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vlc/modules/codec/avcodec/dxva2.c

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/*****************************************************************************
* dxva2.c: Video Acceleration helpers
*****************************************************************************
* Copyright (C) 2009 Geoffroy Couprie
* Copyright (C) 2009 Laurent Aimar
* $Id$
*
* Authors: Geoffroy Couprie <geal@videolan.org>
* Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
*
* 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.
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <assert.h>
#include <vlc_common.h>
#include <vlc_picture.h>
#include <vlc_filter.h> /* need for the DXA9 to YV12 conversion */
#include <vlc_modules.h>
#include <vlc_plugin.h>
#include "directx_va.h"
#define DXVA2API_USE_BITFIELDS
#define COBJMACROS
#include <libavcodec/dxva2.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_("DirectX Video Acceleration (DXVA) 2.0"))
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__ */
MS_GUID(IID_IDirectXVideoDecoderService, 0xfc51a551, 0xd5e7, 0x11d9, 0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
MS_GUID(IID_IDirectXVideoAccelerationService, 0xfc51a550, 0xd5e7, 0x11d9, 0xaf,0x55,0x00,0x05,0x4e,0x43,0xff,0x02);
DEFINE_GUID(DXVA2_NoEncrypt, 0x1b81bed0, 0xa0c7, 0x11d3, 0xb9, 0x84, 0x00, 0xc0, 0x4f, 0x2e, 0x73, 0xc5);
DEFINE_GUID(DXVA_Intel_H264_NoFGT_ClearVideo, 0x604F8E68, 0x4951, 0x4c54, 0x88, 0xFE, 0xAB, 0xD2, 0x5C, 0x15, 0xB3, 0xD6);
/* */
typedef struct {
const char *name;
D3DFORMAT format;
vlc_fourcc_t codec;
} d3d_format_t;
/* XXX Prefered format must come first */
static const d3d_format_t d3d_formats[] = {
{ "YV12", MAKEFOURCC('Y','V','1','2'), VLC_CODEC_YV12 },
{ "NV12", MAKEFOURCC('N','V','1','2'), VLC_CODEC_NV12 },
{ "IMC3", MAKEFOURCC('I','M','C','3'), VLC_CODEC_YV12 },
{ NULL, 0, 0 }
};
static const d3d_format_t *D3dFindFormat(D3DFORMAT format)
{
for (unsigned i = 0; d3d_formats[i].name; i++) {
if (d3d_formats[i].format == format)
return &d3d_formats[i];
}
return NULL;
}
struct vlc_va_sys_t
{
directx_sys_t dx_sys;
/* DLL */
HINSTANCE hd3d9_dll;
/* Direct3D */
LPDIRECT3D9 d3dobj;
D3DADAPTER_IDENTIFIER9 d3dai;
/* Device manager */
IDirect3DDeviceManager9 *devmng;
HANDLE device;
/* Video service */
D3DFORMAT render;
/* Video decoder */
DXVA2_ConfigPictureDecode cfg;
/* Option conversion */
filter_t *filter;
/* avcodec internals */
struct dxva_context hw;
};
struct picture_sys_t
{
LPDIRECT3DSURFACE9 surface;
};
static picture_t *DxAllocPicture(vlc_va_t *, const video_format_t *, unsigned index);
/* */
static int D3dCreateDevice(vlc_va_t *);
static void D3dDestroyDevice(vlc_va_t *);
static char *DxDescribe(vlc_va_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 *, const video_format_t *);
static int DxCreateVideoDecoder(vlc_va_t *,
int codec_id, const video_format_t *, bool);
static void DxDestroyVideoDecoder(vlc_va_t *);
static int DxResetVideoDecoder(vlc_va_t *);
static void SetupAVCodecContext(vlc_va_t *);
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_D3D9_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 void Setup(vlc_va_t *va, vlc_fourcc_t *chroma)
{
vlc_va_sys_t *sys = va->sys;
*chroma = sys->filter == NULL ? VLC_CODEC_D3D9_OPAQUE : VLC_CODEC_YV12;
