Esempio n. 1
0
void nuiGLDrawContext::BlurRect(const nuiRect& rRect, uint Strength)
{
  nuiRect Rect = rRect;
  if (mClippingRect.mEnabled)
    Rect.Intersect(mClippingRect,rRect);
  nuiRect size = Rect.Size();

  nuiTexture* pScratchPad = GetScratchPad(ToZero(size.GetWidth()), ToZero(size.GetHeight()));

  if (!pScratchPad)
    return;

  SetTexture(pScratchPad);

  glPushMatrix();
  glLoadIdentity();

  EnableBlending(true);
  EnableTexture2D(true);
  SetBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

  do
  {
    glCopyTexSubImage2D(
      GL_TEXTURE_2D, 0, 
      0, 0, 
      ToZero(rRect.mLeft), ToZero(mHeight) - 1 - ToZero(rRect.mTop) - ToZero(rRect.GetHeight()), 
      ToZero(rRect.GetWidth()), ToZero(rRect.GetHeight())
      );

    SetFillColor(nuiColor(1,1,1,.15f));
    nuiRect rect = Rect;

    rect.Move(-1,-1);
    DrawImage(rect,size);
    rect.Move(1,0);
    DrawImage(rect,size);
    rect.Move(1,0);
    DrawImage(rect,size);

    rect.Move(-2,1);
    DrawImage(rect,size);
    rect.Move(1,0);
    DrawImage(rect,size);
    rect.Move(1,0);
    DrawImage(rect,size);

    rect.Move(-2,1);
    DrawImage(rect,size);
    rect.Move(0,1);
    DrawImage(rect,size);
    rect.Move(0,1);
    DrawImage(rect,size);
  } while ((long)(Strength--) > 0);

  EnableBlending(false);
  EnableTexture2D(false);

  glPopMatrix();
}
Esempio n. 2
0
void nuiDrawContext::DrawShape(nuiShape* pShape, nuiShapeMode Mode, float Quality)
{
  NGL_ASSERT(pShape != NULL);
  PushState();
  switch (Mode)
  {
  case eStrokeShape:
    {
      nuiRenderObject* pObject = pShape->Outline(Quality, mCurrentState.mLineWidth, mCurrentState.mLineJoin, mCurrentState.mLineCap);
      SetFillColor(GetStrokeColor());
      SetTexture(mpAATexture);
      EnableTexturing(true);
      EnableBlending(true);
      SetBlendFunc(nuiBlendTransp);//GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
      DrawObject(*pObject);
      delete pObject;
    }
    break;
  case eFillShape:
    {
      nuiTessellator* pTess = new nuiTessellator(pShape);
      pTess->SetFill(true);
      nuiRenderObject* pObject = pTess->Generate(Quality);
      DrawObject(*pObject);
      delete pObject;
      delete pTess;
    }
    break;
  case eStrokeAndFillShape:
    {
      {
        nuiRenderObject* pObject = pShape->Fill(Quality);
        DrawObject(*pObject);
        delete pObject;
      }

      {
        nuiRenderObject* pObject = pShape->Outline(Quality, mCurrentState.mLineWidth, mCurrentState.mLineJoin, mCurrentState.mLineCap);
        SetFillColor(GetStrokeColor());
        SetTexture(mpAATexture);
        EnableTexturing(true);
        EnableBlending(true);
        SetBlendFunc(nuiBlendTransp);//GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        DrawObject(*pObject);
        delete pObject;
      }
    }
    break;
  case eDefault: //?
    break;
  }
  PopState();
}
Esempio n. 3
0
void nuiGLDrawContext::DrawLine(float x1, float y1, float x2, float y2)
{
  if (mCurrentState.mAntialiasing && mPermitAntialising)
  {
    EnableTexture2D(true);
    EnableBlending(true);
    EnableAlphaTest(true);
    glBindTexture(GL_TEXTURE_2D, glAA_texture[0]);
    SetBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
    glAlphaFunc(GL_GREATER, 1.0f/255.0f);

    // texture init

    glMatrixMode(GL_TEXTURE);
    glLoadIdentity();
    glScalef(0.25/phf, 0.25/phf, 1.0);              // glAArg requires rectangle coordinate setup
    glMatrixMode(GL_MODELVIEW);

    glAALineWidth(mCurrentState.mLineWidth);

    glAABegin(GL_LINES);
    glAAColor4f(mCurrentState.mStrokeColor.Red(), mCurrentState.mStrokeColor.Green(), mCurrentState.mStrokeColor.Blue(), mCurrentState.mStrokeColor.Alpha());
    glAAVertex2f(x1, y1);
    glAAVertex2f(x2, y2);
    glAAEnd();

    glAAFlush();

    glMatrixMode(GL_TEXTURE);
    glLoadIdentity();
    glMatrixMode(GL_MODELVIEW);

    SetTexture(NULL);
    EnableTexture2D(false);
    EnableBlending(false);
    EnableAlphaTest(false);
  }
  else
  {
    mCurrentState.mStrokeColor.Apply();
    glBegin(GL_LINES);
    glVertex2f(x1,y1);
    glVertex2f(x2,y2);
    glEnd();
  }
}
Esempio n. 4
0
void TexturedLine::Render()
{
    if(!lineTexture) return;

    Vect lineDir = (pointB-pointA).Norm();

    float halfWidth = width*0.5f;

    Camera *viewCam = level->GetCurrentCamera();
    Vect camPos = viewCam->GetWorldPos();
    Vect crossLine;

    DepthWriteEnable(FALSE);
    EnableBlending(TRUE);

    if(lineTexture->HasAlpha())
        BlendFunction(GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA);
    else
        BlendFunction(GS_BLEND_ONE, GS_BLEND_ONE);

    LoadTexture(lineTexture);
    LoadDefault3DSampler();

    MatrixPush();
    MatrixTranslate(GetWorldPos());
    MatrixRotate(GetWorldRot());

        RenderStart();
            Vect endAdjust = (lineDir*halfWidth);
            Vect backEnd  = (pointA-endAdjust);
            Vect frontEnd = (pointB+endAdjust);

            Color(color);

            crossLine = (camPos-backEnd).Cross(lineDir).Norm() * halfWidth;
            Vertex(backEnd+crossLine);  TexCoord(1.0f, 0.0f);
            Vertex(backEnd-crossLine);  TexCoord(0.0f, 0.0f);

            crossLine = (camPos-pointA).Cross(lineDir).Norm() * halfWidth;
            Vertex(pointA+crossLine);   TexCoord(1.0f, 0.5f);
            Vertex(pointA-crossLine);   TexCoord(0.0f, 0.5f);

            crossLine = (camPos-pointB).Cross(lineDir).Norm() * halfWidth;
            Vertex(pointB+crossLine);   TexCoord(1.0f, 0.5f);
            Vertex(pointB-crossLine);   TexCoord(0.0f, 0.5f);

            crossLine = (camPos-frontEnd).Cross(lineDir).Norm() * halfWidth;
            Vertex(frontEnd+crossLine); TexCoord(1.0f, 1.0f);
            Vertex(frontEnd-crossLine); TexCoord(0.0f, 1.0f);
        RenderStop(GS_TRIANGLESTRIP);

    MatrixPop();

    LoadTexture(NULL);
}
/**
*  @brief
*    Constructor of SPK_PLLineTrailRenderer
*/
SPK_PLLineTrailRenderer::SPK_PLLineTrailRenderer(PLRenderer::Renderer &cRenderer) : SPK_PLRenderer(cRenderer),
	m_pSPK_PLBuffer(nullptr),
	m_nNumOfSamples(8),
	m_fWidth(1.0f),
	m_fDuration(1.0f),
	m_cColor(0.0f, 0.0f, 0.0f, 0.0f),
	m_pfVertexBuffer(nullptr),
	m_pfVertexIterator(nullptr),
	m_pfColorBuffer(nullptr),
	m_pfColorIterator(nullptr),
	m_pfValueBuffer(nullptr),
	m_pfValueIterator(nullptr)
{
	EnableBlending(true);
}
Esempio n. 6
0
void VideoEngine::DrawLine(float x1, float y1, float x2, float y2, float width, const Color& color)
{
    GLfloat vert_coords[] = {
        x1, y1,
        x2, y2
    };
    EnableBlending();
    DisableTexture2D();
    glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // Normal blending
    glPushAttrib(GL_LINE_WIDTH);

    glLineWidth(width);
    EnableVertexArray();
    DisableColorArray();
    DisableTextureCoordArray();
    glColor4fv((GLfloat *)color.GetColors());
    glVertexPointer(2, GL_FLOAT, 0, vert_coords);
    glDrawArrays(GL_LINES, 0, 2);

    glPopAttrib(); // GL_LINE_WIDTH
}
 void ProcessNaviMesh(Render2 *render, Scene::Node *node, System::Object* o)
 {
     if (!o)
         return;
     AI::NaviMesh *mesh = (AI::NaviMesh*)o;
     auto m_frame = render->GetCurrentFrame();
     if (m_frame->IsEnabledNaviMeshRendering())
     {
         if (mesh)
         {
             auto r = Gpu::AsRenderable(*mesh, m_frame->GetVideoDriver());
             m_frame->PushAllState();
             m_frame->EnableTexturing(false);
             m_frame->EnableLighting(false);
             m_frame->EnableBlending(true);
             m_frame->SetDiffuseColor(0, 0, 1.0, .5);
             m_frame->Submit(r, true);
             m_frame->PopAllState();
         }
     }
     render->ProcessChildren(node);
 }
Esempio n. 8
0
void nuiGLDrawContext::DrawShade (const nuiRect& rSourceRect, const nuiRect& rShadeRect)
{
  //  return;

  bool blending = mCurrentState.mBlending;
  GLenum blendfunc1,blendfunc2;
  blendfunc1 = mCurrentState.mBlendSourceFactor;
  blendfunc2 = mCurrentState.mBlendDestinationFactor;

  EnableBlending(true);
  SetBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

  nuiSize ShadeSize = rSourceRect.mLeft - rShadeRect.mLeft;

  // Left shadow
  uint8 pLUT[256*4];
  uint i;
  for (i = 0; i<256; i++)
  {
    pLUT[0+(i*4)] = 0;
    pLUT[1+(i*4)] = 0;
    pLUT[2+(i*4)] = 0;
    pLUT[3+(i*4)] = i;
  }

  EnableTexture2D(false);
  EnableTexture1D(true);

  glBindTexture(GL_TEXTURE_1D,0);
  glTexImage1D(GL_TEXTURE_1D, 0, GL_RGBA, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, pLUT);

  glTexParameteri(GL_TEXTURE_1D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
  glTexParameteri(GL_TEXTURE_1D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
  glTexParameteri(GL_TEXTURE_1D,GL_TEXTURE_WRAP_S,GL_CLAMP);
  glTexParameteri(GL_TEXTURE_1D,GL_TEXTURE_WRAP_T,GL_CLAMP);

  glTexEnvi(GL_TEXTURE_ENV,GL_TEXTURE_ENV_MODE,GL_MODULATE);

  glBegin(GL_QUADS);
  glColor4f(0,0,0,0);
  glTexCoord1f(0);
  glVertex2f(rSourceRect.mLeft-ShadeSize,rSourceRect.mTop);
  glTexCoord1f(1);
  glVertex2f(rSourceRect.mLeft,rSourceRect.mTop);
  glColor4f(0,0,0,SHADE_ALPHA);
  glTexCoord1f(1);
  glVertex2f(rSourceRect.mLeft,rSourceRect.mTop+ShadeSize);
  glTexCoord1f(0);
  glVertex2f(rSourceRect.mLeft-ShadeSize,rSourceRect.mTop+ShadeSize);
  glEnd();

  EnableTexture1D(false);

  glBegin(GL_QUADS);
  glColor4f(0,0,0,0);
  glVertex2f(rSourceRect.mLeft-ShadeSize,rSourceRect.mTop+ShadeSize);
  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mLeft,rSourceRect.mTop+ShadeSize);
  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mLeft,rSourceRect.mBottom);
  glColor4f(0,0,0,0);
  glVertex2f(rSourceRect.mLeft-ShadeSize,rSourceRect.mBottom);
  glEnd();

  // bottom shadow
  glBegin(GL_QUADS);
  glColor4f(0,0,0,0);
  glVertex2f(rSourceRect.mLeft,rSourceRect.mBottom+ShadeSize);
  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mLeft,rSourceRect.mBottom);
  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mRight,rSourceRect.mBottom);
  glColor4f(0,0,0,0);
  glVertex2f(rSourceRect.mRight,rSourceRect.mBottom+ShadeSize);
  glEnd();

  // Right shadow
  EnableTexture1D(true);
  glBegin(GL_QUADS);
  glColor4f(0,0,0,0);
  glTexCoord1f(1);
  glVertex2f(rSourceRect.mRight,rSourceRect.mTop);
  glTexCoord1f(0);
  glVertex2f(rSourceRect.mRight+ShadeSize,rSourceRect.mTop);
  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mRight+ShadeSize,rSourceRect.mTop+ShadeSize);
  glTexCoord1f(1);
  glVertex2f(rSourceRect.mRight,rSourceRect.mTop+ShadeSize);
  glEnd();   
  EnableTexture1D(false);


  glBegin(GL_QUADS);
  glColor4f(0,0,0,0);
  glVertex2f(rSourceRect.mRight+ShadeSize,rSourceRect.mTop+ShadeSize);
  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mRight,rSourceRect.mTop+ShadeSize);
  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mRight,rSourceRect.mBottom);
  glColor4f(0,0,0,0);
  glVertex2f(rSourceRect.mRight+ShadeSize,rSourceRect.mBottom);
  glEnd();


