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moonlight-qt/app/streaming/video/ffmpeg-renderers/dxva2.cpp

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// minwindef.h defines min() and max() macros that conflict with
// std::numeric_limits, which Qt uses in some of its headers.
#define NOMINMAX
#include <initguid.h>
#include "dxva2.h"
#include "dxutil.h"
#include "../ffmpeg.h"
#include <streaming/streamutils.h>
#include <streaming/session.h>
#include <SDL_syswm.h>
#define WIN32_LEAN_AND_MEAN
#include <Windows.h>
#include <VersionHelpers.h>
#include <dwmapi.h>
#include <Limelight.h>
DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68,0x4951,0x4C54,0x88,0xFE,0xAB,0xD2,0x5C,0x15,0xB3,0xD6);
#define SAFE_COM_RELEASE(x) if (x) { (x)->Release(); }
typedef struct _VERTEX
{
float x, y, z, rhw;
float tu, tv;
} VERTEX, *PVERTEX;
DXVA2Renderer::DXVA2Renderer() :
m_DecService(nullptr),
m_Decoder(nullptr),
m_SurfacesUsed(0),
m_Pool(nullptr),
m_OverlayLock(0),
m_Device(nullptr),
m_RenderTarget(nullptr),
m_ProcService(nullptr),
m_Processor(nullptr),
m_FrameIndex(0),
m_BlockingPresent(false)
{
RtlZeroMemory(m_DecSurfaces, sizeof(m_DecSurfaces));
RtlZeroMemory(&m_DXVAContext, sizeof(m_DXVAContext));
RtlZeroMemory(m_OverlayVertexBuffers, sizeof(m_OverlayVertexBuffers));
RtlZeroMemory(m_OverlayTextures, sizeof(m_OverlayTextures));
// Use MMCSS scheduling for lower scheduling latency while we're streaming
DwmEnableMMCSS(TRUE);
}
DXVA2Renderer::~DXVA2Renderer()
{
DwmEnableMMCSS(FALSE);
SAFE_COM_RELEASE(m_DecService);
SAFE_COM_RELEASE(m_Decoder);
SAFE_COM_RELEASE(m_Device);
SAFE_COM_RELEASE(m_RenderTarget);
SAFE_COM_RELEASE(m_ProcService);
SAFE_COM_RELEASE(m_Processor);
for (int i = 0; i < ARRAYSIZE(m_OverlayVertexBuffers); i++) {
SAFE_COM_RELEASE(m_OverlayVertexBuffers[i]);
}
for (int i = 0; i < ARRAYSIZE(m_OverlayTextures); i++) {
SAFE_COM_RELEASE(m_OverlayTextures[i]);
}
for (int i = 0; i < ARRAYSIZE(m_DecSurfaces); i++) {
SAFE_COM_RELEASE(m_DecSurfaces[i]);
}
if (m_Pool != nullptr) {
av_buffer_pool_uninit(&m_Pool);
}
}
void DXVA2Renderer::ffPoolDummyDelete(void*, uint8_t*)
{
/* Do nothing */
}
AVBufferRef* DXVA2Renderer::ffPoolAlloc(void* opaque, FF_POOL_SIZE_TYPE)
{
DXVA2Renderer* me = reinterpret_cast<DXVA2Renderer*>(opaque);
if (me->m_SurfacesUsed < ARRAYSIZE(me->m_DecSurfaces)) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2 decoder surface high-water mark: %d",
me->m_SurfacesUsed);
return av_buffer_create((uint8_t*)me->m_DecSurfaces[me->m_SurfacesUsed++],
sizeof(*me->m_DecSurfaces), ffPoolDummyDelete, 0, 0);
}
return NULL;
}
bool DXVA2Renderer::prepareDecoderContext(AVCodecContext* context, AVDictionary**)
{
// m_DXVAContext.workaround and report_id already initialized elsewhere
m_DXVAContext.decoder = m_Decoder;
m_DXVAContext.cfg = &m_Config;
m_DXVAContext.surface = m_DecSurfaces;
m_DXVAContext.surface_count = ARRAYSIZE(m_DecSurfaces);
context->hwaccel_context = &m_DXVAContext;
context->get_buffer2 = ffGetBuffer2;
#if LIBAVCODEC_VERSION_MAJOR < 60
AV_NOWARN_DEPRECATED(
context->thread_safe_callbacks = 1;
)
#endif
m_Pool = av_buffer_pool_init2(ARRAYSIZE(m_DecSurfaces), this, ffPoolAlloc, nullptr);
if (!m_Pool) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Failed create buffer pool");
return false;
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Using DXVA2 accelerated renderer");
return true;
}
int DXVA2Renderer::ffGetBuffer2(AVCodecContext* context, AVFrame* frame, int)
{
DXVA2Renderer* me = (DXVA2Renderer*)((FFmpegVideoDecoder*)context->opaque)->getBackendRenderer();
frame->buf[0] = av_buffer_pool_get(me->m_Pool);
if (!frame->buf[0]) {
return AVERROR(ENOMEM);
}
frame->data[3] = frame->buf[0]->data;
frame->format = AV_PIX_FMT_DXVA2_VLD;
