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vlc/modules/codec/avcodec/d3d11va.c

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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
# undef WINAPI_FAMILY
# define WINAPI_FAMILY WINAPI_FAMILY_DESKTOP_APP
#include <assert.h>
#include <vlc_common.h>
#include <vlc_picture.h>
#include <vlc_plugin.h>
#include <vlc_charset.h>
#include <vlc_codec.h>
#define COBJMACROS
#include <initguid.h>
#include <d3d11.h>
#include <libavcodec/d3d11va.h>
#include "../../video_chroma/d3d11_fmt.h"
#define D3D_DecoderType ID3D11VideoDecoder
#define D3D_DecoderDevice ID3D11VideoDevice
#define D3D_DecoderSurface ID3D11VideoDecoderOutputView
#include "directx_va.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 *, void **);
vlc_module_begin()
set_description(N_("Direct3D11 Video Acceleration"))
set_capability("hw decoder", 110)
set_category(CAT_INPUT)
set_subcategory(SUBCAT_INPUT_VCODEC)
set_callbacks(Open, Close)
vlc_module_end()
/*
* In this mode libavcodec doesn't need the whole array on texture on startup
* So we get the surfaces from the decoder pool when needed. We don't need to
* extract the decoded surface into the decoder picture anymore.
*/
#define D3D11_DIRECT_DECODE LIBAVCODEC_VERSION_CHECK( 57, 30, 3, 72, 101 )
#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__ */
DEFINE_GUID(DXVA_Intel_H264_NoFGT_ClearVideo, 0x604F8E68, 0x4951, 0x4c54, 0x88, 0xFE, 0xAB, 0xD2, 0x5C, 0x15, 0xB3, 0xD6);
DEFINE_GUID(DXVA2_NoEncrypt, 0x1b81bed0, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
struct vlc_va_sys_t
{
directx_sys_t dx_sys;
UINT totalTextureSlices;
unsigned textureWidth;
unsigned textureHeight;
d3d11_handle_t hd3d;
d3d11_device_t d3d_dev;
/* Video service */
ID3D11VideoContext *d3dvidctx;
DXGI_FORMAT render;
/* pool */
picture_t *extern_pics[MAX_SURFACE_COUNT];
/* Video decoder */
D3D11_VIDEO_DECODER_CONFIG cfg;
/* avcodec internals */
struct AVD3D11VAContext hw;
ID3D11ShaderResourceView *renderSrc[MAX_SURFACE_COUNT * D3D11_MAX_SHADER_VIEW];
};
/* */
static int D3dCreateDevice(vlc_va_t *);
static void D3dDestroyDevice(vlc_va_t *);
static char *DxDescribe(vlc_va_sys_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 *, const video_format_t *);
static int DxCreateDecoderSurfaces(vlc_va_t *, int codec_id,
const video_format_t *fmt, unsigned surface_count);
static void DxDestroySurfaces(vlc_va_t *);
static void SetupAVCodecContext(vlc_va_t *);
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 = dx_sys->decoder;
sys->hw.cfg = &sys->cfg;
sys->hw.surface_count = dx_sys->va_pool.surface_count;
sys->hw.surface = dx_sys->hw_surface;
sys->hw.context_mutex = sys->d3d_dev.context_mutex;
if (IsEqualGUID(&dx_sys->input, &DXVA_Intel_H264_NoFGT_ClearVideo))
sys->hw.workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
}
