compile fix

stepmania/src/arch/Sound/RageSoundDriver_ALSA9.cpp

@@ -27,14 +27,15 @@ void RageSound_ALSA9::MixerThread()
 {
 	/* SOUNDMAN will be set once RageSoundManager's ctor returns and
 	 * assigns it; we might get here before that happens, though. */
-	while(!SOUNDMAN && !shutdown) SDL_Delay(10);
+	while( !SOUNDMAN && !shutdown )
+		usleep( 10000 );
 
 	while(!shutdown)
 	{
 		/* Sleep for the size of one chunk. */
 		const int chunksize_frames = max_writeahead / num_chunks;
 		float sleep_secs = (float(chunksize_frames) / samplerate);
-		SDL_Delay( 20 ); // int(1000 * sleep_secs));
+		usleep( 20000 ); // int(1000 * sleep_secs));
 
 		LockMut( m_Mutex );
 

stepmania/src/arch/Sound/RageSoundDriver_ALSA9_Software.cpp

@@ -37,7 +37,8 @@ void RageSound_ALSA9_Software::MixerThread()
 {
 	/* SOUNDMAN will be set once RageSoundManager's ctor returns and
 	 * assigns it; we might get here before that happens, though. */
-	while(!SOUNDMAN && !shutdown) SDL_Delay(10);
+	while( !SOUNDMAN && !shutdown )
+		usleep( 10000 );
 
 	setpriority( PRIO_PROCESS, 0, -15 );
 

stepmania/src/arch/Sound/RageSoundDriver_Generic_Software.cpp

@@ -142,14 +142,14 @@ void RageSound_Generic_Software::DecodeThread()
 	/* SOUNDMAN will be set once RageSoundManager's ctor returns and
 	 * assigns it; we might get here before that happens, though. */
 	while( !SOUNDMAN && !shutdown_decode_thread )
-		SDL_Delay( 10 );
+		usleep( 10000 );
 
 	SetupDecodingThread();
 
 	while( !shutdown_decode_thread )
 	{
 		/* Fill each playing sound, round-robin. */
-		SDL_Delay( 1000*chunksize() / GetSampleRate(0) );
+		usleep( 1000000*chunksize() / GetSampleRate(0) );
 
 		LockMut( m_Mutex );
 //		LOG->Trace("begin mix");