frame->width = me->m_VideoWidth;
frame->height = me->m_VideoHeight;
return 0;
}
bool DXVA2Renderer::initializeDecoder()
{
HRESULT hr;
if (isDecoderBlacklisted()) {
return false;
}
hr = DXVA2CreateVideoService(m_Device, IID_IDirectXVideoDecoderService,
reinterpret_cast<void**>(&m_DecService));
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2CreateVideoService(IID_IDirectXVideoDecoderService) failed: %x",
hr);
return false;
}
GUID* guids;
GUID chosenDeviceGuid;
UINT guidCount;
hr = m_DecService->GetDecoderDeviceGuids(&guidCount, &guids);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDecoderDeviceGuids() failed: %x",
hr);
return false;
}
UINT i;
for (i = 0; i < guidCount; i++) {
if (m_VideoFormat == VIDEO_FORMAT_H264) {
if (IsEqualGUID(guids[i], DXVA2_ModeH264_E) ||
IsEqualGUID(guids[i], DXVA2_ModeH264_F)) {
chosenDeviceGuid = guids[i];
break;
}
else if (IsEqualGUID(guids[i], DXVADDI_Intel_ModeH264_E)) {
chosenDeviceGuid = guids[i];
m_DXVAContext.workaround |= FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO;
break;
}
}
else if (m_VideoFormat == VIDEO_FORMAT_H265) {
if (IsEqualGUID(guids[i], DXVA2_ModeHEVC_VLD_Main)) {
chosenDeviceGuid = guids[i];
break;
}
}
else if (m_VideoFormat == VIDEO_FORMAT_H265_MAIN10) {
if (IsEqualGUID(guids[i], DXVA2_ModeHEVC_VLD_Main10)) {
chosenDeviceGuid = guids[i];
break;
}
}
}
CoTaskMemFree(guids);
if (i == guidCount) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"No matching decoder device GUIDs");
return false;
}
DXVA2_ConfigPictureDecode* configs;
UINT configCount;
hr = m_DecService->GetDecoderConfigurations(chosenDeviceGuid, &m_Desc, nullptr, &configCount, &configs);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDecoderConfigurations() failed: %x",
hr);
return false;
}
for (i = 0; i < configCount; i++) {
if ((configs[i].ConfigBitstreamRaw == 1 || configs[i].ConfigBitstreamRaw == 2) &&
IsEqualGUID(configs[i].guidConfigBitstreamEncryption, DXVA2_NoEncrypt)) {
m_Config = configs[i];
break;
}
}
CoTaskMemFree(configs);
if (i == configCount) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"No matching decoder configurations");
return false;
}
// Alignment was already taken care of
SDL_assert(m_Desc.SampleWidth % 16 == 0);
SDL_assert(m_Desc.SampleHeight % 16 == 0);
hr = m_DecService->CreateSurface(m_Desc.SampleWidth,
m_Desc.SampleHeight,
ARRAYSIZE(m_DecSurfaces) - 1,
m_Desc.Format,
D3DPOOL_DEFAULT,
0,
DXVA2_VideoDecoderRenderTarget,
m_DecSurfaces,
nullptr);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateSurface() failed: %x",
hr);
return false;
}
hr = m_DecService->CreateVideoDecoder(chosenDeviceGuid, &m_Desc, &m_Config,
m_DecSurfaces, ARRAYSIZE(m_DecSurfaces),
&m_Decoder);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateVideoDecoder() failed: %x",
hr);
return false;
}
return true;
}
bool DXVA2Renderer::initializeRenderer()
{
HRESULT hr;
hr = m_Device->GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO, &m_RenderTarget);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetBackBuffer() failed: %x",
hr);
return false;
}
D3DSURFACE_DESC renderTargetDesc;
m_RenderTarget->GetDesc(&renderTargetDesc);
m_DisplayWidth = renderTargetDesc.Width;
m_DisplayHeight = renderTargetDesc.Height;
if (!isDXVideoProcessorAPIBlacklisted()) {
hr = DXVA2CreateVideoService(m_Device, IID_IDirectXVideoProcessorService,
reinterpret_cast<void**>(&m_ProcService));
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2CreateVideoService(IID_IDirectXVideoProcessorService) failed: %x",
hr);
return false;
}
DXVA2_VideoProcessorCaps caps;
hr = m_ProcService->GetVideoProcessorCaps(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, &caps);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetVideoProcessorCaps() failed for DXVA2_VideoProcProgressiveDevice: %x",
