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default to gstreamer backend for linux #1140

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Merged
Mysticial merged 3 commits into from
Mar 21, 2026
Merged

default to gstreamer backend for linux #1140

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8122f6e
Default to gstreamer backend to prevent capture card flickering
ConnorC432 Mar 11, 2026
2f7057c
default auto-reset to 0 on linux builds to prevent black frames on reset
ConnorC432 Mar 14, 2026
182ef73
another comment
ConnorC432 Mar 20, 2026
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8 changes: 8 additions & 0 deletions SerialPrograms/Source/CommonFramework/Main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -201,6 +201,14 @@ int main(int argc, char *argv[]){
set_program_path(argv[0]);
#endif

#if defined(__linux__)
// Qt multimedia, default to gstreamer to prevent flickering
// Easier than the alternative which is compiling qt6multimedia with QT_DEFAULT_MEDIA_BACKEND
// See: https://doc.qt.io/qt-6.5/qtmultimedia-index.html
if (qEnvironmentVariableIsEmpty("QT_MEDIA_BACKEND"))
qputenv("QT_MEDIA_BACKEND", "gstreamer");
#endif

// So far, this is only needed on Mac where static initialization is fucked up.
PokemonAutomation::register_all_statics();

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6 changes: 5 additions & 1 deletion SerialPrograms/Source/CommonFramework/VideoPipeline/VideoPipelineOptions.h
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Expand Up @@ -34,9 +34,13 @@ class VideoPipelineOptions : public GroupOption{
, AUTO_RESET_SECONDS(
"<b>Video Auto-Reset:</b><br>"
"Attempt to reset the video if this many seconds has elapsed since the last video frame (in order to fix issues with RDP disconnection, etc).<br>"
"This option is not supported by all video frameworks.",
"This option is not supported by all video frameworks. Set to a value of 0 to disable Auto-Reset.",
LockMode::UNLOCK_WHILE_RUNNING,
#if defined(__linux__)
0 // Default to disabled on linux, auto-resets briefly output black frames
#else
5
#endif
)
{
PA_ADD_OPTION(VIDEO_BACKEND);
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