}
void SetupAVCodecContext(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
directx_sys_t *dx_sys = &sys->dx_sys;
sys->hw.decoder = (IDirectXVideoDecoder*) dx_sys->decoder;
sys->hw.cfg = &sys->cfg;
sys->hw.surface_count = dx_sys->surface_count;
sys->hw.surface = (LPDIRECT3DSURFACE9*) dx_sys->hw_surface;
if (IsEqualGUID(&dx_sys->input, &DXVA_Intel_H264_NoFGT_ClearVideo))
sys->hw.workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
}
static int Extract(vlc_va_t *va, picture_t *picture, uint8_t *data)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
LPDIRECT3DSURFACE9 d3d = (LPDIRECT3DSURFACE9)(uintptr_t)data;
if (picture->format.i_chroma == VLC_CODEC_D3D9_OPAQUE)
{
picture_sys_t *p_sys = picture->p_sys;
LPDIRECT3DSURFACE9 output = p_sys->surface;
assert(d3d != output);
#ifndef NDEBUG
LPDIRECT3DDEVICE9 srcDevice, dstDevice;
IDirect3DSurface9_GetDevice(d3d, &srcDevice);
IDirect3DSurface9_GetDevice(output, &dstDevice);
assert(srcDevice == dstDevice);
#endif
HRESULT hr;
RECT visibleSource;
visibleSource.left = 0;
visibleSource.top = 0;
visibleSource.right = picture->format.i_visible_width;
visibleSource.bottom = picture->format.i_visible_height;
hr = IDirect3DDevice9_StretchRect( (IDirect3DDevice9*) dx_sys->d3ddev, d3d, &visibleSource, output, &visibleSource, D3DTEXF_NONE);
if (FAILED(hr)) {
msg_Err(va, "Failed to copy the hw surface to the decoder surface (hr=0x%0lx)", hr );
return VLC_EGENERIC;
}
}
else if (va->sys->filter != NULL) {
va->sys->filter->owner.sys = picture;
vlc_va_surface_t *surface = picture->context;
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", picture->format.i_chroma );
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
static int CheckDevice(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
/* Check the device */
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;
}
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 (sys->hd3d9_dll)
FreeLibrary(sys->hd3d9_dll);
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_DXVA2_VLD)
return VLC_EGENERIC;
vlc_va_sys_t *sys = calloc(1, sizeof (*sys));
if (unlikely(sys == NULL))
return VLC_ENOMEM;
/* Load dll*/
sys->hd3d9_dll = LoadLibrary(TEXT("D3D9.DLL"));
if (!sys->hd3d9_dll) {
msg_Warn(va, "cannot load d3d9.dll");
goto error;
}
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 = DxCreateVideoDecoder;
dx_sys->pf_destroy_surfaces = DxDestroyVideoDecoder;
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("DXVA2.DLL");
va->sys = sys;
dx_sys->d3ddev = NULL;
if (p_sys!=NULL)
IDirect3DSurface9_GetDevice(p_sys->surface, (IDirect3DDevice9**) &dx_sys->d3ddev );
err = directx_va_Open(va, &sys->dx_sys, ctx, fmt, true);
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;
}
err = directx_va_Setup(va, &sys->dx_sys, ctx);
if (err != VLC_SUCCESS)
goto error;
ctx->hwaccel_context = &sys->hw;
/* TODO print the hardware name/vendor for debugging purposes */
va->description = DxDescribe(sys);
va->setup = Setup;
va->get = Get;
va->release = directx_va_Release;
va->extract = Extract;
return VLC_SUCCESS;
error:
Close(va, ctx);
return VLC_EGENERIC;
}
/* */
/**
* It creates a Direct3D device usable for DXVA 2
*/
static int D3dCreateDevice(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
if (sys->dx_sys.d3ddev) {
msg_Dbg(va, "Reusing Direct3D9 device");
