updated to use portaudio v19.

on startup creates a daemon using NSTask.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@21640 72102866-910b-0410-8b05-ffd578937521

Tools/gsnd/gsnd.m

@@ -251,6 +251,8 @@ gsnd_log (int prio)
 
 - (void)checkIsPlaying;
 
+- (void)closeStream;
+
 - (Snd *)cachedSoundWithName:(NSString *)aName;
 
 - (void)checkCachedSounds;
@@ -270,7 +272,7 @@ gsnd_log (int prio)
 
 
 SoundServer *gsnd = nil;
-PortAudioStream *pStream = NULL;
+PaStream *pStream = NULL;
 
 struct SoundServer_t {
 	@defs(SoundServer)
@@ -291,8 +293,7 @@ struct SoundServer_t {
 {
   self = [super init];
 	
-  if (self) 
+  if (self) {	
-    {	
     ASSIGN (name, [anobject name]);
     ASSIGN (identifier, [anobject identifier]);		
     data = [[anobject data] mutableCopy];
@@ -463,14 +464,14 @@ struct SoundServer_t {
 @end
 
 
-@implementation SoundServer
-
 static int paCallback(void *inputBuffer,
                       void *outputBuffer,
 		         unsigned long framesPerBuffer,
-		      PaTimestamp outTime,
+		      const PaStreamCallbackTimeInfo *timeInfo,
+                   PaStreamCallbackFlags statusFlags,
                       void *userData)
 {
+  NSAutoreleasePool *pool;										
   NSData *data;
   long length;	
   int chunkLength;
@@ -479,7 +480,11 @@ static int paCallback(void *inputBuffer,
   gss16 *in;
   int i;
 	
-  CREATE_AUTORELEASE_POOL(pool);										
+#ifdef GNUSTEP
+  GSRegisterCurrentThread();
+#endif
+    
+  pool = [[NSAutoreleasePool alloc] init];
   
   data = serverPtr->soundData;
   length = [data length];	
@@ -502,19 +507,8 @@ static int paCallback(void *inputBuffer,
   }
 
   if (retvalue == 1) {
-    PaError err;
+    [(SoundServer *)serverPtr performSelectorOnMainThread: @selector(closeStream)
-				
+			            withObject: (SoundServer *)serverPtr waitUntilDone: NO];
-    err = Pa_CloseStream(pStream);
-    if (err != paNoError) {
-      NSLog(@"PortAudio Pa_CloseStream error: %s", Pa_GetErrorText(err));			
-    }
-		
-    err = Pa_Terminate();	
-    if (err != paNoError) {
-      NSLog(@"PortAudio Pa_Terminate error: %s", Pa_GetErrorText(err));			
-    }
-		
-    [(SoundServer *)serverPtr stopAll];
   }
 
   serverPtr->isPlaying = !retvalue;
@@ -524,6 +518,9 @@ static int paCallback(void *inputBuffer,
   return retvalue;
 }
 
+
+@implementation SoundServer
+
 - (void)dealloc
 {
   [nc removeObserver: self];
@@ -558,11 +555,13 @@ static int paCallback(void *inputBuffer,
     [conn setDelegate: self];
     [nc addObserver: self
 	         selector: @selector(connectionBecameInvalid:)
-	name: NSConnectionDidDieNotification object: (id)conn];
+	             name: NSConnectionDidDieNotification 
+            object: (id)conn];
 
     hostname = [[NSUserDefaults standardUserDefaults] stringForKey: @"NSHost"];
+    
     if ([hostname length] == 0
-    	|| [[NSHost hostWithName: hostname] isEqual: [NSHost currentHost]] == YES) {
+    	  || [[NSHost hostWithName: hostname] isEqual: [NSHost currentHost]]) {
       if ([conn registerName: GSNDNAME] == NO) {
 	      NSLog(@"Unable to register with name server.\n");
 	      exit(1);
@@ -746,37 +745,36 @@ static int paCallback(void *inputBuffer,
   int d = 0;
 
   err = Pa_Initialize();
-  if(err != paNoError) {
+
-    NSLog(@"PortAudio error: %s", Pa_GetErrorText(err));
+  if (err != paNoError) {
-  } else {
+    fprintf(stderr, "An error occured while using the portaudio stream\n");
-    NSLog(@"Pa_Initialize");
+    fprintf(stderr, "Error number: %d\n", err );
+    fprintf(stderr, "Error message: %s\n", Pa_GetErrorText(err));
+
+    Pa_Terminate();
+    return;
   }
 		  
   err = Pa_OpenDefaultStream(&pStream, 0, DEFAULT_CHANNELS, paInt16, 
-			     PLAY_RATE, BUFFER_SIZE_IN_FRAMES, 0, paCallback, &d);
+			     PLAY_RATE, BUFFER_SIZE_IN_FRAMES, (PaStreamCallback *)paCallback, &d);
-
-  if(err != paNoError) {
-    NSLog(@"PortAudio Pa_OpenDefaultStream error: %s", Pa_GetErrorText(err));
-  } else {
-    NSLog(@"Pa_OpenDefaultStream");
-  }
 
