diff options
Diffstat (limited to 'libopna')
-rw-r--r-- | libopna/opnaadpcm.c | 8 | ||||
-rw-r--r-- | libopna/opnaadpcm.h | 3 | ||||
-rw-r--r-- | libopna/opnadrum.c | 7 | ||||
-rw-r--r-- | libopna/opnadrum.h | 2 | ||||
-rw-r--r-- | libopna/opnafm.c | 13 | ||||
-rw-r--r-- | libopna/opnafm.h | 3 | ||||
-rw-r--r-- | libopna/opnassg.c | 13 | ||||
-rw-r--r-- | libopna/opnassg.h | 2 |
8 files changed, 49 insertions, 2 deletions
diff --git a/libopna/opnaadpcm.c b/libopna/opnaadpcm.c index 68dbae5..361064a 100644 --- a/libopna/opnaadpcm.c +++ b/libopna/opnaadpcm.c @@ -35,6 +35,7 @@ void opna_adpcm_reset(struct opna_adpcm *adpcm) { adpcm->prev_acc = 0; adpcm->adpcmd = 127; adpcm->out = 0; + leveldata_init(&adpcm->leveldata); } static uint32_t addr_conv(const struct opna_adpcm *adpcm, uint16_t a) { @@ -183,8 +184,14 @@ void opna_adpcm_writereg(struct opna_adpcm *adpcm, unsigned reg, unsigned val) { void opna_adpcm_mix(struct opna_adpcm *adpcm, int16_t *buf, unsigned samples) { if (!adpcm->ram) return; if (!(adpcm->control1 & C1_START)) return; + unsigned level = 0; for (unsigned i = 0; i < samples; i++) { adpcm_calc(adpcm); + { + int clevel = adpcm->out>>1; + if (clevel < 0) clevel = -clevel; + if (((unsigned)clevel) > level) level = clevel; + } if (!adpcm->masked) { int32_t lo = buf[i*2+0]; int32_t ro = buf[i*2+1]; @@ -199,6 +206,7 @@ void opna_adpcm_mix(struct opna_adpcm *adpcm, int16_t *buf, unsigned samples) { } if (!(adpcm->control1 & C1_START)) return; } + leveldata_update(&adpcm->leveldata, level); } void opna_adpcm_set_ram_256k(struct opna_adpcm *adpcm, void *ram) { diff --git a/libopna/opnaadpcm.h b/libopna/opnaadpcm.h index 42033ad..27a0be3 100644 --- a/libopna/opnaadpcm.h +++ b/libopna/opnaadpcm.h @@ -3,6 +3,7 @@ #include <stdint.h> #include <stdbool.h> +#include "leveldata/leveldata.h" #ifdef __cplusplus extern "C" { @@ -24,6 +25,8 @@ struct opna_adpcm { uint16_t adpcmd; int16_t out; bool masked; + atomic_uint levelvu; + struct leveldata leveldata; }; void opna_adpcm_reset(struct opna_adpcm *adpcm); diff --git a/libopna/opnadrum.c b/libopna/opnadrum.c index 1a298af..c3e8d38 100644 --- a/libopna/opnadrum.c +++ b/libopna/opnadrum.c @@ -23,6 +23,7 @@ void opna_drum_reset(struct opna_drum *drum) { drum->drums[d].level = 0; drum->drums[d].left = false; drum->drums[d].right = false; + leveldata_init(&drum->drums[d].leveldata); } drum->total_level = 0; drum->mask = 0; @@ -81,6 +82,7 @@ void opna_drum_set_rom(struct opna_drum *drum, void *romptr) { } void opna_drum_mix(struct opna_drum *drum, int16_t *buf, int samples) { + unsigned levels[6] = {0}; for (int i = 0; i < samples; i++) { int32_t lo = buf[i*2+0]; int32_t ro = buf[i*2+1]; @@ -91,6 +93,8 @@ void opna_drum_mix(struct opna_drum *drum, int16_t *buf, int samples) { unsigned level = (drum->drums[d].level^0x1f) + (drum->total_level^0x3f); co *= 15 - (level&7); co >>= 1+(level>>3); + unsigned outlevel = co > 0 ? co : -co; + if (outlevel > levels[d]) levels[d] = outlevel; if (!(drum->mask & (1u << d))) { if (drum->drums[d].left) lo += co; if (drum->drums[d].right) ro += co; @@ -109,6 +113,9 @@ void opna_drum_mix(struct opna_drum *drum, int16_t *buf, int samples) { buf[i*2+0] = lo; buf[i*2+1] = ro; } + for (int d = 0; d < 6; d++) { + leveldata_update(&drum->drums[d].leveldata, levels[d]); + } } void opna_drum_writereg(struct opna_drum *drum, unsigned reg, unsigned val) { diff --git a/libopna/opnadrum.h b/libopna/opnadrum.h index 79f95a2..7260995 100644 --- a/libopna/opnadrum.h +++ b/libopna/opnadrum.h @@ -3,6 +3,7 @@ #include <stdint.h> #include <stdbool.h> +#include "leveldata/leveldata.h" #ifdef __cplusplus extern "C" { @@ -32,6 +33,7 @@ struct opna_drum { unsigned level; bool left; bool right; + struct leveldata leveldata; } drums[6]; unsigned