engine: platform: add audio capture shutdown functions

engine/platform/android/snd_opensles.c

@@ -268,5 +268,10 @@ qboolean VoiceCapture_RecordStart( void )
 void VoiceCapture_RecordStop( void )
 {
 
+}
+
+void VoiceCapture_Shutdown( void )
+{
+
 }
 #endif

engine/platform/linux/s_alsa.c

@@ -356,4 +356,9 @@ void VoiceCapture_RecordStop( void )
 
 }
 
+void VoiceCapture_Shutdown( void )
+{
+
+}
+
 #endif

engine/platform/platform.h

@@ -162,6 +162,7 @@ void SNDDMA_Activate( qboolean active ); // pause audio
 // void SNDDMA_LockSound( void ); // unused
 // void SNDDMA_UnlockSound( void ); // unused
 qboolean VoiceCapture_Init( void );
+void VoiceCapture_Shutdown( void );
 qboolean VoiceCapture_RecordStart( void );
 void VoiceCapture_RecordStop( void );
 

engine/platform/sdl/s_sdl.c

@@ -44,7 +44,7 @@ so it can unlock and free the data block after it has been played.
 =======================================================================
 */
 static int sdl_dev;
-static SDL_AudioDeviceID in_dev;
+static SDL_AudioDeviceID in_dev = 0;
 static SDL_AudioFormat sdl_format;
 
 //static qboolean	snd_firsttime = true;
@@ -259,7 +259,7 @@ qboolean VoiceCapture_Init( void )
 
 	in_dev = SDL_OpenAudioDevice( NULL, SDL_TRUE, &wanted, &spec, 0 );
 
-	if( SDLash_IsAudioError( in_dev ) )
+	if( SDLash_IsAudioError( in_dev ))
 	{
 		Con_Printf( "VoiceCapture_Init: error creating capture device (%s)\n", SDL_GetError() );
 		return false;
@@ -288,7 +288,21 @@ VoiceCapture_RecordStop
 */
 void VoiceCapture_RecordStop( void )
 {
-	SDL_PauseAudioDevice( in_dev, SDL_TRUE );
+	if( in_dev )
+		SDL_PauseAudioDevice( in_dev, SDL_TRUE );
+}
+
+/*
+==========
+VoiceCapture_Shutdown
+==========
+*/
+void VoiceCapture_Shutdown( void )
+{
+	if( !in_dev )
+		return;
+
+	SDL_CloseAudioDevice( in_dev );
 }
 
 #endif // XASH_SOUND == SOUND_SDL

engine/platform/stub/s_stub.c

@@ -109,5 +109,10 @@ void VoiceCapture_RecordStop( void )
 
 }
 
+void VoiceCapture_Shutdown( void )
+{
+
+}
+
 #endif
 #endif