hr);
return false;
}
if (!(caps.DeviceCaps & DXVA2_VPDev_HardwareDevice)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2_VideoProcProgressiveDevice is not hardware: %x",
caps.DeviceCaps);
return false;
}
else if (!(caps.VideoProcessorOperations & DXVA2_VideoProcess_YUV2RGB) &&
!(caps.VideoProcessorOperations & DXVA2_VideoProcess_YUV2RGBExtended)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2_VideoProcProgressiveDevice can't convert YUV2RGB: %x",
caps.VideoProcessorOperations);
return false;
}
else if (!(caps.VideoProcessorOperations & DXVA2_VideoProcess_StretchX) ||
!(caps.VideoProcessorOperations & DXVA2_VideoProcess_StretchY)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2_VideoProcProgressiveDevice can't stretch video: %x",
caps.VideoProcessorOperations);
return false;
}
if (caps.DeviceCaps & DXVA2_VPDev_EmulatedDXVA1) {
// DXVA2 over DXVA1 may have bad performance
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2_VideoProcProgressiveDevice is DXVA1");
}
m_ProcService->GetProcAmpRange(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Brightness, &m_BrightnessRange);
m_ProcService->GetProcAmpRange(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Contrast, &m_ContrastRange);
m_ProcService->GetProcAmpRange(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Hue, &m_HueRange);
m_ProcService->GetProcAmpRange(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Saturation, &m_SaturationRange);
hr = m_ProcService->CreateVideoProcessor(DXVA2_VideoProcProgressiveDevice, &m_Desc, renderTargetDesc.Format, 0, &m_Processor);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateVideoProcessor() failed for DXVA2_VideoProcProgressiveDevice: %x",
hr);
return false;
}
}
m_Device->SetRenderState(D3DRS_ZENABLE, D3DZB_FALSE);
m_Device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
m_Device->SetRenderState(D3DRS_LIGHTING, FALSE);
m_Device->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE);
m_Device->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
m_Device->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
m_Device->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
m_Device->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
m_Device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
m_Device->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
m_Device->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
m_Device->SetFVF(D3DFVF_XYZRHW | D3DFVF_TEX1);
return true;
}
bool DXVA2Renderer::isDXVideoProcessorAPIBlacklisted()
{
IDirect3D9* d3d9;
HRESULT hr;
bool result = false;
if (qgetenv("DXVA2_DISABLE_VIDPROC_BLACKLIST") == "1") {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"IDirectXVideoProcessor blacklist is disabled");
return false;
}
hr = m_Device->GetDirect3D(&d3d9);
if (SUCCEEDED(hr)) {
D3DCAPS9 caps;
hr = m_Device->GetDeviceCaps(&caps);
if (SUCCEEDED(hr)) {
D3DADAPTER_IDENTIFIER9 id;
hr = d3d9->GetAdapterIdentifier(caps.AdapterOrdinal, 0, &id);
if (SUCCEEDED(hr)) {
if (id.VendorId == 0x8086) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding IDirectXVideoProcessor API on Intel GPU");
// On Intel GPUs, we can get unwanted video "enhancements" due to post-processing
// effects that the GPU driver forces on us. In many cases, this makes the video
// actually look worse. We can avoid these by using StretchRect() instead on these
// platforms.
result = true;
}
else if (id.VendorId == 0x4d4f4351) { // QCOM in ASCII
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Avoiding IDirectXVideoProcessor API on Qualcomm GPU");
// On Qualcomm GPUs (all D3D9on12 GPUs?), the scaling quality of VideoProcessBlt()
// is absolutely horrible. StretchRect() is much much better.
