mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-11-18 02:01:39 +00:00
608 lines
13 KiB
C
608 lines
13 KiB
C
/* Extended Module Player
|
|
* Copyright (C) 1996-2016 Claudio Matsuoka and Hipolito Carraro Jr
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the "Software"),
|
|
* to deal in the Software without restriction, including without limitation
|
|
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
* and/or sell copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <limits.h>
|
|
#include "common.h"
|
|
#include "virtual.h"
|
|
#include "mixer.h"
|
|
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
#include "paula.h"
|
|
#endif
|
|
|
|
#define FREE -1
|
|
|
|
/* For virt_pastnote() */
|
|
void libxmp_player_set_release(struct context_data *, int);
|
|
void libxmp_player_set_fadeout(struct context_data *, int);
|
|
|
|
|
|
/* Get parent channel */
|
|
int libxmp_virt_getroot(struct context_data *ctx, int chn)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
struct mixer_voice *vi;
|
|
int voc;
|
|
|
|
voc = p->virt.virt_channel[chn].map;
|
|
if (voc < 0) {
|
|
return -1;
|
|
}
|
|
|
|
vi = &p->virt.voice_array[voc];
|
|
|
|
return vi->root;
|
|
}
|
|
|
|
void libxmp_virt_resetvoice(struct context_data *ctx, int voc, int mute)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
struct mixer_voice *vi = &p->virt.voice_array[voc];
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
struct paula_state *paula;
|
|
#endif
|
|
|
|
if ((uint32)voc >= p->virt.maxvoc) {
|
|
return;
|
|
}
|
|
|
|
if (mute) {
|
|
libxmp_mixer_setvol(ctx, voc, 0);
|
|
}
|
|
|
|
p->virt.virt_used--;
|
|
p->virt.virt_channel[vi->root].count--;
|
|
p->virt.virt_channel[vi->chn].map = FREE;
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
paula = vi->paula;
|
|
#endif
|
|
memset(vi, 0, sizeof(struct mixer_voice));
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
vi->paula = paula;
|
|
#endif
|
|
vi->chn = vi->root = FREE;
|
|
}
|
|
|
|
/* virt_on (number of tracks) */
|
|
int libxmp_virt_on(struct context_data *ctx, int num)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
struct module_data *m = &ctx->m;
|
|
int i;
|
|
|
|
p->virt.num_tracks = num;
|
|
num = libxmp_mixer_numvoices(ctx, -1);
|
|
|
|
p->virt.virt_channels = p->virt.num_tracks;
|
|
|
|
if (HAS_QUIRK(QUIRK_VIRTUAL)) {
|
|
p->virt.virt_channels += num;
|
|
} else if (num > p->virt.virt_channels) {
|
|
num = p->virt.virt_channels;
|
|
}
|
|
|
|
p->virt.maxvoc = libxmp_mixer_numvoices(ctx, num);
|
|
|
|
p->virt.voice_array = (struct mixer_voice *)calloc(p->virt.maxvoc,
|
|
sizeof(struct mixer_voice));
|
|
if (p->virt.voice_array == NULL)
|
|
goto err;
|
|
|
|
for (i = 0; i < p->virt.maxvoc; i++) {
|
|
p->virt.voice_array[i].chn = FREE;
|
|
p->virt.voice_array[i].root = FREE;
|
|
}
|
|
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
/* Initialize Paula simulator */
|
|
if (IS_AMIGA_MOD()) {
|
|
for (i = 0; i < p->virt.maxvoc; i++) {
|
|
p->virt.voice_array[i].paula = calloc(1, sizeof (struct paula_state));
|
|
if (p->virt.voice_array[i].paula == NULL) {
|
|
goto err2;
|
|
}
|
|
libxmp_paula_init(ctx, p->virt.voice_array[i].paula);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
p->virt.virt_channel = (struct virt_channel *)malloc(p->virt.virt_channels *
|
|
sizeof(struct virt_channel));
|
|
if (p->virt.virt_channel == NULL)