static void d3d11_pic_context_destroy(struct picture_context_t *opaque)
{
struct va_pic_context *pic_ctx = (struct va_pic_context*)opaque;
if (pic_ctx->va_surface)
va_surface_Release(pic_ctx->va_surface);
ReleasePictureSys(&pic_ctx->picsys);
free(pic_ctx);
}
static struct va_pic_context *CreatePicContext(ID3D11VideoDecoderOutputView *,
ID3D11Resource *,
ID3D11DeviceContext *,
UINT slice,
ID3D11ShaderResourceView *resourceView[D3D11_MAX_SHADER_VIEW]);
static struct picture_context_t *d3d11_pic_context_copy(struct picture_context_t *ctx)
{
struct va_pic_context *src_ctx = (struct va_pic_context*)ctx;
struct va_pic_context *pic_ctx = CreatePicContext(src_ctx->picsys.decoder,
src_ctx->picsys.resource[0], src_ctx->picsys.context,
src_ctx->picsys.slice_index, src_ctx->picsys.renderSrc);
if (unlikely(pic_ctx==NULL))
return NULL;
if (src_ctx->va_surface) {
pic_ctx->va_surface = src_ctx->va_surface;
va_surface_AddRef(pic_ctx->va_surface);
}
return &pic_ctx->s;
}
static struct va_pic_context *CreatePicContext(
ID3D11VideoDecoderOutputView *decoderSurface,
ID3D11Resource *p_resource,
ID3D11DeviceContext *context,
UINT slice,
ID3D11ShaderResourceView *renderSrc[D3D11_MAX_SHADER_VIEW])
{
struct va_pic_context *pic_ctx = calloc(1, sizeof(*pic_ctx));
if (unlikely(pic_ctx==NULL))
goto done;
pic_ctx->s.destroy = d3d11_pic_context_destroy;
pic_ctx->s.copy = d3d11_pic_context_copy;
D3D11_TEXTURE2D_DESC txDesc;
ID3D11Texture2D_GetDesc((ID3D11Texture2D*)p_resource, &txDesc);
pic_ctx->picsys.formatTexture = txDesc.Format;
pic_ctx->picsys.context = context;
pic_ctx->picsys.slice_index = slice;
pic_ctx->picsys.decoder = decoderSurface;
for (int i=0;i<D3D11_MAX_SHADER_VIEW; i++)
{
pic_ctx->picsys.resource[i] = p_resource;
pic_ctx->picsys.renderSrc[i] = renderSrc[i];
}
AcquirePictureSys(&pic_ctx->picsys);
pic_ctx->picsys.context = context;
done:
return pic_ctx;
}
static struct va_pic_context* NewSurfacePicContext(vlc_va_t *va, int surface_index)
{
vlc_va_sys_t *sys = va->sys;
directx_sys_t *dx_sys = &sys->dx_sys;
ID3D11VideoDecoderOutputView *surface = dx_sys->hw_surface[surface_index];
ID3D11ShaderResourceView *resourceView[D3D11_MAX_SHADER_VIEW];
ID3D11Resource *p_resource;
ID3D11VideoDecoderOutputView_GetResource(surface, &p_resource);
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
ID3D11VideoDecoderOutputView_GetDesc(surface, &viewDesc);
for (int i=0; i<D3D11_MAX_SHADER_VIEW; i++)
resourceView[i] = sys->renderSrc[viewDesc.Texture2D.ArraySlice*D3D11_MAX_SHADER_VIEW + i];
struct va_pic_context *pic_ctx = CreatePicContext(
surface,
p_resource,
sys->d3d_dev.d3dcontext,
viewDesc.Texture2D.ArraySlice,
resourceView);
ID3D11Resource_Release(p_resource);
if (unlikely(pic_ctx==NULL))
return NULL;
/* all the resources are acquired during surfaces init, and a second time in
