Merge cea9d5d42b into b837e7d36a
This commit is contained in:
Torrentero
GitHub
commit
7fe4f272ad
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@ -443,8 +443,9 @@ int AudioGeneratorMIDI::PlayMIDI()
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for (tgnum = 0; tgnum < num_tonegens; ++tgnum) { /* find which generator is playing it */
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tg = &tonegen[tgnum];
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if (tg->playing && tg->track == tracknum && tg->note == trk->note) {
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tsf_note_off (g_tsf, tg->instrument, tg->note);
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tsf_note_off_fast (g_tsf, tg->instrument, tg->note, tg->playIndex);
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tg->playing = false;
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tg->playIndex = -1;
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trk->tonegens[tgnum] = false;
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}
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}
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@ -476,7 +477,7 @@ int AudioGeneratorMIDI::PlayMIDI()
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if (tg->instrument != midi_chan_instrument[trk->chan]) { /* new instrument for this generator */
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tg->instrument = midi_chan_instrument[trk->chan];
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}
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tsf_note_on (g_tsf, tg->instrument, tg->note, trk->velocity / 127.0); // velocity = 0...127
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tg->playIndex = tsf_note_on_fast (g_tsf, tg->instrument, tg->note, trk->velocity / 127.0); // velocity = 0...127
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} else {
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++notes_skipped;
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}
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@ -94,10 +94,13 @@ class AudioGeneratorMIDI : public AudioGenerator
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unsigned long earliest_time = 0;
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struct tonegen_status { /* current status of a tone generator */
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bool playing; /* is it playing? */
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bool playing; /* is it playing? */
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char track; /* if so, which track is the note from? */
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char note; /* what note is playing? */
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char instrument; /* what instrument? */
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int playIndex; /* is index provided?
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Unique identifier generated when note starts playing.
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This help us to turn the note off faster */
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} tonegen[MAX_TONEGENS];
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struct track_status { /* current processing point of a MIDI track */
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@ -602,11 +602,11 @@ struct tsf_voice
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{
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int playingPreset, playingKey, playingChannel;
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struct tsf_region* region;
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double pitchInputTimecents, pitchOutputFactor;
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double pitchRatio;
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double sourceSamplePosition;
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fixed32p32 sourceSamplePositionF32P32;
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float noteGainDB, panFactorLeft, panFactorRight;
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unsigned int playIndex, loopStart, loopEnd;
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fixed32p32 sourceSamplePositionF32P32, loopStartF32P32, loopEndF32P32, loopSizeF32P32, pitchRatioF32P32;
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float noteGain, panFactorLeft, panFactorRight;
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int playIndex, loopStart, loopEnd;
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struct tsf_voice_envelope ampenv, modenv;
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struct tsf_voice_lowpass lowpass;
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struct tsf_voice_lfo modlfo, viblfo;
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@ -625,6 +625,14 @@ struct tsf_channels
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int channelNum, activeChannel;
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};
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// Math properties of tsf_timecents2Secs* (tc2s):
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// # tc2s(a + b) = tc2s(a) * tc2s(b)
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// # tc2s(a - b) = tc2s(a) / tc2s(b)
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// # 1 / tc2s(a) = tc2s(-a)
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// # The same applies to tsf_cents2Hertz and tsf_decibelsToGain
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// Path properties of tsf_decibelsToGain (db2g) and tsf_gainToDecibels (g2db)
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// # db2g(g2db(a)) = a
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// # g2db(db2g(a)) = a
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static double tsf_timecents2Secsd(double timecents) { return TSF_POW(2.0, timecents / 1200.0); }
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static float tsf_timecents2Secsf(float timecents) { return TSF_POWF(2.0f, timecents / 1200.0f); }
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static float tsf_cents2Hertz(float cents) { return 8.176f * TSF_POWF(2.0f, cents / 1200.0f); }
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@ -1220,6 +1228,7 @@ static void tsf_voice_end(struct tsf_voice* v, float outSampleRate)
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{
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// Continue playing, but stop looping.
