/**
* It destroys a DirectX video service
*/
static void DxDestroyVideoService(vlc_va_dxva2_t *va)
{
if (va->device)
IDirect3DDeviceManager9_CloseDeviceHandle(va->devmng, va->device);
if (va->vs)
IDirectXVideoDecoderService_Release(va->vs);
}
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 void dxva2_frames_uninit(AVHWFramesContext *ctx)
{
AVDXVA2DeviceContext *device_hwctx = ctx->device_ctx->hwctx;
AVDXVA2FramesContext *frames_hwctx = ctx->hwctx;
DXVA2FramesContext *s = ctx->internal->priv;
int i;
if (frames_hwctx->decoder_to_release)
IDirectXVideoDecoder_Release(frames_hwctx->decoder_to_release);
if (s->surfaces_internal) {
for (i = 0; i < frames_hwctx->nb_surfaces; i++) {
if (s->surfaces_internal[i])
IDirect3DSurface9_Release(s->surfaces_internal[i]);
}
}
av_freep(&s->surfaces_internal);
if (s->service) {
IDirectXVideoAccelerationService_Release(s->service);
s->service = NULL;
}
if (s->device_handle != INVALID_HANDLE_VALUE) {
IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, s->device_handle);
s->device_handle = INVALID_HANDLE_VALUE;
}
}
static void dxva2_uninit(struct lavc_ctx *s)
{
DXVA2Context *ctx = s->hwdec_priv;
if (!ctx)
return;
if (ctx->decoder)
dxva2_destroy_decoder(s);
if (ctx->decoder_service)
IDirectXVideoDecoderService_Release(ctx->decoder_service);
if (ctx->d3d9devmgr && ctx->deviceHandle != INVALID_HANDLE_VALUE)
IDirect3DDeviceManager9_CloseDeviceHandle(ctx->d3d9devmgr, ctx->deviceHandle);
if (ctx->d3d9devmgr)
IDirect3DDeviceManager9_Release(ctx->d3d9devmgr);
if (ctx->d3d9device)
IDirect3DDevice9_Release(ctx->d3d9device);
if (ctx->d3d9)
IDirect3D9_Release(ctx->d3d9);
if (ctx->d3dlib)
FreeLibrary(ctx->d3dlib);
if (ctx->dxva2lib)
FreeLibrary(ctx->dxva2lib);
av_freep(&s->avctx->hwaccel_context);
talloc_free(ctx);
s->hwdec_priv = NULL;
}
/**
* It destroys a DirectX video service
*/
static void hb_dx_destroy_video_service( hb_va_dxva2_t *dxva2 )
{
if( dxva2->device )
IDirect3DDeviceManager9_CloseDeviceHandle( dxva2->devmng, dxva2->device );
if( dxva2->vs )
IDirectXVideoDecoderService_Release( dxva2->vs );
}
static int dxva2_alloc(AVCodecContext *s)
{
InputStream *ist = s->opaque;
int loglevel = (ist->hwaccel_id == HWACCEL_AUTO) ? AV_LOG_VERBOSE : AV_LOG_ERROR;
DXVA2Context *ctx;
HANDLE device_handle;
HRESULT hr;
AVHWDeviceContext *device_ctx;
AVDXVA2DeviceContext *device_hwctx;
int ret;
ctx = av_mallocz(sizeof(*ctx));
if (!ctx)
return AVERROR(ENOMEM);
ist->hwaccel_ctx = ctx;
ist->hwaccel_uninit = dxva2_uninit;
ist->hwaccel_get_buffer = dxva2_get_buffer;
ist->hwaccel_retrieve_data = dxva2_retrieve_data;
ret = av_hwdevice_ctx_create(&ctx->hw_device_ctx, AV_HWDEVICE_TYPE_DXVA2,
ist->hwaccel_device, NULL, 0);
if (ret < 0)
goto fail;
device_ctx = (AVHWDeviceContext*)ctx->hw_device_ctx->data;
device_hwctx = device_ctx->hwctx;
hr = IDirect3DDeviceManager9_OpenDeviceHandle(device_hwctx->devmgr,
&device_handle);
if (FAILED(hr)) {
av_log(NULL, loglevel, "Failed to open a device handle\n");
goto fail;
}
hr = IDirect3DDeviceManager9_GetVideoService(device_hwctx->devmgr, device_handle,
&IID_IDirectXVideoDecoderService,
(void **)&ctx->decoder_service);
IDirect3DDeviceManager9_CloseDeviceHandle(device_hwctx->devmgr, device_handle);
if (FAILED(hr)) {
av_log(NULL, loglevel, "Failed to create IDirectXVideoDecoderService\n");
goto fail;
}
ctx->tmp_frame = av_frame_alloc();
if (!ctx->tmp_frame)
goto fail;
