171 lines
5.7 KiB
C
Executable file
171 lines
5.7 KiB
C
Executable file
/*
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* Digital audio support
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* Library-independent stub for dynamic selection of sound system
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*/
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#ifdef HAVE_CONFIG_H
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#include <conf.h>
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#endif
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#include "error.h"
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#include "mono.h"
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#include "fix.h"
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#include "vecmat.h"
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#include "gr.h"
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#include "piggy.h"
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#include "digi.h"
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#include "sounds.h"
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#include "wall.h"
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#include "newdemo.h"
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#include "kconfig.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <digi.h>
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#include <digi_audio.h>
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#ifdef USE_SDLMIXER
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#include <digi_mixer.h>
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#endif
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/* Sound system function pointers */
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int (*fptr_init)() = NULL;
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void (*fptr_close)() = NULL;
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void (*fptr_reset)() = NULL;
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void (*fptr_set_channel_volume)(int, int) = NULL;
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void (*fptr_set_channel_pan)(int, int) = NULL;
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int (*fptr_start_sound)(short, fix, int, int, int, int, int) = NULL;
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void (*fptr_stop_sound)(int) = NULL;
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void (*fptr_end_sound)(int) = NULL;
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int (*fptr_find_channel)(int) = NULL;
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int (*fptr_is_sound_playing)(int) = NULL;
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int (*fptr_is_channel_playing)(int) = NULL;
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void (*fptr_stop_all_channels)() = NULL;
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void (*fptr_set_digi_volume)(int) = NULL;
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void (*fptr_play_midi_song)(char *, char *, char *, int) = NULL;
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void (*fptr_set_midi_volume)(int) = NULL;
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void (*fptr_stop_current_song)() = NULL;
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void (*fptr_pause_midi)() = NULL;
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void (*fptr_resume_midi)() = NULL;
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void digi_select_system(int n) {
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switch (n) {
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#ifdef USE_SDLMIXER
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case SDLMIXER_SYSTEM:
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printf("Using SDL_mixer library\n");
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fptr_init = digi_mixer_init;
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fptr_close = digi_mixer_close;
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fptr_reset = digi_mixer_reset;
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fptr_set_channel_volume = digi_mixer_set_channel_volume;
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fptr_set_channel_pan = digi_mixer_set_channel_pan;
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fptr_start_sound = digi_mixer_start_sound;
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fptr_stop_sound = digi_mixer_stop_sound;
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fptr_end_sound = digi_mixer_end_sound;
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fptr_find_channel = digi_mixer_find_channel;
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fptr_is_sound_playing = digi_mixer_is_sound_playing;
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fptr_is_channel_playing = digi_mixer_is_channel_playing;
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fptr_stop_all_channels = digi_mixer_stop_all_channels;
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fptr_play_midi_song = digi_mixer_play_midi_song;
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fptr_stop_current_song = digi_mixer_stop_current_song;
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fptr_pause_midi = digi_mixer_pause_midi;
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fptr_resume_midi = digi_mixer_resume_midi;
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fptr_set_midi_volume = digi_mixer_set_midi_volume;
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fptr_set_digi_volume = digi_mixer_set_digi_volume;
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break;
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#endif
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case SDLAUDIO_SYSTEM:
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default:
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printf("Using plain old SDL audio\n");
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fptr_init = digi_audio_init;
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fptr_close = digi_audio_close;
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fptr_reset = digi_audio_reset;
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fptr_set_channel_volume = digi_audio_set_channel_volume;
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fptr_set_channel_pan = digi_audio_set_channel_pan;
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fptr_start_sound = digi_audio_start_sound;
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fptr_stop_sound = digi_audio_stop_sound;
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fptr_end_sound = digi_audio_end_sound;
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fptr_find_channel = digi_audio_find_channel;
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fptr_is_sound_playing = digi_audio_is_sound_playing;
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fptr_is_channel_playing = digi_audio_is_channel_playing;
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fptr_stop_all_channels = digi_audio_stop_all_channels;
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fptr_play_midi_song = digi_audio_play_midi_song;
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fptr_stop_current_song = digi_audio_stop_current_song;
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fptr_pause_midi = digi_audio_pause_midi;
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fptr_resume_midi = digi_audio_resume_midi;
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fptr_set_midi_volume = digi_audio_set_midi_volume;
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fptr_set_digi_volume = digi_audio_set_digi_volume;
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break;
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}
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}
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/* Common digi functions */
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static int digi_initialised = 0;
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static int digi_max_channels = 16;
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int digi_sample_rate = SAMPLE_RATE_22K;
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int digi_volume = SOUND_MAX_VOLUME;
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int midi_volume = SOUND_MAX_VOLUME;
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void digi_set_volume(int dvolume, int mvolume) {
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digi_volume = dvolume;
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midi_volume = mvolume;
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if (fptr_set_digi_volume) digi_set_digi_volume(dvolume);
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if (fptr_set_midi_volume) digi_set_midi_volume(mvolume);
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}
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void digi_set_sample_rate(int r) { digi_sample_rate = r; }
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/* Stub functions */
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int digi_init() { return fptr_init(); }
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void digi_close() { fptr_close(); }
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void digi_reset() { fptr_reset(); }
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void digi_set_channel_volume(int channel, int volume) { fptr_set_channel_volume(channel, volume); }
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void digi_set_channel_pan(int channel, int pan) { fptr_set_channel_pan(channel, pan); }
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int digi_start_sound(short soundnum, fix volume, int pan, int looping, int loop_start, int loop_end, int soundobj) { return fptr_start_sound(soundnum, volume, pan, looping, loop_start, loop_end, soundobj); }
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void digi_stop_sound(int channel) { fptr_stop_sound(channel); }
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void digi_end_sound(int channel) { fptr_end_sound(channel); }
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int digi_find_channel(int soundno) { return fptr_find_channel(soundno); }
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int digi_is_sound_playing(int soundno) { return fptr_is_sound_playing(soundno); }
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int digi_is_channel_playing(int channel) { return fptr_is_channel_playing(channel); }
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void digi_stop_all_channels() { fptr_stop_all_channels(); }
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void digi_set_max_channels(int n) { }
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int digi_get_max_channels() { return 0; }
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void digi_set_digi_volume(int dvolume) { fptr_set_digi_volume(dvolume); }
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void digi_play_midi_song(char * filename, char * melodic_bank, char * drum_bank, int loop ) { fptr_play_midi_song(filename, melodic_bank, drum_bank, loop); }
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void digi_set_midi_volume(int mvolume) { fptr_set_midi_volume(mvolume); }
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void digi_stop_current_song() { fptr_stop_current_song(); }
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void digi_pause_midi() { fptr_pause_midi(); }
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void digi_resume_midi() { fptr_resume_midi(); }
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#ifndef NDEBUG
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void digi_debug()
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{
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int i;
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int n_voices = 0;
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if (!digi_initialised) return;
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for (i = 0; i < digi_max_channels; i++)
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{
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if (digi_is_channel_playing(i))
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n_voices++;
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}
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mprintf_at((0, 2, 0, "DIGI: Active Sound Channels: %d/%d (HMI says %d/32) ", n_voices, digi_max_channels, -1));
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//mprintf_at((0, 3, 0, "DIGI: Number locked sounds: %d ", digi_total_locks ));
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}
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#endif
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