result = true;
}
else {
result = false;
}
}
else {
result = false;
}
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDeviceCaps() failed: %x", hr);
}
d3d9->Release();
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDirect3D() failed: %x", hr);
}
return result;
}
bool DXVA2Renderer::isDecoderBlacklisted()
{
IDirect3D9* d3d9;
HRESULT hr;
bool result = false;
if (qgetenv("DXVA2_DISABLE_DECODER_BLACKLIST") == "1") {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2 decoder blacklist is disabled");
return false;
}
hr = m_Device->GetDirect3D(&d3d9);
if (SUCCEEDED(hr)) {
D3DCAPS9 caps;
hr = m_Device->GetDeviceCaps(&caps);
if (SUCCEEDED(hr)) {
D3DADAPTER_IDENTIFIER9 id;
hr = d3d9->GetAdapterIdentifier(caps.AdapterOrdinal, 0, &id);
if (SUCCEEDED(hr)) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Detected GPU: %s (%x:%x)",
id.Description,
id.VendorId,
id.DeviceId);
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"GPU driver: %s %d.%d.%d.%d",
id.Driver,
HIWORD(id.DriverVersion.HighPart),
LOWORD(id.DriverVersion.HighPart),
HIWORD(id.DriverVersion.LowPart),
LOWORD(id.DriverVersion.LowPart));
if (DXUtil::isFormatHybridDecodedByHardware(m_VideoFormat, id.VendorId, id.DeviceId)) {
result = true;
}
// Intel drivers from before late-2017 had a bug that caused some strange artifacts
// when decoding HEVC. Avoid HEVC on drivers prior to build 4836 which I confirmed
// is not affected on my Intel HD 515. Also account for the driver version rollover
// that happened with the 101.1069 series.
// https://github.com/moonlight-stream/moonlight-qt/issues/32
// https://www.intel.com/content/www/us/en/support/articles/000005654/graphics-drivers.html
else if (id.VendorId == 0x8086 && HIWORD(id.DriverVersion.LowPart) < 100 && LOWORD(id.DriverVersion.LowPart) < 4836) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Detected buggy Intel GPU driver installed. Update your Intel GPU driver to enable HEVC!");
result = (m_VideoFormat & VIDEO_FORMAT_MASK_H265) != 0;
}
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetAdapterIdentifier() failed: %x", hr);
}
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDeviceCaps() failed: %x", hr);
}
d3d9->Release();
}
else {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetDirect3D() failed: %x", hr);
}
if (result) {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"GPU decoding for format %x is blocked due to hardware limitations",
m_VideoFormat);
}
return result;
}
bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
{
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
SDL_GetWindowWMInfo(window, &info);
IDirect3D9Ex* d3d9ex;
HRESULT hr = Direct3DCreate9Ex(D3D_SDK_VERSION, &d3d9ex);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Direct3DCreate9Ex() failed: %x",
hr);
return false;
}
int adapterIndex = SDL_Direct3D9GetAdapterIndex(SDL_GetWindowDisplayIndex(window));
Uint32 windowFlags = SDL_GetWindowFlags(window);
D3DCAPS9 deviceCaps;
d3d9ex->GetDeviceCaps(adapterIndex, D3DDEVTYPE_HAL, &deviceCaps);
D3DDISPLAYMODEEX currentMode;
currentMode.Size = sizeof(currentMode);
d3d9ex->GetAdapterDisplayModeEx(adapterIndex, &currentMode, nullptr);
D3DPRESENT_PARAMETERS d3dpp = {};
d3dpp.hDeviceWindow = info.info.win.window;
d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
if (m_VideoFormat == VIDEO_FORMAT_H265_MAIN10) {
// Verify 10-bit A2R10G10B10 color support. This is only available
// as a display format in full-screen exclusive mode on DX9.
hr = d3d9ex->CheckDeviceType(adapterIndex,
D3DDEVTYPE_HAL,
D3DFMT_A2R10G10B10,
D3DFMT_A2R10G10B10,
FALSE);
if (FAILED(hr)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"GPU/driver doesn't support A2R10G10B10");
d3d9ex->Release();
return false;
}
}
if ((windowFlags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN) {
d3dpp.Windowed = false;
d3dpp.BackBufferWidth = currentMode.Width;
d3dpp.BackBufferHeight = currentMode.Height;
d3dpp.FullScreen_RefreshRateInHz = currentMode.RefreshRate;
if (m_VideoFormat == VIDEO_FORMAT_H265_MAIN10) {
d3dpp.BackBufferFormat = currentMode.Format = D3DFMT_A2R10G10B10;
}
else {
d3dpp.BackBufferFormat = currentMode.Format;
}
}
else {
d3dpp.Windowed = true;
d3dpp.BackBufferFormat = D3DFMT_UNKNOWN;
SDL_GetWindowSize(window, (int*)&d3dpp.BackBufferWidth, (int*)&d3dpp.BackBufferHeight);
}
BOOL dwmEnabled;
DwmIsCompositionEnabled(&dwmEnabled);
if (d3dpp.Windowed && dwmEnabled) {
// If composition enabled, disable v-sync and let DWM manage things
// to reduce latency by avoiding double v-syncing.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
// If V-sync is enabled (not rendering faster than display),
// we can use FlipEx for more efficient swapping.