* CreatePicContext(), undo one of them otherwise we need an extra release
* when the pool is emptied */
ReleasePictureSys(&pic_ctx->picsys);
return pic_ctx;
}
static int Get(vlc_va_t *va, picture_t *pic, uint8_t **data)
{
picture_sys_t *p_sys = pic->p_sys;
#if D3D11_DIRECT_DECODE
if (va->sys->dx_sys.can_extern_pool)
{
/* copy the original picture_sys_t in the va_pic_context */
if (!pic->context)
{
assert(p_sys!=NULL);
if (!p_sys->decoder)
{
HRESULT hr;
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
ZeroMemory(&viewDesc, sizeof(viewDesc));
viewDesc.DecodeProfile = va->sys->dx_sys.input;
viewDesc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D;
viewDesc.Texture2D.ArraySlice = p_sys->slice_index;
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView( va->sys->dx_sys.d3ddec,
p_sys->resource[KNOWN_DXGI_INDEX],
&viewDesc,
&p_sys->decoder );
if (FAILED(hr))
return VLC_EGENERIC;
}
pic->context = (picture_context_t*)CreatePicContext(
p_sys->decoder,
p_sys->resource[KNOWN_DXGI_INDEX],
va->sys->d3d_dev.d3dcontext,
p_sys->slice_index,
p_sys->renderSrc );
if (pic->context == NULL)
return VLC_EGENERIC;
}
}
else
#endif
{
int res = va_pool_Get(&va->sys->dx_sys.va_pool, pic);
if (unlikely(res != VLC_SUCCESS))
return res;
}
*data = (uint8_t*)((struct va_pic_context *)pic->context)->picsys.decoder;
return VLC_SUCCESS;
}
static void Close(vlc_va_t *va, void **ctx)
{
vlc_va_sys_t *sys = va->sys;
(void) ctx;
directx_va_Close(va, &sys->dx_sys);
D3D11_Destroy( &sys->hd3d );
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;
ctx->hwaccel_context = NULL;
if (pix_fmt != AV_PIX_FMT_D3D11VA_VLD)
return VLC_EGENERIC;
#if !VLC_WINSTORE_APP
/* Allow using D3D11VA automatically starting from Windows 8.1 */
if (!va->obj.force)
{
bool isWin81OrGreater = false;
HMODULE hKernel32 = GetModuleHandle(TEXT("kernel32.dll"));
if (likely(hKernel32 != NULL))
isWin81OrGreater = GetProcAddress(hKernel32, "IsProcessCritical") != NULL;
if (!isWin81OrGreater)
return VLC_EGENERIC;
}
#endif
vlc_va_sys_t *sys = calloc(1, sizeof (*sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
err = D3D11_Create( va, &sys->hd3d, false );
if (err != VLC_SUCCESS)
goto error;
dx_sys = &sys->dx_sys;
dx_sys->va_pool.pf_create_device = D3dCreateDevice;
dx_sys->va_pool.pf_destroy_device = D3dDestroyDevice;
dx_sys->va_pool.pf_create_video_service = DxCreateVideoService;
dx_sys->va_pool.pf_destroy_video_service = DxDestroyVideoService;
dx_sys->va_pool.pf_create_decoder_surfaces = DxCreateDecoderSurfaces;
dx_sys->va_pool.pf_destroy_surfaces = DxDestroySurfaces;
dx_sys->va_pool.pf_setup_avcodec_ctx = SetupAVCodecContext;
dx_sys->va_pool.pf_new_surface_context = NewSurfacePicContext;
dx_sys->pf_get_input_list = DxGetInputList;
dx_sys->pf_setup_output = DxSetupOutput;
va->sys = sys;
sys->d3d_dev.d3ddevice = NULL;
va->sys->render = DXGI_FORMAT_UNKNOWN;
