diff options
Diffstat (limited to 'src/adlmidi.cpp')
| -rw-r--r-- | src/adlmidi.cpp | 245 |
1 files changed, 131 insertions, 114 deletions
diff --git a/src/adlmidi.cpp b/src/adlmidi.cpp index 4710dfe..7aa9e8b 100644 --- a/src/adlmidi.cpp +++ b/src/adlmidi.cpp @@ -31,36 +31,11 @@ ADLMIDI_EXPORT struct ADL_MIDIPlayer *adl_init(long sample_rate) { ADL_MIDIPlayer *midi_device; midi_device = (ADL_MIDIPlayer *)malloc(sizeof(ADL_MIDIPlayer)); - midi_device->PCM_RATE = static_cast<unsigned long>(sample_rate); - midi_device->AdlBank = 0; - midi_device->NumFourOps = 7; - midi_device->NumCards = 2; - midi_device->HighTremoloMode = 0; - midi_device->HighVibratoMode = 0; - midi_device->AdlPercussionMode = 0; - midi_device->LogarithmicVolumes = 0; - midi_device->SkipForward = 0; - midi_device->loopingIsEnabled = 0; - midi_device->ScaleModulators = 0; - midi_device->delay = 0.0; - midi_device->carry = 0.0; - midi_device->mindelay = 1.0 / (double)midi_device->PCM_RATE; - midi_device->maxdelay = 512.0 / (double)midi_device->PCM_RATE; - midi_device->stored_samples = 0; - midi_device->backup_samples_size = 0; - MIDIplay *player = new MIDIplay; midi_device->adl_midiPlayer = player; - player->config = midi_device; - player->opl._parent = midi_device; - player->opl.NumCards = midi_device->NumCards; - player->opl.AdlBank = midi_device->AdlBank; - player->opl.NumFourOps = midi_device->NumFourOps; - player->opl.LogarithmicVolumes = (midi_device->LogarithmicVolumes != 0); - player->opl.HighTremoloMode = (midi_device->HighTremoloMode != 0); - player->opl.HighVibratoMode = (midi_device->HighVibratoMode != 0); - player->opl.AdlPercussionMode = (midi_device->AdlPercussionMode != 0); - player->opl.ScaleModulators = (midi_device->ScaleModulators != 0); + player->m_setup.PCM_RATE = static_cast<unsigned long>(sample_rate); + player->m_setup.mindelay = 1.0 / (double)player->m_setup.PCM_RATE; + player->m_setup.maxdelay = 512.0 / (double)player->m_setup.PCM_RATE; player->ChooseDevice("none"); adlRefreshNumCards(midi_device); return midi_device; @@ -71,10 +46,9 @@ ADLMIDI_EXPORT int adl_setNumCards(ADL_MIDIPlayer *device, int numCards) if(device == NULL) return -2; - device->NumCards = static_cast<unsigned int>(numCards); - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.NumCards = device->NumCards; - - if(device->NumCards < 1 || device->NumCards > MaxCards) + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.NumCards = static_cast<unsigned int>(numCards); + if(play->m_setup.NumCards < 1 || play->m_setup.NumCards > MaxCards) { std::stringstream s; s << "number of cards may only be 1.." << MaxCards << ".\n"; @@ -82,6 +56,8 @@ ADLMIDI_EXPORT int adl_setNumCards(ADL_MIDIPlayer *device, int numCards) return -1; } + play->opl.NumCards = play->m_setup.NumCards; + return adlRefreshNumCards(device); } @@ -99,11 +75,11 @@ ADLMIDI_EXPORT int adl_setBank(ADL_MIDIPlayer *device, int bank) if(bankno < 0) bankno = 0; - device->AdlBank = static_cast<uint32_t>(bankno); MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); - play->opl.AdlBank = device->AdlBank; + play->m_setup.AdlBank = static_cast<uint32_t>(bankno); + play->opl.AdlBank = play->m_setup.AdlBank; - if(device->AdlBank >= NumBanks) + if(play->m_setup.AdlBank >= NumBanks) { std::stringstream s; s << "bank number may only be 0.." << (NumBanks - 1) << ".\n"; @@ -127,13 +103,16 @@ ADLMIDI_EXPORT const char *const *adl_getBankNames() ADLMIDI_EXPORT int adl_setNumFourOpsChn(ADL_MIDIPlayer *device, int ops4) { - device->NumFourOps = static_cast<unsigned int>(ops4); - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.NumFourOps = device->NumFourOps; + if(!device) + return -1; + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.NumFourOps = static_cast<unsigned int>(ops4); + play->opl.NumFourOps = play->m_setup.NumFourOps; - if(device->NumFourOps > 6 * device->NumCards) + if(play->m_setup.NumFourOps > 6 * play->m_setup.NumCards) { std::stringstream s; - s << "number of four-op channels may only be 0.." << (6 * (device->NumCards)) << " when " << device->NumCards << " OPL3 cards are used.\n"; + s << "number of four-op channels may only be 0.." << (6 * (play->m_setup.NumCards)) << " when " << play->m_setup.NumCards << " OPL3 cards are used.