if (enableVsync) {
// D3DSWAPEFFECT_FLIPEX requires at least 2 back buffers to allow us to
// continue while DWM is waiting to render the surface to the display.
d3dpp.SwapEffect = D3DSWAPEFFECT_FLIPEX;
d3dpp.BackBufferCount = 2;
}
else {
// With V-sync off, we won't use FlipEx because that will block while
// DWM is waiting to render our surface (effectively behaving like V-Sync).
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferCount = 1;
}
m_BlockingPresent = false;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Windowed mode with DWM running");
}
else if (enableVsync) {
// Uncomposited desktop or full-screen exclusive mode with V-sync enabled
// We will enable V-sync in this scenario to avoid tearing.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferCount = 1;
m_BlockingPresent = true;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"V-Sync enabled");
}
else {
// Uncomposited desktop or full-screen exclusive mode with V-sync disabled
// We will allowing tearing for lowest latency.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferCount = 1;
m_BlockingPresent = false;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"V-Sync disabled in tearing mode");
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Windowed: %d | Present Interval: %x",
d3dpp.Windowed, d3dpp.PresentationInterval);
// FFmpeg requires this attribute for doing asynchronous decoding
// in a separate thread with this device.
int deviceFlags = D3DCREATE_MULTITHREADED;
if (deviceCaps.DevCaps & D3DDEVCAPS_HWTRANSFORMANDLIGHT) {
deviceFlags |= D3DCREATE_HARDWARE_VERTEXPROCESSING;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"No hardware vertex processing support!");
deviceFlags |= D3DCREATE_SOFTWARE_VERTEXPROCESSING;
}
hr = d3d9ex->CreateDeviceEx(adapterIndex,
D3DDEVTYPE_HAL,
d3dpp.hDeviceWindow,
deviceFlags,
&d3dpp,
d3dpp.Windowed ? nullptr : &currentMode,
&m_Device);
d3d9ex->Release();
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateDeviceEx() failed: %x",
hr);
return false;
}
hr = m_Device->SetMaximumFrameLatency(1);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SetMaximumFrameLatency() failed: %x",
hr);
return false;
}
return true;
}
bool DXVA2Renderer::initialize(PDECODER_PARAMETERS params)
{
// Don't use DXVA2 for HDR10. While it can render 10-bit color, it doesn't support
// the HDR colorspace and HDR display metadata required to enable HDR mode properly.
if (params->videoFormat == VIDEO_FORMAT_H265_MAIN10) {
return false;
}
else if (qgetenv("DXVA2_ENABLED") == "0") {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"DXVA2 is disabled by environment variable");
return false;
}
m_VideoFormat = params->videoFormat;
m_VideoWidth = params->width;
m_VideoHeight = params->height;
RtlZeroMemory(&m_Desc, sizeof(m_Desc));
int alignment;
// HEVC using DXVA requires 128 pixel alignment, however Intel GPUs decoding HEVC
// using StretchRect() to render draw a translucent green line at the top of
// the screen in full-screen mode at 720p/1080p unless we use 32 pixel alignment.
// This appears to work without issues on AMD and Nvidia GPUs too, so we will
// do it unconditionally for now.
if (m_VideoFormat & VIDEO_FORMAT_MASK_H265) {
alignment = 32;
}
else {
alignment = 16;
}
m_Desc.SampleWidth = FFALIGN(m_VideoWidth, alignment);
m_Desc.SampleHeight = FFALIGN(m_VideoHeight, alignment);
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Unknown;
m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_Unknown;
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_Unknown;
m_Desc.SampleFormat.VideoLighting = DXVA2_VideoLighting_Unknown;
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_Unknown;
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_Unknown;
m_Desc.SampleFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
if (m_VideoFormat == VIDEO_FORMAT_H265_MAIN10) {
m_Desc.Format = (D3DFORMAT)MAKEFOURCC('P','0','1','0');
}
else {
m_Desc.Format = (D3DFORMAT)MAKEFOURCC('N','V','1','2');
}
if (!initializeDevice(params->window, params->enableVsync)) {
return false;
}
if (!initializeDecoder()) {
return false;
}
if (!initializeRenderer()) {
return false;
}
// For some reason, using Direct3D9Ex breaks this with multi-monitor setups.
