Sound (macOS): ignore input devices

Author: CarterLi

CHANGELOG.md

@@ -7,6 +7,7 @@ Bugfixes:
 * Fix possible crashes on Windows 7 (Disk, Windows)
 * Fix possible crashes caused by uninitialized strings (Users, Windows)
 * Improve support of `--help *-format` and several bugs are found and fixed
+* Don't incorrectly print `No active sound devices found` when using a non-controllable sound device (Sound, macOS)
 
 # 2.1.0
 

src/detection/sound/sound_apple.c

@@ -41,6 +41,14 @@ const char* ffDetectSound(FFlist* devices /* List of FFSoundDevice */)
         }, 0, NULL, &dataSize, &name) != kAudioHardwareNoError)
             continue;
 
+        // Ignore input devices
+        if(AudioObjectGetPropertyDataSize(deviceId, &(AudioObjectPropertyAddress){
+            kAudioDevicePropertyStreams,
+            kAudioObjectPropertyScopeInput,
+            kAudioObjectPropertyElementMain
+        }, 0, NULL, &dataSize) == kAudioHardwareNoError && dataSize > 0)
+            continue;
+
         uint32_t connected;
         dataSize = sizeof(connected);
         if(AudioObjectGetPropertyData(deviceId, &(AudioObjectPropertyAddress){