if ( p_sys != NULL && p_sys->context != NULL ) {
HRESULT hr = D3D11_CreateDeviceExternal(va, p_sys->context, true, &sys->d3d_dev);
if (FAILED(hr))
msg_Err(va, "can't use the provided D3D11 context");
else
{
if (sys->d3d_dev.context_mutex == INVALID_HANDLE_VALUE)
msg_Warn(va, "No mutex found to lock the decoder");
void *d3dvidctx = NULL;
hr = ID3D11DeviceContext_QueryInterface(p_sys->context, &IID_ID3D11VideoContext, &d3dvidctx);
if (FAILED(hr)) {
msg_Err(va, "Could not Query ID3D11VideoContext Interface from the picture. (hr=0x%lX)", hr);
D3D11_ReleaseDevice(&sys->d3d_dev);
} else {
sys->d3dvidctx = d3dvidctx;
assert(p_sys->texture[KNOWN_DXGI_INDEX] != NULL);
D3D11_TEXTURE2D_DESC dstDesc;
ID3D11Texture2D_GetDesc( p_sys->texture[KNOWN_DXGI_INDEX], &dstDesc);
sys->render = dstDesc.Format;
if (dstDesc.BindFlags & D3D11_BIND_DECODER)
{
va->sys->textureWidth = dstDesc.Width;
va->sys->textureHeight = dstDesc.Height;
va->sys->totalTextureSlices = dstDesc.ArraySize;
}
}
}
}
err = directx_va_Open(va, &sys->dx_sys);
if (err!=VLC_SUCCESS)
goto error;
err = directx_va_Setup(va, &sys->dx_sys, ctx, fmt, isXboxHardware(sys->d3d_dev.d3ddevice));
if (err != VLC_SUCCESS)
goto error;
/* TODO print the hardware name/vendor for debugging purposes */
char *desc = DxDescribe(sys);
if (desc != NULL) {
msg_Info(va, "Using %s", desc);
free(desc);
}
ctx->hwaccel_context = &sys->hw;
va->get = Get;
return VLC_SUCCESS;
error:
Close(va, NULL);
return err;
}
/**
* It creates a Direct3D device usable for decoding
*/
static int D3dCreateDevice(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
HRESULT hr;
if (sys->d3d_dev.d3ddevice && sys->d3d_dev.d3dcontext) {
msg_Dbg(va, "Reusing Direct3D11 device");
ID3D11DeviceContext_AddRef(sys->d3d_dev.d3dcontext);
return VLC_SUCCESS;
}
#if VLC_WINSTORE_APP
if (sys->d3d_dev.d3dcontext == NULL)
sys->d3d_dev.d3dcontext = var_InheritInteger(va, "winrt-d3dcontext"); /* LEGACY */
#endif
if (sys->d3d_dev.d3dcontext != NULL)
{
ID3D11Device* d3ddevice = NULL;
ID3D11DeviceContext_GetDevice(sys->d3d_dev.d3dcontext, &sys->d3d_dev.d3ddevice);
ID3D11DeviceContext_AddRef(sys->d3d_dev.d3dcontext);
ID3D11Device_Release(sys->d3d_dev.d3ddevice);
}
/* */
else
{
hr = D3D11_CreateDevice(va, &sys->hd3d, NULL, true, &sys->d3d_dev);
if (FAILED(hr)) {
msg_Err(va, "D3D11CreateDevice failed. (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
}
void *d3dvidctx = NULL;
hr = ID3D11DeviceContext_QueryInterface(sys->d3d_dev.d3dcontext, &IID_ID3D11VideoContext, &d3dvidctx);
if (FAILED(hr)) {
msg_Err(va, "Could not Query ID3D11VideoContext Interface. (hr=0x%lX)", hr);
ID3D11DeviceContext_Release(sys->d3d_dev.d3dcontext);
ID3D11Device_Release(sys->d3d_dev.d3ddevice);
return VLC_EGENERIC;
}
sys->d3dvidctx = d3dvidctx;
return VLC_SUCCESS;
}
/**
* It releases a Direct3D device and its resources.