  EnableTexture1D(true);
  glBegin(GL_QUADS);

  // Right Corner
  glColor4f(0,0,0,SHADE_ALPHA);
  glTexCoord1f(1);
  glVertex2f(rSourceRect.mRight,rSourceRect.mBottom);

  glColor4f(0,0,0,0);
  glVertex2f(rSourceRect.mRight+ShadeSize,rSourceRect.mBottom);

  glColor4f(0,0,0,0);
  glTexCoord1f(0);
  glVertex2f(rSourceRect.mRight+ShadeSize,rSourceRect.mBottom+ShadeSize);

  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mRight,rSourceRect.mBottom+ShadeSize);

  // Left Corner:
  glColor4f(0,0,0,0);
  glTexCoord1f(1);
  glVertex2f(rSourceRect.mLeft-ShadeSize,rSourceRect.mBottom);

  glColor4f(0,0,0,SHADE_ALPHA);
  glVertex2f(rSourceRect.mLeft,rSourceRect.mBottom);

  glColor4f(0,0,0,SHADE_ALPHA);
  glTexCoord1f(0);
  glVertex2f(rSourceRect.mLeft,rSourceRect.mBottom+ShadeSize);

  glColor4f(0,0,0,0);
  glVertex2f(rSourceRect.mLeft-ShadeSize,rSourceRect.mBottom+ShadeSize);

  glEnd();
  EnableTexture1D(false);

  EnableBlending(blending);
  SetBlendFunc(blendfunc1, blendfunc2);
}
Esempio n. 9
0
void nuiGLDrawContext::DrawCachedShape(std::list<nuiShape::CacheElement*>* pElements, nuiShapeMode Mode)
{
  bool blend = mCurrentState.mBlending;
  uint func1,func2;
  bool tex2D;
  func1 = mCurrentState.mBlendSourceFactor;
  func2 = mCurrentState.mBlendDestinationFactor;
  tex2D = mCurrentState.mTexture2D;

  nuiColor c;

  if (Mode == eStrokeShape)
  {
    if (mCurrentState.mAntialiasing && mPermitAntialising)
    {
      EnableTexture2D(true);
      EnableBlending(true);
      EnableAlphaTest(true);
      glBindTexture(GL_TEXTURE_2D, glAA_texture[0]);
      SetBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
      glAlphaFunc(GL_GREATER, 1.0f/255.0f);

      // texture init

      glMatrixMode(GL_TEXTURE);
      glLoadIdentity();
      glScalef(0.25/phf, 0.25/phf, 1.0);              // glAArg requires rectangle coordinate setup
      glMatrixMode(GL_MODELVIEW);

      glAALineWidth(mCurrentState.mLineWidth);

      std::list<nuiShape::CacheElement*>::iterator it;
      std::list<nuiShape::CacheElement*>::iterator end = pElements->end();

      for (it = pElements->begin(); it != end; ++it)
      {
        nuiShape::CacheElement* pElement = *it;
        uint i = 0;

        switch (pElement->mOperation)
        {
        case GL_POINTS:
        case GL_LINES:
        case GL_LINE_LOOP:
        case GL_LINE_STRIP:
          c = mCurrentState.mStrokeColor;
          break;

        case GL_TRIANGLES:
        case GL_TRIANGLE_STRIP:
        case GL_TRIANGLE_FAN:
        case GL_QUADS:
        case GL_QUAD_STRIP:
        case GL_POLYGON:
          c = mCurrentState.mFillColor;
          break;
        }

        /*
        if (pElement->mCount > 16)
        glAADisable(GLAA_VERTEX_ARRAY); // we want VAR acceleration and we will handle flushing
        else
        glAAEnable(GLAA_VERTEX_ARRAY); // we want VAR acceleration and we will handle flushing
        */

        glAAColor4f(
          c.Red(),
          c.Green(),
          c.Blue(),
          c.Alpha()
          );
        glAABegin(pElement->mOperation);

        for (i = 0; i<pElement->mCount; i++)
        {
          nuiShape::CacheElement* pElement = *it;
          /*float* c = pElement->mpVertices[i].mColor; (unused) */
          float* coords = pElement->mpVertices[i].mCoord;
          glAAVertex2f(coords[0], coords[1]);
        }
        glAAEnd();
        glAAFlush();
      }

      glMatrixMode(GL_TEXTURE);
      glLoadIdentity();
      glMatrixMode(GL_MODELVIEW);

      SetTexture(NULL);
      EnableTexture2D(false);
      EnableBlending(false);
      EnableAlphaTest(false);
      return;
    }

    glLineWidth(mCurrentState.mLineWidth);
  }

  std::list<nuiShape::CacheElement*>::iterator it;
  std::list<nuiShape::CacheElement*>::iterator end = pElements->end();

  for (it = pElements->begin(); it != end; ++it)
  {
    nuiShape::CacheElement* pElement = *it;
    switch (pElement->mOperation)
    {
    case GL_POINTS:
    case GL_LINES:
    case GL_LINE_LOOP:
    case GL_LINE_STRIP:
      c = mCurrentState.mStrokeColor;
      break;

    case GL_TRIANGLES:
    case GL_TRIANGLE_STRIP:
    case GL_TRIANGLE_FAN:
    case GL_QUADS:
    case GL_QUAD_STRIP:
    case GL_POLYGON:
      c = mCurrentState.mFillColor;
      break;
    }
    glColor4f(
      c.Red(),
      c.Green(),
      c.Blue(),
      c.Alpha()
      );
    if (pElement->mCount <= NUI_COMPLEX_SHAPE_THRESHOLD)
    {
      uint i = 0;
      glBegin(pElement->mOperation);

      for (i = 0; i<pElement->mCount; i++)
      {
        nuiShape::CacheElement* pElement = *it;
        glVertex3fv(pElement->mpVertices[i].mCoord);
      }
      glEnd();
    }
    else
    {
      glVertexPointer(3,GL_FLOAT,sizeof(nuiShape::CacheElement::Vertex),pElement->mpVertices->mCoord);
      glEnableClientState(GL_VERTEX_ARRAY);
      glDrawArrays(pElement->mOperation, 0, pElement->mCount);
    }
  }

  //EnableLineSmooth(false);
  glDisable(GL_LINE_SMOOTH);
  SetBlendFunc(func1, func2);
  EnableTexture2D(tex2D);
  EnableBlending(blend);
}
Esempio n. 10
0
//todo: this function is an abomination, this is just disgusting.  fix it.
//...seriously, this is really, really horrible.  I mean this is amazingly bad.
void OBS::MainCaptureLoop()
{
    int curRenderTarget = 0, curYUVTexture = 0, curCopyTexture = 0;
    int copyWait = NUM_RENDER_BUFFERS-1;

    bSentHeaders = false;
    bFirstAudioPacket = true;

    bool bLogLongFramesProfile = GlobalConfig->GetInt(TEXT("General"), TEXT("LogLongFramesProfile"), LOGLONGFRAMESDEFAULT) != 0;
    float logLongFramesProfilePercentage = GlobalConfig->GetFloat(TEXT("General"), TEXT("LogLongFramesProfilePercentage"), 10.f);

    Vect2 baseSize    = Vect2(float(baseCX), float(baseCY));
    Vect2 outputSize  = Vect2(float(outputCX), float(outputCY));
    Vect2 scaleSize   = Vect2(float(scaleCX), float(scaleCY));

    HANDLE hMatrix   = yuvScalePixelShader->GetParameterByName(TEXT("yuvMat"));
    HANDLE hScaleVal = yuvScalePixelShader->GetParameterByName(TEXT("baseDimensionI"));

    //----------------------------------------
    // x264 input buffers

    int curOutBuffer = 0;

    bool bUsingQSV = videoEncoder->isQSV();//GlobalConfig->GetInt(TEXT("Video Encoding"), TEXT("UseQSV")) != 0;
    bUsing444 = false;

    EncoderPicture lastPic;
    EncoderPicture outPics[NUM_OUT_BUFFERS];

    for(int i=0; i<NUM_OUT_BUFFERS; i++)
    {
        if(bUsingQSV)
        {
            outPics[i].mfxOut = new mfxFrameSurface1;
            memset(outPics[i].mfxOut, 0, sizeof(mfxFrameSurface1));
            mfxFrameData& data = outPics[i].mfxOut->Data;
            videoEncoder->RequestBuffers(&data);
        }
        else
        {
            outPics[i].picOut = new x264_picture_t;
            x264_picture_init(outPics[i].picOut);
        }
    }

    if(bUsing444)
    {
        for(int i=0; i<NUM_OUT_BUFFERS; i++)
        {
            outPics[i].picOut->img.i_csp   = X264_CSP_BGRA; //although the x264 input says BGR, x264 actually will expect packed UYV
            outPics[i].picOut->img.i_plane = 1;
        }
    }
    else
    {
        if(!bUsingQSV)
            for(int i=0; i<NUM_OUT_BUFFERS; i++)
                x264_picture_alloc(outPics[i].picOut, X264_CSP_NV12, outputCX, outputCY);
    }

    int bCongestionControl = AppConfig->GetInt (TEXT("Video Encoding"), TEXT("CongestionControl"), 0);
    bool bDynamicBitrateSupported = App->GetVideoEncoder()->DynamicBitrateSupported();
    int defaultBitRate = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("MaxBitrate"), 1000);
    int currentBitRate = defaultBitRate;
    QWORD lastAdjustmentTime = 0;
    UINT adjustmentStreamId = 0;

    //std::unique_ptr<ProfilerNode> encodeThreadProfiler;

    //----------------------------------------
    // time/timestamp stuff

    bool bWasLaggedFrame = false;

    totalStreamTime = 0;
    lastAudioTimestamp = 0;

    //----------------------------------------
    // start audio capture streams

    desktopAudio->StartCapture();
    if(micAudio) micAudio->StartCapture();

    //----------------------------------------
    // status bar/statistics stuff

    DWORD fpsCounter = 0;

    int numLongFrames = 0;
    int numTotalFrames = 0;

    bytesPerSec = 0;
    captureFPS = 0;
    curFramesDropped = 0;
    curStrain = 0.0;
    PostMessage(hwndMain, OBS_UPDATESTATUSBAR, 0, 0);

    QWORD lastBytesSent[3] = {0, 0, 0};
    DWORD lastFramesDropped = 0;
    double bpsTime = 0.0;

    double lastStrain = 0.0f;
    DWORD numSecondsWaited = 0;

    //----------------------------------------
    // 444->420 thread data

    int numThreads = MAX(OSGetTotalCores()-2, 1);
    HANDLE *h420Threads = (HANDLE*)Allocate(sizeof(HANDLE)*numThreads);
    Convert444Data *convertInfo = (Convert444Data*)Allocate(sizeof(Convert444Data)*numThreads);

    zero(h420Threads, sizeof(HANDLE)*numThreads);
    zero(convertInfo, sizeof(Convert444Data)*numThreads);

    for(int i=0; i<numThreads; i++)
    {
        convertInfo[i].width  = outputCX;
        convertInfo[i].height = outputCY;
        convertInfo[i].hSignalConvert  = CreateEvent(NULL, FALSE, FALSE, NULL);
        convertInfo[i].hSignalComplete = CreateEvent(NULL, FALSE, FALSE, NULL);
        convertInfo[i].bNV12 = bUsingQSV;
        convertInfo[i].numThreads = numThreads;

        if(i == 0)
            convertInfo[i].startY = 0;
        else
            convertInfo[i].startY = convertInfo[i-1].endY;

        if(i == (numThreads-1))
            convertInfo[i].endY = outputCY;
        else
            convertInfo[i].endY = ((outputCY/numThreads)*(i+1)) & 0xFFFFFFFE;
    }

    bool bEncode;
    bool bFirstFrame = true;
    bool bFirstImage = true;
    bool bFirstEncode = true;
    bool bUseThreaded420 = bUseMultithreadedOptimizations && (OSGetTotalCores() > 1) && !bUsing444;

    List<HANDLE> completeEvents;

    if(bUseThreaded420)
    {
        for(int i=0; i<numThreads; i++)
        {
            h420Threads[i] = OSCreateThread((XTHREAD)Convert444Thread, convertInfo+i);
            completeEvents << convertInfo[i].hSignalComplete;
        }
    }

    //----------------------------------------

    QWORD streamTimeStart  = GetQPCTimeNS();
    QWORD lastStreamTime   = 0;
    QWORD firstFrameTimeMS = streamTimeStart/1000000;
    QWORD frameLengthNS    = 1000000000/fps;

    while(WaitForSingleObject(hVideoEvent, INFINITE) == WAIT_OBJECT_0)
    {
        if (bShutdownVideoThread)
            break;

        QWORD renderStartTime = GetQPCTimeNS();
        totalStreamTime = DWORD((renderStartTime-streamTimeStart)/1000000);

        bool bRenderView = !IsIconic(hwndMain) && bRenderViewEnabled;

        QWORD renderStartTimeMS = renderStartTime/1000000;

        QWORD curStreamTime = latestVideoTimeNS;
        if (!lastStreamTime)
            lastStreamTime = curStreamTime-frameLengthNS;
        QWORD frameDelta = curStreamTime-lastStreamTime;
        //if (!lastStreamTime)
        //    lastStreamTime = renderStartTime-frameLengthNS;
        //QWORD frameDelta = renderStartTime-lastStreamTime;
        double fSeconds = double(frameDelta)*0.000000001;
        //lastStreamTime = renderStartTime;

        bool bUpdateBPS = false;

        profileIn("video thread frame");

        //Log(TEXT("Stream Time: %llu"), curStreamTime);
        //Log(TEXT("frameDelta: %lf"), fSeconds);