+  if (err == paNoError) {
     err = Pa_StartStream(pStream);
-  if(err != paNoError) {
+  
-    NSLog(@"PortAudio Pa_StartStream error: %s", Pa_GetErrorText(err));
+    if (err == paNoError) {
+      Pa_Sleep(2);
     } else {
-    NSLog(@"Pa_StartStream");
+      NSLog(@"PortAudio Pa_StartStream error: %s", Pa_GetErrorText(err));
     }
     
-  Pa_Sleep(2);
+  } else {
+    NSLog(@"PortAudio Pa_OpenDefaultStream error: %s", Pa_GetErrorText(err));
+  }
 }
 
 - (void)mixWithSound:(Snd *)snd
 {
-  if (isPlaying == NO) {
+  if (isPlaying) {
-    return;
-		
-  } else {
     NSData *snddata = [snd remainingData];
     long inFrameCount = (long)([snddata length] / FRAME_SIZE); 
     gss16 *in = (gss16 *)[snddata bytes];		
@@ -790,6 +788,7 @@ static int paCallback(void *inputBuffer,
     [snd setEndPos: posInBytes + (long)([snddata length] / FRAME_SIZE)];
 
     j = 0;	
+    
     for (i = posInBytes; i < frameCount; i++) {
       sum_l = out[i * 2] + in[j * 2];
       sum_r = out[i * 2 + 1] + in[j * 2 + 1];
@@ -804,6 +803,7 @@ static int paCallback(void *inputBuffer,
     }
 
     inPos = (j * FRAME_SIZE);	
+    
     if (inPos < ([snddata length] - 1)) {
       long remLength = [snddata length] - inPos;
       NSRange range = NSMakeRange(inPos, remLength);
@@ -818,10 +818,7 @@ static int paCallback(void *inputBuffer,
 
 - (void)unMixSound:(Snd *)snd
 {
-  if (isPlaying == NO) {
+  if (isPlaying) {
-    return;
-		
-  } else {
     int *in = (int *)[[snd data] bytes];		
     int *out = (int *)[soundData mutableBytes];
     long deleteFrom = [snd startPos] + [snd posInBytes];
@@ -903,12 +900,41 @@ static int paCallback(void *inputBuffer,
   }
 }
 
+- (void)closeStream
+{
+  PaError err;
+
+  err = Pa_StopStream(pStream);
+
+  if (err != paNoError) {
+    NSLog(@"PortAudio Pa_StopStream error: %s", Pa_GetErrorText(err));	
+    return;		
+  }
+  
+  err = Pa_CloseStream(pStream);
+
+  if (err != paNoError) {
+    NSLog(@"PortAudio Pa_CloseStream error: %s", Pa_GetErrorText(err));
+    return;			
+  }
+
+  err = Pa_Terminate();	
+
+  if (err != paNoError) {
+    NSLog(@"PortAudio Pa_Terminate error: %s", Pa_GetErrorText(err));	
+    return;		
+  }
+
+  [self stopAll];
+}
+
 - (Snd *)cachedSoundWithName:(NSString *)aName
 {
   int i;
 			
   for (i = 0; i < [sounds count]; i++) {
     Snd *snd = [sounds objectAtIndex: i];	
+    
     if ([[snd name] isEqual: aName]) {
       return snd;
     }
@@ -1008,7 +1034,7 @@ static int paCallback(void *inputBuffer,
 }
 
 - (BOOL)connection:(NSConnection*)ancestor
-shouldMakeNewConnection:(NSConnection*)newConn;
+          shouldMakeNewConnection:(NSConnection*)newConn;
 {
   [nc addObserver: self
          selector: @selector(connectionBecameInvalid:)
@@ -1034,95 +1060,80 @@ shouldMakeNewConnection:(NSConnection*)newConn;
 
