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Draw a black background behind the rendering

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This commit is contained in:
Cameron Gutman
2018-07-18 22:07:43 -07:00
parent bd8e4a4bce
commit e32aace443
2 changed files with 21 additions and 3 deletions
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app/streaming/video/ffmpeg-renderers/dxva2.cpp
+16 -3
View File
@@ -376,6 +376,11 @@ bool DXVA2Renderer::initialize(SDL_Window* window, int videoFormat, int width, i
m_Device = SDL_RenderGetD3D9Device(m_SdlRenderer); m_Device = SDL_RenderGetD3D9Device(m_SdlRenderer);
// Draw a black frame until the video stream starts rendering
SDL_SetRenderDrawColor(m_SdlRenderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
SDL_RenderClear(m_SdlRenderer);
SDL_RenderPresent(m_SdlRenderer);
RtlZeroMemory(&m_Desc, sizeof(m_Desc)); RtlZeroMemory(&m_Desc, sizeof(m_Desc));
m_Desc.SampleWidth = m_VideoWidth; m_Desc.SampleWidth = m_VideoWidth;
m_Desc.SampleHeight = m_VideoHeight; m_Desc.SampleHeight = m_VideoHeight;
@@ -457,9 +462,6 @@ void DXVA2Renderer::renderFrame(AVFrame* frame)
bltParams.TargetFrame = m_FrameIndex++; bltParams.TargetFrame = m_FrameIndex++;
bltParams.TargetRect = sample.DstRect; bltParams.TargetRect = sample.DstRect;
bltParams.BackgroundColor.Y = 0x1000;
bltParams.BackgroundColor.Cb = 0x8000;
bltParams.BackgroundColor.Cr = 0x8000;
bltParams.BackgroundColor.Alpha = 0xFFFF; bltParams.BackgroundColor.Alpha = 0xFFFF;
bltParams.DestFormat.SampleFormat = DXVA2_SampleProgressiveFrame; bltParams.DestFormat.SampleFormat = DXVA2_SampleProgressiveFrame;
@@ -471,11 +473,22 @@ void DXVA2Renderer::renderFrame(AVFrame* frame)
bltParams.Alpha = DXVA2_Fixed32OpaqueAlpha(); bltParams.Alpha = DXVA2_Fixed32OpaqueAlpha();
hr = m_Device->Clear(0, nullptr, D3DCLEAR_TARGET, D3DCOLOR_ARGB(255, 0, 0, 0), 0.0f, 0);
if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"Clear() failed: %x",
hr);
av_frame_free(&frame);
return;
}
hr = m_Processor->VideoProcessBlt(m_RenderTarget, &bltParams, &sample, 1, nullptr); hr = m_Processor->VideoProcessBlt(m_RenderTarget, &bltParams, &sample, 1, nullptr);
if (FAILED(hr)) { if (FAILED(hr)) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, SDL_LogError(SDL_LOG_CATEGORY_APPLICATION,
"VideoProcessBlt() failed: %x", "VideoProcessBlt() failed: %x",
hr); hr);
av_frame_free(&frame);
return;
} }
m_Device->Present(nullptr, nullptr, nullptr, nullptr); m_Device->Present(nullptr, nullptr, nullptr, nullptr);
app/streaming/video/ffmpeg-renderers/sdl.cpp
+5
View File
@@ -41,6 +41,11 @@ bool SdlRenderer::initialize(SDL_Window* window,
// logical rendering surface size is equal to the stream size // logical rendering surface size is equal to the stream size
SDL_RenderSetLogicalSize(m_Renderer, width, height); SDL_RenderSetLogicalSize(m_Renderer, width, height);
// Draw a black frame until the video stream starts rendering
SDL_SetRenderDrawColor(m_Renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
SDL_RenderClear(m_Renderer);
SDL_RenderPresent(m_Renderer);
m_Texture = SDL_CreateTexture(m_Renderer, m_Texture = SDL_CreateTexture(m_Renderer,
SDL_PIXELFORMAT_YV12, SDL_PIXELFORMAT_YV12,
SDL_TEXTUREACCESS_STREAMING, SDL_TEXTUREACCESS_STREAMING,