|
|
goto err2;
|
|
|
|
for (i = 0; i < p->virt.virt_channels; i++) {
|
|
p->virt.virt_channel[i].map = FREE;
|
|
p->virt.virt_channel[i].count = 0;
|
|
}
|
|
|
|
p->virt.virt_used = 0;
|
|
|
|
return 0;
|
|
|
|
err2:
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
if (IS_AMIGA_MOD()) {
|
|
for (i = 0; i < p->virt.maxvoc; i++) {
|
|
free(p->virt.voice_array[i].paula);
|
|
}
|
|
}
|
|
#endif
|
|
free(p->virt.voice_array);
|
|
err:
|
|
return -1;
|
|
}
|
|
|
|
void libxmp_virt_off(struct context_data *ctx)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
struct module_data *m = &ctx->m;
|
|
int i;
|
|
#endif
|
|
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
/* Free Paula simulator state */
|
|
if (IS_AMIGA_MOD()) {
|
|
for (i = 0; i < p->virt.maxvoc; i++) {
|
|
free(p->virt.voice_array[i].paula);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
p->virt.virt_used = p->virt.maxvoc = 0;
|
|
p->virt.virt_channels = 0;
|
|
p->virt.num_tracks = 0;
|
|
|
|
free(p->virt.voice_array);
|
|
free(p->virt.virt_channel);
|
|
}
|
|
|
|
void libxmp_virt_reset(struct context_data *ctx)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int i;
|
|
|
|
if (p->virt.virt_channels < 1) {
|
|
return;
|
|
}
|
|
|
|
/* CID 129203 (#1 of 1): Useless call (USELESS_CALL)
|
|
* Call is only useful for its return value, which is ignored.
|
|
*
|
|
* libxmp_mixer_numvoices(ctx, p->virt.maxvoc);
|
|
*/
|
|
|
|
for (i = 0; i < p->virt.maxvoc; i++) {
|
|
struct mixer_voice *vi = &p->virt.voice_array[i];
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
struct paula_state *paula = vi->paula;
|
|
#endif
|
|
memset(vi, 0, sizeof(struct mixer_voice));
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
vi->paula = paula;
|
|
#endif
|
|
vi->chn = FREE;
|
|
vi->root = FREE;
|
|
}
|
|
|
|
for (i = 0; i < p->virt.virt_channels; i++) {
|
|
p->virt.virt_channel[i].map = FREE;
|
|
p->virt.virt_channel[i].count = 0;
|
|
}
|
|
|
|
p->virt.virt_used = 0;
|
|
}
|
|
|
|
static int free_voice(struct context_data *ctx)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int i, num, vol;
|
|
|
|
/* Find background voice with lowest volume*/
|
|
num = FREE;
|
|
vol = INT_MAX;
|
|
for (i = 0; i < p->virt.maxvoc; i++) {
|
|
struct mixer_voice *vi = &p->virt.voice_array[i];
|
|
|
|
if (vi->chn >= p->virt.num_tracks && vi->vol < vol) {
|
|
num = i;
|
|
vol = vi->vol;
|
|
}
|
|
}
|
|
|
|
/* Free voice */
|
|
if (num >= 0) {
|
|
p->virt.virt_channel[p->virt.voice_array[num].chn].map = FREE;
|
|
p->virt.virt_channel[p->virt.voice_array[num].root].count--;
|
|
p->virt.virt_used--;
|
|
}
|
|
|
|
return num;
|
|
}
|
|
|
|
static int alloc_voice(struct context_data *ctx, int chn)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int i;
|
|
|
|
/* Find free voice */
|
|
for (i = 0; i < p->virt.maxvoc; i++) {
|
|
if (p->virt.voice_array[i].chn == FREE)
|
|
break;
|
|
}
|
|
|
|
/* not found */
|
|
if (i == p->virt.maxvoc) {
|
|
i = free_voice(ctx);
|
|
}
|
|
|
|
if (i >= 0) {
|
|
p->virt.virt_channel[chn].count++;
|
|
p->virt.virt_used++;
|
|
|
|
p->virt.voice_array[i].chn = chn;
|
|
p->virt.voice_array[i].root = chn;
|
|
p->virt.virt_channel[chn].map = i;
|
|
}
|
|
|
|
return i;
|
|
}
|
|
|
|
static int map_virt_channel(struct player_data *p, int chn)
|
|
{
|
|
int voc;
|
|
|
|
if ((uint32)chn >= p->virt.virt_channels)
|
|
return -1;