// When focus is lost, the window is minimized then immediately restored without
// input focus. This glitches out the renderer and a bunch of other stuff.
// Direct3D9Ex itself seems to have this minimize on focus loss behavior on its
// own, so just disable SDL's handling of the focus loss event.
SDL_SetHintWithPriority(SDL_HINT_VIDEO_MINIMIZE_ON_FOCUS_LOSS, "0", SDL_HINT_OVERRIDE);
return true;
}
void DXVA2Renderer::notifyOverlayUpdated(Overlay::OverlayType type)
{
HRESULT hr;
SDL_Surface* newSurface = Session::get()->getOverlayManager().getUpdatedOverlaySurface(type);
if (newSurface == nullptr && Session::get()->getOverlayManager().isOverlayEnabled(type)) {
// The overlay is enabled and there is no new surface. Leave the old texture alone.
return;
}
SDL_AtomicLock(&m_OverlayLock);
IDirect3DTexture9* oldTexture = m_OverlayTextures[type];
m_OverlayTextures[type] = nullptr;
IDirect3DVertexBuffer9* oldVertexBuffer = m_OverlayVertexBuffers[type];
m_OverlayVertexBuffers[type] = nullptr;
SDL_AtomicUnlock(&m_OverlayLock);
SAFE_COM_RELEASE(oldTexture);
SAFE_COM_RELEASE(oldVertexBuffer);
// If the overlay is disabled, we're done
if (!Session::get()->getOverlayManager().isOverlayEnabled(type)) {
SDL_FreeSurface(newSurface);
return;
}
// Create a dynamic texture to populate with our pixel data
SDL_assert(!SDL_MUSTLOCK(newSurface));
IDirect3DTexture9* newTexture = nullptr;
hr = m_Device->CreateTexture(newSurface->w,
newSurface->h,
1,
D3DUSAGE_DYNAMIC,
D3DFMT_A8R8G8B8,
D3DPOOL_DEFAULT,
&newTexture,
nullptr);
if (FAILED(hr)) {
SDL_FreeSurface(newSurface);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateTexture() failed: %x",
hr);
return;
}
D3DLOCKED_RECT lockedRect;
hr = newTexture->LockRect(0, &lockedRect, nullptr, D3DLOCK_DISCARD);
if (FAILED(hr)) {
SDL_FreeSurface(newSurface);
SAFE_COM_RELEASE(newTexture);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"IDirect3DTexture9::LockRect() failed: %x",
hr);
return;
}
if (newSurface->pitch == lockedRect.Pitch) {
// If the pitch matches, we can take the fast path and use a single copy to transfer the pixels
RtlCopyMemory(lockedRect.pBits, newSurface->pixels, newSurface->pitch * newSurface->h);
}
else {
// If the pitch doesn't match, we'll need to copy each row separately
int pitch = SDL_min(newSurface->pitch, lockedRect.Pitch);
for (int i = 0; i < newSurface->h; i++) {
RtlCopyMemory(((PUCHAR)lockedRect.pBits) + (lockedRect.Pitch * i),
((PUCHAR)newSurface->pixels) + (newSurface->pitch * i),
pitch);
}
}
newTexture->UnlockRect(0);
SDL_FRect renderRect = {};
if (type == Overlay::OverlayStatusUpdate) {
// Bottom Left
renderRect.x = 0;
renderRect.y = m_DisplayHeight - newSurface->h;
}
else if (type == Overlay::OverlayDebug) {
// Top left
renderRect.x = 0;
renderRect.y = 0;
}
renderRect.w = newSurface->w;
renderRect.h = newSurface->h;
// The surface is no longer required
SDL_FreeSurface(newSurface);
newSurface = nullptr;
VERTEX verts[] =
{
{renderRect.x, renderRect.y, 0, 1, 0, 0},
{renderRect.x, renderRect.y+renderRect.h, 0, 1, 0, 1},
{renderRect.x+renderRect.w, renderRect.y+renderRect.h, 0, 1, 1, 1},
{renderRect.x+renderRect.w, renderRect.y, 0, 1, 1, 0}
};
IDirect3DVertexBuffer9* newVertexBuffer = nullptr;
hr = m_Device->CreateVertexBuffer(sizeof(verts),
D3DUSAGE_WRITEONLY,
D3DFVF_XYZRHW | D3DFVF_TEX1,
D3DPOOL_DEFAULT,
&newVertexBuffer,
nullptr);
if (FAILED(hr)) {
SAFE_COM_RELEASE(newTexture);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"CreateVertexBuffer() failed: %x",
hr);
return;
}
PVOID targetVertexBuffer = nullptr;
hr = newVertexBuffer->Lock(0, 0, &targetVertexBuffer, 0);
if (FAILED(hr)) {
SAFE_COM_RELEASE(newTexture);
SAFE_COM_RELEASE(newVertexBuffer);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"IDirect3DVertexBuffer9::Lock() failed: %x",
hr);
return;
}
RtlCopyMemory(targetVertexBuffer, verts, sizeof(verts));