*/
static void D3dDestroyDevice(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
if (sys->d3dvidctx)
ID3D11VideoContext_Release(sys->d3dvidctx);
D3D11_ReleaseDevice( &sys->d3d_dev );
}
/**
* It describes our Direct3D object
*/
static char *DxDescribe(vlc_va_sys_t *sys)
{
IDXGIAdapter *p_adapter = D3D11DeviceAdapter(sys->d3d_dev.d3ddevice);
if (!p_adapter) {
return NULL;
}
char *description = NULL;
DXGI_ADAPTER_DESC adapterDesc;
if (SUCCEEDED(IDXGIAdapter_GetDesc(p_adapter, &adapterDesc))) {
char *utfdesc = FromWide(adapterDesc.Description);
if (likely(utfdesc!=NULL))
{
if (asprintf(&description, "D3D11VA (%s, vendor %x(%s), device %x, revision %x)",
utfdesc,
adapterDesc.VendorId, DxgiVendorStr(adapterDesc.VendorId), adapterDesc.DeviceId, adapterDesc.Revision) < 0)
description = NULL;
free(utfdesc);
}
}
IDXGIAdapter_Release(p_adapter);
return description;
}
/**
* It creates a DirectX video service
*/
static int DxCreateVideoService(vlc_va_t *va)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
void *d3dviddev = NULL;
HRESULT hr = ID3D11Device_QueryInterface(va->sys->d3d_dev.d3ddevice, &IID_ID3D11VideoDevice, &d3dviddev);
if (FAILED(hr)) {
msg_Err(va, "Could not Query ID3D11VideoDevice Interface. (hr=0x%lX)", hr);
return VLC_EGENERIC;
}
dx_sys->d3ddec = d3dviddev;
return VLC_SUCCESS;
}
/**
* It destroys a DirectX video service
*/
static void DxDestroyVideoService(vlc_va_t *va)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
if (dx_sys->d3ddec)
ID3D11VideoDevice_Release(dx_sys->d3ddec);
}
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(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(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;
}
extern const GUID DXVA_ModeHEVC_VLD_Main10;
extern const GUID DXVA_ModeVP9_VLD_10bit_Profile2;
static int DxSetupOutput(vlc_va_t *va, const GUID *input, const video_format_t *fmt)
{
vlc_va_sys_t *sys = va->sys;
directx_sys_t *dx_sys = &sys->dx_sys;
HRESULT hr;
#ifndef NDEBUG
BOOL bSupported = false;
for (int format = 0; format < 188; format++) {
hr = ID3D11VideoDevice_CheckVideoDecoderFormat(dx_sys->d3ddec, input, format, &bSupported);
if (SUCCEEDED(hr) && bSupported)
msg_Dbg(va, "format %s is supported for output", DxgiFormatToStr(format));
}
#endif
IDXGIAdapter *pAdapter = D3D11DeviceAdapter(sys->d3d_dev.d3ddevice);
if (!pAdapter)
return VLC_EGENERIC;
DXGI_ADAPTER_DESC adapterDesc;
hr = IDXGIAdapter_GetDesc(pAdapter, &adapterDesc);
IDXGIAdapter_Release(pAdapter);
if (FAILED(hr))
return VLC_EGENERIC;
char *psz_decoder_name = directx_va_GetDecoderName(input);
if (!directx_va_canUseDecoder(va, adapterDesc.VendorId, adapterDesc.DeviceId,
input, sys->d3d_dev.WDDM.build))
{
msg_Warn(va, "GPU blacklisted for %s codec", psz_decoder_name);
free(psz_decoder_name);
return VLC_EGENERIC;
}
DXGI_FORMAT processorInput[5];
int idx = 0;
if ( sys->render != DXGI_FORMAT_UNKNOWN )
processorInput[idx++] = sys->render;
if (IsEqualGUID(input, &DXVA_ModeHEVC_VLD_Main10) || IsEqualGUID(input, &DXVA_ModeVP9_VLD_10bit_Profile2))
processorInput[idx++] = DXGI_FORMAT_P010;
processorInput[idx++] = DXGI_FORMAT_NV12;
processorInput[idx++] = DXGI_FORMAT_420_OPAQUE;
processorInput[idx++] = DXGI_FORMAT_UNKNOWN;