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v->loopEnd = v->loopStart;
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v->loopSizeF32P32 = 0;
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}
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}
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@ -1232,10 +1241,9 @@ static void tsf_voice_endquick(struct tsf_voice* v, float outSampleRate)
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static void tsf_voice_calcpitchratio(struct tsf_voice* v, float pitchShift, float outSampleRate)
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{
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double note = v->playingKey + v->region->transpose + v->region->tune / 100.0;
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double adjustedPitch = v->region->pitch_keycenter + (note - v->region->pitch_keycenter) * (v->region->pitch_keytrack / 100.0);
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if (pitchShift) adjustedPitch += pitchShift;
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v->pitchInputTimecents = adjustedPitch * 100.0;
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v->pitchOutputFactor = v->region->sample_rate / (tsf_timecents2Secsd(v->region->pitch_keycenter * 100.0) * outSampleRate);
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double adjustedPitch = (note - v->region->pitch_keycenter) * v->region->pitch_keytrack;
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if (pitchShift) adjustedPitch += adjustedPitch * 100.0f;
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v->pitchRatio = v->region->sample_rate * tsf_timecents2Secsd(adjustedPitch) / outSampleRate;
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}
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short tsf_read_short_cached(tsf *f, int pos)
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@ -1303,10 +1311,10 @@ static void tsf_voice_render(tsf* f, struct tsf_voice* v, float* outputBuffer, i
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else tmpInitialFilterFc = 0, tmpModLfoToFilterFc = 0, tmpModEnvToFilterFc = 0;
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if (dynamicPitchRatio) pitchRatio = 0, tmpModLfoToPitch = (float)region->modLfoToPitch, tmpVibLfoToPitch = (float)region->vibLfoToPitch, tmpModEnvToPitch = (float)region->modEnvToPitch;
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else pitchRatio = tsf_timecents2Secsd(v->pitchInputTimecents) * v->pitchOutputFactor, tmpModLfoToPitch = 0, tmpVibLfoToPitch = 0, tmpModEnvToPitch = 0;
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else pitchRatio = v->pitchRatio, tmpModLfoToPitch = 0, tmpVibLfoToPitch = 0, tmpModEnvToPitch = 0;
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if (dynamicGain) tmpModLfoToVolume = (float)region->modLfoToVolume * 0.1f;
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else noteGain = tsf_decibelsToGain(v->noteGainDB), tmpModLfoToVolume = 0;
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else noteGain = v->noteGain, tmpModLfoToVolume = 0;
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while (numSamples)
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{
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@ -1323,10 +1331,10 @@ static void tsf_voice_render(tsf* f, struct tsf_voice* v, float* outputBuffer, i
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}
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if (dynamicPitchRatio)
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pitchRatio = tsf_timecents2Secsd(v->pitchInputTimecents + (v->modlfo.level * tmpModLfoToPitch + v->viblfo.level * tmpVibLfoToPitch + v->modenv.level * tmpModEnvToPitch)) * v->pitchOutputFactor;
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pitchRatio = v->pitchRatio * tsf_timecents2Secsd(v->modlfo.level * tmpModLfoToPitch + v->viblfo.level * tmpVibLfoToPitch + v->modenv.level * tmpModEnvToPitch);
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if (dynamicGain)
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noteGain = tsf_decibelsToGain(v->noteGainDB + (v->modlfo.level * tmpModLfoToVolume));
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noteGain = v->noteGain * tsf_decibelsToGain(v->modlfo.level * tmpModLfoToVolume);
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gainMono = noteGain * v->ampenv.level;
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@ -1435,40 +1443,22 @@ static void tsf_voice_render_fast(tsf* f, struct tsf_voice* v, short* outputBuff
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TSF_BOOL updateModEnv = (region->modEnvToPitch || region->modEnvToFilterFc);
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TSF_BOOL updateModLFO = (v->modlfo.delta && (region->modLfoToPitch || region->modLfoToFilterFc || region->modLfoToVolume));
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TSF_BOOL updateVibLFO = (v->viblfo.delta && (region->vibLfoToPitch));
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TSF_BOOL isLooping = (v->loopStart < v->loopEnd);
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unsigned int tmpLoopStart = v->loopStart, tmpLoopEnd = v->loopEnd;
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//double tmpSampleEndDbl = (double)v->sampleEnd, tmpLoopEndDbl = (double)tmpLoopEnd + 1.0;
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//double tmpSourceSamplePosition = v->sourceSamplePosition;
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fixed32p32 tmpSampleEndF32P32 = ((fixed32p32)(region->end)) << 32;
