diff options
Diffstat (limited to 'src/audio/oal')
| -rw-r--r-- | src/audio/oal/stream.cpp | 106 |
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); |