/* */
for (idx = 0; processorInput[idx] != DXGI_FORMAT_UNKNOWN; ++idx)
{
BOOL is_supported = false;
hr = ID3D11VideoDevice_CheckVideoDecoderFormat(dx_sys->d3ddec, input, processorInput[idx], &is_supported);
if (SUCCEEDED(hr) && is_supported)
msg_Dbg(va, "%s output is supported for decoder %s.", DxgiFormatToStr(processorInput[idx]), psz_decoder_name);
else
{
msg_Dbg(va, "Can't get a decoder output format %s for decoder %s.", DxgiFormatToStr(processorInput[idx]), psz_decoder_name);
continue;
}
// check if we can create render texture of that format
// check the decoder can output to that format
if ( !DeviceSupportsFormat(sys->d3d_dev.d3ddevice, processorInput[idx],
D3D11_FORMAT_SUPPORT_SHADER_LOAD) )
{
#ifndef ID3D11VideoContext_VideoProcessorBlt
msg_Dbg(va, "Format %s needs a processor but is not supported",
DxgiFormatToStr(processorInput[idx]));
#else
if ( !DeviceSupportsFormat(sys->d3d_dev.d3ddevice, processorInput[idx],
D3D11_FORMAT_SUPPORT_VIDEO_PROCESSOR_INPUT) )
{
msg_Dbg(va, "Format %s needs a processor but is not available",
DxgiFormatToStr(processorInput[idx]));
continue;
}
#endif
}
D3D11_VIDEO_DECODER_DESC decoderDesc;
ZeroMemory(&decoderDesc, sizeof(decoderDesc));
decoderDesc.Guid = *input;
decoderDesc.SampleWidth = fmt->i_width;
decoderDesc.SampleHeight = fmt->i_height;
decoderDesc.OutputFormat = processorInput[idx];
UINT cfg_count = 0;
hr = ID3D11VideoDevice_GetVideoDecoderConfigCount( dx_sys->d3ddec, &decoderDesc, &cfg_count );
if (FAILED(hr))
{
msg_Err( va, "Failed to get configuration for decoder %s. (hr=0x%lX)", psz_decoder_name, hr );
continue;
}
if (cfg_count == 0) {
msg_Err( va, "No decoder configuration possible for %s %dx%d",
DxgiFormatToStr(decoderDesc.OutputFormat),
decoderDesc.SampleWidth, decoderDesc.SampleHeight );
continue;
}
msg_Dbg(va, "Using output format %s for decoder %s", DxgiFormatToStr(processorInput[idx]), psz_decoder_name);
if ( sys->render == processorInput[idx] && sys->totalTextureSlices > 4)
{
if (CanUseVoutPool(&sys->d3d_dev, sys->totalTextureSlices))
dx_sys->can_extern_pool = true;
else
msg_Warn( va, "use internal pool" );
}
sys->render = processorInput[idx];
free(psz_decoder_name);
return VLC_SUCCESS;
}
free(psz_decoder_name);
msg_Dbg(va, "Output format from picture source not supported.");
return VLC_EGENERIC;
}
static bool CanUseDecoderPadding(vlc_va_sys_t *sys)
{
IDXGIAdapter *pAdapter = D3D11DeviceAdapter(sys->d3d_dev.d3ddevice);
if (!pAdapter)
return false;
DXGI_ADAPTER_DESC adapterDesc;
HRESULT hr = IDXGIAdapter_GetDesc(pAdapter, &adapterDesc);
IDXGIAdapter_Release(pAdapter);
if (FAILED(hr))
return false;
/* Qualcomm hardware has issues with textures and pixels that should not be
* part of the decoded area */
return adapterDesc.VendorId != GPU_MANUFACTURER_QUALCOMM;
}
/**
* 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, unsigned surface_count)
{
vlc_va_sys_t *sys = va->sys;
directx_sys_t *dx_sys = &va->sys->dx_sys;
HRESULT hr;
ID3D10Multithread *pMultithread;
hr = ID3D11Device_QueryInterface( sys->d3d_dev.d3ddevice, &IID_ID3D10Multithread, (void **)&pMultithread);
if (SUCCEEDED(hr)) {
ID3D10Multithread_SetMultithreadProtected(pMultithread, TRUE);
