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/*****************************************************************************
* d3d11va.c: Direct3D11 Video Acceleration decoder
*****************************************************************************
* Copyright © 2009 Geoffroy Couprie
* Copyright © 2009 Laurent Aimar
* Copyright © 2015 Steve Lhomme
* Copyright © 2015 VideoLabs
*
* Authors: Geoffroy Couprie <geal@videolan.org>
* Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
* Steve Lhomme <robux4@gmail.com>
*
* This program 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.
*
* This program 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 this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/**
* See https://msdn.microsoft.com/en-us/library/windows/desktop/hh162912%28v=vs.85%29.aspx
**/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <vlc_common.h>
#include <vlc_picture.h>
#include <vlc_plugin.h>
#include <vlc_charset.h>
#include <vlc_filter.h>
#include <vlc_modules.h>
#include "directx_va.h"
#define COBJMACROS
#define INITGUID
#include <d3d11.h>
#include <libavcodec/d3d11va.h>
#include "../../video_chroma/dxgi_fmt.h"
static int Open(vlc_va_t *, AVCodecContext *, enum PixelFormat,
const es_format_t *, picture_sys_t *p_sys);
static void Close(vlc_va_t *, AVCodecContext *);
vlc_module_begin()
set_description(N_("Direct3D11 Video Acceleration"))
set_capability("hw decoder", 0)
set_category(CAT_INPUT)
set_subcategory(SUBCAT_INPUT_VCODEC)
set_callbacks(Open, Close)
vlc_module_end()
#include <initguid.h> /* must be last included to not redefine existing GUIDs */
/* dxva2api.h GUIDs: http://msdn.microsoft.com/en-us/library/windows/desktop/ms697067(v=vs100).aspx
* assume that they are declared in dxva2api.h */
#define MS_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8)
#ifdef __MINGW32__
# include <_mingw.h>
# if !defined(__MINGW64_VERSION_MAJOR)
# undef MS_GUID
# define MS_GUID DEFINE_GUID /* dxva2api.h fails to declare those, redefine as static */
# define DXVA2_E_NEW_VIDEO_DEVICE MAKE_HRESULT(1, 4, 4097)
# else
# include <dxva.h>
# endif
#endif /* __MINGW32__ */
#if !defined(NDEBUG) && defined(HAVE_DXGIDEBUG_H)
# include <dxgidebug.h>
#endif
DEFINE_GUID(IID_ID3D11VideoDevice, 0x10EC4D5B, 0x975A, 0x4689, 0xB9, 0xE4, 0xD0, 0xAA, 0xC3, 0x0F, 0xE3, 0x33);
DEFINE_GUID(IID_ID3D11VideoContext, 0x61F21C45, 0x3C0E, 0x4a74, 0x9C, 0xEA, 0x67, 0x10, 0x0D, 0x9A, 0xD5, 0xE4);
DEFINE_GUID(IID_IDXGIDevice, 0x54ec77fa, 0x1377, 0x44e6, 0x8c, 0x32, 0x88, 0xfd, 0x5f, 0x44, 0xc8, 0x4c);
DEFINE_GUID(IID_ID3D10Multithread, 0x9b7e4e00, 0x342c, 0x4106, 0xa1, 0x9f, 0x4f, 0x27, 0x04, 0xf6, 0x89, 0xf0);
DEFINE_GUID(DXVA_Intel_H264_NoFGT_ClearVideo, 0x604F8E68, 0x4951, 0x4c54, 0x88, 0xFE, 0xAB, 0xD2, 0x5C, 0x15, 0xB3, 0xD6);
struct vlc_va_sys_t
{
directx_sys_t dx_sys;
#if !defined(NDEBUG) && defined(HAVE_DXGIDEBUG_H)
HINSTANCE dxgidebug_dll;
#endif
/* Video service */
ID3D11VideoContext *d3dvidctx;
DXGI_FORMAT render;
ID3D11DeviceContext *d3dctx;
/* Video decoder */
D3D11_VIDEO_DECODER_CONFIG cfg;
/* Option conversion */
filter_t *filter;
