212 lines
5.3 KiB
C
212 lines
5.3 KiB
C
/*
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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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#include "pstypes.h"
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#include "dxxerror.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 "console.h"
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#include "rbaudio.h"
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#include "jukebox.h"
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#include "args.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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#ifdef _WIN32
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#include "hmp.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_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 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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con_printf(CON_NORMAL,"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_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_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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con_printf(CON_NORMAL,"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_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_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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#ifndef NDEBUG
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static int digi_initialised = 0;
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#endif
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extern int digi_max_channels;
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#if defined(DXX_BUILD_DESCENT_I)
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int digi_sample_rate = SAMPLE_RATE_11K;
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#endif
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int digi_volume = SOUND_MAX_VOLUME;
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void digi_set_volume(int dvolume) {
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digi_volume = dvolume;
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if (fptr_set_digi_volume) digi_set_digi_volume(dvolume);
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}
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void digi_set_sample_rate(int r) {
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#if defined(DXX_BUILD_DESCENT_I)
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digi_sample_rate = r;
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#elif defined(DXX_BUILD_DESCENT_II)
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GameArg.SndDigiSampleRate = r;
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#endif
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}
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/* Stub functions */
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int digi_init()
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{
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digi_init_sounds();
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return fptr_init();
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}
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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_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_digi_volume(int dvolume) { fptr_set_digi_volume(dvolume); }
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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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}
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#endif
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#ifdef _WIN32
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// Windows native-MIDI stuff.
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int digi_win32_midi_song_playing=0;
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static hmp_file *cur_hmp=NULL;
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static int firstplay = 1;
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void digi_win32_set_midi_volume( int mvolume )
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{
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hmp_setvolume(cur_hmp, mvolume*MIDI_VOLUME_SCALE/8);
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}
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int digi_win32_play_midi_song( char * filename, int loop )
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{
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if (firstplay)
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{
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hmp_reset();
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firstplay = 0;
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}
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digi_win32_stop_midi_song();
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if (filename == NULL)
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return 0;
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if ((cur_hmp = hmp_open(filename)))
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{
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/*
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* FIXME: to be implemented as soon as we have some kind or checksum function - replacement for ugly hack in hmp.c for descent.hmp
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* if (***filesize check*** && ***CRC32 or MD5 check***)
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* (((*cur_hmp).trks)[1]).data[6] = 0x6C;
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*/
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if (hmp_play(cur_hmp,loop) != 0)
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return 0; // error
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digi_win32_midi_song_playing = 1;
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digi_win32_set_midi_volume(GameCfg.MusicVolume);
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return 1;
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}
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return 0;
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}
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void digi_win32_pause_midi_song()
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{
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hmp_pause(cur_hmp);
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}
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void digi_win32_resume_midi_song()
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{
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hmp_resume(cur_hmp);
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}
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void digi_win32_stop_midi_song()
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{
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if (!digi_win32_midi_song_playing)
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return;
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hmp_close(cur_hmp);
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cur_hmp = NULL;
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digi_win32_midi_song_playing = 0;
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hmp_reset();
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}
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#endif
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