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fixed32p32 tmpLoopStartF32P32 = ((fixed32p32)(tmpLoopStart + 1)) << 32;
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fixed32p32 tmpLoopEndF32P32 = ((fixed32p32)(tmpLoopEnd + 1)) << 32;
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TSF_BOOL isLooping = (v->loopSizeF32P32 > 0);
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fixed32p32 tmpSampleEndF32P32 = (fixed32p32)(region->end) << 32;
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fixed32p32 tmpSourceSamplePositionF32P32 = v->sourceSamplePositionF32P32;
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struct tsf_voice_lowpass tmpLowpass = v->lowpass;
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TSF_BOOL dynamicLowpass = (region->modLfoToFilterFc || region->modEnvToFilterFc);
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float tmpSampleRate = f->outSampleRate, tmpInitialFilterFc, tmpModLfoToFilterFc, tmpModEnvToFilterFc;
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TSF_BOOL dynamicPitchRatio = (region->modLfoToPitch || region->modEnvToPitch || region->vibLfoToPitch);
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//double pitchRatio;
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fixed32p32 pitchRatioF32P32;
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fixed32p32 pitchRatioF32P32, tmpPitchRatioF32P32;
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float tmpModLfoToPitch, tmpVibLfoToPitch, tmpModEnvToPitch;
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TSF_BOOL dynamicGain = (region->modLfoToVolume != 0);
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float noteGain, tmpModLfoToVolume;
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float noteGain, tmpNoteGain, tmpModLfoToVolume;
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if (dynamicLowpass) tmpInitialFilterFc = (float)region->initialFilterFc, tmpModLfoToFilterFc = (float)region->modLfoToFilterFc, tmpModEnvToFilterFc = (float)region->modEnvToFilterFc;
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else tmpInitialFilterFc = 0, tmpModLfoToFilterFc = 0, tmpModEnvToFilterFc = 0;
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if (dynamicPitchRatio) tmpPitchRatioF32P32 = v->pitchRatioF32P32, pitchRatioF32P32 = 0, tmpModLfoToPitch = (float)region->modLfoToPitch, tmpVibLfoToPitch = (float)region->vibLfoToPitch, tmpModEnvToPitch = (float)region->modEnvToPitch;
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else pitchRatioF32P32 = v->pitchRatioF32P32, tmpModLfoToPitch = 0, tmpVibLfoToPitch = 0, tmpModEnvToPitch = 0;
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if (dynamicPitchRatio) pitchRatioF32P32 = 0, tmpModLfoToPitch = (float)region->modLfoToPitch, tmpVibLfoToPitch = (float)region->vibLfoToPitch, tmpModEnvToPitch = (float)region->modEnvToPitch;
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else {
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double pr = tsf_timecents2Secsd(v->pitchInputTimecents) * v->pitchOutputFactor;
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fixed32p32 adj = 1LL<<32;
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pr *= adj;
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pitchRatioF32P32 = (int64_t)pr, tmpModLfoToPitch = 0, tmpVibLfoToPitch = 0, tmpModEnvToPitch = 0;
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}
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if (dynamicGain) noteGain = 0, tmpModLfoToVolume = (float)region->modLfoToVolume * 0.1f;
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else noteGain = tsf_decibelsToGain(v->noteGainDB), tmpModLfoToVolume = 0;
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if (dynamicGain) noteGain = 0, tmpNoteGain = v->noteGain, tmpModLfoToVolume = (float)region->modLfoToVolume * 0.1f;
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else noteGain = v->noteGain, tmpModLfoToVolume = 0;
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while (numSamples)
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{
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@ -1476,19 +1466,17 @@ static void tsf_voice_render_fast(tsf* f, struct tsf_voice* v, short* outputBuff
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int blockSamples = (numSamples > TSF_RENDER_EFFECTSAMPLEBLOCK ? TSF_RENDER_EFFECTSAMPLEBLOCK : numSamples);
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numSamples -= blockSamples;
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if (dynamicLowpass)
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{
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float fres = tmpInitialFilterFc + v->modlfo.level * tmpModLfoToFilterFc + v->modenv.level * tmpModEnvToFilterFc;
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tmpLowpass.active = (fres <= 13500.0f);
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if (tmpLowpass.active) tsf_voice_lowpass_setup(&tmpLowpass, tsf_cents2Hertz(fres) / tmpSampleRate);
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if (dynamicPitchRatio) {
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if (v->modlfo.level || v->viblfo.level || v->modenv.level)
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pitchRatioF32P32 = tmpPitchRatioF32P32 * tsf_timecents2Secsd(v->modlfo.level * tmpModLfoToPitch + v->viblfo.level * tmpVibLfoToPitch + v->modenv.level * tmpModEnvToPitch);
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else
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pitchRatioF32P32 = tmpPitchRatioF32P32; // If all levels are 0, just bypass conversion function