        //------------------------------------

        if(bRequestKeyframe && keyframeWait > 0)
        {
            keyframeWait -= int(frameDelta);

            if(keyframeWait <= 0)
            {
                GetVideoEncoder()->RequestKeyframe();
                bRequestKeyframe = false;
            }
        }

        if(!pushToTalkDown && pushToTalkTimeLeft > 0)
        {
            pushToTalkTimeLeft -= int(frameDelta);
            OSDebugOut(TEXT("time left: %d\r\n"), pushToTalkTimeLeft);
            if(pushToTalkTimeLeft <= 0)
            {
                pushToTalkTimeLeft = 0;
                bPushToTalkOn = false;
            }
        }

        //------------------------------------

        OSEnterMutex(hSceneMutex);

        if (bPleaseEnableProjector)
            ActuallyEnableProjector();
        else if(bPleaseDisableProjector)
            DisableProjector();

        if(bResizeRenderView)
        {
            GS->ResizeView();
            bResizeRenderView = false;
        }

        //------------------------------------

        if(scene)
        {
            profileIn("scene->Preprocess");
            scene->Preprocess();

            for(UINT i=0; i<globalSources.Num(); i++)
                globalSources[i].source->Preprocess();

            profileOut;

            scene->Tick(float(fSeconds));

            for(UINT i=0; i<globalSources.Num(); i++)
                globalSources[i].source->Tick(float(fSeconds));
        }

        //------------------------------------

        QWORD curBytesSent = 0;
        
        if (network) {
            curBytesSent = network->GetCurrentSentBytes();
            curFramesDropped = network->NumDroppedFrames();
        } else if (numSecondsWaited) {
            //reset stats if the network disappears
            bytesPerSec = 0;
            bpsTime = 0;
            numSecondsWaited = 0;
            curBytesSent = 0;
            zero(lastBytesSent, sizeof(lastBytesSent));
        }

        bpsTime += fSeconds;
        if(bpsTime > 1.0f)
        {
            if(numSecondsWaited < 3)
                ++numSecondsWaited;

            //bytesPerSec = DWORD(curBytesSent - lastBytesSent);
            bytesPerSec = DWORD(curBytesSent - lastBytesSent[0]) / numSecondsWaited;

            if(bpsTime > 2.0)
                bpsTime = 0.0f;
            else
                bpsTime -= 1.0;

            if(numSecondsWaited == 3)
            {
                lastBytesSent[0] = lastBytesSent[1];
                lastBytesSent[1] = lastBytesSent[2];
                lastBytesSent[2] = curBytesSent;
            }
            else
                lastBytesSent[numSecondsWaited] = curBytesSent;

            captureFPS = fpsCounter;
            fpsCounter = 0;

            bUpdateBPS = true;
        }

        fpsCounter++;

        if(network) curStrain = network->GetPacketStrain();

        EnableBlending(TRUE);
        BlendFunction(GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA);

        //------------------------------------
        // render the mini render texture

        LoadVertexShader(mainVertexShader);
        LoadPixelShader(mainPixelShader);

        SetRenderTarget(mainRenderTextures[curRenderTarget]);

        Ortho(0.0f, baseSize.x, baseSize.y, 0.0f, -100.0f, 100.0f);
        SetViewport(0, 0, baseSize.x, baseSize.y);

        if(scene)
            scene->Render();

        //------------------------------------

        if(bTransitioning)
        {
            if(!transitionTexture)
            {
                transitionTexture = CreateTexture(baseCX, baseCY, GS_BGRA, NULL, FALSE, TRUE);
                if(transitionTexture)
                {
                    D3D10Texture *d3dTransitionTex = static_cast<D3D10Texture*>(transitionTexture);
                    D3D10Texture *d3dSceneTex = static_cast<D3D10Texture*>(mainRenderTextures[lastRenderTarget]);
                    GetD3D()->CopyResource(d3dTransitionTex->texture, d3dSceneTex->texture);
                }
                else
                    bTransitioning = false;
            }
            else if(transitionAlpha >= 1.0f)
            {
                delete transitionTexture;
                transitionTexture = NULL;

                bTransitioning = false;
            }
        }

        if(bTransitioning)
        {
            EnableBlending(TRUE);
            transitionAlpha += float(fSeconds)*5.0f;
            if(transitionAlpha > 1.0f)
                transitionAlpha = 1.0f;
        }
        else
            EnableBlending(FALSE);

        //------------------------------------
        // render the mini view thingy

        if (bProjector) {
            SetRenderTarget(projectorTexture);

            Vect2 renderFrameSize, renderFrameOffset;
            Vect2 projectorSize = Vect2(float(projectorWidth), float(projectorHeight));

            float projectorAspect = (projectorSize.x / projectorSize.y);
            float baseAspect = (baseSize.x / baseSize.y);

            if (projectorAspect < baseAspect) {
                float fProjectorWidth = float(projectorWidth);

                renderFrameSize   = Vect2(fProjectorWidth, fProjectorWidth / baseAspect);
                renderFrameOffset = Vect2(0.0f, (projectorSize.y-renderFrameSize.y) * 0.5f);
            } else {
                float fProjectorHeight = float(projectorHeight);

                renderFrameSize   = Vect2(fProjectorHeight * baseAspect, fProjectorHeight);
                renderFrameOffset = Vect2((projectorSize.x-renderFrameSize.x) * 0.5f, 0.0f);
            }

            DrawPreview(renderFrameSize, renderFrameOffset, projectorSize, curRenderTarget, Preview_Projector);

            SetRenderTarget(NULL);
        }

        if(bRenderView)
        {
            // Cache
            const Vect2 renderFrameSize = GetRenderFrameSize();
            const Vect2 renderFrameOffset = GetRenderFrameOffset();
            const Vect2 renderFrameCtrlSize = GetRenderFrameControlSize();

            SetRenderTarget(NULL);
            DrawPreview(renderFrameSize, renderFrameOffset, renderFrameCtrlSize, curRenderTarget,
                    bFullscreenMode ? Preview_Fullscreen : Preview_Standard);

            //draw selections if in edit mode
            if(bEditMode && !bSizeChanging)
            {
                if(scene) {
                    LoadVertexShader(solidVertexShader);
                    LoadPixelShader(solidPixelShader);
                    solidPixelShader->SetColor(solidPixelShader->GetParameter(0), 0xFF0000);
                    scene->RenderSelections(solidPixelShader);
                }
            }
        }
        else if(bForceRenderViewErase)
        {
            InvalidateRect(hwndRenderFrame, NULL, TRUE);
            UpdateWindow(hwndRenderFrame);
            bForceRenderViewErase = false;
        }

        //------------------------------------
        // actual stream output

        LoadVertexShader(mainVertexShader);
        LoadPixelShader(yuvScalePixelShader);

        Texture *yuvRenderTexture = yuvRenderTextures[curRenderTarget];
        SetRenderTarget(yuvRenderTexture);

        switch(colorDesc.matrix)
        {
        case ColorMatrix_GBR:
            yuvScalePixelShader->SetMatrix(hMatrix, colorDesc.fullRange ? (float*)yuvFullMat[0] : (float*)yuvMat[0]);
            break;
        case ColorMatrix_YCgCo:
            yuvScalePixelShader->SetMatrix(hMatrix, colorDesc.fullRange ? (float*)yuvFullMat[1] : (float*)yuvMat[1]);
            break;
        case ColorMatrix_BT2020NCL:
            yuvScalePixelShader->SetMatrix(hMatrix, colorDesc.fullRange ? (float*)yuvFullMat[2] : (float*)yuvMat[2]);
            break;
        case ColorMatrix_BT709:
            yuvScalePixelShader->SetMatrix(hMatrix, colorDesc.fullRange ? (float*)yuvFullMat[3] : (float*)yuvMat[3]);
            break;
        case ColorMatrix_SMPTE240M:
            yuvScalePixelShader->SetMatrix(hMatrix, colorDesc.fullRange ? (float*)yuvFullMat[4] : (float*)yuvMat[4]);
            break;
        default:
            yuvScalePixelShader->SetMatrix(hMatrix, colorDesc.fullRange ? (float*)yuvFullMat[5] : (float*)yuvMat[5]);
        }

        if(downscale < 2.01)
            yuvScalePixelShader->SetVector2(hScaleVal, 1.0f/baseSize);
        else if(downscale < 3.01)
            yuvScalePixelShader->SetVector2(hScaleVal, 1.0f/(outputSize*3.0f));

        Ortho(0.0f, outputSize.x, outputSize.y, 0.0f, -100.0f, 100.0f);
        SetViewport(0.0f, 0.0f, outputSize.x, outputSize.y);

        //why am I using scaleSize instead of outputSize for the texture?
        //because outputSize can be trimmed by up to three pixels due to 128-bit alignment.
        //using the scale function with outputSize can cause slightly inaccurate scaled images
        if(bTransitioning)
        {
            BlendFunction(GS_BLEND_ONE, GS_BLEND_ZERO);
            DrawSpriteEx(transitionTexture, 0xFFFFFFFF, 0.0f, 0.0f, scaleSize.x, scaleSize.y, 0.0f, 0.0f, 1.0f, 1.0f);
            BlendFunction(GS_BLEND_FACTOR, GS_BLEND_INVFACTOR, transitionAlpha);
        }

        DrawSpriteEx(mainRenderTextures[curRenderTarget], 0xFFFFFFFF, 0.0f, 0.0f, outputSize.x, outputSize.y, 0.0f, 0.0f, 1.0f, 1.0f);

        //------------------------------------

        if (bProjector && !copyWait)
            projectorSwap->Present(0, 0);

        if(bRenderView && !copyWait)
            static_cast<D3D10System*>(GS)->swap->Present(0, 0);

        OSLeaveMutex(hSceneMutex);

        //------------------------------------
        // present/upload

        profileIn("GPU download and conversion");

        bEncode = true;

        if(copyWait)
        {
            copyWait--;
            bEncode = false;
        }
        else
        {
            //audio sometimes takes a bit to start -- do not start processing frames until audio has started capturing
            if(!bRecievedFirstAudioFrame)
            {
                static bool bWarnedAboutNoAudio = false;
                if (renderStartTimeMS-firstFrameTimeMS > 10000 && !bWarnedAboutNoAudio)
                {
                    bWarnedAboutNoAudio = true;
                    //AddStreamInfo (TEXT ("WARNING: OBS is not receiving audio frames. Please check your audio devices."), StreamInfoPriority_Critical); 
                }
                bEncode = false;
            }
            else if(bFirstFrame)
            {
                firstFrameTimestamp = lastStreamTime/1000000;
                bFirstFrame = false;
            }

            if(!bEncode)
            {
                if(curYUVTexture == (NUM_RENDER_BUFFERS-1))
                    curYUVTexture = 0;
                else
                    curYUVTexture++;
            }
        }

        lastStreamTime = curStreamTime;

        if(bEncode)
        {
            UINT prevCopyTexture = (curCopyTexture == 0) ? NUM_RENDER_BUFFERS-1 : curCopyTexture-1;

            ID3D10Texture2D *copyTexture = copyTextures[curCopyTexture];
            profileIn("CopyResource");

            if(!bFirstEncode && bUseThreaded420)
            {
                WaitForMultipleObjects(completeEvents.Num(), completeEvents.Array(), TRUE, INFINITE);
                copyTexture->Unmap(0);
            }

            D3D10Texture *d3dYUV = static_cast<D3D10Texture*>(yuvRenderTextures[curYUVTexture]);
            GetD3D()->CopyResource(copyTexture, d3dYUV->texture);
            profileOut;

            ID3D10Texture2D *prevTexture = copyTextures[prevCopyTexture];

            if(bFirstImage) //ignore the first frame
                bFirstImage = false;
            else
            {
                HRESULT result;
                D3D10_MAPPED_TEXTURE2D map;
                if(SUCCEEDED(result = prevTexture->Map(0, D3D10_MAP_READ, 0, &map)))
                {
                    int prevOutBuffer = (curOutBuffer == 0) ? NUM_OUT_BUFFERS-1 : curOutBuffer-1;
                    int nextOutBuffer = (curOutBuffer == NUM_OUT_BUFFERS-1) ? 0 : curOutBuffer+1;

                    EncoderPicture &prevPicOut = outPics[prevOutBuffer];
                    EncoderPicture &picOut = outPics[curOutBuffer];
                    EncoderPicture &nextPicOut = outPics[nextOutBuffer];

                    if(!bUsing444)
                    {
                        profileIn("conversion to 4:2:0");

                        if(bUseThreaded420)
                        {
                            for(int i=0; i<numThreads; i++)
                            {
                                convertInfo[i].input     = (LPBYTE)map.pData;
                                convertInfo[i].inPitch   = map.RowPitch;
                                if(bUsingQSV)
                                {
                                    mfxFrameData& data = nextPicOut.mfxOut->Data;
                                    videoEncoder->RequestBuffers(&data);
                                    convertInfo[i].outPitch  = data.Pitch;
                                    convertInfo[i].output[0] = data.Y;
                                    convertInfo[i].output[1] = data.UV;
                                }
                                else
                                {
                                    convertInfo[i].output[0] = nextPicOut.picOut->img.plane[0];
                                    convertInfo[i].output[1] = nextPicOut.picOut->img.plane[1];
                                    convertInfo[i].output[2] = nextPicOut.picOut->img.plane[2];
								}
                                SetEvent(convertInfo[i].hSignalConvert);
                            }