total_level; int16_t rom_bd[OPNA_ROM_BD_SIZE]; diff --git a/libopna/opnafm.c b/libopna/opnafm.c index 4e86b80..0d57a98 100644 --- a/libopna/opnafm.c +++ b/libopna/opnafm.c @@ -3,6 +3,7 @@ #include "opnatables.h" + //#include <stdio.h> #define printf(...) @@ -27,6 +28,7 @@ static void opna_fm_slot_reset(struct opna_fm_slot *slot) { void opna_fm_chan_reset(struct opna_fm_channel *chan) { + leveldata_init(&chan->leveldata); for (int i = 0; i < 4; i++) { opna_fm_slot_reset(&chan->slot[i]); } @@ -595,8 +597,6 @@ static int gcd(int a, int b) { return b; } - - void opna_fm_mix(struct opna_fm *fm, int16_t *buf, unsigned samples, struct oscillodata *oscillo, unsigned offset) { if (oscillo) { @@ -620,6 +620,7 @@ void opna_fm_mix(struct opna_fm *fm, int16_t *buf, unsigned samples, } } } + unsigned level[6] = {0}; for (unsigned i = 0; i < samples; i++) { if (!fm->env_div3) { for (int c = 0; c < 6; c++) { @@ -639,6 +640,11 @@ void opna_fm_mix(struct opna_fm *fm, int16_t *buf, unsigned samples, for (int c = 0; c < 6; c++) { struct opna_fm_frame o = opna_fm_chanout(&fm->channel[c]); + unsigned nlevel[2]; + nlevel[0] = o.data[0] > 0 ? o.data[0] : -o.data[0]; + nlevel[1] = o.data[1] > 0 ? o.data[1] : -o.data[1]; + if (nlevel[1] > nlevel[0]) nlevel[0] = nlevel[1]; + if (nlevel[0] > level[c]) level[c] = nlevel[0]; if (oscillo) oscillo[c].buf[offset+i] = o.data[0] + o.data[1]; // TODO: CSM if (c == 2 && fm->ch3.mode != CH3_MODE_NORMAL) { @@ -677,4 +683,7 @@ void opna_fm_mix(struct opna_fm *fm, int16_t *buf, unsigned samples, } fm->env_div3--; } + for (int c = 0; c < 6; c++) { + leveldata_update(&fm->channel[c].leveldata, level[c]); + } } diff --git a/libopna/opnafm.h b/libopna/opnafm.h index 9da143f..359517b 100644 --- a/libopna/opnafm.h +++ b/libopna/opnafm.h @@ -3,6 +3,7 @@ #include <stdint.h> #include <stdbool.h> +#include "leveldata/leveldata.h" #ifdef __cplusplus extern "C" { @@ -64,6 +65,8 @@ struct opna_fm_channel { uint8_t fb; uint16_t fnum; uint8_t blk; + + struct leveldata leveldata; }; struct opna_fm { diff --git a/libopna/opnassg.c b/libopna/opnassg.c index 86d9c9a..d92a8b8 100644 --- a/libopna/opnassg.c +++ b/libopna/opnassg.c @@ -134,6 +134,9 @@ void opna_ssg_resampler_reset(struct opna_ssg_resampler *resampler) { resampler->buf[i] = 0; } resampler->index = 0; + for (int c = 0; c < 3; c++) { + leveldata_init(&resampler->leveldata[c]); + } } void opna_ssg_writereg(struct opna_ssg *ssg, unsigned reg, unsigned val) { @@ -286,6 +289,7 @@ void opna_ssg_mix_55466( } } } + unsigned level[3] = {0}; for (int i = 0; i < samples; i++) { { int ssg_samples = ((resampler->index + 9)>>1) - ((resampler->index)>>1); @@ -305,6 +309,12 @@ void opna_ssg_mix_55466( opna_ssg_sinc_calc_func(resampler->index, resampler->buf, outbuf); for (int ch = 0; ch < 3; ch++) { if (oscillo) oscillo[ch].buf[offset+i] = outbuf[ch] >> 15; + int32_t nlevel = outbuf[ch]; + nlevel >>= 16; + nlevel *= 13000; + nlevel >>= 14; + if (nlevel < 0) nlevel = -nlevel; + if (((unsigned)nlevel) > level[ch]) level[ch] = nlevel; if (!(ssg->mask & (1<<ch))) sample += outbuf[ch] >> 2; } sample >>= 16; @@ -322,5 +332,8 @@ void opna_ssg_mix_55466( buf[i*2+0] = lo; buf[i*2+1] = ro; } + for (int c = 0; c < 3; c++) { + leveldata_update(&resampler->leveldata[c], level[c]); + } } #undef BUFINDEX diff --git a/libopna/opnassg.h b/libopna/opnassg.h index 8af8429..3077d08 100644 --- a/libopna/opnassg.h +++ b/libopna/opnassg.h @@ -3,6 +3,7 @@ #include <stdint.h> #include <stdbool.h> +#include "leveldata/leveldata.h" #ifdef __cplusplus extern "C" { @@ -35,6 +36,7 @@ struct opna_ssg { struct opna_ssg_resampler { int16_t buf[OPNA_SSG_SINCTABLELEN*4 * 2]; unsigned index; + struct leveldata leveldata[3]; }; void opna_ssg_reset(struct opna_ssg *ssg); |