s->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
if (!s->hwaccel_context)
goto fail;
return 0;
fail:
dxva2_uninit(s);
return AVERROR(EINVAL);
}
void DXVA2Decoder::DestroyVideoService(void)
{
if (m_device)
IDirect3DDeviceManager9_CloseDeviceHandle(m_deviceManager, m_device);
if (m_service)
IDirectXVideoDecoderService_Release(m_service);
m_deviceManager = nullptr;
m_device = nullptr;
m_service = nullptr;
}
/**
* It destroys a DirectX video service
*/
static void DxDestroyVideoService(vlc_va_t *va)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
if (va->sys->device)
{
HRESULT hr = IDirect3DDeviceManager9_CloseDeviceHandle(va->sys->devmng, va->sys->device);
if (FAILED(hr))
msg_Warn(va, "Failed to release device handle %x. (hr=0x%lX)", va->sys->device, hr);
}
if (dx_sys->d3ddec)
IDirectXVideoDecoderService_Release(dx_sys->d3ddec);
}
static void dxva2_uninit(AVCodecContext *s)
{
HwAccelContext *hac = s->opaque;
DXVA2Context *ctx = hac->hwaccel_ctx;
hac->hwaccel_uninit = NULL;
hac->hwaccel_get_buffer = NULL;
hac->hwaccel_retrieve_data = NULL;
if (ctx->decoder)
dxva2_destroy_decoder(s);
if (ctx->decoder_service)
IDirectXVideoDecoderService_Release(ctx->decoder_service);
if (ctx->d3d9devmgr && ctx->deviceHandle != INVALID_HANDLE_VALUE)
IDirect3DDeviceManager9_CloseDeviceHandle(ctx->d3d9devmgr, ctx->deviceHandle);
if (ctx->d3d9devmgr)
IDirect3DDeviceManager9_Release(ctx->d3d9devmgr);
if (ctx->d3d9device)
IDirect3DDevice9_Release(ctx->d3d9device);
if (ctx->d3d9)
IDirect3D9_Release(ctx->d3d9);
if (ctx->d3dlib)
FreeLibrary(ctx->d3dlib);
//if (ctx->dxva2lib)
// FreeLibrary(ctx->dxva2lib);
av_frame_free(&ctx->tmp_frame);
av_freep(&hac->hwaccel_ctx);
av_freep(&s->hwaccel_context);
}
/**
* It destroys a DirectX video service
*/
static void DxDestroyVideoService(vlc_va_t *va)
{
if (va->sys->device)
IDirect3DDeviceManager9_CloseDeviceHandle(va->sys->devmng, va->sys->device);
}
static int dxva2_init_decoder(struct lavc_ctx *s, int w, int h)
{
HRESULT hr;
int ret = -1;
struct priv *p = s->hwdec_priv;
TA_FREEP(&p->decoder_pool);
int n_surfaces = hwdec_get_max_refs(s) + ADDITIONAL_SURFACES;
IDirect3DSurface9 **surfaces = NULL;
IDirectXVideoDecoder *decoder = NULL;
void *tmp = talloc_new(NULL);
UINT n_guids;
GUID *device_guids;
hr = IDirectXVideoDecoderService_GetDecoderDeviceGuids(
p->decoder_service, &n_guids, &device_guids);
if (FAILED(hr)) {
MP_ERR(p, "Failed to retrieve decoder device GUIDs: %s\n",
mp_HRESULT_to_str(hr));
goto done;
}
dump_decoder_info(s, device_guids, n_guids);
struct d3d_decoder_fmt fmt =
d3d_select_decoder_mode(s, device_guids, n_guids,
d3d9_formats, MP_ARRAY_SIZE(d3d9_formats),
dxva2_format_supported);
CoTaskMemFree(device_guids);
if (!fmt.format) {
MP_ERR(p, "Failed to find a suitable decoder\n");
goto done;
}
p->mpfmt_decoded = fmt.format->mpfmt;
struct mp_image_pool *decoder_pool =
talloc_steal(tmp, mp_image_pool_new(n_surfaces));
DXVA2_ConfigPictureDecode *decoder_config =
talloc_zero(decoder_pool, DXVA2_ConfigPictureDecode);
int w_align = w, h_align = h;
d3d_surface_align(s, &w_align, &h_align);
DXVA2_VideoDesc video_desc ={
.SampleWidth = w,
.SampleHeight = h,
.Format = fmt.format->dxfmt,
};
UINT n_configs = 0;
DXVA2_ConfigPictureDecode *configs = NULL;
hr = IDirectXVideoDecoderService_GetDecoderConfigurations(
p->decoder_service, fmt.guid, &video_desc, NULL,
&n_configs, &configs);
