diff options
Diffstat (limited to 'video/decode/d3d.c')
-rw-r--r-- | video/decode/d3d.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/video/decode/d3d.c b/video/decode/d3d.c index a9b67eb0a9..6cc5018333 100644 --- a/video/decode/d3d.c +++ b/video/decode/d3d.c @@ -159,3 +159,129 @@ const struct hwcontext_fns hwcontext_fns_d3d11 = { .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; + + 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 */ |