newVertexBuffer->Unlock();
SDL_AtomicLock(&m_OverlayLock);
m_OverlayVertexBuffers[type] = newVertexBuffer;
m_OverlayTextures[type] = newTexture;
SDL_AtomicUnlock(&m_OverlayLock);
}
void DXVA2Renderer::renderOverlay(Overlay::OverlayType type)
{
HRESULT hr;
if (!Session::get()->getOverlayManager().isOverlayEnabled(type)) {
return;
}
// If the overlay is being updated, just skip rendering it this frame
if (!SDL_AtomicTryLock(&m_OverlayLock)) {
return;
}
IDirect3DTexture9* overlayTexture = m_OverlayTextures[type];
IDirect3DVertexBuffer9* overlayVertexBuffer = m_OverlayVertexBuffers[type];
if (overlayTexture == nullptr) {
SDL_AtomicUnlock(&m_OverlayLock);
return;
}
// Reference these objects so they don't immediately go away if the
// overlay update thread tries to release them.
SDL_assert(overlayVertexBuffer != nullptr);
overlayTexture->AddRef();
overlayVertexBuffer->AddRef();
SDL_AtomicUnlock(&m_OverlayLock);
hr = m_Device->SetTexture(0, overlayTexture);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SetTexture() failed: %x",
hr);
goto Exit;
}
hr = m_Device->SetStreamSource(0, overlayVertexBuffer, 0, sizeof(VERTEX));
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SetStreamSource() failed: %x",
hr);
goto Exit;
}
hr = m_Device->DrawPrimitive(D3DPT_TRIANGLEFAN, 0, 2);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"DrawPrimitive() failed: %x",
hr);
goto Exit;
}
Exit:
overlayTexture->Release();
overlayVertexBuffer->Release();
}
int DXVA2Renderer::getDecoderColorspace()
{
if (isDXVideoProcessorAPIBlacklisted()) {
// StretchRect() assumes Rec 601 on Intel and Qualcomm GPUs.
return COLORSPACE_REC_601;
}
else {
// VideoProcessBlt() *should* properly handle whatever, since
// we provide colorspace information. However, AMD GPUs seem to
// always assume Rec 709, so we'll use that as our default.
return COLORSPACE_REC_709;
}
}
void DXVA2Renderer::renderFrame(AVFrame *frame)
{
if (frame == nullptr) {
// End of stream - nothing to do for us
return;
}
IDirect3DSurface9* surface = reinterpret_cast<IDirect3DSurface9*>(frame->data[3]);
HRESULT hr;
switch (frame->color_range) {
case AVCOL_RANGE_JPEG:
m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_0_255;
break;
case AVCOL_RANGE_MPEG:
m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_16_235;
break;
default:
m_Desc.SampleFormat.NominalRange = DXVA2_NominalRange_Unknown;
break;
}
switch (frame->color_primaries) {
case AVCOL_PRI_BT709:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT709;
break;
case AVCOL_PRI_BT470M:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT470_2_SysM;
break;
case AVCOL_PRI_BT470BG:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_BT470_2_SysBG;
break;
case AVCOL_PRI_SMPTE170M:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_SMPTE170M;
break;
case AVCOL_PRI_SMPTE240M:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_SMPTE240M;
break;
default:
m_Desc.SampleFormat.VideoPrimaries = DXVA2_VideoPrimaries_Unknown;
break;
}
switch (frame->color_trc) {
case AVCOL_TRC_SMPTE170M:
case AVCOL_TRC_BT709:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_709;
break;
case AVCOL_TRC_LINEAR:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_10;
break;
case AVCOL_TRC_GAMMA22:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_22;
break;
case AVCOL_TRC_GAMMA28:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_28;
break;
case AVCOL_TRC_SMPTE240M:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_240M;
break;
case AVCOL_TRC_IEC61966_2_1:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_sRGB;
break;
default:
m_Desc.SampleFormat.VideoTransferFunction = DXVA2_VideoTransFunc_Unknown;
break;
}
switch (frame->colorspace) {
case AVCOL_SPC_BT709:
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_BT709;
break;
case AVCOL_SPC_BT470BG:
case AVCOL_SPC_SMPTE170M:
