moonlight-stream/moonlight-qt
1
0
Fork 0
mirror of https://github.com/moonlight-stream/moonlight-qt.git synced 2026-06-16 21:51:17 +00:00
Code Issues Packages Projects Releases Wiki Activity

Allow renderers to apply size and display changes seamlessly

Browse Source
This commit is contained in:
Cameron Gutman
2022-04-24 15:42:08 -05:00
parent 6c339551eb
commit c989133d27
8 changed files with 106 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/streaming/video/ffmpeg-renderers/sdlvid.cpp
+30 -12
View File
@@ -91,6 +91,8 @@ bool SdlRenderer::initialize(PDECODER_PARAMETERS params)
Uint32 rendererFlags = SDL_RENDERER_ACCELERATED;
m_VideoFormat = params->videoFormat;
m_VideoWidth = params->width;
m_VideoHeight = params->height;
if (params->videoFormat == VIDEO_FORMAT_H265_MAIN10) {
// SDL doesn't support rendering YUV 10-bit textures yet
@@ -139,18 +141,8 @@ bool SdlRenderer::initialize(PDECODER_PARAMETERS params)
SDL_FlushEvent(SDL_WINDOWEVENT);
}
// Calculate the video region size, scaling to fill the output size while
// preserving the aspect ratio of the video stream.
SDL_Rect src, dst;
src.x = src.y = 0;
src.w = params->width;
src.h = params->height;
dst.x = dst.y = 0;
SDL_GetRendererOutputSize(m_Renderer, &dst.w, &dst.h);
StreamUtils::scaleSourceToDestinationSurface(&src, &dst);
// Ensure the viewport is set to the desired video region
SDL_RenderSetViewport(m_Renderer, &dst);
// Set the renderer viewport to draw the video while preserving aspect ratio
updateViewport();
// Draw a black frame until the video stream starts rendering
SDL_SetRenderDrawColor(m_Renderer, 0, 0, 0, SDL_ALPHA_OPAQUE);
@@ -339,6 +331,22 @@ AVFrame* SdlRenderer::getSwFrameFromHwFrame(AVFrame* hwFrame)
return swFrame;
}
void SdlRenderer::updateViewport()
{
// Calculate the video region size, scaling to fill the output size while
// preserving the aspect ratio of the video stream.
SDL_Rect src, dst;
src.x = src.y = 0;
src.w = m_VideoWidth;
src.h = m_VideoHeight;
dst.x = dst.y = 0;
SDL_GetRendererOutputSize(m_Renderer, &dst.w, &dst.h);
StreamUtils::scaleSourceToDestinationSurface(&src, &dst);
// Ensure the viewport is set to the desired video region
SDL_RenderSetViewport(m_Renderer, &dst);
}
void SdlRenderer::renderFrame(AVFrame* frame)
{
int err;
@@ -580,3 +588,13 @@ bool SdlRenderer::testRenderFrame(AVFrame* frame)
return true;
}
bool SdlRenderer::applyWindowChange(int, int, int flags)
{
if (flags == WINDOW_SIZE_CHANGED) {
updateViewport();
return true;
}
return false;
}