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hwcontext_dxva2: implement device creation

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This commit is contained in:
Anton Khirnov 2016-05-19 19:19:20 +02:00
parent 2e219b491b
commit 8e70385a8e
1 changed files with 133 additions and 0 deletions
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133
libavutil/hwcontext_dxva2.c
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@ -37,6 +37,9 @@
#include "pixdesc.h"
#include "pixfmt.h"
typedef IDirect3D9* WINAPI pDirect3DCreate9(UINT);
typedef HRESULT WINAPI pCreateDeviceManager9(UINT *, IDirect3DDeviceManager9 **);
typedef struct DXVA2FramesContext {
IDirect3DSurface9 **surfaces_internal;
int nb_surfaces_used;
@ -47,6 +50,16 @@ typedef struct DXVA2FramesContext {
D3DFORMAT format;
} DXVA2FramesContext;
typedef struct DXVA2DevicePriv {
HMODULE d3dlib;
HMODULE dxva2lib;
HANDLE device_handle;
IDirect3D9 *d3d9;
IDirect3DDevice9 *d3d9device;
} DXVA2DevicePriv;
static const struct {
D3DFORMAT d3d_format;
enum AVPixelFormat pix_fmt;
@ -273,6 +286,125 @@ static int dxva2_transfer_data(AVHWFramesContext *ctx, AVFrame *dst,
return 0;
}
static void dxva2_device_free(AVHWDeviceContext *ctx)
{
AVDXVA2DeviceContext *hwctx = ctx->hwctx;
DXVA2DevicePriv *priv = ctx->user_opaque;
if (hwctx->devmgr && priv->device_handle != INVALID_HANDLE_VALUE)
IDirect3DDeviceManager9_CloseDeviceHandle(hwctx->devmgr, priv->device_handle);
if (hwctx->devmgr)
IDirect3DDeviceManager9_Release(hwctx->devmgr);
if (priv->d3d9device)
IDirect3DDevice9_Release(priv->d3d9device);
if (priv->d3d9)
IDirect3D9_Release(priv->d3d9);
if (priv->d3dlib)
FreeLibrary(priv->d3dlib);
if (priv->dxva2lib)
FreeLibrary(priv->dxva2lib);
av_freep(&ctx->user_opaque);
}
static int dxva2_device_create(AVHWDeviceContext *ctx, const char *device,
AVDictionary *opts, int flags)
{
AVDXVA2DeviceContext *hwctx = ctx->hwctx;
DXVA2DevicePriv *priv;
pDirect3DCreate9 *createD3D = NULL;
pCreateDeviceManager9 *createDeviceManager = NULL;
D3DPRESENT_PARAMETERS d3dpp = {0};
D3DDISPLAYMODE d3ddm;
unsigned resetToken = 0;
UINT adapter = D3DADAPTER_DEFAULT;
HRESULT hr;
if (device)
adapter = atoi(device);
priv = av_mallocz(sizeof(*priv));
if (!priv)
return AVERROR(ENOMEM);
ctx->user_opaque = priv;
ctx->free = dxva2_device_free;
priv->device_handle = INVALID_HANDLE_VALUE;
priv->d3dlib = LoadLibrary("d3d9.dll");
if (!priv->d3dlib) {
av_log(ctx, AV_LOG_ERROR, "Failed to load D3D9 library\n");
return AVERROR_UNKNOWN;
}
priv->dxva2lib = LoadLibrary("dxva2.dll");
if (!priv->dxva2lib) {
av_log(ctx, AV_LOG_ERROR, "Failed to load DXVA2 library\n");
return AVERROR_UNKNOWN;
}
createD3D = (pDirect3DCreate9 *)GetProcAddress(priv->d3dlib, "Direct3DCreate9");
if (!createD3D) {
av_log(ctx, AV_LOG_ERROR, "Failed to locate Direct3DCreate9\n");
return AVERROR_UNKNOWN;
}
createDeviceManager = (pCreateDeviceManager9 *)GetProcAddress(priv->dxva2lib,
"DXVA2CreateDirect3DDeviceManager9");
if (!createDeviceManager) {
av_log(ctx, AV_LOG_ERROR, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
return AVERROR_UNKNOWN;
}
priv->d3d9 = createD3D(D3D_SDK_VERSION);
if (!priv->d3d9) {
av_log(ctx, AV_LOG_ERROR, "Failed to create IDirect3D object\n");
return AVERROR_UNKNOWN;
}
IDirect3D9_GetAdapterDisplayMode(priv->d3d9, adapter, &d3ddm);
d3dpp.Windowed = TRUE;
d3dpp.BackBufferWidth = 640;
d3dpp.BackBufferHeight = 480;
d3dpp.BackBufferCount = 0;
d3dpp.BackBufferFormat = d3ddm.Format;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
hr = IDirect3D9_CreateDevice(priv->d3d9, adapter, D3DDEVTYPE_HAL, GetShellWindow(),
D3DCREATE_SOFTWARE_VERTEXPROCESSING | D3DCREATE_MULTITHREADED | D3DCREATE_FPU_PRESERVE,
&d3dpp, &priv->d3d9device);
if (FAILED(hr)) {
av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device\n");
return AVERROR_UNKNOWN;
}
hr = createDeviceManager(&resetToken, &hwctx->devmgr);
if (FAILED(hr)) {
av_log(ctx, AV_LOG_ERROR, "Failed to create Direct3D device manager\n");
return AVERROR_UNKNOWN;
}
hr = IDirect3DDeviceManager9_ResetDevice(hwctx->devmgr, priv->d3d9device, resetToken);
if (FAILED(hr)) {
av_log(ctx, AV_LOG_ERROR, "Failed to bind Direct3D device to device manager\n");
return AVERROR_UNKNOWN;
}
hr = IDirect3DDeviceManager9_OpenDeviceHandle(hwctx->devmgr, &priv->device_handle);
if (FAILED(hr)) {
av_log(ctx, AV_LOG_ERROR, "Failed to open device handle\n");
return AVERROR_UNKNOWN;
}
return 0;
}
const HWContextType ff_hwcontext_type_dxva2 = {
.type = AV_HWDEVICE_TYPE_DXVA2,
.name = "DXVA2",
@ -281,6 +413,7 @@ const HWContextType ff_hwcontext_type_dxva2 = {
.frames_hwctx_size = sizeof(AVDXVA2FramesContext),
.frames_priv_size = sizeof(DXVA2FramesContext),
.device_create = dxva2_device_create,
.frames_init = dxva2_frames_init,
.frames_uninit = dxva2_frames_uninit,
.frames_get_buffer = dxva2_get_buffer,