeviceManager9)(UINT *, IDirect3DDeviceManager9 **) =
+ (void *)GetProcAddress(dxva2_dll, "DXVA2CreateDirect3DDeviceManager9");
+ if (!DXVA2CreateDirect3DDeviceManager9)
+ return NULL;
+
+ AVBufferRef *device_ref = av_hwdevice_ctx_alloc(AV_HWDEVICE_TYPE_DXVA2);
+ if (!device_ref)
+ return NULL;
+
+ AVHWDeviceContext *ctx = (void *)device_ref->data;
+ AVDXVA2DeviceContext *hwctx = ctx->hwctx;
+
+ UINT reset_token = 0;
+ hr = DXVA2CreateDirect3DDeviceManager9(&reset_token, &hwctx->devmgr);
+ if (FAILED(hr))
+ goto fail;
+
+ hr = IDirect3DDeviceManager9_ResetDevice(hwctx->devmgr, device, reset_token);
+ if (FAILED(hr))
+ goto fail;
+
+ ctx->free = d3d9_free_av_device_ref;
+
+ if (av_hwdevice_ctx_init(device_ref) < 0)
+ goto fail;
+
+ return device_ref;
+
+fail:
+ d3d9_free_av_device_ref(ctx);
+ av_buffer_unref(&device_ref);
+ return NULL;
+}
+
+static struct AVBufferRef *d3d9_create_standalone(struct mpv_global *global,
+ struct mp_log *plog, struct hwcontext_create_dev_params *params)
+{
+ d3d_load_dlls();
+ if (!d3d9_dll || !dxva2_dll) {
+ mp_err(plog, "Failed to load D3D9 library\n");
+ return NULL;
+ }
+
+ HRESULT (WINAPI *Direct3DCreate9Ex)(UINT, IDirect3D9Ex **) =
+ (void *)GetProcAddress(d3d9_dll, "Direct3DCreate9Ex");
+ if (!Direct3DCreate9Ex) {
+ mp_err(plog, "Failed to locate Direct3DCreate9Ex\n");
+ return NULL;
+ }
+
+ IDirect3D9Ex *d3d9ex = NULL;
+ HRESULT hr = Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d9ex);
+ if (FAILED(hr)) {
+ mp_err(plog, "Failed to create IDirect3D9Ex object\n");
+ return NULL;
+ }
+
+ UINT adapter = D3DADAPTER_DEFAULT;
+ D3DDISPLAYMODEEX modeex = {0};
+ IDirect3D9Ex_GetAdapterDisplayModeEx(d3d9ex, adapter, &modeex, NULL);
+
+ D3DPRESENT_PARAMETERS present_params = {
+ .Windowed = TRUE,
+ .BackBufferWidth = 640,
+ .BackBufferHeight = 480,
+ .BackBufferCount = 0,
+ .BackBufferFormat = modeex.Format,
+ .SwapEffect = D3DSWAPEFFECT_DISCARD,
+ .Flags = D3DPRESENTFLAG_VIDEO,
+ };
+
+ IDirect3DDevice9Ex *exdev = NULL;
+ hr = IDirect3D9Ex_CreateDeviceEx(d3d9ex, adapter,
+ D3DDEVTYPE_HAL,
+ GetShellWindow(),
+ D3DCREATE_SOFTWARE_VERTEXPROCESSING |
+ D3DCREATE_MULTITHREADED |
+ D3DCREATE_FPU_PRESERVE,
+ &present_params,
+ NULL,
+ &exdev);
+ IDirect3D9_Release(d3d9ex);
+ if (FAILED(hr)) {
+ mp_err(plog, "Failed to create Direct3D device: %s\n",
+ mp_HRESULT_to_str(hr));
+ return NULL;
+ }
+
+ AVBufferRef *avref = d3d9_wrap_device_ref((IDirect3DDevice9 *)exdev);
+ IDirect3DDevice9Ex_Release(exdev);
+ if (!avref)
+ mp_err(plog, "Failed to allocate AVHWDeviceContext.\n");
+
+ return avref;
+}
+
+const struct hwcontext_fns hwcontext_fns_dxva2 = {
+ .av_hwdevice_type = AV_HWDEVICE_TYPE_DXVA2,
+ .create_dev = d3d9_create_standalone,
+};
+
+#endif /* HAVE_D3D9_HWACCEL */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 09:53:27 +0000