/* avcodec internals */
struct AVD3D11VAContext hw;
};
/* VLC_CODEC_D3D11_OPAQUE */
struct picture_sys_t
{
ID3D11VideoDecoderOutputView *decoder; /* may be NULL for pictures from the pool */
ID3D11Texture2D *texture;
ID3D11DeviceContext *context;
};
/* */
static int D3dCreateDevice(vlc_va_t *);
static void D3dDestroyDevice(vlc_va_t *);
static char *DxDescribe(directx_sys_t *);
static int D3dCreateDeviceManager(vlc_va_t *);
static void D3dDestroyDeviceManager(vlc_va_t *);
static int DxCreateVideoService(vlc_va_t *);
static void DxDestroyVideoService(vlc_va_t *);
static int DxGetInputList(vlc_va_t *, input_list_t *);
static int DxSetupOutput(vlc_va_t *, const GUID *);
static int DxCreateDecoderSurfaces(vlc_va_t *, int codec_id, const video_format_t *fmt, bool b_threading);
static void DxDestroySurfaces(vlc_va_t *);
static void SetupAVCodecContext(vlc_va_t *);
static picture_t *DxAllocPicture(vlc_va_t *, const video_format_t *, unsigned index);
/* */
static int Setup(vlc_va_t *va, AVCodecContext *avctx, vlc_fourcc_t *chroma)
{
vlc_va_sys_t *sys = va->sys;
if (directx_va_Setup(va, &sys->dx_sys, avctx, chroma)!=VLC_SUCCESS)
return VLC_EGENERIC;
avctx->hwaccel_context = &sys->hw;
*chroma = sys->filter == NULL ? VLC_CODEC_D3D11_OPAQUE : VLC_CODEC_YV12;
return VLC_SUCCESS;
}
void SetupAVCodecContext(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
directx_sys_t *dx_sys = &sys->dx_sys;
sys->hw.video_context = sys->d3dvidctx;
sys->hw.decoder = (ID3D11VideoDecoder*) dx_sys->decoder;
sys->hw.cfg = &sys->cfg;
sys->hw.surface_count = dx_sys->surface_count;
sys->hw.surface = (ID3D11VideoDecoderOutputView**) dx_sys->hw_surface;
if (IsEqualGUID(&dx_sys->input, &DXVA_Intel_H264_NoFGT_ClearVideo))
sys->hw.workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
}
static void DeleteFilter( filter_t * p_filter )
{
if( p_filter->p_module )
module_unneed( p_filter, p_filter->p_module );
es_format_Clean( &p_filter->fmt_in );
es_format_Clean( &p_filter->fmt_out );
vlc_object_release( p_filter );
}
static picture_t *video_new_buffer(filter_t *p_filter)
{
return p_filter->owner.sys;
}
static filter_t *CreateFilter( vlc_object_t *p_this, const es_format_t *p_fmt_in,
vlc_fourcc_t fmt_out )
{
filter_t *p_filter;
p_filter = vlc_object_create( p_this, sizeof(filter_t) );
if (unlikely(p_filter == NULL))
return NULL;
p_filter->owner.video.buffer_new = (picture_t *(*)(filter_t *))video_new_buffer;
es_format_InitFromVideo( &p_filter->fmt_in, &p_fmt_in->video );
es_format_InitFromVideo( &p_filter->fmt_out, &p_fmt_in->video );
p_filter->fmt_in.i_codec = p_filter->fmt_in.video.i_chroma = VLC_CODEC_D3D11_OPAQUE;
p_filter->fmt_out.i_codec = p_filter->fmt_out.video.i_chroma = fmt_out;
p_filter->p_module = module_need( p_filter, "video filter2", NULL, false );
if( !p_filter->p_module )
{
msg_Dbg( p_filter, "no video filter found" );
DeleteFilter( p_filter );
return NULL;
}
return p_filter;
}
static int Extract(vlc_va_t *va, picture_t *output, uint8_t *data)
{
vlc_va_sys_t *sys = va->sys;
ID3D11VideoDecoderOutputView *src = (ID3D11VideoDecoderOutputView*)(uintptr_t)data;
vlc_va_surface_t *surface = output->context;
