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

660 lines
23 KiB
C++

#include <initguid.h>
#include "dxva2.h"
#include "../ffmpeg.h"
#include <streaming/streamutils.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(); }
DXVA2Renderer::DXVA2Renderer() :
m_SdlRenderer(nullptr),
m_DecService(nullptr),
m_Decoder(nullptr),
m_SurfacesUsed(0),
m_Pool(nullptr),
m_Device(nullptr),
m_RenderTarget(nullptr),
m_ProcService(nullptr),
m_Processor(nullptr),
m_FrameIndex(0)
{
RtlZeroMemory(m_DecSurfaces, sizeof(m_DecSurfaces));
RtlZeroMemory(&m_DXVAContext, sizeof(m_DXVAContext));
}
DXVA2Renderer::~DXVA2Renderer()
{
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_DecSurfaces); i++) {
SAFE_COM_RELEASE(m_DecSurfaces[i]);
}
if (m_Pool != nullptr) {
av_buffer_pool_uninit(&m_Pool);
}
if (m_SdlRenderer != nullptr) {
SDL_DestroyRenderer(m_SdlRenderer);
}
}
void DXVA2Renderer::ffPoolDummyDelete(void*, uint8_t*)
{
/* Do nothing */
}
AVBufferRef* DXVA2Renderer::ffPoolAlloc(void* opaque, int)
{
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)
{
// 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;
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)->getRenderer();
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;
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;
}
UINT guidCount;
GUID* guids;
hr = m_ProcService->GetVideoProcessorDeviceGuids(&m_Desc, &guidCount, &guids);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"GetVideoProcessorDeviceGuids() failed: %x",
hr);
return false;
}
UINT i;
for (i = 0; i < guidCount; i++) {
DXVA2_VideoProcessorCaps caps;
hr = m_ProcService->GetVideoProcessorCaps(guids[i], &m_Desc, renderTargetDesc.Format, &caps);
if (SUCCEEDED(hr)) {
if (!(caps.DeviceCaps & DXVA2_VPDev_HardwareDevice)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Device %d is not hardware: %x",
i,
caps.DeviceCaps);
continue;
}
else if (!(caps.VideoProcessorOperations & DXVA2_VideoProcess_YUV2RGB) &&
!(caps.VideoProcessorOperations & DXVA2_VideoProcess_YUV2RGBExtended)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Device %d can't convert YUV2RGB: %x",
i,
caps.VideoProcessorOperations);
continue;
}
else if (!(caps.VideoProcessorOperations & DXVA2_VideoProcess_StretchX) ||
!(caps.VideoProcessorOperations & DXVA2_VideoProcess_StretchY)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Device %d can't stretch video: %x",
i,
caps.VideoProcessorOperations);
continue;
}
m_ProcService->GetProcAmpRange(guids[i], &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Brightness, &m_BrightnessRange);
m_ProcService->GetProcAmpRange(guids[i], &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Contrast, &m_ContrastRange);
m_ProcService->GetProcAmpRange(guids[i], &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Hue, &m_HueRange);
m_ProcService->GetProcAmpRange(guids[i], &m_Desc, renderTargetDesc.Format, DXVA2_ProcAmp_Saturation, &m_SaturationRange);
hr = m_ProcService->CreateVideoProcessor(guids[i], &m_Desc, renderTargetDesc.Format, 0, &m_Processor);
if (FAILED(hr)) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"CreateVideoProcessor() failed for GUID %d: %x",
i,
hr);
continue;
}
break;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"GetVideoProcessorCaps() failed for GUID %d: %x",
i,
hr);
}
}
CoTaskMemFree(guids);
if (i == guidCount) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Unable to find a usable DXVA2 processor");
return false;
}
return true;
}
bool DXVA2Renderer::isDecoderBlacklisted()
{
IDirect3D9* d3d9;
HRESULT hr;
bool result = false;
// TODO: Update for HEVC Main10
SDL_assert(m_VideoFormat != VIDEO_FORMAT_H265_MAIN10);
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);
if (id.VendorId == 0x8086) {
// Intel seems to encode the series in the high byte of
// the device ID. We want to avoid the "Partial" acceleration
// support explicitly. Those will claim to have HW acceleration
// but perform badly.