if (FAILED(hr)) {
MP_ERR(p, "Unable to retrieve decoder configurations: %s\n",
mp_HRESULT_to_str(hr));
goto done;
}
unsigned max_score = 0;
for (UINT i = 0; i < n_configs; i++) {
unsigned score = d3d_decoder_config_score(
s, &configs[i].guidConfigBitstreamEncryption,
configs[i].ConfigBitstreamRaw);
if (score > max_score) {
max_score = score;
*decoder_config = configs[i];
}
}
CoTaskMemFree(configs);
if (!max_score) {
MP_ERR(p, "Failed to find a suitable decoder configuration\n");
goto done;
}
surfaces = talloc_zero_array(decoder_pool, IDirect3DSurface9*, n_surfaces);
hr = IDirectXVideoDecoderService_CreateSurface(
p->decoder_service,
w_align, h_align,
n_surfaces - 1, fmt.format->dxfmt, D3DPOOL_DEFAULT, 0,
DXVA2_VideoDecoderRenderTarget, surfaces, NULL);
if (FAILED(hr)) {
MP_ERR(p, "Failed to create %d video surfaces: %s\n",
n_surfaces, mp_HRESULT_to_str(hr));
goto done;
}
hr = IDirectXVideoDecoderService_CreateVideoDecoder(
p->decoder_service, fmt.guid, &video_desc, decoder_config,
surfaces, n_surfaces, &decoder);
if (FAILED(hr)) {
MP_ERR(p, "Failed to create DXVA2 video decoder: %s\n",
mp_HRESULT_to_str(hr));
goto done;
}
for (int i = 0; i < n_surfaces; i++) {
struct mp_image *img = dxva2_new_ref(decoder, surfaces[i], w, h);
if (!img) {
MP_ERR(p, "Failed to create DXVA2 image\n");
goto done;
}
mp_image_pool_add(decoder_pool, img); // transferred to pool
}
// Pass required information on to ffmpeg.
struct dxva_context *dxva_ctx = s->avctx->hwaccel_context;
dxva_ctx->cfg = decoder_config;
dxva_ctx->decoder = decoder;
dxva_ctx->surface_count = n_surfaces;
dxva_ctx->surface = surfaces;
dxva_ctx->workaround = is_clearvideo(fmt.guid) ?
FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO : 0;
p->decoder_pool = talloc_steal(NULL, decoder_pool);
ret = 0;
done:
// On success, `p->decoder_pool` mp_images still hold refs to `surfaces` and
// `decoder`, so the pointers in the ffmpeg `dxva_context` strcture remain
// valid for the lifetime of the pool.
if (surfaces) {
for (int i = 0; i < n_surfaces; i++)
IDirect3DSurface9_Release(surfaces[i]);
}
if (decoder)
IDirectXVideoDecoder_Release(decoder);
talloc_free(tmp);
return ret;
}
static void destroy_device(struct lavc_ctx *s)
{
struct priv *p = s->hwdec_priv;
if (p->device)
IDirect3DDevice9_Release(p->device);
if (p->d3d9)
IDirect3D9_Release(p->d3d9);
}
static bool create_device(struct lavc_ctx *s)
{
struct priv *p = s->hwdec_priv;
d3d_load_dlls();
if (!d3d9_dll) {
MP_ERR(p, "Failed to load D3D9 library\n");
return false;
}
HRESULT (WINAPI *Direct3DCreate9Ex)(UINT, IDirect3D9Ex **) =
(void *)GetProcAddress(d3d9_dll, "Direct3DCreate9Ex");
if (!Direct3DCreate9Ex) {
MP_ERR(p, "Failed to locate Direct3DCreate9Ex\n");
return false;
}
IDirect3D9Ex *d3d9ex = NULL;
HRESULT hr = Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d9ex);
if (FAILED(hr)) {
MP_ERR(p, "Failed to create IDirect3D9Ex object\n");
return false;
}
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);
if (FAILED(hr)) {
MP_ERR(p, "Failed to create Direct3D device: %s\n",
mp_HRESULT_to_str(hr));
IDirect3D9_Release(d3d9ex);
return false;
}
p->d3d9 = (IDirect3D9 *)d3d9ex;
p->device = (IDirect3DDevice9 *)exdev;
return true;
}
static void dxva2_uninit(struct lavc_ctx *s)
{
struct priv *p = s->hwdec_priv;
if (!p)
return;
av_freep(&s->avctx->hwaccel_context);
talloc_free(p->decoder_pool);
if (p->decoder_service)