if (output->format.i_chroma == VLC_CODEC_D3D11_OPAQUE)
{
/* copy decoder slice to surface */
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
picture_sys_t *p_sys_out = output->p_sys;
picture_sys_t *p_sys_in = surface->p_pic->p_sys;
assert(p_sys_out->texture != NULL);
assert(p_sys_in->decoder == src);
ID3D11VideoDecoderOutputView_GetDesc( src, &viewDesc );
ID3D11DeviceContext_CopySubresourceRegion(sys->d3dctx, (ID3D11Resource*) p_sys_out->texture,
0, 0, 0, 0,
(ID3D11Resource*) p_sys_in->texture,
viewDesc.Texture2D.ArraySlice,
NULL);
}
else if (output->format.i_chroma == VLC_CODEC_YV12) {
va->sys->filter->owner.sys = output;
picture_Hold( surface->p_pic );
va->sys->filter->pf_video_filter( va->sys->filter, surface->p_pic );
} else {
msg_Err(va, "Unsupported output picture format %08X", output->format.i_chroma );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
static int CheckDevice(vlc_va_t *va)
{
VLC_UNUSED(va);
#ifdef TODO
/* Check the device */
/* see MFCreateDXGIDeviceManager in mfplat.dll, not avail in Win7 */
HRESULT hr = IDirect3DDeviceManager9_TestDevice(sys->devmng, sys->device);
if (hr == DXVA2_E_NEW_VIDEO_DEVICE) {
if (DxResetVideoDecoder(va))
return VLC_EGENERIC;
} else if (FAILED(hr)) {
msg_Err(va, "IDirect3DDeviceManager9_TestDevice %u", (unsigned)hr);
return VLC_EGENERIC;
}
#endif
return VLC_SUCCESS;
}
static int Get(vlc_va_t *va, picture_t *pic, uint8_t **data)
{
return directx_va_Get(va, &va->sys->dx_sys, pic, data);
}
static void Close(vlc_va_t *va, AVCodecContext *ctx)
{
vlc_va_sys_t *sys = va->sys;
(void) ctx;
if (sys->filter)
{
DeleteFilter( sys->filter );
sys->filter = NULL;
}
directx_va_Close(va, &sys->dx_sys);
#if !defined(NDEBUG) && defined(HAVE_DXGIDEBUG_H)
if (sys->dxgidebug_dll)
FreeLibrary(sys->dxgidebug_dll);
#endif
free((char *)va->description);
free(sys);
}
static int Open(vlc_va_t *va, AVCodecContext *ctx, enum PixelFormat pix_fmt,
const es_format_t *fmt, picture_sys_t *p_sys)
{
int err = VLC_EGENERIC;
directx_sys_t *dx_sys;
if (pix_fmt != AV_PIX_FMT_D3D11VA_VLD)
return VLC_EGENERIC;
vlc_va_sys_t *sys = calloc(1, sizeof (*sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
#if !defined(NDEBUG) && defined(HAVE_DXGIDEBUG_H)
sys->dxgidebug_dll = LoadLibrary(TEXT("DXGIDEBUG.DLL"));
#endif
dx_sys = &sys->dx_sys;
dx_sys->pf_check_device = CheckDevice;
dx_sys->pf_create_device = D3dCreateDevice;
dx_sys->pf_destroy_device = D3dDestroyDevice;
dx_sys->pf_create_device_manager = D3dCreateDeviceManager;
dx_sys->pf_destroy_device_manager = D3dDestroyDeviceManager;
dx_sys->pf_create_video_service = DxCreateVideoService;
dx_sys->pf_destroy_video_service = DxDestroyVideoService;
dx_sys->pf_create_decoder_surfaces = DxCreateDecoderSurfaces;
dx_sys->pf_destroy_surfaces = DxDestroySurfaces;
dx_sys->pf_setup_avcodec_ctx = SetupAVCodecContext;
dx_sys->pf_get_input_list = DxGetInputList;
dx_sys->pf_setup_output = DxSetupOutput;
dx_sys->pf_alloc_surface_pic = DxAllocPicture;
dx_sys->psz_decoder_dll = TEXT("D3D11.DLL");
va->sys = sys;
dx_sys->d3ddev = NULL;
va->sys->render = DXGI_FORMAT_UNKNOWN;
if ( p_sys != NULL && p_sys->context != NULL ) {