// https://en.wikipedia.org/wiki/Intel_Graphics_Technology#Capabilities_(GPU_video_acceleration)
// https://raw.githubusercontent.com/GameTechDev/gpudetect/master/IntelGfx.cfg
switch (id.DeviceId & 0xFF00) {
case 0x0400: // Haswell
case 0x0A00: // Haswell
case 0x0D00: // Haswell
case 0x1600: // Broadwell
case 0x2200: // Cherry Trail and Braswell
// Blacklist these for HEVC to avoid hybrid decode
result = (m_VideoFormat & VIDEO_FORMAT_MASK_H265) != 0;
break;
default:
// Everything else is fine with whatever it says it supports
result = false;
break;
}
}
else if (id.VendorId == 0x10DE) {
// For NVIDIA, we wait to avoid those GPUs with Feature Set E
// for HEVC decoding, since that's hybrid.
// https://en.wikipedia.org/wiki/Nvidia_PureVideo
// http://envytools.readthedocs.io/en/latest/hw/pciid.html (missing GM200)
if ((id.DeviceId >= 0x1340 && id.DeviceId <= 0x137F) || // GM108
(id.DeviceId >= 0x1380 && id.DeviceId <= 0x13BF) || // GM107
(id.DeviceId >= 0x13C0 && id.DeviceId <= 0x13FF) || // GM204
(id.DeviceId >= 0x1617 && id.DeviceId <= 0x161A) || // GM204
(id.DeviceId == 0x1667) || // GM204
(id.DeviceId >= 0x17C0 && id.DeviceId <= 0x17FF)) { // GM200
// Avoid HEVC on Feature Set E GPUs
result = (m_VideoFormat & VIDEO_FORMAT_MASK_H265) != 0;
}
else {
result = false;
}
}
else if (id.VendorId == 0x1002) {
// AMD doesn't seem to do hybrid acceleration?
result = false;
}
else {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Unrecognized vendor ID: %x",
id.VendorId);
}
}
}
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 blacklisted for format %x",
m_VideoFormat);
}
return result;
}
bool DXVA2Renderer::initialize(SDL_Window* window, int videoFormat, int width, int height)
{
m_VideoFormat = videoFormat;
m_VideoWidth = width;
m_VideoHeight = height;
// FFmpeg will be decoding on different threads than the main thread that we're
// currently running on right now. We must set this hint so SDL will pass
// D3DCREATE_MULTITHREADED to IDirect3D9::CreateDevice().
SDL_SetHint(SDL_HINT_RENDER_DIRECT3D_THREADSAFE, "1");
// We require full-screen desktop mode to avoid having to enable V-sync
// to synchronize frame delivery (which has a much higher latency penalty).
m_SdlRenderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_ACCELERATED);
if (!m_SdlRenderer) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"SDL_CreateRenderer() failed: %s",
SDL_GetError());
return false;
}
m_Device = SDL_RenderGetD3D9Device(m_SdlRenderer);
// Draw a black frame until the video stream starts rendering
SDL_SetRenderDrawColor(m_SdlRenderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
SDL_RenderClear(m_SdlRenderer);
SDL_RenderPresent(m_SdlRenderer);
RtlZeroMemory(&m_Desc, sizeof(m_Desc));
int alignment;
// HEVC using DXVA requires 128B alignment
if (m_VideoFormat & VIDEO_FORMAT_MASK_H265) {
alignment = 128;
}
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;
m_Desc.Format = (D3DFORMAT)MAKEFOURCC('N','V','1','2');
if (!initializeDecoder()) {
return false;
}
if (!initializeRenderer()) {
return false;
}
return true;
}
void DXVA2Renderer::renderFrame(AVFrame* frame)
{
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();
if (SDL_RenderClear(m_SdlRenderer) != 0) {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"SDL_RenderClear() failed: %s",
SDL_GetError());
av_frame_free(&frame);
// We're going to cheat a little bit here. It seems SDL's
// renderer may flake out in scenarios like moving the window
// between monitors, so generate a synthetic reset event for
// the main loop to consume.
SDL_Event event;
event.type = SDL_RENDER_TARGETS_RESET;
SDL_PushEvent(&event);
return;
}
hr = m_Processor->VideoProcessBlt(m_RenderTarget, &bltParams, &sample, 1, nullptr);
av_frame_free(&frame);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"VideoProcessBlt() failed: %x",
hr);
}
// We must try to present to trigger SDL's logic to recover the render target,
// even if VideoProcessBlt() fails.
SDL_RenderPresent(m_SdlRenderer);
}