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}
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if (dynamicPitchRatio) {
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pitchRatioF32P32 = tsf_timecents2Secsd(v->pitchInputTimecents + (v->modlfo.level * tmpModLfoToPitch + v->viblfo.level * tmpVibLfoToPitch + v->modenv.level * tmpModEnvToPitch)) * v->pitchOutputFactor * (1LL<<32);
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}
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if (dynamicGain)
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noteGain = tsf_decibelsToGain(v->noteGainDB + (v->modlfo.level * tmpModLfoToVolume));
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if (dynamicGain) {
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if (v->modlfo.level) noteGain = tmpNoteGain * tsf_decibelsToGain(v->modlfo.level * tmpModLfoToVolume);
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else noteGain = tmpNoteGain; // If level is 0, just bypass conversion function
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}
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gainMono = noteGain * v->ampenv.level;
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short gainMonoFP = gainMono * 32767;
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@ -1501,7 +1489,7 @@ static void tsf_voice_render_fast(tsf* f, struct tsf_voice* v, short* outputBuff
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if (updateModLFO) tsf_voice_lfo_process(&v->modlfo, blockSamples);
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if (updateVibLFO) tsf_voice_lfo_process(&v->viblfo, blockSamples);
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while (blockSamples-- && tmpSourceSamplePositionF32P32 < tmpSampleEndF32P32)
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while (blockSamples--)
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{
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unsigned int pos = (unsigned int)(tmpSourceSamplePositionF32P32>>32);
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if (pos == 0xffffffff) pos = 0;
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@ -1513,8 +1501,14 @@ static void tsf_voice_render_fast(tsf* f, struct tsf_voice* v, short* outputBuff
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// Next sample.
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tmpSourceSamplePositionF32P32 += pitchRatioF32P32;
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if (tmpSourceSamplePositionF32P32 >= tmpLoopEndF32P32 && isLooping)
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tmpSourceSamplePositionF32P32 -= (tmpLoopEndF32P32 - tmpLoopStartF32P32 + (1LL<<32));
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if (tmpSourceSamplePositionF32P32 >= v->loopEndF32P32)
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{
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if (isLooping)
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tmpSourceSamplePositionF32P32 -= v->loopSizeF32P32;
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else if (tmpSourceSamplePositionF32P32 >= tmpSampleEndF32P32)
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break;
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}
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}
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if (tmpSourceSamplePositionF32P32 >= tmpSampleEndF32P32 || v->ampenv.segment == TSF_SEGMENT_DONE)
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@ -1525,7 +1519,6 @@ static void tsf_voice_render_fast(tsf* f, struct tsf_voice* v, short* outputBuff
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}
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v->sourceSamplePositionF32P32 = tmpSourceSamplePositionF32P32;
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if (tmpLowpass.active || dynamicLowpass) v->lowpass = tmpLowpass;
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}
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@ -1720,13 +1713,14 @@ TSFDEF void tsf_note_on(tsf* f, int preset_index, int key, float vel)
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}
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voice = &f->voices[f->voiceNum - 4];
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voice[1].playingPreset = voice[2].playingPreset = voice[3].playingPreset = -1;
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voice[1].playIndex = voice[2].playIndex = voice[3].playIndex = -1;
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}
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voice->region = region;
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voice->playingPreset = preset_index;
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voice->playingKey = key;
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voice->playIndex = voicePlayIndex;
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voice->noteGainDB = f->globalGainDB - region->attenuation - tsf_gainToDecibels(1.0f / vel);
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voice->noteGain = vel * tsf_decibelsToGain(f->globalGainDB - region->attenuation);
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if (f->channels)
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{
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@ -1742,7 +1736,6 @@ TSFDEF void tsf_note_on(tsf* f, int preset_index, int key, float vel)
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// Offset/end.