ID3D11VideoContext *d3dvidctx = NULL;
HRESULT hr = ID3D11DeviceContext_QueryInterface(p_sys->context, &IID_ID3D11VideoContext, (void **)&d3dvidctx);
if (FAILED(hr)) {
msg_Err(va, "Could not Query ID3D11VideoDevice Interface from the picture. (hr=0x%lX)", hr);
} else {
ID3D11DeviceContext_GetDevice( p_sys->context, (ID3D11Device**) &dx_sys->d3ddev );
sys->d3dctx = p_sys->context;
sys->d3dvidctx = d3dvidctx;
assert(p_sys->texture != NULL);
D3D11_TEXTURE2D_DESC dstDesc;
ID3D11Texture2D_GetDesc( (ID3D11Texture2D*) p_sys->texture, &dstDesc);
sys->render = dstDesc.Format;
}
}
err = directx_va_Open(va, &sys->dx_sys, ctx, fmt, dx_sys->d3ddev==NULL || va->sys->d3dctx==NULL);
if (err!=VLC_SUCCESS)
goto error;
if (p_sys == NULL)
{
sys->filter = CreateFilter( VLC_OBJECT(va), fmt, VLC_CODEC_YV12);
if (sys->filter == NULL)
goto error;
}
/* TODO print the hardware name/vendor for debugging purposes */
va->description = DxDescribe(dx_sys);
va->setup = Setup;
va->get = Get;
va->release = directx_va_Release;
va->extract = Extract;
return VLC_SUCCESS;
error:
Close(va, ctx);
return err;
}
/**
* It creates a Direct3D device usable for decoding
*/
static int D3dCreateDevice(vlc_va_t *va)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
HRESULT hr;
if (dx_sys->d3ddev && va->sys->d3dctx) {
msg_Dbg(va, "Reusing Direct3D11 device");
ID3D11DeviceContext_AddRef(va->sys->d3dctx);
ID3D11Device_AddRef(dx_sys->d3ddev);
return VLC_SUCCESS;
}
/* */
PFN_D3D11_CREATE_DEVICE pf_CreateDevice;
pf_CreateDevice = (void *)GetProcAddress(dx_sys->hdecoder_dll, "D3D11CreateDevice");
if (!pf_CreateDevice) {
msg_Err(va, "Cannot locate reference to D3D11CreateDevice ABI in DLL");
return VLC_EGENERIC;
}
UINT creationFlags = D3D11_CREATE_DEVICE_VIDEO_SUPPORT;
#if !defined(NDEBUG) //&& defined(_MSC_VER)
creationFlags |= D3D11_CREATE_DEVICE_DEBUG;
#endif
/* */
ID3D11Device *d3ddev;
ID3D11DeviceContext *d3dctx;
hr = pf_CreateDevice(NULL, D3D_DRIVER_TYPE_HARDWARE, NULL,
creationFlags, NULL, 0,
D3D11_SDK_VERSION, &d3ddev, NULL, &d3dctx);
if (FAILED(hr)) {
msg_Err(va, "D3D11CreateDevice failed. (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
dx_sys->d3ddev = (IUnknown*) d3ddev;
va->sys->d3dctx = d3dctx;
ID3D11VideoContext *d3dvidctx = NULL;
hr = ID3D11DeviceContext_QueryInterface(d3dctx, &IID_ID3D11VideoContext, (void **)&d3dvidctx);
if (FAILED(hr)) {
msg_Err(va, "Could not Query ID3D11VideoDevice Interface. (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
va->sys->d3dvidctx = d3dvidctx;
#if !defined(NDEBUG) && defined(HAVE_DXGIDEBUG_H)
HRESULT (WINAPI * pf_DXGIGetDebugInterface)(const GUID *riid, void **ppDebug);
if (va->sys->dxgidebug_dll) {
pf_DXGIGetDebugInterface = (void *)GetProcAddress(va->sys->dxgidebug_dll, "DXGIGetDebugInterface");
if (pf_DXGIGetDebugInterface) {
IDXGIDebug *pDXGIDebug = NULL;
hr = pf_DXGIGetDebugInterface(&IID_IDXGIDebug, (void**)&pDXGIDebug);
if (SUCCEEDED(hr) && pDXGIDebug) {
hr = IDXGIDebug_ReportLiveObjects(pDXGIDebug, DXGI_DEBUG_ALL, DXGI_DEBUG_RLO_ALL);
}
}
}
#endif
return VLC_SUCCESS;
}
/**
* It releases a Direct3D device and its resources.
