Adding upstream version 0.37.0.upstream/0.37.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 273 insertions, 0 deletions

diff --git a/video/d3d.c b/video/d3d.c
new file mode 100644
index 0000000..ceddcf3
--- /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 */