MP3 streaming!

Plugins/FileSource/FileSource.m

@@ -30,7 +30,7 @@
 
 - (BOOL)seekable
 {
-	return YES;
+	return NO;
 }
 
 - (BOOL)seek:(long)position whence:(int)whence

Plugins/HTTPSource/HTTPSource.h

@@ -15,6 +15,8 @@
 {
 	Socket *_socket;
 	
+	BOOL pastHeader;
+	
 	long byteCount;
 }
 

Plugins/HTTPSource/HTTPSource.m

@@ -28,6 +28,7 @@
 	if (_socket) {
 		NSData *request = [[NSString stringWithFormat:@"GET %@ HTTP/1.0\nHOST: %@\n\n",[url path],[url host]] dataUsingEncoding:NSUTF8StringEncoding];
 		[_socket send:(void *)[request bytes] amount:[request length]];
+		pastHeader = NO;
 	}
 	
 	return (_socket != nil);
@@ -56,6 +57,44 @@
 - (int)read:(void *)buffer amount:(int)amount
 {
 	int l = [_socket receive:buffer amount:amount];
+
+	if (!pastHeader) {
+		uint8_t *f = (uint8_t *)strnstr((const char *)buffer, "\r\n\r\n", l);
+		if (f)
+		{
+			pastHeader = YES;
+			
+			uint8_t *bufferOffset = f + 4; //\r\n\r\n
+			uint8_t *bufferEnd = (uint8_t *)buffer + l;
+			int amountRemaining = bufferEnd - bufferOffset;
+			
+			/*
+			//For testing only
+			FILE *testFout = fopen("header.raw", "w");
+			fwrite(buffer, 1, bufferOffset - (uint8_t *)buffer, testFout);
+			fclose(testFout);
+
+			testFout = fopen("test.raw", "w");
+			fwrite(bufferOffset, 1, amountRemaining, testFout);
+			fclose(testFout);
+			*/
+			
+			memmove(buffer,bufferOffset, amountRemaining);
+			
+			return amountRemaining + [self read:((uint8_t *)buffer + amountRemaining) amount:(amount - amountRemaining)];
+		}
+		else {
+			//Keep searching for header. Note: NEED TO WATCH BOUNDARY CASES
+			return [self read:buffer amount:amount];
+		}
+	}
+
+	/*
+	//FOR TESTING ONLY
+	FILE *testFout = fopen("test.raw", "a");
+	fwrite(buffer, 1, l, testFout);
+	fclose(testFout);
+	*/
 	if (l > 0)
 		byteCount += l;
 

Plugins/MAD/MADDecoder.h

@@ -33,6 +33,8 @@
 	
 	BOOL _seekSkip;
 
+	BOOL _firstFrame;
+	
 	//For gapless playback of mp3s
 	BOOL _gapless;
 	long _currentFrame;

Plugins/MAD/MADDecoder.m

@@ -271,6 +271,8 @@ int parse_headers(struct xing *xing, struct lame *lame, struct mad_bitptr ptr, u
 
 	bitrate /= 1000;
 	
+	bitsPerSample = 16;
+
 	[_source seek:0 whence:SEEK_SET];
 
 	[self willChangeValueForKey:@"properties"];
@@ -292,9 +294,13 @@ int parse_headers(struct xing *xing, struct lame *lame, struct mad_bitptr ptr, u
 	mad_synth_init(&_synth);
 	mad_timer_reset(&_timer);
 	
-	bitsPerSample = 16;
+	_firstFrame = YES;
 	
+	if ([_source seekable]) {
 		return [self scanFileFast:YES useXing:YES];
+	}
+	NSLog(@"NOT SCANNING FILE!!!");
+	return YES;
 }
 
 
@@ -506,6 +512,18 @@ static inline signed int scale (mad_fixed_t sample)
 
 			continue;
 		}
+		if (_firstFrame && ![_source seekable]) {
+			frequency = _frame.header.samplerate;
+			channels = MAD_NCHANNELS(&_frame.header);
+			bitsPerSample = 16;
+
+			NSLog(@"FORMAT CHANGED: %f", frequency);
+			[self willChangeValueForKey:@"properties"];
+			[self didChangeValueForKey:@"properties"];
+			
+			_firstFrame = NO;
+		}
+			
 		mad_timer_add (&_timer, _frame.header.duration);
 		
 		mad_synth_frame (&_synth, &_frame);