*/
static void D3dDestroyDevice(vlc_va_t *va)
{
if (va->sys->d3dvidctx)
ID3D11VideoContext_Release(va->sys->d3dvidctx);
if (va->sys->d3dctx)
ID3D11DeviceContext_Release(va->sys->d3dctx);
}
/**
* It describes our Direct3D object
*/
static char *DxDescribe(directx_sys_t *dx_sys)
{
static const struct {
unsigned id;
char name[32];
} vendors [] = {
{ 0x1002, "ATI" },
{ 0x10DE, "NVIDIA" },
{ 0x1106, "VIA" },
{ 0x8086, "Intel" },
{ 0x5333, "S3 Graphics" },
{ 0, "" }
};
IDXGIDevice *pDXGIDevice = NULL;
HRESULT hr = ID3D11Device_QueryInterface( (ID3D11Device*) dx_sys->d3ddev, &IID_IDXGIDevice, (void **)&pDXGIDevice);
if (FAILED(hr)) {
return NULL;
}
IDXGIAdapter *p_adapter;
hr = IDXGIDevice_GetAdapter(pDXGIDevice, &p_adapter);
if (FAILED(hr)) {
IDXGIDevice_Release(pDXGIDevice);
return NULL;
}
DXGI_ADAPTER_DESC adapterDesc;
if (SUCCEEDED(IDXGIAdapter_GetDesc(p_adapter, &adapterDesc))) {
const char *vendor = "Unknown";
for (int i = 0; vendors[i].id != 0; i++) {
if (vendors[i].id == adapterDesc.VendorId) {
vendor = vendors[i].name;
break;
}
}
char *description;
if (asprintf(&description, "D3D11VA (%s, vendor %u(%s), device %u, revision %u)",
FromWide(adapterDesc.Description),
adapterDesc.VendorId, vendor, adapterDesc.DeviceId, adapterDesc.Revision) < 0)
return NULL;
IDXGIAdapter_Release(p_adapter);
IDXGIDevice_Release(pDXGIDevice);
return description;
}
IDXGIAdapter_Release(p_adapter);
IDXGIDevice_Release(pDXGIDevice);
return NULL;
}
/**
* It creates a Direct3D device manager
*/
static int D3dCreateDeviceManager(vlc_va_t *va)
{
VLC_UNUSED(va);
#if 0
vlc_va_sys_t *sys = va->sys;
HRESULT (WINAPI *CreateDeviceManager9)(UINT *pResetToken,
IDirect3DDeviceManager9 **);
CreateDeviceManager9 =
(void *)GetProcAddress(sys->hdxva2_dll,
"DXVA2CreateDirect3DDeviceManager9");
if (!CreateDeviceManager9) {
msg_Err(va, "cannot load function");
return VLC_EGENERIC;
}
msg_Dbg(va, "OurDirect3DCreateDeviceManager9 Success!");
UINT token;
IDirect3DDeviceManager9 *devmng;
if (FAILED(CreateDeviceManager9(&token, &devmng))) {
msg_Err(va, " OurDirect3DCreateDeviceManager9 failed");
return VLC_EGENERIC;
}
sys->token = token;
sys->devmng = devmng;
msg_Info(va, "obtained IDirect3DDeviceManager9");
HRESULT hr = IDirect3DDeviceManager9_ResetDevice(devmng, (ID3D11Device*) dx_sys->d3ddev, token);
if (FAILED(hr)) {
msg_Err(va, "IDirect3DDeviceManager9_ResetDevice failed: %08x", (unsigned)hr);
return VLC_EGENERIC;
}
#endif
return VLC_SUCCESS;
}
/**
* It destroys a Direct3D device manager
*/
static void D3dDestroyDeviceManager(vlc_va_t *va)
{
VLC_UNUSED(va);
#if 0
if (va->devmng)
IDirect3DDeviceManager9_Release(va->devmng);
#endif
}
/**
* It creates a DirectX video service
*/
static int DxCreateVideoService(vlc_va_t *va)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