                            if(bFirstEncode)
                                bFirstEncode = bEncode = false;
                        }
                        else
                        {
                            if(bUsingQSV)
                            {
                                mfxFrameData& data = picOut.mfxOut->Data;
                                videoEncoder->RequestBuffers(&data);
                                LPBYTE output[] = {data.Y, data.UV};
                                Convert444toNV12((LPBYTE)map.pData, outputCX, map.RowPitch, data.Pitch, outputCY, 0, outputCY, output);
                            }
                            else
                                Convert444toNV12((LPBYTE)map.pData, outputCX, map.RowPitch, outputCX, outputCY, 0, outputCY, picOut.picOut->img.plane);
                            prevTexture->Unmap(0);
                        }

                        profileOut;
                    }

                    if(bEncode)
                    {
                        //encodeThreadProfiler.reset(::new ProfilerNode(TEXT("EncodeThread"), true));
                        //encodeThreadProfiler->MonitorThread(hEncodeThread);
                        curFramePic = &picOut;
                    }

                    curOutBuffer = nextOutBuffer;
                }
                else
                {
                    //We have to crash, or we end up deadlocking the thread when the convert threads are never signalled
                    if (result == DXGI_ERROR_DEVICE_REMOVED)
                    {
                        String message;

                        HRESULT reason = GetD3D()->GetDeviceRemovedReason();

                        switch (reason)
                        {
                        case DXGI_ERROR_DEVICE_RESET:
                        case DXGI_ERROR_DEVICE_HUNG:
                            message = TEXT("Your video card or driver froze and was reset. Please check for possible hardware / driver issues.");
                            break;
                        case DXGI_ERROR_DEVICE_REMOVED:
                            message = TEXT("Your video card disappeared from the system. Please check for possible hardware / driver issues.");
                            break;
                        case DXGI_ERROR_DRIVER_INTERNAL_ERROR:
                            message = TEXT("Your video driver reported an internal error. Please check for possible hardware / driver issues.");
                            break;
                        case DXGI_ERROR_INVALID_CALL:
                            message = TEXT("Your video driver reported an invalid call. Please check for possible driver issues.");
                            break;
                        default:
                            message = TEXT("DXGI_ERROR_DEVICE_REMOVED");
                            break;
                        }

                        message << TEXT(" This error can also occur if you have enabled opencl in x264 custom settings.");

                        CrashError (TEXT("Texture->Map failed: 0x%08x 0x%08x\r\n\r\n%s"), result, reason, message.Array());
                    }
                    else
                        CrashError (TEXT("Texture->Map failed: 0x%08x"), result);
                }
            }

            if(curCopyTexture == (NUM_RENDER_BUFFERS-1))
                curCopyTexture = 0;
            else
                curCopyTexture++;

            if(curYUVTexture == (NUM_RENDER_BUFFERS-1))
                curYUVTexture = 0;
            else
                curYUVTexture++;

            if (bCongestionControl && bDynamicBitrateSupported && !bTestStream && totalStreamTime > 15000)
            {
                if (curStrain > 25)
                {
                    if (renderStartTimeMS - lastAdjustmentTime > 1500)
                    {
                        if (currentBitRate > 100)
                        {
                            currentBitRate = (int)(currentBitRate * (1.0 - (curStrain / 400)));
                            App->GetVideoEncoder()->SetBitRate(currentBitRate, -1);
                            if (!adjustmentStreamId)
                                adjustmentStreamId = App->AddStreamInfo (FormattedString(TEXT("Congestion detected, dropping bitrate to %d kbps"), currentBitRate).Array(), StreamInfoPriority_Low);
                            else
                                App->SetStreamInfo(adjustmentStreamId, FormattedString(TEXT("Congestion detected, dropping bitrate to %d kbps"), currentBitRate).Array());

                            bUpdateBPS = true;
                        }

                        lastAdjustmentTime = renderStartTimeMS;
                    }
                }
                else if (currentBitRate < defaultBitRate && curStrain < 5 && lastStrain < 5)
                {
                    if (renderStartTimeMS - lastAdjustmentTime > 5000)
                    {
                        if (currentBitRate < defaultBitRate)
                        {
                            currentBitRate += (int)(defaultBitRate * 0.05);
                            if (currentBitRate > defaultBitRate)
                                currentBitRate = defaultBitRate;
                        }

                        App->GetVideoEncoder()->SetBitRate(currentBitRate, -1);
                        /*if (!adjustmentStreamId)
                            App->AddStreamInfo (FormattedString(TEXT("Congestion clearing, raising bitrate to %d kbps"), currentBitRate).Array(), StreamInfoPriority_Low);
                        else
                            App->SetStreamInfo(adjustmentStreamId, FormattedString(TEXT("Congestion clearing, raising bitrate to %d kbps"), currentBitRate).Array());*/

                        App->RemoveStreamInfo(adjustmentStreamId);
                        adjustmentStreamId = 0;

                        bUpdateBPS = true;

                        lastAdjustmentTime = renderStartTimeMS;
                    }
                }
            }
        }

        lastRenderTarget = curRenderTarget;

        if(curRenderTarget == (NUM_RENDER_BUFFERS-1))
            curRenderTarget = 0;
        else
            curRenderTarget++;

        if(bUpdateBPS || !CloseDouble(curStrain, lastStrain) || curFramesDropped != lastFramesDropped)
        {
            PostMessage(hwndMain, OBS_UPDATESTATUSBAR, 0, 0);
            lastStrain = curStrain;

            lastFramesDropped = curFramesDropped;
        }

        //------------------------------------
        // we're about to sleep so we should flush the d3d command queue
        profileIn("flush");
        GetD3D()->Flush();
        profileOut;
        profileOut;
        profileOut; //frame

        //------------------------------------
        // frame sync

        //QWORD renderStopTime = GetQPCTimeNS();

        if(bWasLaggedFrame = (frameDelta > frameLengthNS))
        {
            numLongFrames++;
            if(bLogLongFramesProfile && (numLongFrames/float(max(1, numTotalFrames)) * 100.) > logLongFramesProfilePercentage)
                DumpLastProfileData();
        }

        //OSDebugOut(TEXT("Frame adjust time: %d, "), frameTimeAdjust-totalTime);

        numTotalFrames++;
    }

    DisableProjector();

    //encodeThreadProfiler.reset();

    if(!bUsing444)
    {
        if(bUseThreaded420)
        {
            for(int i=0; i<numThreads; i++)
            {
                if(h420Threads[i])
                {
                    convertInfo[i].bKillThread = true;
                    SetEvent(convertInfo[i].hSignalConvert);

                    OSTerminateThread(h420Threads[i], 10000);
                    h420Threads[i] = NULL;
                }

                if(convertInfo[i].hSignalConvert)
                {
                    CloseHandle(convertInfo[i].hSignalConvert);
                    convertInfo[i].hSignalConvert = NULL;
                }

                if(convertInfo[i].hSignalComplete)
                {
                    CloseHandle(convertInfo[i].hSignalComplete);
                    convertInfo[i].hSignalComplete = NULL;
                }
            }

            if(!bFirstEncode)
            {
                ID3D10Texture2D *copyTexture = copyTextures[curCopyTexture];
                copyTexture->Unmap(0);
            }
        }

        if(bUsingQSV)
            for(int i = 0; i < NUM_OUT_BUFFERS; i++)
                delete outPics[i].mfxOut;
        else
            for(int i=0; i<NUM_OUT_BUFFERS; i++)
            {
                x264_picture_clean(outPics[i].picOut);
                delete outPics[i].picOut;
            }
    }

    Free(h420Threads);
    Free(convertInfo);

    Log(TEXT("Total frames rendered: %d, number of late frames: %d (%0.2f%%) (it's okay for some frames to be late)"), numTotalFrames, numLongFrames, (numTotalFrames > 0) ? (double(numLongFrames)/double(numTotalFrames))*100.0 : 0.0f);
}
Esempio n. 11
0
void nuiDrawContext::DrawShade(const nuiRect& rSourceRect, const nuiRect& rShadeRect, const nuiColor& rTint)
{
  bool texturing = mCurrentState.mTexturing;
  bool blending = mCurrentState.mBlending;
  nuiBlendFunc blendfunc;
  blendfunc = mCurrentState.mBlendFunc;

  if (!blending)
    EnableBlending(true);
  if (blendfunc != nuiBlendTransp)
    SetBlendFunc(nuiBlendTransp);

  nuiSize ShadeSize = rSourceRect.mLeft - rShadeRect.mLeft;

  nuiTexture* pShade = ::nuiTexture::GetTexture(nglString(_T("NUI_Shade_LUT")));

  if (!pShade)
  {
    // Left shadow
    const uint32 size = 16;
    uint8 pLUT[size * 4];
    uint i;
    for (i = 0; i<size; i++)
    {
      pLUT[0+(i*4)] = 0;
      pLUT[1+(i*4)] = 0;
      pLUT[2+(i*4)] = 0;
      float p = (float)i * (255.0f / (float)size);
      pLUT[3+(i*4)] = ToBelow(p);
    }

    nglImageInfo info(false);
    info.mBitDepth = 32;
    info.mBufferFormat = eImageFormatRaw;
    info.mBytesPerLine = size * 4;
    info.mBytesPerPixel = 4;
    info.mHeight = 1;
    info.mWidth = size;
    info.mpBuffer = (char*)pLUT;
    info.mPixelFormat = eImagePixelRGBA;

    pShade = nuiTexture::GetTexture(info, true);
    pShade->SetSource(_T("NUI_Shade_LUT"));

    NGL_ASSERT(pShade);

    pShade->SetMinFilter(GL_LINEAR);
    pShade->SetMagFilter(GL_LINEAR);
#ifndef _OPENGL_ES_
    pShade->SetWrapS(GL_CLAMP);
    pShade->SetWrapT(GL_CLAMP);
#else
    pShade->SetWrapS(GL_CLAMP_TO_EDGE);
    pShade->SetWrapT(GL_CLAMP_TO_EDGE);  
#endif
    pShade->SetEnvMode(GL_MODULATE);
  }

  nuiColor transp(rTint);
  nuiColor opaque(rTint);
  transp.Multiply(0.0f);
  opaque.Multiply(SHADE_ALPHA);

  if (!texturing)
    EnableTexturing(true);
  
  SetTexture(pShade);

  nuiRenderArray* pArray = new nuiRenderArray(GL_TRIANGLES);
  pArray->EnableArray(nuiRenderArray::eVertex);
  pArray->EnableArray(nuiRenderArray::eColor);
  pArray->EnableArray(nuiRenderArray::eTexCoord);
  pArray->Reserve(42);

  // Top Left:
  pArray->SetColor(transp);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mTop);
  pArray->PushVertex();

  pArray->SetColor(transp);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mTop);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  ///
  pArray->SetColor(transp);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mTop);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  pArray->SetTexCoords(0, 0);
  pArray->SetColor(opaque);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  // Left
  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mBottom);
  pArray->PushVertex();

  ///
  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mBottom);
  pArray->PushVertex();

  // Left Corner:
  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(transp);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  ///
  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(transp);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  pArray->SetColor(transp);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft-ShadeSize,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  // bottom shadow
  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  ///
  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mLeft,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  // Right Corner
  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(transp);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  ///
  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(transp);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  pArray->SetColor(transp);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mBottom+ShadeSize);
  pArray->PushVertex();

  // Right
  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();
  
  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();
  
  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mBottom);
  pArray->PushVertex();

  ///
  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mBottom);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mBottom);
  pArray->PushVertex();

  // Top Right
  pArray->SetColor(transp);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mTop);
  pArray->PushVertex();

  pArray->SetColor(transp);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mTop);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  ///
  pArray->SetColor(transp);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mTop);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(0, 0);
  pArray->SetVertex(rSourceRect.mRight+ShadeSize,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();

  pArray->SetColor(opaque);
  pArray->SetTexCoords(1, 0);
  pArray->SetVertex(rSourceRect.mRight,rSourceRect.mTop+ShadeSize);
  pArray->PushVertex();


  DrawArray(pArray);

  if (!texturing)
    EnableTexturing(false);

  if (!blending)
    EnableBlending(blending);
  
  if (blendfunc != nuiBlendTransp)
    SetBlendFunc(blendfunc);
}
Esempio n. 12
0
//todo: this function is an abomination, this is just disgusting.  fix it.
//...seriously, this is really, really horrible.  I mean this is amazingly bad.
void OBS::MainCaptureLoop()
{
    int curRenderTarget = 0, curYUVTexture = 0, curCopyTexture = 0;
    int copyWait = NUM_RENDER_BUFFERS-1;

    bSentHeaders = false;
    bFirstAudioPacket = true;

    bool bLogLongFramesProfile = GlobalConfig->GetInt(TEXT("General"), TEXT("LogLongFramesProfile"), LOGLONGFRAMESDEFAULT) != 0;
    float logLongFramesProfilePercentage = GlobalConfig->GetFloat(TEXT("General"), TEXT("LogLongFramesProfilePercentage"), 10.f);

    Vect2 baseSize    = Vect2(float(baseCX), float(baseCY));
    Vect2 outputSize  = Vect2(float(outputCX), float(outputCY));
    Vect2 scaleSize   = Vect2(float(scaleCX), float(scaleCY));

    HANDLE hScaleVal = yuvScalePixelShader->GetParameterByName(TEXT("baseDimensionI"));

    //----------------------------------------
    // x264 input buffers

    int curOutBuffer = 0;

    bool bUsingQSV = videoEncoder->isQSV();//GlobalConfig->GetInt(TEXT("Video Encoding"), TEXT("UseQSV")) != 0;
    if(bUsingQSV)
        bUsing444 = false;

