Disables Ogg for iOS

This disables Ogg for iOS.  Unfortunately it means that for now ogg
files won’t work on iOS devices.  However, iOS will compile again.

engine/source/audio/audioBuffer.cc

@@ -25,7 +25,10 @@
 #include "io/stream.h"
 #include "console/console.h"
 #include "memory/frameAllocator.h"
+
+#ifndef TORQUE_OS_IOS
 #include "vorbis/vorbisfile.h"
+#endif
 
 #ifndef _MMATH_H_
 #include "math/mMath.h"
@@ -97,6 +100,7 @@ struct WAVChunkHdr
 
 #define CHUNKSIZE 4096
 
+#ifndef TORQUE_OS_IOS
 // Ogg Vorbis
 static size_t _ov_read_func(void *ptr, size_t size, size_t nmemb, void *datasource)
 {
@@ -135,6 +139,7 @@ static long _ov_tell_func(void *datasource)
 	Stream *stream = reinterpret_cast<Stream*>(datasource);
 	return stream->getPosition();
 }
+#endif
 
 
 //--------------------------------------
@@ -275,6 +280,7 @@ ALuint AudioBuffer::getALBuffer()
            malBuffer = bufferID;
        }
 #endif
+#ifndef TORQUE_OS_IOS
 		else if (len > 3 && !dStricmp(mFilename + len - 4, ".ogg"))
 		{
 #  ifdef LOG_SOUND_LOADS
@@ -282,6 +288,7 @@ ALuint AudioBuffer::getALBuffer()
 #  endif
 		   readSuccess = readOgg(obj);
 	   }
+#endif
 
       if(readSuccess)
          return(malBuffer);
@@ -432,6 +439,7 @@ bool AudioBuffer::readWAV(ResourceObject *obj)
    return false;
 }
 
+#ifndef TORQUE_OS_IOS
 // Read an Ogg Vorbis file from the given ResourceObject and initialize an alBuffer with it.
 // Pulled from: https://www.garagegames.com/community/forums/viewthread/136675
 bool AudioBuffer::readOgg(ResourceObject *obj)
@@ -533,4 +541,5 @@ long AudioBuffer::oggRead(OggVorbis_File* vf, char *buffer, int length, int bige
 	}
 
 	return offset;
-}
+}
+#endif

engine/source/audio/audioBuffer.h

@@ -47,8 +47,10 @@ private:
    bool readRIFFchunk(Stream &s, const char *seekLabel, U32 *size);
    bool readWAV(ResourceObject *obj);
 
+#ifndef TORQUE_OS_IOS
    bool readOgg(ResourceObject *obj);
    long oggRead(struct OggVorbis_File* vf, char *buffer, int length, int bigendianp, int *bitstream);
+#endif
 
 public:
    AudioBuffer(StringTableEntry filename);

engine/source/audio/audioStreamSourceFactory.cc

@@ -30,7 +30,10 @@
 #include "audio/audioStreamSourceFactory.h"
 
 #include "audio/wavStreamSource.h"
+
+#ifndef TORQUE_OS_IOS
 #include "audio/vorbisStreamSource.h"
+#endif
 
 AudioStreamSource* AudioStreamSourceFactory::getNewInstance(const char *filename)
 {
@@ -38,8 +41,10 @@ AudioStreamSource* AudioStreamSourceFactory::getNewInstance(const char *filename
 	if(len > 3 && !dStricmp(filename + len - 4, ".wav"))
 		return new WavStreamSource(filename);
 	
+#ifndef TORQUE_OS_IOS
 	if (len > 3 && !dStricmp(filename + len - 4, ".ogg"))
 		return new VorbisStreamSource(filename);
+#endif
 
 	return NULL;
 }

engine/source/audio/vorbisStreamSource.h

@@ -12,9 +12,9 @@
 #include "audio/audioStreamSource.h"
 #endif
 
+#ifndef TORQUE_OS_IOS
 #include "vorbis/vorbisfile.h"
 
-
 class VorbisStreamSource: public AudioStreamSource
 {
 	public:
@@ -55,5 +55,6 @@ class VorbisStreamSource: public AudioStreamSource
 		void resetStream();
       void setNewFile(const char * file);
 };
+#endif
 
 #endif // _VORBISSTREAMSOURCE_H_