ID3D11VideoDevice *d3dviddev = NULL;
HRESULT hr = ID3D11Device_QueryInterface( (ID3D11Device*) dx_sys->d3ddev, &IID_ID3D11VideoDevice, (void **)&d3dviddev);
if (FAILED(hr)) {
msg_Err(va, "Could not Query ID3D11VideoDevice Interface. (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
dx_sys->d3ddec = (IUnknown*) d3dviddev;
return VLC_SUCCESS;
}
/**
* It destroys a DirectX video service
*/
static void DxDestroyVideoService(vlc_va_t *va)
{
VLC_UNUSED(va);
}
static void ReleaseInputList(input_list_t *p_list)
{
free(p_list->list);
}
static int DxGetInputList(vlc_va_t *va, input_list_t *p_list)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
HRESULT hr;
UINT input_count = ID3D11VideoDevice_GetVideoDecoderProfileCount((ID3D11VideoDevice*) dx_sys->d3ddec);
p_list->count = input_count;
p_list->list = calloc(input_count, sizeof(*p_list->list));
if (unlikely(p_list->list == NULL)) {
return VLC_ENOMEM;
}
p_list->pf_release = ReleaseInputList;
for (unsigned i = 0; i < input_count; i++) {
hr = ID3D11VideoDevice_GetVideoDecoderProfile((ID3D11VideoDevice*) dx_sys->d3ddec, i, &p_list->list[i]);
if (FAILED(hr))
{
msg_Err(va, "GetVideoDecoderProfile %d failed. (hr=0x%lX)", i, hr);
ReleaseInputList(p_list);
return VLC_EGENERIC;
}
}
return VLC_SUCCESS;
}
static int DxSetupOutput(vlc_va_t *va, const GUID *input)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
HRESULT hr;
#ifndef NDEBUG
BOOL bSupported = false;
for (int format = 0; format < 188; format++) {
hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice*) dx_sys->d3ddec, input, format, &bSupported);
if (SUCCEEDED(hr) && bSupported)
msg_Dbg(va, "format %s is supported for output", DxgiFormatToStr(format));
}
#endif
DXGI_FORMAT processorInput[4];
int idx = 0;
if ( va->sys->render != DXGI_FORMAT_UNKNOWN )
processorInput[idx++] = va->sys->render;
processorInput[idx++] = DXGI_FORMAT_NV12;
processorInput[idx++] = DXGI_FORMAT_UNKNOWN;
/* */
for (idx = 0; processorInput[idx] != DXGI_FORMAT_UNKNOWN; ++idx)
{
BOOL is_supported = false;
hr = ID3D11VideoDevice_CheckVideoDecoderFormat((ID3D11VideoDevice*) dx_sys->d3ddec, input, processorInput[idx], &is_supported);
if (SUCCEEDED(hr) && is_supported)
msg_Dbg(va, "%s is supported for output", DxgiFormatToStr(processorInput[idx]));
else
{
msg_Dbg(va, "Can't get a decoder for output format %s.", DxgiFormatToStr(processorInput[idx]));
continue;
}
// check if we can create render texture of that format
// check the decoder can output to that format
const UINT i_quadSupportFlags = D3D11_FORMAT_SUPPORT_TEXTURE2D | D3D11_FORMAT_SUPPORT_SHADER_LOAD;
UINT i_formatSupport;
bool b_needsProcessor = true;
if( SUCCEEDED( ID3D11Device_CheckFormatSupport((ID3D11Device*) dx_sys->d3ddev,
processorInput[idx],
&i_formatSupport)) &&
( i_formatSupport & i_quadSupportFlags ) == i_quadSupportFlags )
