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Adjust MMAL and RPi workarounds for Pi 5 and Bookworm support

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This commit is contained in:
Cameron Gutman 2023-10-12 18:46:11 -05:00
parent c14cc70a6a
commit 9120fd01a8
1 changed files with 41 additions and 29 deletions
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62
app/streaming/video/ffmpeg-renderers/drm.cpp
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@ -594,6 +594,35 @@ int DrmRenderer::getRendererAttributes()
// This renderer does not buffer any frames in the graphics pipeline
attributes |= RENDERER_ATTRIBUTE_NO_BUFFERING;
#ifdef GL_IS_SLOW
// Restrict streaming resolution to 1080p on the Pi 4 while in the desktop environment.
// EGL performance is extremely poor and just barely hits 1080p60 on Bookworm. This also
// covers the MMAL H.264 case which maxes out at 1080p60 too.
if (!m_SupportsDirectRendering &&
(strcmp(m_Version->name, "vc4") == 0 || strcmp(m_Version->name, "v3d") == 0) &&
qgetenv("RPI_ALLOW_EGL_4K") != "1") {
drmDevicePtr device;
if (drmGetDevice(m_DrmFd, &device) == 0) {
if (device->bustype == DRM_BUS_PLATFORM) {
for (int i = 0; device->deviceinfo.platform->compatible[i]; i++) {
QString compatibleId(device->deviceinfo.platform->compatible[i]);
if (compatibleId == "brcm,bcm2835-vc4" || compatibleId == "brcm,bcm2711-vc5" || compatibleId == "brcm,2711-v3d") {
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Streaming resolution is limited to 1080p on the Pi 4 inside the desktop environment!");
SDL_LogWarn(SDL_LOG_CATEGORY_APPLICATION,
"Run Moonlight directly from the console to stream above 1080p resolution!");
attributes |= RENDERER_ATTRIBUTE_1080P_MAX;
break;
}
}
}
drmFreeDevice(&device);
}
}
#endif
return attributes;
}
@ -1210,39 +1239,22 @@ bool DrmRenderer::canExportEGL() {
return false;
}
#ifdef HAVE_MMAL
// EGL rendering is so slow on the Raspberry Pi 4 that we should basically
// never use it. It is suitable for 1080p 30 FPS on a good day, and much
// much less than that if you decide to do something crazy like stream
// in full-screen. It's nice that it at least works now on Bullseye, but
// it's so slow that we actually wish it didn't.
if ((strcmp(m_Version->name, "vc4") == 0 || strcmp(m_Version->name, "v3d") == 0) && qgetenv("RPI_ALLOW_EGL_RENDER") != "1") {
drmDevicePtr device;
bool matchedBadDevice = false;
if (drmGetDevice(m_DrmFd, &device) == 0) {
if (device->bustype == DRM_BUS_PLATFORM) {
for (int i = 0; device->deviceinfo.platform->compatible[i]; i++) {
QString compatibleId(device->deviceinfo.platform->compatible[i]);
if (compatibleId == "brcm,bcm2835-vc4" || compatibleId == "brcm,bcm2711-vc5" || compatibleId == "brcm,2711-v3d") {
// in full-screen. MMAL is the ideal rendering API for Buster and Bullseye,
// but it's gone in Bookworm. Fortunately, Bookworm has a more efficient
// rendering pipeline that makes EGL mostly usable as long as we stick
// to a 1080p 60 FPS maximum.
if (qgetenv("RPI_ALLOW_EGL_RENDER") != "1") {
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Disabling EGL rendering due to low performance on %s",
device->deviceinfo.platform->compatible[i]);
"Disabling EGL rendering due to low performance on Raspberry Pi 4");
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"Set RPI_ALLOW_EGL_RENDER=1 to override");
matchedBadDevice = true;
break;
}
}
}
drmFreeDevice(&device);
}
if (matchedBadDevice) {
return false;
}
}
#endif
SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION,
"DRM backend supports exporting EGLImage");