|
|
|
|
voc = p->virt.virt_channel[chn].map;
|
|
|
|
if ((uint32)voc >= p->virt.maxvoc)
|
|
return -1;
|
|
|
|
return voc;
|
|
}
|
|
|
|
int libxmp_virt_mapchannel(struct context_data *ctx, int chn)
|
|
{
|
|
return map_virt_channel(&ctx->p, chn);
|
|
}
|
|
|
|
void libxmp_virt_resetchannel(struct context_data *ctx, int chn)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
struct mixer_voice *vi;
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
struct paula_state *paula;
|
|
#endif
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0)
|
|
return;
|
|
|
|
libxmp_mixer_setvol(ctx, voc, 0);
|
|
|
|
p->virt.virt_used--;
|
|
p->virt.virt_channel[p->virt.voice_array[voc].root].count--;
|
|
p->virt.virt_channel[chn].map = FREE;
|
|
|
|
vi = &p->virt.voice_array[voc];
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
paula = vi->paula;
|
|
#endif
|
|
memset(vi, 0, sizeof(struct mixer_voice));
|
|
#ifdef LIBXMP_PAULA_SIMULATOR
|
|
vi->paula = paula;
|
|
#endif
|
|
vi->chn = vi->root = FREE;
|
|
}
|
|
|
|
void libxmp_virt_setvol(struct context_data *ctx, int chn, int vol)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc, root;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
root = p->virt.voice_array[voc].root;
|
|
if (root < XMP_MAX_CHANNELS && p->channel_mute[root]) {
|
|
vol = 0;
|
|
}
|
|
|
|
libxmp_mixer_setvol(ctx, voc, vol);
|
|
|
|
if (vol == 0 && chn >= p->virt.num_tracks) {
|
|
libxmp_virt_resetvoice(ctx, voc, 1);
|
|
}
|
|
}
|
|
|
|
void libxmp_virt_release(struct context_data *ctx, int chn, int rel)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
libxmp_mixer_release(ctx, voc, rel);
|
|
}
|
|
|
|
void libxmp_virt_setpan(struct context_data *ctx, int chn, int pan)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
libxmp_mixer_setpan(ctx, voc, pan);
|
|
}
|
|
|
|
void libxmp_virt_seteffect(struct context_data *ctx, int chn, int type, int val)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
libxmp_mixer_seteffect(ctx, voc, type, val);
|
|
}
|
|
|
|
double libxmp_virt_getvoicepos(struct context_data *ctx, int chn)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return -1;
|
|
}
|
|
|
|
return libxmp_mixer_getvoicepos(ctx, voc);
|
|
}
|
|
|
|
#ifndef LIBXMP_CORE_PLAYER
|
|
|
|
void libxmp_virt_setsmp(struct context_data *ctx, int chn, int smp)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
struct mixer_voice *vi;
|
|
double pos;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
vi = &p->virt.voice_array[voc];
|
|
if (vi->smp == smp) {
|
|
return;
|
|
}
|
|
|
|
pos = libxmp_mixer_getvoicepos(ctx, voc);
|
|
libxmp_mixer_setpatch(ctx, voc, smp, 0);
|
|
libxmp_mixer_voicepos(ctx, voc, pos, 0); /* Restore old position */
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifndef LIBXMP_CORE_DISABLE_IT
|
|
|
|
void libxmp_virt_setnna(struct context_data *ctx, int chn, int nna)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
p->virt.voice_array[voc].act = nna;
|
|
}
|
|
|
|
static void check_dct(struct context_data *ctx, int i, int chn, int ins,
|
|
int smp, int note, int nna, int dct, int dca)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
struct mixer_voice *vi = &p->virt.voice_array[i];
|
|
int voc;
|
|
|
|
voc = p->virt.virt_channel[chn].map;
|
|
|
|
if (vi->root == chn && vi->ins == ins) {
|
|
|
|
if (nna == XMP_INST_NNA_CUT) {
|
|