    EncoderPicture lastPic;
    EncoderPicture outPics[NUM_OUT_BUFFERS];
    DWORD outTimes[NUM_OUT_BUFFERS] = {0, 0, 0};

    for(int i=0; i<NUM_OUT_BUFFERS; i++)
    {
        if(bUsingQSV)
        {
            outPics[i].mfxOut = new mfxFrameSurface1;
            memset(outPics[i].mfxOut, 0, sizeof(mfxFrameSurface1));
            mfxFrameData& data = outPics[i].mfxOut->Data;
            videoEncoder->RequestBuffers(&data);
        }
        else
        {
            outPics[i].picOut = new x264_picture_t;
            x264_picture_init(outPics[i].picOut);
        }
    }

    if(bUsing444)
    {
        for(int i=0; i<NUM_OUT_BUFFERS; i++)
        {
            outPics[i].picOut->img.i_csp   = X264_CSP_BGRA; //although the x264 input says BGR, x264 actually will expect packed UYV
            outPics[i].picOut->img.i_plane = 1;
        }
    }
    else
    {
        if(!bUsingQSV)
            for(int i=0; i<NUM_OUT_BUFFERS; i++)
                x264_picture_alloc(outPics[i].picOut, X264_CSP_NV12, outputCX, outputCY);
    }

    int bCongestionControl = AppConfig->GetInt (TEXT("Video Encoding"), TEXT("CongestionControl"), 0);
    bool bDynamicBitrateSupported = App->GetVideoEncoder()->DynamicBitrateSupported();
    int defaultBitRate = AppConfig->GetInt(TEXT("Video Encoding"), TEXT("MaxBitrate"), 1000);
    int currentBitRate = defaultBitRate;
    QWORD lastAdjustmentTime = 0;
    UINT adjustmentStreamId = 0;

    //----------------------------------------
    // time/timestamp stuff

    bufferedTimes.Clear();
    ctsOffsets.Clear();
    int bufferedFrames = 1; //to avoid constantly polling number of frames

#ifdef USE_100NS_TIME
    QWORD streamTimeStart = GetQPCTime100NS();
    QWORD frameTime100ns = 10000000/fps;

    QWORD sleepTargetTime = 0;
    bool bWasLaggedFrame = false;
#else
    DWORD streamTimeStart = OSGetTime();
    DWORD fpsTimeAdjust = 0;
#endif
    totalStreamTime = 0;

    lastAudioTimestamp = 0;

    latestVideoTime = firstSceneTimestamp = GetQPCTimeMS();

    DWORD fpsTimeNumerator = 1000-(frameTime*fps);
    DWORD fpsTimeDenominator = fps;
    DWORD cfrTime = 0;
    DWORD cfrTimeAdjust = 0;

    //----------------------------------------
    // start audio capture streams

    desktopAudio->StartCapture();
    if(micAudio) micAudio->StartCapture();

    //----------------------------------------
    // status bar/statistics stuff

    DWORD fpsCounter = 0;

    int numLongFrames = 0;
    int numTotalFrames = 0;

    int numTotalDuplicatedFrames = 0;

    bytesPerSec = 0;
    captureFPS = 0;
    curFramesDropped = 0;
    curStrain = 0.0;
    PostMessage(hwndMain, OBS_UPDATESTATUSBAR, 0, 0);

    QWORD lastBytesSent[3] = {0, 0, 0};
    DWORD lastFramesDropped = 0;
#ifdef USE_100NS_TIME
    double bpsTime = 0.0;
#else
    float bpsTime = 0.0f;
#endif
    double lastStrain = 0.0f;
    DWORD numSecondsWaited = 0;

    //----------------------------------------
    // 444->420 thread data

    int numThreads = MAX(OSGetTotalCores()-2, 1);
    HANDLE *h420Threads = (HANDLE*)Allocate(sizeof(HANDLE)*numThreads);
    Convert444Data *convertInfo = (Convert444Data*)Allocate(sizeof(Convert444Data)*numThreads);

    zero(h420Threads, sizeof(HANDLE)*numThreads);
    zero(convertInfo, sizeof(Convert444Data)*numThreads);

    for(int i=0; i<numThreads; i++)
    {
        convertInfo[i].width  = outputCX;
        convertInfo[i].height = outputCY;
        convertInfo[i].hSignalConvert  = CreateEvent(NULL, FALSE, FALSE, NULL);
        convertInfo[i].hSignalComplete = CreateEvent(NULL, FALSE, FALSE, NULL);
        convertInfo[i].bNV12 = bUsingQSV;

        if(i == 0)
            convertInfo[i].startY = 0;
        else
            convertInfo[i].startY = convertInfo[i-1].endY;

        if(i == (numThreads-1))
            convertInfo[i].endY = outputCY;
        else
            convertInfo[i].endY = ((outputCY/numThreads)*(i+1)) & 0xFFFFFFFE;
    }

    bool bFirstFrame = true;
    bool bFirstImage = true;
    bool bFirst420Encode = true;
    bool bUseThreaded420 = bUseMultithreadedOptimizations && (OSGetTotalCores() > 1) && !bUsing444;

    List<HANDLE> completeEvents;

    if(bUseThreaded420)
    {
        for(int i=0; i<numThreads; i++)
        {
            h420Threads[i] = OSCreateThread((XTHREAD)Convert444Thread, convertInfo+i);
            completeEvents << convertInfo[i].hSignalComplete;
        }
    }

    //----------------------------------------

    QWORD curStreamTime = 0, lastStreamTime, firstFrameTime = GetQPCTimeMS();

#ifdef USE_100NS_TIME
    lastStreamTime = GetQPCTime100NS()-frameTime100ns;
#else
    lastStreamTime = firstFrameTime-frameTime;
#endif

    //bool bFirstAudioPacket = true;

    List<ProfilerNode> threadedProfilers;
    bool bUsingThreadedProfilers = false;

    while(bRunning || bufferedFrames)
    {
#ifdef USE_100NS_TIME
        QWORD renderStartTime = GetQPCTime100NS();
        totalStreamTime = DWORD((renderStartTime-streamTimeStart)/10000);

        if(sleepTargetTime == 0 || bWasLaggedFrame)
            sleepTargetTime = renderStartTime;
#else
        DWORD renderStartTime = OSGetTime();
        totalStreamTime = renderStartTime-streamTimeStart;

        DWORD frameTimeAdjust = frameTime;
        fpsTimeAdjust += fpsTimeNumerator;
        if(fpsTimeAdjust > fpsTimeDenominator)
        {
            fpsTimeAdjust -= fpsTimeDenominator;
            ++frameTimeAdjust;
        }
#endif

        bool bRenderView = !IsIconic(hwndMain) && bRenderViewEnabled;

        profileIn("frame");

#ifdef USE_100NS_TIME
        QWORD qwTime = renderStartTime/10000;
        latestVideoTime = qwTime;

        QWORD frameDelta = renderStartTime-lastStreamTime;
        double fSeconds = double(frameDelta)*0.0000001;

        //Log(TEXT("frameDelta: %f"), fSeconds);

        lastStreamTime = renderStartTime;
#else
        QWORD qwTime = GetQPCTimeMS();
        latestVideoTime = qwTime;

        QWORD frameDelta = qwTime-lastStreamTime;
        float fSeconds = float(frameDelta)*0.001f;

        //Log(TEXT("frameDelta: %llu"), frameDelta);

        lastStreamTime = qwTime;
#endif

        bool bUpdateBPS = false;
        profileIn("frame preprocessing and rendering");

        //------------------------------------

        if(bRequestKeyframe && keyframeWait > 0)
        {
            keyframeWait -= int(frameDelta);

            if(keyframeWait <= 0)
            {
                GetVideoEncoder()->RequestKeyframe();
                bRequestKeyframe = false;
            }
        }

        if(!bPushToTalkDown && pushToTalkTimeLeft > 0)
        {
            pushToTalkTimeLeft -= int(frameDelta);
            OSDebugOut(TEXT("time left: %d\r\n"), pushToTalkTimeLeft);
            if(pushToTalkTimeLeft <= 0)
            {
                pushToTalkTimeLeft = 0;
                bPushToTalkOn = false;
            }
        }

        //------------------------------------

        OSEnterMutex(hSceneMutex);

        if(bResizeRenderView)
        {
            GS->ResizeView();
            bResizeRenderView = false;
        }

        //------------------------------------

        if(scene)
        {
            profileIn("scene->Preprocess");
            scene->Preprocess();

            for(UINT i=0; i<globalSources.Num(); i++)
                globalSources[i].source->Preprocess();

            profileOut;

            scene->Tick(float(fSeconds));

            for(UINT i=0; i<globalSources.Num(); i++)
                globalSources[i].source->Tick(float(fSeconds));
        }

        //------------------------------------

        QWORD curBytesSent = network->GetCurrentSentBytes();
        curFramesDropped = network->NumDroppedFrames();

        bpsTime += fSeconds;
        if(bpsTime > 1.0f)
        {
            if(numSecondsWaited < 3)
                ++numSecondsWaited;

            //bytesPerSec = DWORD(curBytesSent - lastBytesSent);
            bytesPerSec = DWORD(curBytesSent - lastBytesSent[0]) / numSecondsWaited;

            if(bpsTime > 2.0)
                bpsTime = 0.0f;
            else
                bpsTime -= 1.0;

            if(numSecondsWaited == 3)
            {
                lastBytesSent[0] = lastBytesSent[1];
                lastBytesSent[1] = lastBytesSent[2];
                lastBytesSent[2] = curBytesSent;
            }
            else
                lastBytesSent[numSecondsWaited] = curBytesSent;

            captureFPS = fpsCounter;
            fpsCounter = 0;

            bUpdateBPS = true;
        }

        fpsCounter++;

        curStrain = network->GetPacketStrain();

        EnableBlending(TRUE);
        BlendFunction(GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA);

        //------------------------------------
        // render the mini render texture

        LoadVertexShader(mainVertexShader);
        LoadPixelShader(mainPixelShader);

        SetRenderTarget(mainRenderTextures[curRenderTarget]);

        Ortho(0.0f, baseSize.x, baseSize.y, 0.0f, -100.0f, 100.0f);
        SetViewport(0, 0, baseSize.x, baseSize.y);

        if(scene)
            scene->Render();

        //------------------------------------

        if(bTransitioning)
        {
            if(!transitionTexture)
            {
                transitionTexture = CreateTexture(baseCX, baseCY, GS_BGRA, NULL, FALSE, TRUE);
                if(transitionTexture)
                {
                    D3D10Texture *d3dTransitionTex = static_cast<D3D10Texture*>(transitionTexture);
                    D3D10Texture *d3dSceneTex = static_cast<D3D10Texture*>(mainRenderTextures[lastRenderTarget]);
                    GetD3D()->CopyResource(d3dTransitionTex->texture, d3dSceneTex->texture);
                }
                else
                    bTransitioning = false;
            }
            else if(transitionAlpha >= 1.0f)
            {
                delete transitionTexture;
                transitionTexture = NULL;

                bTransitioning = false;
            }
        }

        if(bTransitioning)
        {
            EnableBlending(TRUE);
            transitionAlpha += float(fSeconds)*5.0f;
            if(transitionAlpha > 1.0f)
                transitionAlpha = 1.0f;
        }
        else
            EnableBlending(FALSE);

        //------------------------------------
        // render the mini view thingy

        if(bRenderView)
        {
            // Cache
            const Vect2 renderFrameSize = GetRenderFrameSize();
            const Vect2 renderFrameOffset = GetRenderFrameOffset();
            const Vect2 renderFrameCtrlSize = GetRenderFrameControlSize();

            SetRenderTarget(NULL);

            LoadVertexShader(mainVertexShader);
            LoadPixelShader(mainPixelShader);

            Ortho(0.0f, renderFrameCtrlSize.x, renderFrameCtrlSize.y, 0.0f, -100.0f, 100.0f);
            if(renderFrameCtrlSize.x != oldRenderFrameCtrlWidth || renderFrameCtrlSize.y != oldRenderFrameCtrlHeight)
            {
                // User is drag resizing the window. We don't recreate the swap chains so our coordinates are wrong
                SetViewport(0.0f, 0.0f, (float)oldRenderFrameCtrlWidth, (float)oldRenderFrameCtrlHeight);
            }
            else
                SetViewport(0.0f, 0.0f, renderFrameCtrlSize.x, renderFrameCtrlSize.y);

            // Draw background (Black if fullscreen, window colour otherwise)
            if(bFullscreenMode)
                ClearColorBuffer(0x000000);
            else
                ClearColorBuffer(GetSysColor(COLOR_BTNFACE));

            if(bTransitioning)
            {
                BlendFunction(GS_BLEND_ONE, GS_BLEND_ZERO);
                DrawSprite(transitionTexture, 0xFFFFFFFF,
                        renderFrameOffset.x, renderFrameOffset.y,
                        renderFrameOffset.x + renderFrameSize.x, renderFrameOffset.y + renderFrameSize.y);
                BlendFunction(GS_BLEND_FACTOR, GS_BLEND_INVFACTOR, transitionAlpha);
            }

            DrawSprite(mainRenderTextures[curRenderTarget], 0xFFFFFFFF,
                    renderFrameOffset.x, renderFrameOffset.y,
                    renderFrameOffset.x + renderFrameSize.x, renderFrameOffset.y + renderFrameSize.y);

            //draw selections if in edit mode
            if(bEditMode && !bSizeChanging)
            {
                if(scene) {
                    LoadVertexShader(solidVertexShader);
                    LoadPixelShader(solidPixelShader);
                    solidPixelShader->SetColor(solidPixelShader->GetParameter(0), 0xFF0000);
                    scene->RenderSelections(solidPixelShader);
                }
            }
        }
        else if(bForceRenderViewErase)
        {
            InvalidateRect(hwndRenderFrame, NULL, TRUE);
            UpdateWindow(hwndRenderFrame);
            bForceRenderViewErase = false;
        }

        //------------------------------------
        // actual stream output

        LoadVertexShader(mainVertexShader);
        LoadPixelShader(yuvScalePixelShader);