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_BT601;
break;
case AVCOL_SPC_SMPTE240M:
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_SMPTE240M;
break;
default:
m_Desc.SampleFormat.VideoTransferMatrix = DXVA2_VideoTransferMatrix_Unknown;
break;
}
switch (frame->chroma_location) {
case AVCHROMA_LOC_LEFT:
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Horizontally_Cosited |
DXVA2_VideoChromaSubsampling_Vertically_AlignedChromaPlanes;
break;
case AVCHROMA_LOC_CENTER:
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Vertically_AlignedChromaPlanes;
break;
case AVCHROMA_LOC_TOPLEFT:
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Horizontally_Cosited |
DXVA2_VideoChromaSubsampling_Vertically_Cosited;
break;
default:
m_Desc.SampleFormat.VideoChromaSubsampling = DXVA2_VideoChromaSubsampling_Unknown;
break;
}
DXVA2_VideoSample sample = {};
sample.Start = m_FrameIndex;
sample.End = m_FrameIndex + 1;
sample.SrcSurface = surface;
sample.SrcRect.right = m_VideoWidth;
sample.SrcRect.bottom = m_VideoHeight;
sample.SampleFormat = m_Desc.SampleFormat;
sample.PlanarAlpha = DXVA2_Fixed32OpaqueAlpha();
// Center in frame and preserve aspect ratio
SDL_Rect src, dst;
src.x = src.y = 0;
src.w = m_VideoWidth;
src.h = m_VideoHeight;
dst.x = dst.y = 0;
dst.w = m_DisplayWidth;
dst.h = m_DisplayHeight;
StreamUtils::scaleSourceToDestinationSurface(&src, &dst);
sample.DstRect.left = dst.x;
sample.DstRect.right = dst.x + dst.w;
sample.DstRect.top = dst.y;
sample.DstRect.bottom = dst.y + dst.h;
DXVA2_VideoProcessBltParams bltParams = {};
bltParams.TargetFrame = m_FrameIndex++;
bltParams.TargetRect = sample.DstRect;
bltParams.BackgroundColor.Alpha = 0xFFFF;
bltParams.DestFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
bltParams.ProcAmpValues.Brightness = m_BrightnessRange.DefaultValue;
bltParams.ProcAmpValues.Contrast = m_ContrastRange.DefaultValue;
bltParams.ProcAmpValues.Hue = m_HueRange.DefaultValue;
bltParams.ProcAmpValues.Saturation = m_SaturationRange.DefaultValue;
bltParams.Alpha = DXVA2_Fixed32OpaqueAlpha();
hr = m_Device->Clear(0, nullptr, D3DCLEAR_TARGET, D3DCOLOR_ARGB(255, 0, 0, 0), 0.0f, 0);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Clear() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
hr = m_Device->BeginScene();
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"BeginScene() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
if (m_Processor) {
hr = m_Processor->VideoProcessBlt(m_RenderTarget, &bltParams, &sample, 1, nullptr);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"VideoProcessBlt() failed, falling back to StretchRect(): %x",
hr);
m_Processor->Release();
m_Processor = nullptr;
}
}
if (!m_Processor) {
// This function doesn't trigger any of Intel's garbage video "enhancements"
hr = m_Device->StretchRect(surface, &sample.SrcRect, m_RenderTarget, &sample.DstRect, D3DTEXF_NONE);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"StretchRect() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
}
// Render overlays on top of the video stream
for (int i = 0; i < Overlay::OverlayMax; i++) {
renderOverlay((Overlay::OverlayType)i);
}
hr = m_Device->EndScene();
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"EndScene() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
do {
// Use D3DPRESENT_DONOTWAIT if present may block in order to avoid holding the giant
// lock around this D3D device for excessive lengths of time (blocking concurrent decoding tasks).
hr = m_Device->PresentEx(nullptr, nullptr, nullptr, nullptr, m_BlockingPresent ? D3DPRESENT_DONOTWAIT : 0);
if (hr == D3DERR_WASSTILLDRAWING) {
SDL_Delay(1);
}
} while (hr == D3DERR_WASSTILLDRAWING);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"PresentEx() failed: %x",
hr);
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
}
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