b_needsProcessor = false;
if ( !b_needsProcessor )
{
va->sys->render = processorInput[idx];
return VLC_SUCCESS;
}
}
msg_Dbg(va, "Output format from picture source not supported.");
return VLC_EGENERIC;
}
/**
* It creates a Direct3D11 decoder using the given video format
*/
static int DxCreateDecoderSurfaces(vlc_va_t *va, int codec_id, const video_format_t *fmt, bool b_threading)
{
vlc_va_sys_t *sys = va->sys;
directx_sys_t *dx_sys = &va->sys->dx_sys;
HRESULT hr;
ID3D10Multithread *pMultithread;
hr = ID3D11Device_QueryInterface( (ID3D11Device*) dx_sys->d3ddev, &IID_ID3D10Multithread, (void **)&pMultithread);
if (SUCCEEDED(hr)) {
ID3D10Multithread_SetMultithreadProtected(pMultithread, b_threading && dx_sys->thread_count > 1);
ID3D10Multithread_Release(pMultithread);
}
D3D11_TEXTURE2D_DESC texDesc;
ZeroMemory(&texDesc, sizeof(texDesc));
texDesc.Width = dx_sys->surface_width;
texDesc.Height = dx_sys->surface_height;
texDesc.MipLevels = 1;
texDesc.Format = sys->render;
texDesc.SampleDesc.Count = 1;
texDesc.MiscFlags = 0;
texDesc.ArraySize = dx_sys->surface_count;
texDesc.Usage = D3D11_USAGE_DEFAULT;
texDesc.BindFlags = D3D11_BIND_DECODER;
texDesc.CPUAccessFlags = 0;
ID3D11Texture2D *p_texture;
hr = ID3D11Device_CreateTexture2D( (ID3D11Device*) dx_sys->d3ddev, &texDesc, NULL, &p_texture );
if (FAILED(hr)) {
msg_Err(va, "CreateTexture2D %d failed. (hr=0x%0lx)", dx_sys->surface_count, hr);
return VLC_EGENERIC;
}
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
ZeroMemory(&viewDesc, sizeof(viewDesc));
viewDesc.DecodeProfile = dx_sys->input;
viewDesc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D;
int surface_count = dx_sys->surface_count;
for (dx_sys->surface_count = 0; dx_sys->surface_count < surface_count; dx_sys->surface_count++) {
viewDesc.Texture2D.ArraySlice = dx_sys->surface_count;
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView( (ID3D11VideoDevice*) dx_sys->d3ddec,
(ID3D11Resource*) p_texture,
&viewDesc,
(ID3D11VideoDecoderOutputView**) &dx_sys->hw_surface[dx_sys->surface_count] );
if (FAILED(hr)) {
msg_Err(va, "CreateVideoDecoderOutputView %d failed. (hr=0x%0lx)", dx_sys->surface_count, hr);
ID3D11Texture2D_Release(p_texture);
return VLC_EGENERIC;
}
}
msg_Dbg(va, "ID3D11VideoDecoderOutputView succeed with %d surfaces (%dx%d)",
dx_sys->surface_count, dx_sys->surface_width, dx_sys->surface_height);
D3D11_VIDEO_DECODER_DESC decoderDesc;
ZeroMemory(&decoderDesc, sizeof(decoderDesc));
decoderDesc.Guid = dx_sys->input;
decoderDesc.SampleWidth = fmt->i_width;
decoderDesc.SampleHeight = fmt->i_height;
decoderDesc.OutputFormat = sys->render;
UINT cfg_count;
hr = ID3D11VideoDevice_GetVideoDecoderConfigCount( (ID3D11VideoDevice*) dx_sys->d3ddec, &decoderDesc, &cfg_count );
if (FAILED(hr)) {