        Texture *yuvRenderTexture = yuvRenderTextures[curRenderTarget];
        SetRenderTarget(yuvRenderTexture);

        if(downscale < 2.01)
            yuvScalePixelShader->SetVector2(hScaleVal, 1.0f/baseSize);
        else if(downscale < 3.01)
            yuvScalePixelShader->SetVector2(hScaleVal, 1.0f/(outputSize*3.0f));

        Ortho(0.0f, outputSize.x, outputSize.y, 0.0f, -100.0f, 100.0f);
        SetViewport(0.0f, 0.0f, outputSize.x, outputSize.y);

        //why am I using scaleSize instead of outputSize for the texture?
        //because outputSize can be trimmed by up to three pixels due to 128-bit alignment.
        //using the scale function with outputSize can cause slightly inaccurate scaled images
        if(bTransitioning)
        {
            BlendFunction(GS_BLEND_ONE, GS_BLEND_ZERO);
            DrawSpriteEx(transitionTexture, 0xFFFFFFFF, 0.0f, 0.0f, scaleSize.x, scaleSize.y, 0.0f, 0.0f, 1.0f, 1.0f);
            BlendFunction(GS_BLEND_FACTOR, GS_BLEND_INVFACTOR, transitionAlpha);
        }

        DrawSpriteEx(mainRenderTextures[curRenderTarget], 0xFFFFFFFF, 0.0f, 0.0f, outputSize.x, outputSize.y, 0.0f, 0.0f, 1.0f, 1.0f);

        //------------------------------------

        if(bRenderView && !copyWait)
            static_cast<D3D10System*>(GS)->swap->Present(0, 0);

        OSLeaveMutex(hSceneMutex);

        profileOut;

        //------------------------------------
        // present/upload

        profileIn("video encoding and uploading");

        bool bEncode = true;

        if(copyWait)
        {
            copyWait--;
            bEncode = false;
        }
        else
        {
            //audio sometimes takes a bit to start -- do not start processing frames until audio has started capturing
            if(!bRecievedFirstAudioFrame)
            {
                static bool bWarnedAboutNoAudio = false;
                if (qwTime-firstFrameTime > 10000 && !bWarnedAboutNoAudio)
                {
                    bWarnedAboutNoAudio = true;
                    //AddStreamInfo (TEXT ("WARNING: OBS is not receiving audio frames. Please check your audio devices."), StreamInfoPriority_Critical); 
                }
                bEncode = false;
            }
            else if(bFirstFrame)
            {
                firstFrameTime = qwTime;
                bFirstFrame = false;
            }

            if(!bEncode)
            {
                if(curYUVTexture == (NUM_RENDER_BUFFERS-1))
                    curYUVTexture = 0;
                else
                    curYUVTexture++;
            }
        }

        if(bEncode)
        {
            curStreamTime = qwTime-firstFrameTime;

            UINT prevCopyTexture = (curCopyTexture == 0) ? NUM_RENDER_BUFFERS-1 : curCopyTexture-1;

            ID3D10Texture2D *copyTexture = copyTextures[curCopyTexture];
            profileIn("CopyResource");

            if(!bFirst420Encode && bUseThreaded420)
            {
                WaitForMultipleObjects(completeEvents.Num(), completeEvents.Array(), TRUE, INFINITE);
                copyTexture->Unmap(0);
            }

            D3D10Texture *d3dYUV = static_cast<D3D10Texture*>(yuvRenderTextures[curYUVTexture]);
            GetD3D()->CopyResource(copyTexture, d3dYUV->texture);
            profileOut;

            ID3D10Texture2D *prevTexture = copyTextures[prevCopyTexture];

            if(bFirstImage) //ignore the first frame
                bFirstImage = false;
            else
            {
                HRESULT result;
                D3D10_MAPPED_TEXTURE2D map;
                if(SUCCEEDED(result = prevTexture->Map(0, D3D10_MAP_READ, 0, &map)))
                {
                    int prevOutBuffer = (curOutBuffer == 0) ? NUM_OUT_BUFFERS-1 : curOutBuffer-1;
                    int nextOutBuffer = (curOutBuffer == NUM_OUT_BUFFERS-1) ? 0 : curOutBuffer+1;

                    EncoderPicture &prevPicOut = outPics[prevOutBuffer];
                    EncoderPicture &picOut = outPics[curOutBuffer];
                    EncoderPicture &nextPicOut = outPics[nextOutBuffer];

                    if(!bUsing444)
                    {
                        profileIn("conversion to 4:2:0");

                        if(bUseThreaded420)
                        {
                            outTimes[nextOutBuffer] = (DWORD)curStreamTime;

                            bool firstRun = threadedProfilers.Num() == 0;
                            if(firstRun)
                                threadedProfilers.SetSize(numThreads);

                            for(int i=0; i<numThreads; i++)
                            {
                                convertInfo[i].input     = (LPBYTE)map.pData;
                                convertInfo[i].inPitch   = map.RowPitch;
                                if(bUsingQSV)
                                {
                                    mfxFrameData& data = nextPicOut.mfxOut->Data;
                                    videoEncoder->RequestBuffers(&data);
                                    convertInfo[i].outPitch  = data.Pitch;
                                    convertInfo[i].output[0] = data.Y;
                                    convertInfo[i].output[1] = data.UV;
                                }
                                else
                                {
                                    convertInfo[i].output[0] = nextPicOut.picOut->img.plane[0];
                                    convertInfo[i].output[1] = nextPicOut.picOut->img.plane[1];
                                    convertInfo[i].output[2] = nextPicOut.picOut->img.plane[2];
								}
                                if(!firstRun)
                                    threadedProfilers[i].~ProfilerNode();
                                ::new (&threadedProfilers[i]) ProfilerNode(TEXT("Convert444Threads"), true);
                                threadedProfilers[i].MonitorThread(h420Threads[i]);
                                bUsingThreadedProfilers = true;
                                SetEvent(convertInfo[i].hSignalConvert);
                            }

                            if(bFirst420Encode)
                                bFirst420Encode = bEncode = false;
                        }
                        else
                        {
                            outTimes[curOutBuffer] = (DWORD)curStreamTime;
                            if(bUsingQSV)
                            {
                                mfxFrameData& data = picOut.mfxOut->Data;
                                videoEncoder->RequestBuffers(&data);
                                LPBYTE output[] = {data.Y, data.UV};
                                Convert444toNV12((LPBYTE)map.pData, outputCX, map.RowPitch, data.Pitch, outputCY, 0, outputCY, output);
                            }
                            else
                                Convert444toNV12((LPBYTE)map.pData, outputCX, map.RowPitch, outputCX, outputCY, 0, outputCY, picOut.picOut->img.plane);
                            prevTexture->Unmap(0);
                        }

                        profileOut;
                    }
                    else
                    {
                        outTimes[curOutBuffer] = (DWORD)curStreamTime;

                        picOut.picOut->img.i_stride[0] = map.RowPitch;
                        picOut.picOut->img.plane[0]    = (uint8_t*)map.pData;
                    }

                    if(bEncode)
                    {
                        DWORD curFrameTimestamp = outTimes[prevOutBuffer];
                        //Log(TEXT("curFrameTimestamp: %u"), curFrameTimestamp);

                        //------------------------------------

                        FrameProcessInfo frameInfo;
                        frameInfo.firstFrameTime = firstFrameTime;
                        frameInfo.prevTexture = prevTexture;

                        if(bDupeFrames)
                        {
                            while(cfrTime < curFrameTimestamp)
                            {
                                DWORD frameTimeAdjust = frameTime;
                                cfrTimeAdjust += fpsTimeNumerator;
                                if(cfrTimeAdjust > fpsTimeDenominator)
                                {
                                    cfrTimeAdjust -= fpsTimeDenominator;
                                    ++frameTimeAdjust;
                                }

                                DWORD halfTime = (frameTimeAdjust+1)/2;

                                EncoderPicture &nextPic = (curFrameTimestamp-cfrTime <= halfTime) ? picOut : prevPicOut;
                                //Log(TEXT("cfrTime: %u, time: %u"), cfrTime, curFrameTimestamp);

                                //these lines are just for counting duped frames
                                if(nextPic == lastPic)
                                    ++numTotalDuplicatedFrames;
                                else
                                    lastPic = nextPic;

                                frameInfo.pic = &nextPic;
                                if(bUsingQSV)
                                    frameInfo.pic->mfxOut->Data.TimeStamp = cfrTime;
                                else
                                    frameInfo.pic->picOut->i_pts = cfrTime;
                                frameInfo.frameTimestamp = cfrTime;
                                ProcessFrame(frameInfo);

                                cfrTime += frameTimeAdjust;

                                //Log(TEXT("cfrTime: %u, chi frame: %u"), cfrTime, (curFrameTimestamp-cfrTime <= halfTime));
                            }
                        }
                        else
                        {
                            if(bUsingQSV)
                                picOut.mfxOut->Data.TimeStamp = curFrameTimestamp;
                            else
                                picOut.picOut->i_pts = curFrameTimestamp;

                            frameInfo.pic = &picOut;
                            frameInfo.frameTimestamp = curFrameTimestamp;

                            ProcessFrame(frameInfo);
                        }

                        if (!bRunning)
                            bufferedFrames = videoEncoder->GetBufferedFrames ();
                    }

                    if(bUsing444)
                    {
                        prevTexture->Unmap(0);
                    }

                    curOutBuffer = nextOutBuffer;
                }
                else
                {
                    //We have to crash, or we end up deadlocking the thread when the convert threads are never signalled
                    if (result == DXGI_ERROR_DEVICE_REMOVED)
                    {
                        String message;

                        HRESULT reason = GetD3D()->GetDeviceRemovedReason();

                        switch (reason)
                        {
                        case DXGI_ERROR_DEVICE_RESET:
                        case DXGI_ERROR_DEVICE_HUNG:
                            message = TEXT("Your video card or driver froze and was reset. Please check for possible hardware / driver issues.");
                            break;
                        case DXGI_ERROR_DEVICE_REMOVED:
                            message = TEXT("Your video card disappeared from the system. Please check for possible hardware / driver issues.");
                            break;
                        case DXGI_ERROR_DRIVER_INTERNAL_ERROR:
                            message = TEXT("Your video driver reported an internal error. Please check for possible hardware / driver issues.");
                            break;
                        case DXGI_ERROR_INVALID_CALL:
                            message = TEXT("Your video driver reported an invalid call. Please check for possible driver issues.");
                            break;
                        default:
                            message = TEXT("DXGI_ERROR_DEVICE_REMOVED");
                            break;
                        }

                        CrashError (TEXT("Texture->Map failed: 0x%08x 0x%08x\r\n\r\n%s"), result, reason, message.Array());
                    }
                    else
                        CrashError (TEXT("Texture->Map failed: 0x%08x"), result);
                }
            }

            if(curCopyTexture == (NUM_RENDER_BUFFERS-1))
                curCopyTexture = 0;
            else
                curCopyTexture++;

            if(curYUVTexture == (NUM_RENDER_BUFFERS-1))
                curYUVTexture = 0;
            else
                curYUVTexture++;

            if (bCongestionControl && bDynamicBitrateSupported && !bTestStream)
            {
                if (curStrain > 25)
                {
                    if (qwTime - lastAdjustmentTime > 1500)
                    {
                        if (currentBitRate > 100)
                        {
                            currentBitRate = (int)(currentBitRate * (1.0 - (curStrain / 400)));
                            App->GetVideoEncoder()->SetBitRate(currentBitRate, -1);
                            if (!adjustmentStreamId)
                                adjustmentStreamId = App->AddStreamInfo (FormattedString(TEXT("Congestion detected, dropping bitrate to %d kbps"), currentBitRate).Array(), StreamInfoPriority_Low);
                            else
                                App->SetStreamInfo(adjustmentStreamId, FormattedString(TEXT("Congestion detected, dropping bitrate to %d kbps"), currentBitRate).Array());

                            bUpdateBPS = true;
                        }

                        lastAdjustmentTime = qwTime;
                    }
                }
                else if (currentBitRate < defaultBitRate && curStrain < 5 && lastStrain < 5)
                {
                    if (qwTime - lastAdjustmentTime > 5000)
                    {
                        if (currentBitRate < defaultBitRate)
                        {
                            currentBitRate += (int)(defaultBitRate * 0.05);
                            if (currentBitRate > defaultBitRate)
                                currentBitRate = defaultBitRate;
                        }

                        App->GetVideoEncoder()->SetBitRate(currentBitRate, -1);
                        /*if (!adjustmentStreamId)
                            App->AddStreamInfo (FormattedString(TEXT("Congestion clearing, raising bitrate to %d kbps"), currentBitRate).Array(), StreamInfoPriority_Low);
                        else
                            App->SetStreamInfo(adjustmentStreamId, FormattedString(TEXT("Congestion clearing, raising bitrate to %d kbps"), currentBitRate).Array());*/

                        bUpdateBPS = true;

