ScreenRecorder: Add additional search paths

Adds a function FileUtils::usefullExtraSearchPaths() that returns
OS specific paths that often are not in PATH by default, but contain
useful apps we want to find.

Change-Id: Ideb7c45b241c69c9f2db8f75726bb63249000a5f
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/libs/utils/fileutils.cpp

@@ -6,6 +6,7 @@
 
 #include "algorithm.h"
 #include "devicefileaccess.h"
+#include "environment.h"
 #include "qtcassert.h"
 #include "utilstr.h"
 
@@ -843,4 +844,18 @@ qint64 FileUtils::bytesAvailableFromDFOutput(const QByteArray &dfOutput)
     return -1;
 }
 
+FilePaths FileUtils::usefulExtraSearchPaths()
+{
+    if (HostOsInfo::isMacHost()) {
+        return {"/opt/homebrew/bin"};
+    } else if (HostOsInfo::isWindowsHost()) {
+        const QString programData =
+            qtcEnvironmentVariable("ProgramData",
+                                   qtcEnvironmentVariable("ALLUSERSPROFILE", "C:/ProgramData"));
+        return {FilePath::fromUserInput(programData) / "chocolatey/bin"};
+    }
+
+    return {};
+}
+
 } // namespace Utils

src/libs/utils/fileutils.h

@@ -85,6 +85,9 @@ public:
 
     static FilePathInfo filePathInfoFromTriple(const QString &infos, int modeBase);
 
+    //! Returns known paths like /opt/homebrew on macOS that might not be in PATH
+    static FilePaths usefulExtraSearchPaths();
+
 #ifdef QT_WIDGETS_LIB
     static void setDialogParentGetter(const std::function<QWidget *()> &getter);
 

src/plugins/screenrecorder/screenrecordersettings.cpp

@@ -54,16 +54,18 @@ ScreenRecorderSettings::ScreenRecorderSettings()
     ffmpegTool.setSettingsKey("FFmpegTool");
     ffmpegTool.setExpectedKind(PathChooser::ExistingCommand);
     ffmpegTool.setCommandVersionArguments(versionArgs);
-    const FilePath ffmpegDefault =
+    const FilePath ffmpegDefault
-        Environment::systemEnvironment().searchInPath(Constants::FFMPEG_COMMAND);
+        = Environment::systemEnvironment().searchInPath(Constants::FFMPEG_COMMAND,
+                                                        FileUtils::usefulExtraSearchPaths());
     ffmpegTool.setDefaultValue(ffmpegDefault.toUserOutput());
     ffmpegTool.setLabelText(Tr::tr("ffmpeg tool:"));
 
     ffprobeTool.setSettingsKey("FFprobeTool");
     ffprobeTool.setExpectedKind(PathChooser::ExistingCommand);
     ffprobeTool.setCommandVersionArguments(versionArgs);
-    const FilePath ffprobeDefault =
+    const FilePath ffprobeDefault
-        Environment::systemEnvironment().searchInPath(Constants::FFPROBE_COMMAND);
+        = Environment::systemEnvironment().searchInPath(Constants::FFPROBE_COMMAND,
+                                                        FileUtils::usefulExtraSearchPaths());
     ffprobeTool.setDefaultValue(ffprobeDefault.toUserOutput());
     ffprobeTool.setLabelText(Tr::tr("ffprobe tool:"));