\n"; ADLMIDI_ErrorString = s.str(); return -1; } @@ -145,55 +124,56 @@ ADLMIDI_EXPORT int adl_setNumFourOpsChn(ADL_MIDIPlayer *device, int ops4) ADLMIDI_EXPORT void adl_setPercMode(ADL_MIDIPlayer *device, int percmod) { if(!device) return; - - device->AdlPercussionMode = static_cast<unsigned int>(percmod); - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.AdlPercussionMode = (device->AdlPercussionMode != 0); + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.AdlPercussionMode = (percmod != 0); + play->opl.AdlPercussionMode = play->m_setup.AdlPercussionMode; } ADLMIDI_EXPORT void adl_setHVibrato(ADL_MIDIPlayer *device, int hvibro) { if(!device) return; - - device->HighVibratoMode = static_cast<unsigned int>(hvibro); - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.HighVibratoMode = (device->HighVibratoMode != 0); + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.HighVibratoMode = (hvibro != 0); + play->opl.HighVibratoMode = play->m_setup.HighVibratoMode; } ADLMIDI_EXPORT void adl_setHTremolo(ADL_MIDIPlayer *device, int htremo) { if(!device) return; - - device->HighTremoloMode = static_cast<unsigned int>(htremo); - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.HighTremoloMode = (device->HighTremoloMode != 0); + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.HighTremoloMode = (htremo != 0); + play->opl.HighTremoloMode = play->m_setup.HighTremoloMode; } ADLMIDI_EXPORT void adl_setScaleModulators(ADL_MIDIPlayer *device, int smod) { if(!device) return; - - device->ScaleModulators = static_cast<unsigned int>(smod); - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.ScaleModulators = (device->ScaleModulators != 0); + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.ScaleModulators = (smod != 0); + play->opl.ScaleModulators = play->m_setup.ScaleModulators; } ADLMIDI_EXPORT void adl_setLoopEnabled(ADL_MIDIPlayer *device, int loopEn) { if(!device) return; - device->loopingIsEnabled = (loopEn != 0); + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.loopingIsEnabled = (loopEn != 0); } ADLMIDI_EXPORT void adl_setLogarithmicVolumes(struct ADL_MIDIPlayer *device, int logvol) { if(!device) return; - - device->LogarithmicVolumes = static_cast<unsigned int>(logvol); - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.LogarithmicVolumes = (device->LogarithmicVolumes != 0); + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.LogarithmicVolumes = (logvol != 0); + play->opl.LogarithmicVolumes = play->m_setup.LogarithmicVolumes; } ADLMIDI_EXPORT void adl_setVolumeRangeModel(struct ADL_MIDIPlayer *device, int volumeModel) { if(!device) return; - - device->VolumeModel = volumeModel; - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.ChangeVolumeRangesModel(static_cast<ADLMIDI_VolumeModels>(volumeModel)); + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.VolumeModel = volumeModel; + play->opl.ChangeVolumeRangesModel(static_cast<ADLMIDI_VolumeModels>(volumeModel)); } ADLMIDI_EXPORT int adl_openBankFile(struct ADL_MIDIPlayer *device, char *filePath) @@ -202,10 +182,10 @@ ADLMIDI_EXPORT int adl_openBankFile(struct ADL_MIDIPlayer *device, char *filePat if(device && device->adl_midiPlayer) { - device->stored_samples = 0; - device->backup_samples_size = 0; - - if(!reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->LoadBank(filePath)) + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.stored_samples = 0; + play->m_setup.backup_samples_size = 0; + if(!play->LoadBank(filePath)) { if(ADLMIDI_ErrorString.empty()) ADLMIDI_ErrorString = "ADL MIDI: Can't load file"; @@ -224,10 +204,10 @@ ADLMIDI_EXPORT int adl_openBankData(struct ADL_MIDIPlayer *device, void *mem, lo if(device && device->adl_midiPlayer) { - device->stored_samples = 0; - device->backup_samples_size = 0; - - if(!reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->LoadBank(mem, static_cast<size_t>(size))) + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.stored_samples = 0; + play->m_setup.backup_samples_size = 0; + if(!play->LoadBank(mem, static_cast<size_t>(size))) { if(ADLMIDI_ErrorString.empty()) ADLMIDI_ErrorString = "ADL MIDI: Can't load data from memory"; @@ -246,14 +226,13 @@ ADLMIDI_EXPORT int adl_openFile(ADL_MIDIPlayer *device, char *filePath) if(device && device->adl_midiPlayer) { - device->stored_samples = 0; - device->backup_samples_size = 0; - - if(!reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->LoadMIDI(filePath)) + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.stored_samples = 0; + play->m_setup.backup_samples_size = 0; + if(!play->LoadMIDI(filePath)) { if(ADLMIDI_ErrorString.empty()) ADLMIDI_ErrorString = "ADL MIDI: Can't load file"; - return -1; } else return 0; @@ -269,14 +248,13 @@ ADLMIDI_EXPORT int adl_openData(ADL_MIDIPlayer *device, void *mem, long size) if(device && device->adl_midiPlayer) { - device->stored_samples = 0; - device->backup_samples_size = 0; - - if(!reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->LoadMIDI(mem, static_cast<size_t>(size))) + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.stored_samples = 0; + play->m_setup.backup_samples_size = 0; + if(!play->LoadMIDI(mem, static_cast<size_t>(size))) { if(ADLMIDI_ErrorString.empty()) ADLMIDI_ErrorString = "ADL MIDI: Can't load data from memory"; - return -1; } else return 0; @@ -294,8 +272,8 @@ ADLMIDI_EXPORT const char *adl_errorString() ADLMIDI_EXPORT const char *adl_getMusicTitle(ADL_MIDIPlayer *device) { - if(!device) return ""; - + if(!device) + return ""; return reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->musTitle.c_str(); } @@ -303,7 +281,6 @@ ADLMIDI_EXPORT void adl_close(ADL_MIDIPlayer *device) { if(device->adl_midiPlayer) delete reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); - device->adl_midiPlayer = NULL; free(device); device = NULL; @@ -313,10 +290,45 @@ ADLMIDI_EXPORT void adl_reset(ADL_MIDIPlayer *device) { if(!device) return; + MIDIplay *play = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + play->m_setup.stored_samples = 0; + play->m_setup.backup_samples_size = 0; + play->opl.Reset(play->m_setup.PCM_RATE); +} + +ADLMIDI_EXPORT double adl_totalTimeLength(ADL_MIDIPlayer *device) +{ + if(!device) + return -1.0; + return reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->timeLength(); +} + +ADLMIDI_EXPORT double adl_loopStartTime(struct ADL_MIDIPlayer *device) +{ + if(!device) + return -1.0; + return reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->getLoopStart(); +} + +ADLMIDI_EXPORT double adl_loopEndTime(struct ADL_MIDIPlayer *device) +{ + if(!device) + return -1.0; + return reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->getLoopEnd(); +} - device->stored_samples = 0; - device->backup_samples_size = 0; - reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->opl.Reset(); +ADLMIDI_EXPORT double adl_positionTell(struct ADL_MIDIPlayer *device) +{ + if(!device) + return -1.0; + return reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->tell(); +} + +ADLMIDI_EXPORT void adl_positionSeek(struct ADL_MIDIPlayer *device, double seconds) +{ + if(!device) + return; + reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->seek(seconds); } ADLMIDI_EXPORT void adl_positionRewind(struct ADL_MIDIPlayer *device) @@ -326,8 +338,15 @@ ADLMIDI_EXPORT void adl_positionRewind(struct ADL_MIDIPlayer *device) reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->rewind(); } +ADLMIDI_EXPORT void adl_setTempo(struct ADL_MIDIPlayer *device, double tempo) +{ + if(!device || (tempo <= 0.0)) + return; + reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->setTempo(tempo); +} + -inline static void SendStereoAudio(ADL_MIDIPlayer *device, +inline static void SendStereoAudio(MIDIplay::Setup &device, int &samples_requested, ssize_t &in_size, short *_in, @@ -337,7 +356,7 @@ inline static void SendStereoAudio(ADL_MIDIPlayer *device, if(!in_size) return; - device->stored_samples = 0; + device.stored_samples = 0; size_t offset = static_cast<size_t>(out_pos); size_t inSamples = static_cast<size_t>(in_size * 2); size_t maxSamples = static_cast<size_t>(samples_requested) - offset; @@ -347,10 +366,10 @@ inline static void SendStereoAudio(ADL_MIDIPlayer *device, if(maxSamples < inSamples) { size_t appendSize = inSamples - maxSamples; - std::memcpy(device->backup_samples + device->backup_samples_size, + std::memcpy(device.backup_samples + device.backup_samples_size, maxSamples + _in, appendSize * sizeof(short)); - device->backup_samples_size += (ssize_t)appendSize; - device->stored_samples += (ssize_t)appendSize; + device.backup_samples_size += (ssize_t)appendSize; + device.stored_samples += (ssize_t)appendSize; } } @@ -360,6 +379,9 @@ ADLMIDI_EXPORT int adl_play(ADL_MIDIPlayer *device, int sampleCount, short *out) if(!device) return 0; + MIDIplay *player = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); + MIDIplay::Setup &setup = player->m_setup; + sampleCount -= sampleCount % 2; //Avoid even sample requests if(sampleCount < 0) @@ -372,44 +394,42 @@ ADLMIDI_EXPORT int adl_play(ADL_MIDIPlayer *device, int sampleCount, short *out) while(left > 0) { - if(device->backup_samples_size > 0) + if(setup.backup_samples_size > 0) { //Send reserved samples if exist ssize_t ate = 0; - while((ate < device->backup_samples_size) && (ate < left)) + while((ate < setup.backup_samples_size) && (ate < left)) { - out[ate] = device->backup_samples[ate]; + out[ate] = setup.backup_samples[ate]; ate++; } left -= (int)ate; gotten_len += ate; - if(ate < device->backup_samples_size) + if(ate < setup.backup_samples_size) { for(ssize_t j = 0; j < ate; j++) - device->backup_samples[(ate - 1) - j] = device->backup_samples[(device->backup_samples_size - 1) - j]; + setup.backup_samples[(ate - 1) - j] = setup.backup_samples[(setup.backup_samples_size - 1) - j]; } - device->backup_samples_size -= ate; + setup.backup_samples_size -= ate; } else { - const double eat_delay = device->delay < device->maxdelay ? device->delay : device->maxdelay; - device->delay -= eat_delay; - device->carry += device->PCM_RATE * eat_delay; - n_periodCountStereo = static_cast<ssize_t>(device->carry); - device->carry -= n_periodCountStereo; - - if(device->SkipForward > 0) - device->SkipForward -= 1; + const double eat_delay = setup.delay < setup.maxdelay ? setup.delay : setup.maxdelay; + setup.delay -= eat_delay; + setup.carry += setup.PCM_RATE * eat_delay; + n_periodCountStereo = static_cast<ssize_t>(setup.carry); + setup.carry -= n_periodCountStereo; + + if(setup.SkipForward > 0) + setup.SkipForward -= 1; else { - MIDIplay *player = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer); - - if((player->atEnd) && (device->delay <= 0.0)) - break;//Stop to fetch samples at reaching of song end with disabled loop + if((player->atEnd) && (setup.delay <= 0.0)) + break;//Stop to fetch samples at reaching the song end with disabled loop //! Count of stereo samples ssize_t in_generatedStereo = (n_periodCountStereo > 512) ? 512 : n_periodCountStereo; @@ -420,7 +440,7 @@ ADLMIDI_EXPORT int adl_play(ADL_MIDIPlayer *device, int sampleCount, short *out) int16_t *out_buf = player->outBuf; std::memset(out_buf, 0, static_cast<size_t>(in_generatedPhys) * sizeof(int16_t)); - if(device->NumCards == 1) + if(player->m_setup.NumCards == 1) { #ifdef ADLMIDI_USE_DOSBOX_OPL player->opl.cards[0].GenerateArr(out_buf, &in_generatedStereo); @@ -428,13 +448,11 @@ ADLMIDI_EXPORT int adl_play(ADL_MIDIPlayer *device, int sampleCount, short *out) #else OPL3_GenerateStream(&player->opl.cards[0], out_buf, static_cast<Bit32u>(in_generatedStereo)); #endif - /* Process it */ - SendStereoAudio(device, sampleCount, in_generatedStereo, out_buf, gotten_len, out); } else if(n_periodCountStereo > 0) { /* Generate data from every chip and mix result */ - for(unsigned card = 0; card < device->NumCards; ++card) + for(unsigned card = 0; card < player->m_setup.NumCards; ++card) { #ifdef ADLMIDI_USE_DOSBOX_OPL player->opl.cards[card].GenerateArrMix(out_buf, &in_generatedStereo); @@ -443,16 +461,15 @@ ADLMIDI_EXPORT int adl_play(ADL_MIDIPlayer *device, int sampleCount, short *out) OPL3_GenerateStreamMix(&player->opl.cards[card], out_buf, static_cast<Bit32u>(in_generatedStereo)); #endif } - - /* Process it */ - SendStereoAudio(device, sampleCount, in_generatedStereo, out_buf, gotten_len, out); } + /* Process it */ + SendStereoAudio(setup, sampleCount, in_generatedStereo, out_buf, gotten_len, out); left -= (int)in_generatedPhys; - gotten_len += (in_generatedPhys) - device->stored_samples; + gotten_len += (in_generatedPhys) - setup.stored_samples; } - device->delay = reinterpret_cast<MIDIplay *>(device->adl_midiPlayer)->Tick(eat_delay, device->mindelay); + setup.delay = player->Tick(eat_delay, setup.mindelay); } } |