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voice->sourceSamplePosition = region->offset;
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voice->sourceSamplePositionF32P32 = ((int64_t)region->offset)<< 32;
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// Loop.
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doLoop = (region->loop_mode != TSF_LOOPMODE_NONE && region->loop_start < region->loop_end);
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@ -1767,6 +1760,86 @@ TSFDEF void tsf_note_on(tsf* f, int preset_index, int key, float vel)
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}
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}
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/**
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* Returns the generated playing index that can be used to identify all voices related to this note.
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*/
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TSFDEF int tsf_note_on_fast(tsf* f, int preset_index, int key, float vel)
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{
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if (preset_index < 0 || preset_index >= f->presetNum) return -1;
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if (!vel) { tsf_note_off(f, preset_index, key); return -1; }
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if (f->presets[preset_index].regions == NULL) tsf_load_preset(f, f->hydra, preset_index);
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short midiVelocity = (short)(vel * 127);
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struct tsf_region *region, *regionEnd;
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// Play all matching regions.
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int voicePlayIndex = f->voicePlayIndex++;
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for (region = f->presets[preset_index].regions, regionEnd = region + f->presets[preset_index].regionNum; region != regionEnd; region++)
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{
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if (key < region->lokey || key > region->hikey || midiVelocity < region->lovel || midiVelocity > region->hivel) continue;
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struct tsf_voice *voice, *v, *vEnd; TSF_BOOL doLoop;
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voice = TSF_NULL, v = f->voices, vEnd = v + f->voiceNum;
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if (region->group)
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{
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for (; v != vEnd; v++)
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if (v->playingPreset == preset_index && v->region->group == region->group) tsf_voice_endquick(v, f->outSampleRate);
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else if (v->playingPreset == -1 && !voice) voice = v;
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}
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else for (; v != vEnd; v++) if (v->playingPreset == -1) { voice = v; break; }
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if (!voice)
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{
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f->voiceNum += 4;
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struct tsf_voice *saveVoice = f->voices;
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f->voices = (struct tsf_voice*)TSF_REALLOC(f->voices, f->voiceNum * sizeof(struct tsf_voice));
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if (!f->voices) {
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f->voices = saveVoice;
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printf("OOM, no room for new voice. Ignoring note_on\n");
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return -1;
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}
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voice = &f->voices[f->voiceNum - 4];
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voice[1].playingPreset = voice[2].playingPreset = voice[3].playingPreset = -1;
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voice[1].playIndex = voice[2].playIndex = voice[3].playIndex = -1;
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}
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voice->region = region;
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voice->playingPreset = preset_index;
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voice->playingKey = key;
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voice->playIndex = voicePlayIndex;
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voice->noteGain = vel * tsf_decibelsToGain(f->globalGainDB - region->attenuation);
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if (f->channels)
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{
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f->channels->setupVoice(f, voice);
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}
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else
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{
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tsf_voice_calcpitchratio(voice, 0, f->outSampleRate);
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voice->pitchRatioF32P32 = voice->pitchRatio * (1LL << 32);
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}
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// Offset/end.
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voice->sourceSamplePositionF32P32 = ((int64_t)region->offset)<< 32;
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// Loop.