IDirectXVideoDecoderService_Release(p->decoder_service);
if (p->device_manager && p->device_handle != INVALID_HANDLE_VALUE)
IDirect3DDeviceManager9_CloseDeviceHandle(p->device_manager, p->device_handle);
if (p->device_manager)
IDirect3DDeviceManager9_Release(p->device_manager);
destroy_device(s);
TA_FREEP(&s->hwdec_priv);
}
static int dxva2_init(struct lavc_ctx *s)
{
HRESULT hr;
struct priv *p = talloc_zero(NULL, struct priv);
if (!p)
return -1;
s->hwdec_priv = p;
p->device_handle = INVALID_HANDLE_VALUE;
p->log = mp_log_new(s, s->log, "dxva2");
if (s->hwdec->type == HWDEC_DXVA2_COPY) {
mp_check_gpu_memcpy(p->log, NULL);
p->sw_pool = talloc_steal(p, mp_image_pool_new(17));
}
p->device = hwdec_devices_load(s->hwdec_devs, s->hwdec->type);
if (p->device) {
IDirect3D9_AddRef(p->device);
MP_VERBOSE(p, "Using VO-supplied device %p.\n", p->device);
} else if (s->hwdec->type == HWDEC_DXVA2) {
MP_ERR(p, "No Direct3D device provided for native dxva2 decoding\n");
goto fail;
} else {
if (!create_device(s))
goto fail;
}
d3d_load_dlls();
if (!dxva2_dll) {
MP_ERR(p, "Failed to load DXVA2 library\n");
goto fail;
}
HRESULT (WINAPI *CreateDeviceManager9)(UINT *, IDirect3DDeviceManager9 **) =
(void *)GetProcAddress(dxva2_dll, "DXVA2CreateDirect3DDeviceManager9");
if (!CreateDeviceManager9) {
MP_ERR(p, "Failed to locate DXVA2CreateDirect3DDeviceManager9\n");
goto fail;
}
unsigned reset_token = 0;
hr = CreateDeviceManager9(&reset_token, &p->device_manager);
if (FAILED(hr)) {
MP_ERR(p, "Failed to create Direct3D device manager: %s\n",
mp_HRESULT_to_str(hr));
goto fail;
}
hr = IDirect3DDeviceManager9_ResetDevice(p->device_manager,
p->device, reset_token);
if (FAILED(hr)) {
MP_ERR(p, "Failed to bind Direct3D device to device manager: %s\n",
mp_HRESULT_to_str(hr));
goto fail;
}
hr = IDirect3DDeviceManager9_OpenDeviceHandle(p->device_manager,
&p->device_handle);
if (FAILED(hr)) {
MP_ERR(p, "Failed to open device handle: %s\n",
mp_HRESULT_to_str(hr));
goto fail;
}
hr = IDirect3DDeviceManager9_GetVideoService(
p->device_manager, p->device_handle, &IID_IDirectXVideoDecoderService,
(void **)&p->decoder_service);
if (FAILED(hr)) {
MP_ERR(p, "Failed to create IDirectXVideoDecoderService: %s\n",
mp_HRESULT_to_str(hr));
goto fail;
}
s->avctx->hwaccel_context = av_mallocz(sizeof(struct dxva_context));
if (!s->avctx->hwaccel_context)
goto fail;
return 0;
fail:
dxva2_uninit(s);
return -1;
}
static int dxva2_probe(struct lavc_ctx *ctx, struct vd_lavc_hwdec *hwdec,
const char *codec)
{
// dxva2-copy can do without external context; dxva2 requires it.
if (hwdec->type == HWDEC_DXVA2) {
if (!hwdec_devices_load(ctx->hwdec_devs, HWDEC_DXVA2))
return HWDEC_ERR_NO_CTX;
} else {
hwdec_devices_load(ctx->hwdec_devs, HWDEC_DXVA2_COPY);
}
return d3d_probe_codec(codec);
}
const struct vd_lavc_hwdec mp_vd_lavc_dxva2 = {
.type = HWDEC_DXVA2,
.image_format = IMGFMT_DXVA2,
.probe = dxva2_probe,
.init = dxva2_init,
.uninit = dxva2_uninit,
.init_decoder = dxva2_init_decoder,
.allocate_image = dxva2_allocate_image,
};
const struct vd_lavc_hwdec mp_vd_lavc_dxva2_copy = {
.type = HWDEC_DXVA2_COPY,
.copying = true,
.image_format = IMGFMT_DXVA2,
.probe = dxva2_probe,
.init = dxva2_init,
.uninit = dxva2_uninit,
.init_decoder = dxva2_init_decoder,
.allocate_image = dxva2_allocate_image,
.process_image = dxva2_retrieve_image,
.delay_queue = HWDEC_DELAY_QUEUE_COUNT,
};