ID3D10Multithread_Release(pMultithread);
}
if (!sys->textureWidth || !sys->textureHeight)
{
sys->textureWidth = fmt->i_width;
sys->textureHeight = fmt->i_height;
}
assert(sys->textureWidth >= fmt->i_width);
assert(sys->textureHeight >= fmt->i_height);
if ((sys->textureWidth != fmt->i_width || sys->textureHeight != fmt->i_height) &&
!CanUseDecoderPadding(sys))
{
msg_Dbg(va, "mismatching external pool sizes use the internal one %dx%d vs %dx%d",
sys->textureWidth, sys->textureHeight, fmt->i_width, fmt->i_height);
dx_sys->can_extern_pool = false;
sys->textureWidth = fmt->i_width;
sys->textureHeight = fmt->i_height;
}
if (sys->totalTextureSlices && sys->totalTextureSlices < surface_count)
{
msg_Warn(va, "not enough decoding slices in the texture (%d/%d)",
sys->totalTextureSlices, surface_count);
dx_sys->can_extern_pool = false;
}
#if VLC_WINSTORE_APP
/* On the Xbox 1/S, any decoding of H264 with one dimension over 2304
* crashes totally the device */
if (codec_id == AV_CODEC_ID_H264 &&
(sys->textureWidth > 2304 || sys->textureHeight > 2304) &&
isXboxHardware(sys->d3d_dev.d3ddevice))
{
msg_Warn(va, "%dx%d resolution not supported by your hardware", fmt->i_width, fmt->i_height);
return VLC_EGENERIC;
}
#endif
D3D11_VIDEO_DECODER_OUTPUT_VIEW_DESC viewDesc;
ZeroMemory(&viewDesc, sizeof(viewDesc));
viewDesc.DecodeProfile = dx_sys->input;
viewDesc.ViewDimension = D3D11_VDOV_DIMENSION_TEXTURE2D;
const d3d_format_t *textureFmt = NULL;
for (const d3d_format_t *output_format = GetRenderFormatList();
output_format->name != NULL; ++output_format)
{
if (output_format->formatTexture == sys->render &&
is_d3d11_opaque(output_format->fourcc))
{
textureFmt = output_format;
break;
}
}
if (unlikely(textureFmt==NULL))
{
msg_Dbg(va, "no hardware decoder matching %s", DxgiFormatToStr(sys->render));
return VLC_EGENERIC;
}
if (dx_sys->can_extern_pool)
{
#if !D3D11_DIRECT_DECODE
size_t surface_idx;
for (surface_idx = 0; surface_idx < surface_count; surface_idx++) {
picture_t *pic = decoder_NewPicture( (decoder_t*) vlc_object_parent(va) );
sys->extern_pics[surface_idx] = pic;
dx_sys->hw_surface[surface_idx] = NULL;
if (pic==NULL)
{
msg_Warn(va, "not enough decoder pictures %d out of %d", surface_idx, surface_count);
dx_sys->can_extern_pool = false;
break;
}
D3D11_TEXTURE2D_DESC texDesc;
picture_sys_t * p_sys = pic->p_sys;
ID3D11Texture2D_GetDesc(p_sys->texture[KNOWN_DXGI_INDEX], &texDesc);
assert(texDesc.Format == sys->render);
assert(texDesc.BindFlags & D3D11_BIND_DECODER);
#if !LIBAVCODEC_VERSION_CHECK( 57, 27, 2, 61, 102 )
if (p_sys->slice_index != surface_idx)
{
msg_Warn(va, "d3d11va requires decoding slices to be the first in the texture (%d/%d)",
p_sys->slice_index, surface_idx);
dx_sys->can_extern_pool = false;
break;
}
#endif
viewDesc.Texture2D.ArraySlice = p_sys->slice_index;
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView( dx_sys->d3ddec,
p_sys->resource[KNOWN_DXGI_INDEX],
&viewDesc,
&p_sys->decoder );
if (FAILED(hr)) {
msg_Warn(va, "CreateVideoDecoderOutputView %d failed. (hr=0x%0lx)", surface_idx, hr);
dx_sys->can_extern_pool = false;
break;
}
D3D11_AllocateResourceView(va, sys->d3d_dev.d3ddevice, textureFmt, pic->p_sys->texture, pic->p_sys->slice_index, pic->p_sys->renderSrc);
dx_sys->hw_surface[surface_idx] = p_sys->decoder;
}
if (!dx_sys->can_extern_pool)
{
for (size_t i = 0; i < surface_idx; ++i)
{
if (dx_sys->hw_surface[i])
{
ID3D11VideoDecoderOutputView_Release(dx_sys->hw_surface[i]);
dx_sys->hw_surface[i] = NULL;
}
if (sys->extern_pics[i])
{
picture_sys_t *p_sys = sys->extern_pics[i]->p_sys;
p_sys->decoder = NULL;
picture_Release(sys->extern_pics[i]);
sys->extern_pics[i] = NULL;
}
}
}
else
#endif
msg_Dbg(va, "using external surface pool");
}
if (!dx_sys->can_extern_pool)
{
D3D11_TEXTURE2D_DESC texDesc;
ZeroMemory(&texDesc, sizeof(texDesc));
texDesc.Width = sys->textureWidth;
texDesc.Height = sys->textureHeight;
texDesc.MipLevels = 1;
texDesc.Format = sys->render;
texDesc.SampleDesc.Count = 1;
texDesc.MiscFlags = 0;
texDesc.ArraySize = surface_count;
texDesc.Usage = D3D11_USAGE_DEFAULT;
texDesc.BindFlags = D3D11_BIND_DECODER;
texDesc.CPUAccessFlags = 0;
if (DeviceSupportsFormat(sys->d3d_dev.d3ddevice, texDesc.Format, D3D11_FORMAT_SUPPORT_SHADER_LOAD))
texDesc.BindFlags |= D3D11_BIND_SHADER_RESOURCE;
ID3D11Texture2D *p_texture;
hr = ID3D11Device_CreateTexture2D( sys->d3d_dev.d3ddevice, &texDesc, NULL, &p_texture );
if (FAILED(hr)) {
msg_Err(va, "CreateTexture2D %d failed. (hr=0x%0lx)", surface_count, hr);
return VLC_EGENERIC;
}
unsigned surface_idx;
for (surface_idx = 0; surface_idx < surface_count; surface_idx++) {
sys->extern_pics[surface_idx] = NULL;
viewDesc.Texture2D.ArraySlice = surface_idx;
hr = ID3D11VideoDevice_CreateVideoDecoderOutputView( dx_sys->d3ddec,
(ID3D11Resource*) p_texture,
&viewDesc,
&dx_sys->hw_surface[surface_idx] );
if (FAILED(hr)) {
msg_Err(va, "CreateVideoDecoderOutputView %d failed. (hr=0x%0lx)", surface_idx, hr);
ID3D11Texture2D_Release(p_texture);
return VLC_EGENERIC;
}
if (texDesc.BindFlags & D3D11_BIND_SHADER_RESOURCE)
{
ID3D11Texture2D *textures[D3D11_MAX_SHADER_VIEW] = {p_texture, p_texture, p_texture};
D3D11_AllocateResourceView(va, sys->d3d_dev.d3ddevice, textureFmt, textures, surface_idx,
&sys->renderSrc[surface_idx * D3D11_MAX_SHADER_VIEW]);
}
}
}
msg_Dbg(va, "ID3D11VideoDecoderOutputView succeed with %d surfaces (%dx%d)",
surface_count, fmt->i_width, fmt->i_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( 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( 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, &DXVA2_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( 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 = 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->va_pool.surface_count && !dx_sys->can_extern_pool) {
ID3D11Resource *p_texture;
ID3D11VideoDecoderOutputView_GetResource( dx_sys->hw_surface[0], &p_texture );
ID3D11Resource_Release(p_texture);
ID3D11Resource_Release(p_texture);
}
for (unsigned i = 0; i < dx_sys->va_pool.surface_count; i++)
{
ID3D11VideoDecoderOutputView_Release( dx_sys->hw_surface[i] );
for (int j = 0; j < D3D11_MAX_SHADER_VIEW; j++)
{
if (va->sys->renderSrc[i*D3D11_MAX_SHADER_VIEW + j])
ID3D11ShaderResourceView_Release(va->sys->renderSrc[i*D3D11_MAX_SHADER_VIEW + j]);
}
}
if (dx_sys->decoder)
{
ID3D11VideoDecoder_Release(dx_sys->decoder);
dx_sys->decoder = NULL;
}
}