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doLoop = (region->loop_mode != TSF_LOOPMODE_NONE && region->loop_start < region->loop_end);
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voice->loopStartF32P32 = doLoop ? ((int64_t)region->loop_start + 1) << 32 : 0;
|
||||
voice->loopEndF32P32 = doLoop ? ((int64_t)region->loop_end + 1) << 32 : 0;
|
||||
voice->loopSizeF32P32 = doLoop ? voice->loopEndF32P32 - voice->loopStartF32P32 + (1LL << 32) : 0;
|
||||
|
||||
// Setup envelopes.
|
||||
tsf_voice_envelope_setup(&voice->ampenv, ®ion->ampenv, key, midiVelocity, TSF_TRUE, f->outSampleRate);
|
||||
tsf_voice_envelope_setup(&voice->modenv, ®ion->modenv, key, midiVelocity, TSF_FALSE, f->outSampleRate);
|
||||
|
||||
// Setup LFO filters.
|
||||
tsf_voice_lfo_setup(&voice->modlfo, region->delayModLFO, region->freqModLFO, f->outSampleRate);
|
||||
tsf_voice_lfo_setup(&voice->viblfo, region->delayVibLFO, region->freqVibLFO, f->outSampleRate);
|
||||
}
|
||||
|
||||
return voicePlayIndex;
|
||||
}
|
||||
|
||||
TSFDEF int tsf_bank_note_on(tsf* f, int bank, int preset_number, int key, float vel)
|
||||
{
|
||||
int preset_index = tsf_get_presetindex(f, bank, preset_number);
|
||||
|
|
@ -1795,6 +1868,19 @@ TSFDEF void tsf_note_off(tsf* f, int preset_index, int key)
|
|||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Stops all voices with the given playing index. If no key provided or if -1, fallbacks to tsf_note_off
|
||||
*/
|
||||
TSFDEF void tsf_note_off_fast(tsf* f, int preset_index, int key, int playIndex = -1)
|
||||
{
|
||||
if (playIndex < 0)
|
||||
tsf_note_off(f, preset_index, key);
|
||||
else
|
||||
for (struct tsf_voice *v = f->voices, *vEnd = v + f->voiceNum; v != vEnd; v++)
|
||||
if (v->playIndex == playIndex && v->playingPreset == preset_index && v->playingKey == key && v->ampenv.segment < TSF_SEGMENT_RELEASE)
|
||||
tsf_voice_end(v, f->outSampleRate);
|
||||
}
|
||||
|
||||
TSFDEF int tsf_bank_note_off(tsf* f, int bank, int preset_number, int key)
|
||||
{
|
||||
int preset_index = tsf_get_presetindex(f, bank, preset_number);
|
||||
|
|
@ -1874,7 +1960,7 @@ static void tsf_channel_setup_voice(tsf* f, struct tsf_voice* v)
|
|||
struct tsf_channel* c = &f->channels->channels[f->channels->activeChannel];
|
||||
float newpan = v->region->pan + c->panOffset;
|
||||
v->playingChannel = f->channels->activeChannel;
|
||||
v->noteGainDB += c->gainDB;
|
||||
v->noteGain *= tsf_decibelsToGain(c->gainDB);
|
||||
tsf_voice_calcpitchratio(v, (c->pitchWheel == 8192 ? c->tuning : ((c->pitchWheel / 16383.0f * c->pitchRange * 2.0f) - c->pitchRange + c->tuning)), f->outSampleRate);
|
||||
if (newpan <= -0.5f) { v->panFactorLeft = 1.0f; v->panFactorRight = 0.0f; }
|
||||
else if (newpan >= 0.5f) { v->panFactorLeft = 0.0f; v->panFactorRight = 1.0f; }
|
||||
|
|
@ -1984,7 +2070,7 @@ TSFDEF void tsf_channel_set_volume(tsf* f, int channel, float volume)
|
|||
if (gainDBChange == 0) return;
|
||||
for (v = f->voices, vEnd = v + f->voiceNum; v != vEnd; v++)
|
||||
if (v->playingChannel == channel && v->playingPreset != -1)
|
||||
v->noteGainDB += gainDBChange;
|
||||
v->noteGain *= tsf_decibelsToGain(gainDBChange);
|
||||
c->gainDB = gainDB;
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue