diff options
Diffstat (limited to 'utils/gen_adldata/measurer.cpp')
| -rw-r--r-- | utils/gen_adldata/measurer.cpp | 99 |
1 files changed, 50 insertions, 49 deletions
diff --git a/utils/gen_adldata/measurer.cpp b/utils/gen_adldata/measurer.cpp index 7618d7d..7a81379 100644 --- a/utils/gen_adldata/measurer.cpp +++ b/utils/gen_adldata/measurer.cpp @@ -1,10 +1,17 @@ #include "measurer.h" #include <cmath> -#ifndef ADLMIDI_USE_DOSBOX_OPL -#include "../../src/nukedopl3.h" -#else -#include "../../src/dbopl.h" +#include "../../src/chips/opl_chip_base.h" + +// Nuked OPL3 emulator, Most accurate, but requires the powerful CPU +#ifndef ADLMIDI_DISABLE_NUKED_EMULATOR +# include "../../src/chips/nuked_opl3.h" +# include "../../src/chips/nuked_opl3_v174.h" +#endif + +// DosBox 0.74 OPL3 emulator, Well-accurate and fast +#ifndef ADLMIDI_DISABLE_DOSBOX_EMULATOR +# include "../../src/chips/dosbox_opl3.h" #endif DurationInfo MeasureDurations(const ins &in) @@ -40,25 +47,22 @@ DurationInfo MeasureDurations(const ins &in) : in.notenum >= 128 ? (44 + 128 - in.notenum) : in.notenum; -#ifndef ADLMIDI_USE_DOSBOX_OPL -#define WRITE_REG(key, value) OPL3_WriteReg(&opl, (Bit8u)(key), (Bit8u)(value)) - _opl3_chip opl; -#else -#define WRITE_REG(key, value) opl.WriteReg((Bit8u)(key), (Bit8u)(value)); - DBOPL::Handler opl; -#endif + OPLChipBase *opl; + + //DosBoxOPL3 db; opl = &db; + //NukedOPL3 nuke; opl = &nuke; + NukedOPL3v174 nuke74; opl = &nuke74; + +#define WRITE_REG(key, value) opl->writeReg((uint16_t)(key), (uint8_t)(value)) static const short initdata[(2 + 3 + 2 + 2) * 2] = { - 0x004, 96, 0x004, 128, // Pulse timer - 0x105, 0, 0x105, 1, 0x105, 0, // Pulse OPL3 enable, leave disabled - 0x001, 32, 0x0BD, 0 // Enable wave & melodic -}; -#ifndef ADLMIDI_USE_DOSBOX_OPL - OPL3_Reset(&opl, rate); -#else - opl.Init(rate); -#endif + 0x004, 96, 0x004, 128, // Pulse timer + 0x105, 0, 0x105, 1, 0x105, 0, // Pulse OPL3 enable, leave disabled + 0x001, 32, 0x0BD, 0 // Enable wave & melodic + }; + opl->setRate(rate); + for(unsigned a = 0; a < 18; a += 2) WRITE_REG(initdata[a], initdata[a + 1]); const unsigned n_notes = in.insno1 == in.insno2 ? 1 : 2; @@ -100,32 +104,28 @@ DurationInfo MeasureDurations(const ins &in) WRITE_REG(0xB0 + n * 3, x[n] >> 8); } + const unsigned max_silent = 6; const unsigned max_on = 40; const unsigned max_off = 60; // For up to 40 seconds, measure mean amplitude. std::vector<double> amplitudecurve_on; double highest_sofar = 0; + short sound_min = 0, sound_max = 0; for(unsigned period = 0; period < max_on * interval; ++period) { stereoSampleBuf.clear(); stereoSampleBuf.resize(samples_per_interval * 2); -#ifndef ADLMIDI_USE_DOSBOX_OPL - OPL3_GenerateStream(&opl, stereoSampleBuf.data(), samples_per_interval); -#else - { - stereoSampleBuf_32.resize(samples_per_interval * 2); - Bitu samples = samples_per_interval; - opl.GenerateArr(stereoSampleBuf_32.data(), &samples); - size_t ssat = 0; - for(const int32_t &i : stereoSampleBuf_32) - stereoSampleBuf[ssat++] = (int16_t)i; - } -#endif + opl->generate(stereoSampleBuf.data(), samples_per_interval); double mean = 0.0; for(unsigned long c = 0; c < samples_per_interval; ++c) - mean += stereoSampleBuf[c * 2]; + { + short s = stereoSampleBuf[c * 2]; + mean += s; + if(sound_min > s) sound_min = s; + if(sound_max < s) sound_max = s; + } mean /= samples_per_interval; double std_deviation = 0; for(unsigned long c = 0; c < samples_per_interval; ++c) @@ -138,7 +138,10 @@ DurationInfo MeasureDurations(const ins &in) if(std_deviation > highest_sofar) highest_sofar = std_deviation; - if(period > 6 * interval && std_deviation < highest_sofar * 0.2) + if((period > max_silent * interval) && + ((std_deviation < highest_sofar * 0.2)|| + (sound_min >= -1 && sound_max <= 1)) + ) break; } @@ -152,22 +155,16 @@ DurationInfo MeasureDurations(const ins &in) { stereoSampleBuf.clear(); stereoSampleBuf.resize(samples_per_interval * 2); -#ifndef ADLMIDI_USE_DOSBOX_OPL - OPL3_GenerateStream(&opl, stereoSampleBuf.data(), samples_per_interval); -#else - { - stereoSampleBuf_32.resize(samples_per_interval * 2); - Bitu samples = samples_per_interval; - opl.GenerateArr(stereoSampleBuf_32.data(), &samples); - size_t ssat = 0; - for(const int32_t &i : stereoSampleBuf_32) - stereoSampleBuf[ssat++] = (int16_t)i; - } -#endif + opl->generate(stereoSampleBuf.data(), samples_per_interval); double mean = 0.0; for(unsigned long c = 0; c < samples_per_interval; ++c) - mean += stereoSampleBuf[c * 2]; + { + short s = stereoSampleBuf[c * 2]; + mean += s; + if(sound_min > s) sound_min = s; + if(sound_max < s) sound_max = s; + } mean /= samples_per_interval; double std_deviation = 0; for(unsigned long c = 0; c < samples_per_interval; ++c) @@ -178,7 +175,11 @@ DurationInfo MeasureDurations(const ins &in) std_deviation = std::sqrt(std_deviation / samples_per_interval); amplitudecurve_off.push_back(std_deviation); - if(std_deviation < highest_sofar * 0.2) break; + if(std_deviation < highest_sofar * 0.2) + break; + + if((period > max_silent * interval) && (sound_min >= -1 && sound_max <= 1)) + break; } /* Analyze the results */ @@ -225,7 +226,7 @@ DurationInfo MeasureDurations(const ins &in) result.ms_sound_kon = (int64_t)(quarter_amplitude_time * 1000.0 / interval); result.ms_sound_koff = (int64_t)(keyoff_out_time * 1000.0 / interval); - result.nosound = (peak_amplitude_value < 0.5); + result.nosound = (peak_amplitude_value < 0.5) || ((sound_min >= -1) && (sound_max <= 1)); return result; } |