Make opus available alongside other formats

1 files changed, 66 insertions, 64 deletions

diff --git a/src/audio/oal/stream.cpp b/src/audio/oal/stream.cpp
index cdf063fa..32ce9537 100644
--- a/src/audio/oal/stream.cpp
+++ b/src/audio/oal/stream.cpp
@@ -4,20 +4,23 @@
 #include "stream.h"
 #include "sampman.h"
 
-#ifdef AUDIO_OPUS
-#include <opusfile.h>
-#else
 #ifdef _WIN32
 #ifdef AUDIO_OAL_USE_SNDFILE
 #pragma comment( lib, "libsndfile-1.lib" )
 #endif
+#ifdef AUDIO_OAL_USE_MPG123
 #pragma comment( lib, "libmpg123-0.lib" )
 #endif
+#endif
 #ifdef AUDIO_OAL_USE_SNDFILE
 #include <sndfile.h>
 #endif
+#ifdef AUDIO_OAL_USE_MPG123
 #include <mpg123.h>
 #endif
+#ifdef AUDIO_OAL_USE_OPUS
+#include <opusfile.h>
+#endif
 
 #ifndef _WIN32
 #include "crossplatform.h"
@@ -81,7 +84,6 @@ public:
 
 CSortStereoBuffer SortStereoBuffer;
 
-#ifndef AUDIO_OPUS
 class CImaADPCMDecoder
 {
 	const uint16 StepTable[89] = {
@@ -461,11 +463,9 @@ public:
 };
 #endif
 
-#ifdef _WIN32
+#ifdef AUDIO_OAL_USE_MPG123
 // fuzzy seek eliminates stutter when playing ADF but spams errors a lot (nothing breaks though)
 #define MP3_USE_FUZZY_SEEK
-#endif // _WIN32
-
 
 class CMP3File : public IDecoder
 {
@@ -574,6 +574,55 @@ public:
 	}
 };
 
+class CADFFile : public CMP3File
+{
+	static ssize_t r_read(void* fh, void* buf, size_t size)
+	{
+		size_t bytesRead = fread(buf, 1, size, (FILE*)fh);
+		uint8* _buf = (uint8*)buf;
+		for (size_t i = 0; i < size; i++)
+			_buf[i] ^= 0x22;
+		return bytesRead;
+	}
+	static off_t r_seek(void* fh, off_t pos, int seekType)
+	{
+		fseek((FILE*)fh, pos, seekType);
+		return ftell((FILE*)fh);
+	}
+	static void r_close(void* fh)
+	{
+		fclose((FILE*)fh);
+	}
+public:
+	CADFFile(const char* path)
+	{
+		m_pMH = mpg123_new(nil, nil);
+		if (m_pMH)
+		{
+#ifdef MP3_USE_FUZZY_SEEK
+			mpg123_param(m_pMH, MPG123_FLAGS, MPG123_FUZZY | MPG123_SEEKBUFFER | MPG123_GAPLESS | MPG123_QUIET, 0.0);
+#endif
+			long rate = 0;
+			int channels = 0;
+			int encoding = 0;
+
+			FILE* f = fopen(path, "rb");
+
+			m_bOpened = mpg123_replace_reader_handle(m_pMH, r_read, r_seek, r_close) == MPG123_OK
+				&& mpg123_open_handle(m_pMH, f) == MPG123_OK &&  mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
+			m_nRate = rate;
+			m_nChannels = channels;
+
+			if (IsOpened())
+			{
+				mpg123_format_none(m_pMH);
+				mpg123_format(m_pMH, rate, channels, encoding);
+			}
+		}
+	}
+};
+
+#endif
 #define VAG_LINE_SIZE (0x10)
 #define VAG_SAMPLES_IN_LINE (28)
 
@@ -811,7 +860,7 @@ public:
 		return bufSizePerChannel * m_nChannels;
 	}
 };
-#else
+#ifdef AUDIO_OAL_USE_OPUS
 class COpusFile : public IDecoder
 {
 	OggOpusFile *m_FileH;
@@ -907,64 +956,16 @@ public:
 };
 #endif
 
-class CADFFile : public CMP3File
-{
-	static ssize_t r_read(void* fh, void* buf, size_t size)
-	{
-		size_t bytesRead = fread(buf, 1, size, (FILE*)fh);
-		uint8* _buf = (uint8*)buf;
-		for (size_t i = 0; i < size; i++)
-			_buf[i] ^= 0x22;
-		return bytesRead;
-	}
-	static off_t r_seek(void* fh, off_t pos, int seekType)
-	{
-		fseek((FILE*)fh, pos, seekType);
-		return ftell((FILE*)fh);
-	}
-	static void r_close(void* fh)
-	{
-		fclose((FILE*)fh);
-	}
-public:
-	CADFFile(const char* path)
-	{
-		m_pMH = mpg123_new(nil, nil);
-		if (m_pMH)
-		{
-#ifdef MP3_USE_FUZZY_SEEK
-			mpg123_param(m_pMH, MPG123_FLAGS, MPG123_FUZZY | MPG123_SEEKBUFFER | MPG123_GAPLESS, 0.0);
-#endif
-			long rate = 0;
-			int channels = 0;
-			int encoding = 0;
-
-			FILE* f = fopen(path, "rb");
-
-			m_bOpened = mpg123_replace_reader_handle(m_pMH, r_read, r_seek, r_close) == MPG123_OK
-				&& mpg123_open_handle(m_pMH, f) == MPG123_OK &&  mpg123_getformat(m_pMH, &rate, &channels, &encoding) == MPG123_OK;
-			m_nRate = rate;
-			m_nChannels = channels;
-
-			if (IsOpened())
-			{
-				mpg123_format_none(m_pMH);
-				mpg123_format(m_pMH, rate, channels, encoding);
-			}
-		}
-	}
-};
-
 void CStream::Initialise()
 {
-#ifndef AUDIO_OPUS
+#ifdef AUDIO_OAL_USE_MPG123
 	mpg123_init();
 #endif
 }
 
 void CStream::Terminate()
 {
-#ifndef AUDIO_OPUS
+#ifdef AUDIO_OAL_USE_MPG123
 	mpg123_exit();
 #endif
 }
@@ -997,21 +998,22 @@ CStream::CStream(char *filename, ALuint *sources, ALuint (&buffers)[NUM_STREAMBU
 		
 	DEV("Stream %s\n", m_aFilename);
 
-#ifndef AUDIO_OPUS
-	if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".mp3")], ".mp3"))
-		m_pSoundFile = new CMP3File(m_aFilename);
-	else if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".wav")], ".wav"))
+	if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".wav")], ".wav"))
 #ifdef AUDIO_OAL_USE_SNDFILE
 		m_pSoundFile = new CSndFile(m_aFilename);
 #else
 		m_pSoundFile = new CWavFile(m_aFilename);
 #endif
+#ifdef AUDIO_OAL_USE_MPG123
+	else if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".mp3")], ".mp3"))
+		m_pSoundFile = new CMP3File(m_aFilename);
 	else if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".adf")], ".adf"))
 		m_pSoundFile = new CADFFile(m_aFilename);
+#endif
 	else if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".vb")], ".VB"))
 		m_pSoundFile = new CVbFile(m_aFilename, overrideSampleRate);
-#else
-	if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".opus")], ".opus"))
+#ifdef AUDIO_OAL_USE_OPUS
+	else if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".opus")], ".opus"))
 		m_pSoundFile = new COpusFile(m_aFilename);
 #endif
 	else