msg_Err(va, "GetVideoDecoderConfigCount failed. (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
/* List all configurations available for the decoder */
D3D11_VIDEO_DECODER_CONFIG cfg_list[cfg_count];
for (unsigned i = 0; i < cfg_count; i++) {
hr = ID3D11VideoDevice_GetVideoDecoderConfig( (ID3D11VideoDevice*) dx_sys->d3ddec, &decoderDesc, i, &cfg_list[i] );
if (FAILED(hr)) {
msg_Err(va, "GetVideoDecoderConfig failed. (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
}
msg_Dbg(va, "we got %d decoder configurations", cfg_count);
/* Select the best decoder configuration */
int cfg_score = 0;
for (unsigned i = 0; i < cfg_count; i++) {
const D3D11_VIDEO_DECODER_CONFIG *cfg = &cfg_list[i];
/* */
msg_Dbg(va, "configuration[%d] ConfigBitstreamRaw %d",
i, cfg->ConfigBitstreamRaw);
/* */
int score;
if (cfg->ConfigBitstreamRaw == 1)
score = 1;
else if (codec_id == AV_CODEC_ID_H264 && cfg->ConfigBitstreamRaw == 2)
score = 2;
else
continue;
if (IsEqualGUID(&cfg->guidConfigBitstreamEncryption, &DXVA_NoEncrypt))
score += 16;
if (cfg_score < score) {
sys->cfg = *cfg;
cfg_score = score;
}
}
if (cfg_score <= 0) {
msg_Err(va, "Failed to find a supported decoder configuration");
return VLC_EGENERIC;
}
/* Create the decoder */
ID3D11VideoDecoder *decoder;
hr = ID3D11VideoDevice_CreateVideoDecoder( (ID3D11VideoDevice*) dx_sys->d3ddec, &decoderDesc, &sys->cfg, &decoder );
if (FAILED(hr)) {
msg_Err(va, "ID3D11VideoDevice_CreateVideoDecoder failed. (hr=0x%lX)", hr);
dx_sys->decoder = NULL;
return VLC_EGENERIC;
}
dx_sys->decoder = (IUnknown*) decoder;
msg_Dbg(va, "DxCreateDecoderSurfaces succeed");
return VLC_SUCCESS;
}
static void DxDestroySurfaces(vlc_va_t *va)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
if (dx_sys->surface_count) {
ID3D11Resource *p_texture;
ID3D11VideoDecoderOutputView_GetResource( (ID3D11VideoDecoderOutputView*) dx_sys->hw_surface[0], &p_texture );
ID3D11Resource_Release(p_texture);
ID3D11Resource_Release(p_texture);
}
}
static void DestroyPicture(picture_t *picture)
{
picture_sys_t *p_sys = picture->p_sys;
ID3D11Texture2D_Release( p_sys->texture );
free(p_sys);
free(picture);
}
static picture_t *DxAllocPicture(vlc_va_t *va, const video_format_t *fmt, unsigned index)
{
video_format_t src_fmt = *fmt;
src_fmt.i_chroma = VLC_CODEC_D3D11_OPAQUE;
picture_sys_t *pic_sys = calloc(1, sizeof(*pic_sys));
if (unlikely(pic_sys == NULL))
return NULL;
pic_sys->decoder = (ID3D11VideoDecoderOutputView*) va->sys->dx_sys.hw_surface[index];
ID3D11VideoDecoderOutputView_GetResource(pic_sys->decoder, (ID3D11Resource**) &pic_sys->texture);
pic_sys->context = va->sys->d3dctx;
picture_resource_t res = {
.p_sys = pic_sys,
.pf_destroy = DestroyPicture,
};
picture_t *pic = picture_NewFromResource(&src_fmt, &res);
if (unlikely(pic == NULL))
{
free(pic_sys);
return NULL;
}
return pic;
}