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-rw-r--r--src/audio/oal/stream.cpp106
1 files changed, 106 insertions, 0 deletions
diff --git a/src/audio/oal/stream.cpp b/src/audio/oal/stream.cpp
index 9fad47a9..34080514 100644
--- a/src/audio/oal/stream.cpp
+++ b/src/audio/oal/stream.cpp
@@ -4,6 +4,9 @@
#include "stream.h"
#include "sampman.h"
+#ifdef AUDIO_OPUS
+#include <opusfile.h>
+#else
#ifdef _WIN32
// TODO: This is due to version difference of 32-bit libmpg123 and 64-bit libmpg123, fix it
@@ -17,7 +20,9 @@ typedef long ssize_t;
#endif
#include <sndfile.h>
#include <mpg123.h>
+#endif
+#ifndef AUDIO_OPUS
class CSndFile : public IDecoder
{
SNDFILE *m_pfSound;
@@ -177,15 +182,111 @@ public:
return (uint32)size;
}
};
+#else
+class COpusFile : public IDecoder
+{
+ OggOpusFile *m_FileH;
+ bool m_bOpened;
+ uint32 m_nRate;
+ uint32 m_nChannels;
+public:
+ COpusFile(const char *path) : m_FileH(nil),
+ m_bOpened(false),
+ m_nRate(0),
+ m_nChannels(0)
+ {
+ int ret;
+ m_FileH = op_open_file(path, &ret);
+
+ if (m_FileH) {
+ m_nChannels = op_head(m_FileH, 0)->channel_count;
+ m_nRate = op_head(m_FileH, 0)->input_sample_rate;
+ const OpusTags *tags = op_tags(m_FileH, 0);
+ for (int i = 0; i < tags->comments; i++) {
+ if (strncmp(tags->user_comments[i], "SAMPLERATE", sizeof("SAMPLERATE")-1) == 0)
+ {
+ sscanf(tags->user_comments[i], "SAMPLERATE=%i", &m_nRate);
+ break;
+ }
+ }
+
+ m_bOpened = true;
+ }
+ }
+
+ ~COpusFile()
+ {
+ if (m_FileH)
+ {
+ op_free(m_FileH);
+ m_FileH = nil;
+ }
+ }
+
+ bool IsOpened()
+ {
+ return m_bOpened;
+ }
+
+ uint32 GetSampleSize()
+ {
+ return sizeof(uint16);
+ }
+
+ uint32 GetSampleCount()
+ {
+ if ( !IsOpened() ) return 0;
+ return op_pcm_total(m_FileH, 0);
+ }
+
+ uint32 GetSampleRate()
+ {
+ return m_nRate;
+ }
+
+ uint32 GetChannels()
+ {
+ return m_nChannels;
+ }
+
+ void Seek(uint32 milliseconds)
+ {
+ if ( !IsOpened() ) return;
+ op_pcm_seek(m_FileH, ms2samples(milliseconds) * GetSampleSize());
+ }
+
+ uint32 Tell()
+ {
+ if ( !IsOpened() ) return 0;
+ return samples2ms(op_pcm_tell(m_FileH)/GetSampleSize());
+ }
+
+ uint32 Decode(void *buffer)
+ {
+ if ( !IsOpened() ) return 0;
+
+ int size = op_read(m_FileH, (opus_int16 *)buffer, GetBufferSamples(), NULL);
+
+ if (size < 0)
+ return 0;
+
+ return size * m_nChannels * GetSampleSize();
+ }
+};
+#endif
void CStream::Initialise()
{
+#ifndef AUDIO_OPUS
mpg123_init();
+#endif
}
void CStream::Terminate()
{
+#ifndef AUDIO_OPUS
mpg123_exit();
+#endif
}
CStream::CStream(char *filename, ALuint &source, ALuint (&buffers)[NUM_STREAMBUFFERS]) :
@@ -216,10 +317,15 @@ CStream::CStream(char *filename, ALuint &source, ALuint (&buffers)[NUM_STREAMBUF
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"))
m_pSoundFile = new CSndFile(m_aFilename);
+#else
+ if (!strcasecmp(&m_aFilename[strlen(m_aFilename) - strlen(".opus")], ".opus"))
+ m_pSoundFile = new COpusFile(m_aFilename);
+#endif
else
m_pSoundFile = nil;
ASSERT(m_pSoundFile != nil);