                        lastAdjustmentTime = qwTime;
                    }
                }
            }
        }

        lastRenderTarget = curRenderTarget;

        if(curRenderTarget == (NUM_RENDER_BUFFERS-1))
            curRenderTarget = 0;
        else
            curRenderTarget++;

        if(bUpdateBPS || !CloseDouble(curStrain, lastStrain) || curFramesDropped != lastFramesDropped)
        {
            PostMessage(hwndMain, OBS_UPDATESTATUSBAR, 0, 0);
            lastStrain = curStrain;

            lastFramesDropped = curFramesDropped;
        }

        //------------------------------------
        // we're about to sleep so we should flush the d3d command queue
        profileIn("flush");
        GetD3D()->Flush();
        profileOut;

        profileOut; //video encoding and uploading
        profileOut; //frame

        //------------------------------------
        // frame sync

#ifdef USE_100NS_TIME
        QWORD renderStopTime = GetQPCTime100NS();
        sleepTargetTime += frameTime100ns;

        if(bWasLaggedFrame = (sleepTargetTime <= renderStopTime))
        {
            numLongFrames++;
            if(bLogLongFramesProfile && (numLongFrames/float(max(1, numTotalFrames)) * 100.) > logLongFramesProfilePercentage)
                DumpLastProfileData();
        }
        else
            SleepTo(sleepTargetTime);
#else
        DWORD renderStopTime = OSGetTime();
        DWORD totalTime = renderStopTime-renderStartTime;

        if(totalTime > frameTimeAdjust)
        {
            numLongFrames++;
            if(bLogLongFramesProfile && (numLongFrames/float(max(1, numTotalFrames)) * 100.) > logLongFramesProfilePercentage)
                DumpLastProfileData();
        }
        else if(totalTime < frameTimeAdjust)
            OSSleep(frameTimeAdjust-totalTime);
#endif

        //OSDebugOut(TEXT("Frame adjust time: %d, "), frameTimeAdjust-totalTime);

        numTotalFrames++;
    }

    if(!bUsing444)
    {
        if(bUseThreaded420)
        {
            for(int i=0; i<numThreads; i++)
            {
                if(h420Threads[i])
                {
                    convertInfo[i].bKillThread = true;
                    SetEvent(convertInfo[i].hSignalConvert);
                    if(bUsingThreadedProfilers)
                        threadedProfilers[i].~ProfilerNode();

                    OSTerminateThread(h420Threads[i], 10000);
                    h420Threads[i] = NULL;
                }

                if(convertInfo[i].hSignalConvert)
                {
                    CloseHandle(convertInfo[i].hSignalConvert);
                    convertInfo[i].hSignalConvert = NULL;
                }

                if(convertInfo[i].hSignalComplete)
                {
                    CloseHandle(convertInfo[i].hSignalComplete);
                    convertInfo[i].hSignalComplete = NULL;
                }
            }

            if(!bFirst420Encode)
            {
                ID3D10Texture2D *copyTexture = copyTextures[curCopyTexture];
                copyTexture->Unmap(0);
            }
        }

        if(bUsingQSV)
            for(int i = 0; i < NUM_OUT_BUFFERS; i++)
                delete outPics[i].mfxOut;
        else
            for(int i=0; i<NUM_OUT_BUFFERS; i++)
            {
                x264_picture_clean(outPics[i].picOut);
                delete outPics[i].picOut;
            }
    }

    Free(h420Threads);
    Free(convertInfo);

    Log(TEXT("Total frames rendered: %d, number of frames that lagged: %d (%0.2f%%) (it's okay for some frames to lag)"), numTotalFrames, numLongFrames, (double(numLongFrames)/double(numTotalFrames))*100.0);
    if(bDupeFrames)
        Log(TEXT("Total duplicated frames: %d (%0.2f%%)"), numTotalDuplicatedFrames, (double(numTotalDuplicatedFrames)/double(numTotalFrames))*100.0);
}
Esempio n. 13
0
//todo: this function is an abomination, this is just disgusting.  fix it.
//...seriously, this is really, really horrible.  I mean this is amazingly bad.
void OBS::MainCaptureLoop()
{
    int curRenderTarget = 0, curYUVTexture = 0, curCopyTexture = 0;
    int copyWait = NUM_RENDER_BUFFERS-1;

    bSentHeaders = false;
    bFirstAudioPacket = true;

    Vect2 baseSize    = Vect2(float(baseCX), float(baseCY));
    Vect2 outputSize  = Vect2(float(outputCX), float(outputCY));
    Vect2 scaleSize   = Vect2(float(scaleCX), float(scaleCY));

    HANDLE hScaleVal = yuvScalePixelShader->GetParameterByName(TEXT("baseDimensionI"));

    LPVOID nullBuff = NULL;

    //----------------------------------------
    // x264 input buffers

    int curOutBuffer = 0;

    x264_picture_t *lastPic = NULL;
    x264_picture_t outPics[NUM_OUT_BUFFERS];
    DWORD outTimes[NUM_OUT_BUFFERS] = {0, 0, 0};

    for(int i=0; i<NUM_OUT_BUFFERS; i++)
        x264_picture_init(&outPics[i]);

    if(bUsing444)
    {
        for(int i=0; i<NUM_OUT_BUFFERS; i++)
        {
            outPics[i].img.i_csp   = X264_CSP_BGRA; //although the x264 input says BGR, x264 actually will expect packed UYV
            outPics[i].img.i_plane = 1;
        }
    }
    else
    {
        for(int i=0; i<NUM_OUT_BUFFERS; i++)
            x264_picture_alloc(&outPics[i], X264_CSP_I420, outputCX, outputCY);
    }

    //----------------------------------------
    // time/timestamp stuff

    LARGE_INTEGER clockFreq;
    QueryPerformanceFrequency(&clockFreq);

    bufferedTimes.Clear();
    ctsOffsets.Clear();

#ifdef USE_100NS_TIME
    QWORD streamTimeStart = GetQPCTime100NS(clockFreq.QuadPart);
    QWORD frameTime100ns = 10000000/fps;

    QWORD sleepTargetTime = 0;
    bool bWasLaggedFrame = false;
#else
    DWORD streamTimeStart = OSGetTime();
#endif
    totalStreamTime = 0;

    lastAudioTimestamp = 0;

    latestVideoTime = firstSceneTimestamp = GetQPCTimeMS(clockFreq.QuadPart);

    DWORD fpsTimeNumerator = 1000-(frameTime*fps);
    DWORD fpsTimeDenominator = fps;
    DWORD fpsTimeAdjust = 0;

    DWORD cfrTime = 0;
    DWORD cfrTimeAdjust = 0;

    //----------------------------------------
    // start audio capture streams

    desktopAudio->StartCapture();
    if(micAudio) micAudio->StartCapture();

    //----------------------------------------
    // status bar/statistics stuff

    DWORD fpsCounter = 0;

    int numLongFrames = 0;
    int numTotalFrames = 0;

    int numTotalDuplicatedFrames = 0;

    bytesPerSec = 0;
    captureFPS = 0;
    curFramesDropped = 0;
    curStrain = 0.0;
    PostMessage(hwndMain, OBS_UPDATESTATUSBAR, 0, 0);

    QWORD lastBytesSent[3] = {0, 0, 0};
    DWORD lastFramesDropped = 0;
#ifdef USE_100NS_TIME
    double bpsTime = 0.0;
#else
    float bpsTime = 0.0f;
#endif
    double lastStrain = 0.0f;
    DWORD numSecondsWaited = 0;

    //----------------------------------------
    // 444->420 thread data

    int numThreads = MAX(OSGetTotalCores()-2, 1);
    HANDLE *h420Threads = (HANDLE*)Allocate(sizeof(HANDLE)*numThreads);
    Convert444Data *convertInfo = (Convert444Data*)Allocate(sizeof(Convert444Data)*numThreads);

    zero(h420Threads, sizeof(HANDLE)*numThreads);
    zero(convertInfo, sizeof(Convert444Data)*numThreads);

    for(int i=0; i<numThreads; i++)
    {
        convertInfo[i].width  = outputCX;
        convertInfo[i].height = outputCY;
        convertInfo[i].hSignalConvert  = CreateEvent(NULL, FALSE, FALSE, NULL);
        convertInfo[i].hSignalComplete = CreateEvent(NULL, FALSE, FALSE, NULL);

        if(i == 0)
            convertInfo[i].startY = 0;
        else
            convertInfo[i].startY = convertInfo[i-1].endY;

        if(i == (numThreads-1))
            convertInfo[i].endY = outputCY;
        else
            convertInfo[i].endY = ((outputCY/numThreads)*(i+1)) & 0xFFFFFFFE;
    }

    bool bFirstFrame = true;
    bool bFirstImage = true;
    bool bFirst420Encode = true;
    bool bUseThreaded420 = bUseMultithreadedOptimizations && (OSGetTotalCores() > 1) && !bUsing444;

    List<HANDLE> completeEvents;

    if(bUseThreaded420)
    {
        for(int i=0; i<numThreads; i++)
        {
            h420Threads[i] = OSCreateThread((XTHREAD)Convert444Thread, convertInfo+i);
            completeEvents << convertInfo[i].hSignalComplete;
        }
    }

    //----------------------------------------

    QWORD curStreamTime = 0, lastStreamTime, firstFrameTime = GetQPCTimeMS(clockFreq.QuadPart);
    lastStreamTime = firstFrameTime-frameTime;

    bool bFirstAudioPacket = true;

    while(bRunning)
    {
#ifdef USE_100NS_TIME
        QWORD renderStartTime = GetQPCTime100NS(clockFreq.QuadPart);

        if(sleepTargetTime == 0 || bWasLaggedFrame)
            sleepTargetTime = renderStartTime;
#else
        DWORD renderStartTime = OSGetTime();
        totalStreamTime = renderStartTime-streamTimeStart;

        DWORD frameTimeAdjust = frameTime;
        fpsTimeAdjust += fpsTimeNumerator;
        if(fpsTimeAdjust > fpsTimeDenominator)
        {
            fpsTimeAdjust -= fpsTimeDenominator;
            ++frameTimeAdjust;
        }
#endif

        bool bRenderView = !IsIconic(hwndMain) && bRenderViewEnabled;

        profileIn("frame");

#ifdef USE_100NS_TIME
        QWORD qwTime = renderStartTime/10000;
        latestVideoTime = qwTime;

        QWORD frameDelta = renderStartTime-lastStreamTime;
        double fSeconds = double(frameDelta)*0.0000001;

        //Log(TEXT("frameDelta: %f"), fSeconds);

        lastStreamTime = renderStartTime;
#else
        QWORD qwTime = GetQPCTimeMS(clockFreq.QuadPart);
        latestVideoTime = qwTime;

        QWORD frameDelta = qwTime-lastStreamTime;
        float fSeconds = float(frameDelta)*0.001f;

        //Log(TEXT("frameDelta: %llu"), frameDelta);

        lastStreamTime = qwTime;
#endif

        //------------------------------------

        if(bRequestKeyframe && keyframeWait > 0)
        {
            keyframeWait -= int(frameDelta);

            if(keyframeWait <= 0)
            {
                GetVideoEncoder()->RequestKeyframe();
                bRequestKeyframe = false;
            }
        }

        if(!bPushToTalkDown && pushToTalkTimeLeft > 0)
        {
            pushToTalkTimeLeft -= int(frameDelta);
            OSDebugOut(TEXT("time left: %d\r\n"), pushToTalkTimeLeft);
            if(pushToTalkTimeLeft <= 0)
            {
                pushToTalkTimeLeft = 0;
                bPushToTalkOn = false;
            }
        }

        //------------------------------------

        OSEnterMutex(hSceneMutex);

        if(bResizeRenderView)
        {
            GS->ResizeView();
            bResizeRenderView = false;
        }

        //------------------------------------

        if(scene)
        {
            profileIn("scene->Preprocess");
            scene->Preprocess();

            for(UINT i=0; i<globalSources.Num(); i++)
                globalSources[i].source->Preprocess();

            profileOut;

            scene->Tick(float(fSeconds));

            for(UINT i=0; i<globalSources.Num(); i++)
                globalSources[i].source->Tick(float(fSeconds));
        }

        //------------------------------------

        QWORD curBytesSent = network->GetCurrentSentBytes();
        curFramesDropped = network->NumDroppedFrames();
        bool bUpdateBPS = false;

        bpsTime += fSeconds;
        if(bpsTime > 1.0f)
        {
            if(numSecondsWaited < 3)
                ++numSecondsWaited;

            //bytesPerSec = DWORD(curBytesSent - lastBytesSent);
            bytesPerSec = DWORD(curBytesSent - lastBytesSent[0]) / numSecondsWaited;

            if(bpsTime > 2.0)
                bpsTime = 0.0f;
            else
                bpsTime -= 1.0;

            if(numSecondsWaited == 3)
            {
                lastBytesSent[0] = lastBytesSent[1];
                lastBytesSent[1] = lastBytesSent[2];
                lastBytesSent[2] = curBytesSent;
            }
            else
                lastBytesSent[numSecondsWaited] = curBytesSent;

            captureFPS = fpsCounter;
            fpsCounter = 0;

            bUpdateBPS = true;
        }

        fpsCounter++;

        curStrain = network->GetPacketStrain();

        EnableBlending(TRUE);
        BlendFunction(GS_BLEND_SRCALPHA, GS_BLEND_INVSRCALPHA);

        //------------------------------------
        // render the mini render texture

        LoadVertexShader(mainVertexShader);
        LoadPixelShader(mainPixelShader);

        SetRenderTarget(mainRenderTextures[curRenderTarget]);

        Ortho(0.0f, baseSize.x, baseSize.y, 0.0f, -100.0f, 100.0f);
        SetViewport(0, 0, baseSize.x, baseSize.y);

        if(scene)
            scene->Render();

        //------------------------------------

        if(bTransitioning)
        {
            if(!transitionTexture)
            {
                transitionTexture = CreateTexture(baseCX, baseCY, GS_BGRA, NULL, FALSE, TRUE);
                if(transitionTexture)
                {
                    D3D10Texture *d3dTransitionTex = static_cast<D3D10Texture*>(transitionTexture);
                    D3D10Texture *d3dSceneTex = static_cast<D3D10Texture*>(mainRenderTextures[lastRenderTarget]);
                    GetD3D()->CopyResource(d3dTransitionTex->texture, d3dSceneTex->texture);
                }
                else
                    bTransitioning = false;
            }
            else if(transitionAlpha >= 1.0f)
            {
                delete transitionTexture;
                transitionTexture = NULL;

                bTransitioning = false;
            }
        }

        if(bTransitioning)
        {
            EnableBlending(TRUE);
            transitionAlpha += float(fSeconds)*5.0f;
            if(transitionAlpha > 1.0f)
                transitionAlpha = 1.0f;
        }
        else
            EnableBlending(FALSE);