IDirect3DDevice9_AddRef(sys->dx_sys.d3ddev);
return VLC_SUCCESS;
}
/* */
LPDIRECT3D9 (WINAPI *Create9)(UINT SDKVersion);
Create9 = (void *)GetProcAddress(sys->hd3d9_dll, "Direct3DCreate9");
if (!Create9) {
msg_Err(va, "Cannot locate reference to Direct3DCreate9 ABI in DLL");
return VLC_EGENERIC;
}
/* */
LPDIRECT3D9 d3dobj;
d3dobj = Create9(D3D_SDK_VERSION);
if (!d3dobj) {
msg_Err(va, "Direct3DCreate9 failed");
return VLC_EGENERIC;
}
sys->d3dobj = d3dobj;
/* */
D3DADAPTER_IDENTIFIER9 *d3dai = &sys->d3dai;
if (FAILED(IDirect3D9_GetAdapterIdentifier(sys->d3dobj,
D3DADAPTER_DEFAULT, 0, d3dai))) {
msg_Warn(va, "IDirect3D9_GetAdapterIdentifier failed");
ZeroMemory(d3dai, sizeof(*d3dai));
}
/* */
D3DPRESENT_PARAMETERS d3dpp;
ZeroMemory(&d3dpp, sizeof(d3dpp));
d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
d3dpp.Windowed = TRUE;
d3dpp.hDeviceWindow = NULL;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.MultiSampleType = D3DMULTISAMPLE_NONE;
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_DEFAULT;
d3dpp.BackBufferCount = 0; /* FIXME what to put here */
d3dpp.BackBufferFormat = D3DFMT_X8R8G8B8; /* FIXME what to put here */
d3dpp.BackBufferWidth = 0;
d3dpp.BackBufferHeight = 0;
d3dpp.EnableAutoDepthStencil = FALSE;
/* Direct3D needs a HWND to create a device, even without using ::Present
this HWND is used to alert Direct3D when there's a change of focus window.
For now, use GetDesktopWindow, as it looks harmless */
LPDIRECT3DDEVICE9 d3ddev;
if (FAILED(IDirect3D9_CreateDevice(d3dobj, D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL, GetDesktopWindow(),
D3DCREATE_SOFTWARE_VERTEXPROCESSING |
D3DCREATE_MULTITHREADED,
&d3dpp, &d3ddev))) {
msg_Err(va, "IDirect3D9_CreateDevice failed");
return VLC_EGENERIC;
}
sys->dx_sys.d3ddev = (IUnknown*) d3ddev;
return VLC_SUCCESS;
}
/**
* It releases a Direct3D device and its resources.
*/
static void D3dDestroyDevice(vlc_va_t *va)
{
if (va->sys->d3dobj)
IDirect3D9_Release(va->sys->d3dobj);
}
/**
* It describes our Direct3D object
*/
static char *DxDescribe(vlc_va_sys_t *va)
{
static const struct {
unsigned id;
char name[32];
} vendors [] = {
{ 0x1002, "ATI" },
{ 0x10DE, "NVIDIA" },
{ 0x1106, "VIA" },
{ 0x8086, "Intel" },
{ 0x5333, "S3 Graphics" },
{ 0, "" }
};
D3DADAPTER_IDENTIFIER9 *id = &va->d3dai;
const char *vendor = "Unknown";
for (int i = 0; vendors[i].id != 0; i++) {
if (vendors[i].id == id->VendorId) {
vendor = vendors[i].name;
break;
}
}
char *description;
if (asprintf(&description, "DXVA2 (%.*s, vendor %lu(%s), device %lu, revision %lu)",
(int)sizeof(id->Description), id->Description,
id->VendorId, vendor, id->DeviceId, id->Revision) < 0)
return NULL;
return description;
}
/**
* It creates a Direct3D device manager
*/
static int D3dCreateDeviceManager(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
directx_sys_t *dx_sys = &va->sys->dx_sys;
HRESULT (WINAPI *CreateDeviceManager9)(UINT *pResetToken,
IDirect3DDeviceManager9 **);
CreateDeviceManager9 =
(void *)GetProcAddress(dx_sys->hdecoder_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->devmng = devmng;
msg_Info(va, "obtained IDirect3DDeviceManager9");
HRESULT hr = IDirect3DDeviceManager9_ResetDevice(devmng, (IDirect3DDevice9*) dx_sys->d3ddev, token);
if (FAILED(hr)) {