libxmp_virt_resetvoice(ctx, i, 1);
|
|
return;
|
|
}
|
|
|
|
vi->act = nna;
|
|
|
|
if ((dct == XMP_INST_DCT_INST) ||
|
|
(dct == XMP_INST_DCT_SMP && vi->smp == smp) ||
|
|
(dct == XMP_INST_DCT_NOTE && vi->note == note)) {
|
|
|
|
if (nna == XMP_INST_NNA_OFF && dca == XMP_INST_DCA_FADE) {
|
|
vi->act = VIRT_ACTION_OFF;
|
|
} else if (dca) {
|
|
if (i != voc || vi->act) {
|
|
vi->act = dca;
|
|
}
|
|
} else {
|
|
libxmp_virt_resetvoice(ctx, i, 1);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
/* For note slides */
|
|
void libxmp_virt_setnote(struct context_data *ctx, int chn, int note)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
libxmp_mixer_setnote(ctx, voc, note);
|
|
}
|
|
|
|
int libxmp_virt_setpatch(struct context_data *ctx, int chn, int ins, int smp,
|
|
int note, int nna, int dct, int dca)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc, vfree;
|
|
|
|
if ((uint32)chn >= p->virt.virt_channels) {
|
|
return -1;
|
|
}
|
|
|
|
if (ins < 0) {
|
|
smp = -1;
|
|
}
|
|
|
|
#ifndef LIBXMP_CORE_DISABLE_IT
|
|
if (dct) {
|
|
int i;
|
|
|
|
for (i = 0; i < p->virt.maxvoc; i++) {
|
|
check_dct(ctx, i, chn, ins, smp, note, nna, dct, dca);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
voc = p->virt.virt_channel[chn].map;
|
|
|
|
if (voc > FREE) {
|
|
if (p->virt.voice_array[voc].act) {
|
|
vfree = alloc_voice(ctx, chn);
|
|
|
|
if (vfree < 0) {
|
|
return -1;
|
|
}
|
|
|
|
for (chn = p->virt.num_tracks;
|
|
p->virt.virt_channel[chn++].map > FREE;) ;
|
|
|
|
p->virt.voice_array[voc].chn = --chn;
|
|
p->virt.virt_channel[chn].map = voc;
|
|
voc = vfree;
|
|
}
|
|
} else {
|
|
voc = alloc_voice(ctx, chn);
|
|
if (voc < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
if (smp < 0) {
|
|
libxmp_virt_resetvoice(ctx, voc, 1);
|
|
return chn; /* was -1 */
|
|
}
|
|
|
|
libxmp_mixer_setpatch(ctx, voc, smp, 1);
|
|
libxmp_mixer_setnote(ctx, voc, note);
|
|
p->virt.voice_array[voc].ins = ins;
|
|
p->virt.voice_array[voc].act = nna;
|
|
|
|
return chn;
|
|
}
|
|
|
|
void libxmp_virt_setperiod(struct context_data *ctx, int chn, double period)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
libxmp_mixer_setperiod(ctx, voc, period);
|
|
}
|
|
|
|
void libxmp_virt_voicepos(struct context_data *ctx, int chn, double pos)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return;
|
|
}
|
|
|
|
libxmp_mixer_voicepos(ctx, voc, pos, 1);
|
|
}
|
|
|
|
#ifndef LIBXMP_CORE_DISABLE_IT
|
|
|
|
void libxmp_virt_pastnote(struct context_data *ctx, int chn, int act)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int c, voc;
|
|
|
|
for (c = p->virt.num_tracks; c < p->virt.virt_channels; c++) {
|
|
if ((voc = map_virt_channel(p, c)) < 0)
|
|
continue;
|
|
|
|
if (p->virt.voice_array[voc].root == chn) {
|
|
switch (act) {
|
|
case VIRT_ACTION_CUT:
|
|
libxmp_virt_resetvoice(ctx, voc, 1);
|
|
break;
|
|
case VIRT_ACTION_OFF:
|
|
libxmp_player_set_release(ctx, c);
|
|
break;
|
|
case VIRT_ACTION_FADE:
|
|
libxmp_player_set_fadeout(ctx, c);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
int libxmp_virt_cstat(struct context_data *ctx, int chn)
|
|
{
|
|
struct player_data *p = &ctx->p;
|
|
int voc;
|
|
|
|
if ((voc = map_virt_channel(p, chn)) < 0) {
|
|
return VIRT_INVALID;
|
|
}
|
|
|
|
if (chn < p->virt.num_tracks) {
|
|
return VIRT_ACTIVE;
|
|
}
|
|
|
|
return p->virt.voice_array[voc].act;
|
|
}
|