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Improve unsupported FPS options and performance

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This commit is contained in:
Cameron Gutman 2018-09-08 15:09:46 -07:00
commit c9a7c15f98
7 changed files with 110 additions and 65 deletions
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28
app/streaming/video/ffmpeg-renderers/dxva2.cpp
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@ -17,7 +17,6 @@ DEFINE_GUID(DXVADDI_Intel_ModeH264_E, 0x604F8E68,0x4951,0x4C54,0x88,0xFE,0xAB,0x
#define SAFE_COM_RELEASE(x) if (x) { (x)->Release(); }
DXVA2Renderer::DXVA2Renderer() :
m_ForceVsyncOn(false),
m_DecService(nullptr),
m_Decoder(nullptr),
m_SurfacesUsed(0),
@ -467,7 +466,6 @@ bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
D3DPRESENT_PARAMETERS d3dpp = {};
d3dpp.hDeviceWindow = info.info.win.window;
d3dpp.Flags = D3DPRESENTFLAG_VIDEO;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
if ((windowFlags & SDL_WINDOW_FULLSCREEN_DESKTOP) == SDL_WINDOW_FULLSCREEN) {
d3dpp.Windowed = false;
@ -490,14 +488,20 @@ bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
// to reduce latency by avoiding double v-syncing.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
// D3DSWAPEFFECT_FLIPEX requires at least 2 back buffers to allow us to
// continue while DWM is waiting to render the surface to the display.
d3dpp.SwapEffect = D3DSWAPEFFECT_FLIPEX;
d3dpp.BackBufferCount = 2;
// We need our V-sync source enabled to synchronize with DWM composition
// and avoid micro-stuttering.
m_ForceVsyncOn = true;
// If V-sync is enabled (not rendering faster than display),
// we can use FlipEx for more efficient swapping.
if (enableVsync) {
// D3DSWAPEFFECT_FLIPEX requires at least 2 back buffers to allow us to
// continue while DWM is waiting to render the surface to the display.
d3dpp.SwapEffect = D3DSWAPEFFECT_FLIPEX;
d3dpp.BackBufferCount = 2;
}
else {
// With V-sync off, we won't use FlipEx because that will block while
// DWM is waiting to render our surface (effectively behaving like V-Sync).
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferCount = 1;
}
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Windowed mode with DWM running");
@ -506,6 +510,7 @@ bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
// Uncomposited desktop or full-screen exclusive mode with V-sync enabled
// We will enable V-sync in this scenario to avoid tearing.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferCount = 1;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
@ -515,6 +520,7 @@ bool DXVA2Renderer::initializeDevice(SDL_Window* window, bool enableVsync)
// Uncomposited desktop or full-screen exclusive mode with V-sync disabled
// We will allowing tearing for lowest latency.
d3dpp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
d3dpp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3dpp.BackBufferCount = 1;
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
@ -631,7 +637,7 @@ int DXVA2Renderer::getDecoderCapabilities()
IFFmpegRenderer::VSyncConstraint DXVA2Renderer::getVsyncConstraint()
{
return m_ForceVsyncOn ? VSYNC_FORCE_ON : VSYNC_ANY;
return VSYNC_ANY;
}
void DXVA2Renderer::renderFrameAtVsync(AVFrame *frame)