        //------------------------------------
        // render the mini view thingy

        if(bRenderView)
        {
            Vect2 renderFrameSize = Vect2(float(renderFrameWidth), float(renderFrameHeight));

            SetRenderTarget(NULL);

            LoadVertexShader(mainVertexShader);
            LoadPixelShader(mainPixelShader);

            Ortho(0.0f, renderFrameSize.x, renderFrameSize.y, 0.0f, -100.0f, 100.0f);
            SetViewport(0.0f, 0.0f, renderFrameSize.x, renderFrameSize.y);

            if(bTransitioning)
            {
                BlendFunction(GS_BLEND_ONE, GS_BLEND_ZERO);
                if(renderFrameIn1To1Mode)
                    DrawSprite(transitionTexture, 0xFFFFFFFF, 0.0f, 0.0f, outputSize.x, outputSize.y);
                else
                    DrawSprite(transitionTexture, 0xFFFFFFFF, 0.0f, 0.0f, renderFrameSize.x, renderFrameSize.y);
                BlendFunction(GS_BLEND_FACTOR, GS_BLEND_INVFACTOR, transitionAlpha);
            }

            if(renderFrameIn1To1Mode)
                DrawSprite(mainRenderTextures[curRenderTarget], 0xFFFFFFFF, 0.0f, 0.0f, outputSize.x, outputSize.y);
            else
                DrawSprite(mainRenderTextures[curRenderTarget], 0xFFFFFFFF, 0.0f, 0.0f, renderFrameSize.x, renderFrameSize.y);

            Ortho(0.0f, renderFrameSize.x, renderFrameSize.y, 0.0f, -100.0f, 100.0f);

            //draw selections if in edit mode
            if(bEditMode && !bSizeChanging)
            {
                LoadVertexShader(solidVertexShader);
                LoadPixelShader(solidPixelShader);
                solidPixelShader->SetColor(solidPixelShader->GetParameter(0), 0xFFFF0000);

                if(renderFrameIn1To1Mode)
                    Ortho(0.0f, renderFrameSize.x * downscale, renderFrameSize.y * downscale, 0.0f, -100.0f, 100.0f);
                else
                    Ortho(0.0f, baseSize.x, baseSize.y, 0.0f, -100.0f, 100.0f);

                if(scene)
                    scene->RenderSelections();
            }
        }
        else if(bForceRenderViewErase)
        {
            InvalidateRect(hwndRenderFrame, NULL, TRUE);
            UpdateWindow(hwndRenderFrame);
            bForceRenderViewErase = false;
        }

        //------------------------------------
        // actual stream output

        LoadVertexShader(mainVertexShader);
        LoadPixelShader(yuvScalePixelShader);

        Texture *yuvRenderTexture = yuvRenderTextures[curRenderTarget];
        SetRenderTarget(yuvRenderTexture);

        yuvScalePixelShader->SetVector2(hScaleVal, 1.0f/baseSize);

        Ortho(0.0f, outputSize.x, outputSize.y, 0.0f, -100.0f, 100.0f);
        SetViewport(0.0f, 0.0f, outputSize.x, outputSize.y);

        //why am I using scaleSize instead of outputSize for the texture?
        //because outputSize can be trimmed by up to three pixels due to 128-bit alignment.
        //using the scale function with outputSize can cause slightly inaccurate scaled images
        if(bTransitioning)
        {
            BlendFunction(GS_BLEND_ONE, GS_BLEND_ZERO);
            DrawSpriteEx(transitionTexture, 0xFFFFFFFF, 0.0f, 0.0f, scaleSize.x, scaleSize.y, 0.0f, 0.0f, scaleSize.x, scaleSize.y);
            BlendFunction(GS_BLEND_FACTOR, GS_BLEND_INVFACTOR, transitionAlpha);
        }

        DrawSpriteEx(mainRenderTextures[curRenderTarget], 0xFFFFFFFF, 0.0f, 0.0f, outputSize.x, outputSize.y, 0.0f, 0.0f, outputSize.x, outputSize.y);

        //------------------------------------

        if(bRenderView && !copyWait)
            static_cast<D3D10System*>(GS)->swap->Present(0, 0);

        OSLeaveMutex(hSceneMutex);

        //------------------------------------
        // present/upload

        profileIn("video encoding and uploading");

        bool bEncode = true;

        if(copyWait)
        {
            copyWait--;
            bEncode = false;
        }
        else
        {
            //audio sometimes takes a bit to start -- do not start processing frames until audio has started capturing
            if(!bRecievedFirstAudioFrame)
                bEncode = false;
            else if(bFirstFrame)
            {
                firstFrameTime = qwTime;
                bFirstFrame = false;
            }

            if(!bEncode)
            {
                if(curYUVTexture == (NUM_RENDER_BUFFERS-1))
                    curYUVTexture = 0;
                else
                    curYUVTexture++;
            }
        }

        if(bEncode)
        {
            curStreamTime = qwTime-firstFrameTime;

            UINT prevCopyTexture = (curCopyTexture == 0) ? NUM_RENDER_BUFFERS-1 : curCopyTexture-1;

            ID3D10Texture2D *copyTexture = copyTextures[curCopyTexture];
            profileIn("CopyResource");

            if(!bFirst420Encode && bUseThreaded420)
            {
                WaitForMultipleObjects(completeEvents.Num(), completeEvents.Array(), TRUE, INFINITE);
                copyTexture->Unmap(0);
            }

            D3D10Texture *d3dYUV = static_cast<D3D10Texture*>(yuvRenderTextures[curYUVTexture]);
            GetD3D()->CopyResource(copyTexture, d3dYUV->texture);
            profileOut;

            ID3D10Texture2D *prevTexture = copyTextures[prevCopyTexture];

            if(bFirstImage) //ignore the first frame
                bFirstImage = false;
            else
            {
                HRESULT result;
                D3D10_MAPPED_TEXTURE2D map;
                if(SUCCEEDED(result = prevTexture->Map(0, D3D10_MAP_READ, 0, &map)))
                {
                    int prevOutBuffer = (curOutBuffer == 0) ? NUM_OUT_BUFFERS-1 : curOutBuffer-1;
                    int nextOutBuffer = (curOutBuffer == NUM_OUT_BUFFERS-1) ? 0 : curOutBuffer+1;

                    x264_picture_t &prevPicOut = outPics[prevOutBuffer];
                    x264_picture_t &picOut = outPics[curOutBuffer];
                    x264_picture_t &nextPicOut = outPics[nextOutBuffer];

                    if(!bUsing444)
                    {
                        profileIn("conversion to 4:2:0");

                        if(bUseThreaded420)
                        {
                            outTimes[nextOutBuffer] = (DWORD)curStreamTime;

                            for(int i=0; i<numThreads; i++)
                            {
                                convertInfo[i].input     = (LPBYTE)map.pData;
                                convertInfo[i].pitch     = map.RowPitch;
                                convertInfo[i].output[0] = nextPicOut.img.plane[0];
                                convertInfo[i].output[1] = nextPicOut.img.plane[1];
                                convertInfo[i].output[2] = nextPicOut.img.plane[2];
                                SetEvent(convertInfo[i].hSignalConvert);
                            }

                            if(bFirst420Encode)
                                bFirst420Encode = bEncode = false;
                        }
                        else
                        {
                            outTimes[curOutBuffer] = (DWORD)curStreamTime;
                            Convert444to420((LPBYTE)map.pData, outputCX, map.RowPitch, outputCY, 0, outputCY, picOut.img.plane, SSE2Available());
                            prevTexture->Unmap(0);
                        }

                        profileOut;
                    }
                    else
                    {
                        outTimes[curOutBuffer] = (DWORD)curStreamTime;

                        picOut.img.i_stride[0] = map.RowPitch;
                        picOut.img.plane[0]    = (uint8_t*)map.pData;
                    }

                    if(bEncode)
                    {
                        DWORD curFrameTimestamp = outTimes[prevOutBuffer];
                        //Log(TEXT("curFrameTimestamp: %u"), curFrameTimestamp);

                        //------------------------------------

                        FrameProcessInfo frameInfo;
                        frameInfo.firstFrameTime = firstFrameTime;
                        frameInfo.prevTexture = prevTexture;

                        if(bUseCFR)
                        {
                            while(cfrTime < curFrameTimestamp)
                            {
                                DWORD frameTimeAdjust = frameTime;
                                cfrTimeAdjust += fpsTimeNumerator;
                                if(cfrTimeAdjust > fpsTimeDenominator)
                                {
                                    cfrTimeAdjust -= fpsTimeDenominator;
                                    ++frameTimeAdjust;
                                }

                                DWORD halfTime = (frameTimeAdjust+1)/2;

                                x264_picture_t *nextPic = (curFrameTimestamp-cfrTime <= halfTime) ? &picOut : &prevPicOut;
                                //Log(TEXT("cfrTime: %u, time: %u"), cfrTime, curFrameTimestamp);

                                //these lines are just for counting duped frames
                                if(nextPic == lastPic)
                                    ++numTotalDuplicatedFrames;
                                else
                                    lastPic = nextPic;

                                frameInfo.picOut = nextPic;
                                frameInfo.picOut->i_pts = cfrTime;
                                frameInfo.frameTimestamp = cfrTime;
                                ProcessFrame(frameInfo);

                                cfrTime += frameTimeAdjust;

                                //Log(TEXT("cfrTime: %u, chi frame: %u"), cfrTime, (curFrameTimestamp-cfrTime <= halfTime));
                            }
                        }
                        else
                        {
                            picOut.i_pts = curFrameTimestamp;

                            frameInfo.picOut = &picOut;
                            frameInfo.frameTimestamp = curFrameTimestamp;

                            ProcessFrame(frameInfo);
                        }
                    }

                    curOutBuffer = nextOutBuffer;
                }
                else
                {
                    //We have to crash, or we end up deadlocking the thread when the convert threads are never signalled
                    CrashError (TEXT("Texture->Map failed: 0x%08x"), result);
                }
            }

            if(curCopyTexture == (NUM_RENDER_BUFFERS-1))
                curCopyTexture = 0;
            else
                curCopyTexture++;

            if(curYUVTexture == (NUM_RENDER_BUFFERS-1))
                curYUVTexture = 0;
            else
                curYUVTexture++;
        }

        lastRenderTarget = curRenderTarget;

        if(curRenderTarget == (NUM_RENDER_BUFFERS-1))
            curRenderTarget = 0;
        else
            curRenderTarget++;

        if(bUpdateBPS || !CloseDouble(curStrain, lastStrain) || curFramesDropped != lastFramesDropped)
        {
            PostMessage(hwndMain, OBS_UPDATESTATUSBAR, 0, 0);
            lastStrain = curStrain;

            lastFramesDropped = curFramesDropped;
        }

        profileOut;
        profileOut;

        //------------------------------------
        // get audio while sleeping or capturing
        //ReleaseSemaphore(hRequestAudioEvent, 1, NULL);

        //------------------------------------
        // frame sync

#ifdef USE_100NS_TIME
        QWORD renderStopTime = GetQPCTime100NS(clockFreq.QuadPart);
        sleepTargetTime += frameTime100ns;

        if(bWasLaggedFrame = (sleepTargetTime <= renderStopTime))
            numLongFrames++;
        else
            SleepTo(clockFreq.QuadPart, sleepTargetTime);
#else
        DWORD renderStopTime = OSGetTime();
        DWORD totalTime = renderStopTime-renderStartTime;

        if(totalTime > frameTimeAdjust)
            numLongFrames++;
        else if(totalTime < frameTimeAdjust)
            OSSleep(frameTimeAdjust-totalTime);
#endif

        //OSDebugOut(TEXT("Frame adjust time: %d, "), frameTimeAdjust-totalTime);

        numTotalFrames++;
    }

    if(!bUsing444)
    {
        if(bUseThreaded420)
        {
            for(int i=0; i<numThreads; i++)
            {
                if(h420Threads[i])
                {
                    convertInfo[i].bKillThread = true;
                    SetEvent(convertInfo[i].hSignalConvert);

                    OSTerminateThread(h420Threads[i], 10000);
                    h420Threads[i] = NULL;
                }

                if(convertInfo[i].hSignalConvert)
                {
                    CloseHandle(convertInfo[i].hSignalConvert);
                    convertInfo[i].hSignalConvert = NULL;
                }

                if(convertInfo[i].hSignalComplete)
                {
                    CloseHandle(convertInfo[i].hSignalComplete);
                    convertInfo[i].hSignalComplete = NULL;
                }
            }

            if(!bFirst420Encode)
            {
                ID3D10Texture2D *copyTexture = copyTextures[curCopyTexture];
                copyTexture->Unmap(0);
            }
        }

        for(int i=0; i<NUM_OUT_BUFFERS; i++)
            x264_picture_clean(&outPics[i]);
    }

    Free(h420Threads);
    Free(convertInfo);

    Log(TEXT("Total frames rendered: %d, number of frames that lagged: %d (%0.2f%%) (it's okay for some frames to lag)"), numTotalFrames, numLongFrames, (double(numLongFrames)/double(numTotalFrames))*100.0);
    if(bUseCFR)
        Log(TEXT("Total duplicated CFR frames: %d"), numTotalDuplicatedFrames);
}