msg_Err(va, "IDirect3DDeviceManager9_ResetDevice failed: %08x", (unsigned)hr);
return VLC_EGENERIC;
}
return VLC_SUCCESS;
}
/**
* It destroys a Direct3D device manager
*/
static void D3dDestroyDeviceManager(vlc_va_t *va)
{
if (va->sys->devmng)
IDirect3DDeviceManager9_Release(va->sys->devmng);
}
/**
* It creates a DirectX video service
*/
static int DxCreateVideoService(vlc_va_t *va)
{
vlc_va_sys_t *sys = va->sys;
directx_sys_t *dx_sys = &va->sys->dx_sys;
HRESULT (WINAPI *CreateVideoService)(IDirect3DDevice9 *,
REFIID riid,
void **ppService);
CreateVideoService =
(void *)GetProcAddress(dx_sys->hdecoder_dll, "DXVA2CreateVideoService");
if (!CreateVideoService) {
msg_Err(va, "cannot load function");
return 4;
}
msg_Info(va, "DXVA2CreateVideoService Success!");
HRESULT hr;
HANDLE device;
hr = IDirect3DDeviceManager9_OpenDeviceHandle(sys->devmng, &device);
if (FAILED(hr)) {
msg_Err(va, "OpenDeviceHandle failed");
return VLC_EGENERIC;
}
sys->device = device;
void *pv;
hr = IDirect3DDeviceManager9_GetVideoService(sys->devmng, device,
&IID_IDirectXVideoDecoderService, &pv);
if (FAILED(hr)) {
msg_Err(va, "GetVideoService failed");
return VLC_EGENERIC;
}
dx_sys->d3ddec = pv;
return VLC_SUCCESS;
}
/**
* 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 void ReleaseInputList(input_list_t *p_list)
{
CoTaskMemFree(p_list->list);
}
static int DxGetInputList(vlc_va_t *va, input_list_t *p_list)
{
directx_sys_t *dx_sys = &va->sys->dx_sys;
UINT input_count = 0;
GUID *input_list = NULL;
if (FAILED(IDirectXVideoDecoderService_GetDecoderDeviceGuids((IDirectXVideoDecoderService*) dx_sys->d3ddec,
&input_count,
&input_list))) {
msg_Err(va, "IDirectXVideoDecoderService_GetDecoderDeviceGuids failed");
return VLC_EGENERIC;
}
p_list->count = input_count;
p_list->list = input_list;
p_list->pf_release = ReleaseInputList;
return VLC_SUCCESS;
}
static int DxSetupOutput(vlc_va_t *va, const GUID *input, const video_format_t *fmt)
{
VLC_UNUSED(fmt);
int err = VLC_EGENERIC;
UINT output_count = 0;
D3DFORMAT *output_list = NULL;
if (FAILED(IDirectXVideoDecoderService_GetDecoderRenderTargets((IDirectXVideoDecoderService*) va->sys->dx_sys.d3ddec,
input,
&output_count,
&output_list))) {
msg_Err(va, "IDirectXVideoDecoderService_GetDecoderRenderTargets failed");
return VLC_EGENERIC;
}
for (unsigned j = 0; j < output_count; j++) {
const D3DFORMAT f = output_list[j];
const d3d_format_t *format = D3dFindFormat(f);
if (format) {
msg_Dbg(va, "%s is supported for output", format->name);
} else {
msg_Dbg(va, "%d is supported for output (%4.4s)", f, (const char*)&f);
}
}
/* */
for (unsigned j = 0; d3d_formats[j].name; j++) {
const d3d_format_t *format = &d3d_formats[j];
/* */
bool is_supported = false;
for (unsigned k = 0; !is_supported && k < output_count; k++) {
is_supported = format->format == output_list[k];
}
if (!is_supported)
continue;
/* We have our solution */
msg_Dbg(va, "Using decoder output '%s'", format->name);
va->sys->render = format->format;
err = VLC_SUCCESS;
break;
}
CoTaskMemFree(output_list);
return err;
}
/**
* It creates a DXVA2 decoder using the given video format
*/
static int DxCreateVideoDecoder(vlc_va_t *va, int codec_id, const video_format_t *fmt, bool b_threading)
{
VLC_UNUSED(b_threading);
vlc_va_sys_t *p_sys = va->sys;
directx_sys_t *sys = &va->sys->dx_sys;