 @end
 
-int 
+int main(int argc, char** argv, char **env)
-main(int argc, char** argv, char **env)
 {
-  int c;
   CREATE_AUTORELEASE_POOL(pool);
+  BOOL subtask = YES;
+  NSProcessInfo *pInfo;
+  NSMutableArray *args;
 
 #ifdef GS_PASS_ARGUMENTS
   [NSProcessInfo initializeWithArguments: argv count: argc environment: env];
 #endif
 
-#ifdef __MINGW__
+  pInfo = [NSProcessInfo processInfo];
-  {
+  args = AUTORELEASE ([[pInfo arguments] mutableCopy]);
-    char **a = malloc((argc+2) * sizeof(char*));
 
-    memcpy(a, argv, argc * sizeof(char*));
+  if ([[pInfo arguments] containsObject: @"--daemon"]) {
-    a[argc] = "--no-fork";
+    subtask = NO;
-    a[argc+1] = 0;
+    is_daemon = YES;
-    if (_spawnv(_P_NOWAIT, argv[0], a) == -1) {
-      fprintf(stderr, "gsnd - spawn failed - bye.\n");
-      exit(1);
-    }
-    exit(0);
-  }
-#else
-  is_daemon = 1;
-  switch (fork()) {
-  case -1:
-    NSLog(@"gsnd - fork failed - bye.\n");
-    exit(1);
-
-  case 0:
-#ifdef NeXT
-    setpgrp(0, getpid());
-#else
-    setsid();
-#endif
-    break;
-
-  default:
-    exit(0);
   }
 
-  /*
+  if (subtask) {
-   *	Ensure we don't have any open file descriptors which may refer
+    NSFileHandle *null;
-   *	to sockets bound to ports we may try to use.
+    NSTask *t;
-   *
+
-   *	Use '/dev/null' for stdin and stdout.  Assume stderr is ok.
+    t = [NSTask new];
-   */
+    
-  for (c = 0; c < FD_SETSIZE; c++)
+    NS_DURING
 	    {
-      if (is_daemon || (c != 2))
+	      [args removeObjectAtIndex: 0];
-	{
+	      [args addObject: @"--daemon"];
-	  (void)close(c);
+	      [t setLaunchPath: [[NSBundle mainBundle] executablePath]];
+	      [t setArguments: args];
+	      [t setEnvironment: [pInfo environment]];
+	      null = [NSFileHandle fileHandleWithNullDevice];
+	      [t setStandardInput: null];
+	      [t setStandardOutput: null];
+	      [t setStandardError: null];
+	      [t launch];
+	      DESTROY(t);
 	    }
-    }
+    NS_HANDLER
-  if (open("/dev/null", O_RDONLY) != 0)
       {
-      sprintf(ebuf, "failed to open stdin from /dev/null (%s)\n",
-	      strerror(errno));
 	      gsnd_log(LOG_CRIT);
+	      DESTROY(t);
+	    }
+    NS_ENDHANDLER
+  
     exit(EXIT_FAILURE);
   }
-  if (open("/dev/null", O_WRONLY) != 1)
+
+  RELEASE(pool);
+
   {
-      sprintf(ebuf, "failed to open stdout from /dev/null (%s)\n",
+#if GS_WITH_GC == 0
-	      strerror(errno));
+    CREATE_AUTORELEASE_POOL(pool);
-      gsnd_log(LOG_CRIT);
-      exit(EXIT_FAILURE);
-    }
-  if (is_daemon && open("/dev/null", O_WRONLY) != 2)
-    {
-      sprintf(ebuf, "failed to open stderr from /dev/null (%s)\n",
-	      strerror(errno));
-      gsnd_log(LOG_CRIT);
-      exit(EXIT_FAILURE);
-    }
 #endif
 
     gsnd = [[SoundServer alloc] init];
 
-  if (gsnd == nil) 
+    [[NSFileHandle fileHandleWithStandardInput] closeFile];
-    {
+    [[NSFileHandle fileHandleWithStandardOutput] closeFile];
-      NSLog(@"Unable to create gsnd object.\n");
+  #ifndef __MINGW__
-      exit(1);
+    [[NSFileHandle fileHandleWithStandardError] closeFile];
+  #endif
+
+    RELEASE (pool);
   }
 
+  if (gsnd != nil) {
+    CREATE_AUTORELEASE_POOL(pool);
     [[NSRunLoop currentRunLoop] run];
     RELEASE(pool);
-  exit(0);
+  }
+	
+  exit(EXIT_SUCCESS);
 }