win-wasapi: Add support for capturing a process

obsproject · Aug 30, 2021 · ce3edda · ce3edda
1 parent 9b6cc99
commit ce3edda
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Showing 3 changed files with 304 additions and 47 deletions.
diff --git a/plugins/win-wasapi/data/locale/en-US.ini b/plugins/win-wasapi/data/locale/en-US.ini
@@ -3,3 +3,7 @@ AudioOutput="Audio Output Capture"
 Device="Device"
 Default="Default"
 UseDeviceTiming="Use Device Timestamps"
+Method="Method"
+Method.Device="Device"
+Method.Process="Process (Windows 10 2004 and up)"
+ProcessId="Process ID"
diff --git a/plugins/win-wasapi/plugin-main.cpp b/plugins/win-wasapi/plugin-main.cpp
@@ -1,5 +1,7 @@
 #include <obs-module.h>
 
+#include <util/windows/win-version.h>
+
 OBS_DECLARE_MODULE()
 OBS_MODULE_USE_DEFAULT_LOCALE("win-wasapi", "en-US")
 MODULE_EXPORT const char *obs_module_description(void)
@@ -10,8 +12,20 @@ MODULE_EXPORT const char *obs_module_description(void)
 void RegisterWASAPIInput();
 void RegisterWASAPIOutput();
 
+bool process_filter_supported;
+
 bool obs_module_load(void)
 {
+	/* MS says 20348, but process filtering seems to work earlier */
+	struct win_version_info ver;
+	get_win_ver(&ver);
+	struct win_version_info minimum;
+	minimum.major = 10;
+	minimum.minor = 0;
+	minimum.build = 19041;
+	minimum.revis = 0;
+	process_filter_supported = win_version_compare(&ver, &minimum) >= 0;
+
 	RegisterWASAPIInput();
 	RegisterWASAPIOutput();
 	return true;