if (FAILED(IDirectXVideoDecoderService_CreateSurface((IDirectXVideoDecoderService*) sys->d3ddec,
sys->surface_width,
sys->surface_height,
sys->surface_count - 1,
p_sys->render,
D3DPOOL_DEFAULT,
0,
DXVA2_VideoDecoderRenderTarget,
(LPDIRECT3DSURFACE9*) sys->hw_surface,
NULL))) {
msg_Err(va, "IDirectXVideoAccelerationService_CreateSurface failed");
sys->surface_count = 0;
return VLC_EGENERIC;
}
msg_Dbg(va, "IDirectXVideoAccelerationService_CreateSurface succeed with %d surfaces (%dx%d)",
sys->surface_count, sys->surface_width, sys->surface_height);
/* */
DXVA2_VideoDesc dsc;
ZeroMemory(&dsc, sizeof(dsc));
dsc.SampleWidth = fmt->i_width;
dsc.SampleHeight = fmt->i_height;
dsc.Format = p_sys->render;
if (fmt->i_frame_rate > 0 && fmt->i_frame_rate_base > 0) {
dsc.InputSampleFreq.Numerator = fmt->i_frame_rate;
dsc.InputSampleFreq.Denominator = fmt->i_frame_rate_base;
} else {
dsc.InputSampleFreq.Numerator = 0;
dsc.InputSampleFreq.Denominator = 0;
}
dsc.OutputFrameFreq = dsc.InputSampleFreq;
dsc.UABProtectionLevel = FALSE;
dsc.Reserved = 0;
/* FIXME I am unsure we can let unknown everywhere */
DXVA2_ExtendedFormat *ext = &dsc.SampleFormat;
ext->SampleFormat = 0;//DXVA2_SampleUnknown;
ext->VideoChromaSubsampling = 0;//DXVA2_VideoChromaSubsampling_Unknown;
ext->NominalRange = 0;//DXVA2_NominalRange_Unknown;
ext->VideoTransferMatrix = 0;//DXVA2_VideoTransferMatrix_Unknown;
ext->VideoLighting = 0;//DXVA2_VideoLighting_Unknown;
ext->VideoPrimaries = 0;//DXVA2_VideoPrimaries_Unknown;
ext->VideoTransferFunction = 0;//DXVA2_VideoTransFunc_Unknown;
/* List all configurations available for the decoder */
UINT cfg_count = 0;
DXVA2_ConfigPictureDecode *cfg_list = NULL;
if (FAILED(IDirectXVideoDecoderService_GetDecoderConfigurations((IDirectXVideoDecoderService*) sys->d3ddec,
&sys->input,
&dsc,
NULL,
&cfg_count,
&cfg_list))) {
msg_Err(va, "IDirectXVideoDecoderService_GetDecoderConfigurations failed");
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 DXVA2_ConfigPictureDecode *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) {
p_sys->cfg = *cfg;
cfg_score = score;
}
}
CoTaskMemFree(cfg_list);
if (cfg_score <= 0) {
msg_Err(va, "Failed to find a supported decoder configuration");
return VLC_EGENERIC;
}
/* Create the decoder */
IDirectXVideoDecoder *decoder;
if (FAILED(IDirectXVideoDecoderService_CreateVideoDecoder((IDirectXVideoDecoderService*) sys->d3ddec,
&sys->input,
&dsc,
&p_sys->cfg,
(LPDIRECT3DSURFACE9*) sys->hw_surface,
sys->surface_count,
&decoder))) {
msg_Err(va, "IDirectXVideoDecoderService_CreateVideoDecoder failed");
return VLC_EGENERIC;
}
sys->decoder = (IUnknown*) decoder;
msg_Dbg(va, "IDirectXVideoDecoderService_CreateVideoDecoder succeed");
return VLC_SUCCESS;
}
static void DxDestroyVideoDecoder(vlc_va_t *va)
{
VLC_UNUSED(va);
}
static int DxResetVideoDecoder(vlc_va_t *va)
{
msg_Err(va, "DxResetVideoDecoder unimplemented");
return VLC_EGENERIC;
}
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_D3D9_OPAQUE;
picture_sys_t *pic_sys = calloc(1, sizeof(*pic_sys));
if (unlikely(pic_sys == NULL))
return NULL;
pic_sys->surface = (LPDIRECT3DSURFACE9) va->sys->dx_sys.hw_surface[index];
picture_resource_t res = {
.p_sys = pic_sys,
};
picture_t *pic = picture_NewFromResource(&src_fmt, &res);
if (unlikely(pic == NULL))
{
free(pic_sys);
return NULL;
}
return pic;
}