X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Flibgame%2Fsound.c;h=57e61c7093f37c939a99e29f614c78dad6de4f59;hp=1cf7e5f1baeaa86cce0188ce2676d73132c0d28e;hb=8d71e6fb8309bd90ce5f2900d84c686b17950492;hpb=3d07b68a314ce189f207e42d95f786979662410d diff --git a/src/libgame/sound.c b/src/libgame/sound.c index 1cf7e5f1..cb788e7e 100644 --- a/src/libgame/sound.c +++ b/src/libgame/sound.c @@ -1,1047 +1,1123 @@ -/*********************************************************** -* Rocks'n'Diamonds -- McDuffin Strikes Back! * -*----------------------------------------------------------* -* (c) 1995-98 Artsoft Entertainment * -* Holger Schemel * -* Oststrasse 11a * -* 33604 Bielefeld * -* phone: ++49 +521 290471 * -* email: aeglos@valinor.owl.de * -*----------------------------------------------------------* -* sound.c * -***********************************************************/ - +// ============================================================================ +// Artsoft Retro-Game Library +// ---------------------------------------------------------------------------- +// (c) 1995-2014 by Artsoft Entertainment +// Holger Schemel +// info@artsoft.org +// http://www.artsoft.org/ +// ---------------------------------------------------------------------------- +// sound.c +// ============================================================================ + +#include #include +#include #include #include +#include +#include +#include +#include +#include "platform.h" +#include "system.h" #include "sound.h" #include "misc.h" +#include "setup.h" +#include "text.h" + + +/* expiration time (in milliseconds) for sound loops */ +#define SOUND_LOOP_EXPIRATION_TIME 200 + +/* one second fading interval == 1000 ticks (milliseconds) */ +#define SOUND_FADING_INTERVAL 1000 + +#define SND_TYPE_NONE 0 +#define SND_TYPE_WAV 1 + +#define MUS_TYPE_NONE 0 +#define MUS_TYPE_WAV 1 +#define MUS_TYPE_MOD 2 + +#define DEVICENAME_DSP "/dev/dsp" +#define DEVICENAME_SOUND_DSP "/dev/sound/dsp" +#define DEVICENAME_AUDIO "/dev/audio" +#define DEVICENAME_AUDIOCTL "/dev/audioCtl" +#define SOUND_VOLUME_LEFT(x) (stereo_volume[x]) +#define SOUND_VOLUME_RIGHT(x) (stereo_volume[SOUND_MAX_LEFT2RIGHT-x]) -static int num_sounds = 0; -static struct SampleInfo *Sound = NULL; +#define SAME_SOUND_NR(x,y) ((x).nr == (y).nr) +#define SAME_SOUND_DATA(x,y) ((x).data_ptr == (y).data_ptr) +#define SOUND_VOLUME_FROM_PERCENT(v,p) ((p) < 0 ? SOUND_MIN_VOLUME : \ + (p) > 100 ? (v) : \ + (p) * (v) / 100) -/*** THE STUFF BELOW IS ONLY USED BY THE SOUND SERVER CHILD PROCESS ***/ +#define SOUND_VOLUME_SIMPLE(v) SOUND_VOLUME_FROM_PERCENT(v, setup.volume_simple) +#define SOUND_VOLUME_LOOPS(v) SOUND_VOLUME_FROM_PERCENT(v, setup.volume_loops) +#define SOUND_VOLUME_MUSIC(v) SOUND_VOLUME_FROM_PERCENT(v, setup.volume_music) -static int playing_sounds = 0; -static struct SoundControl playlist[MAX_SOUNDS_PLAYING]; -static struct SoundControl emptySoundControl = +#define SETUP_SOUND_VOLUME(v,s) ((s) == SND_CTRL_PLAY_MUSIC ? \ + SOUND_VOLUME_MUSIC(v) : \ + (s) == SND_CTRL_PLAY_LOOP ? \ + SOUND_VOLUME_LOOPS(v) : \ + SOUND_VOLUME_SIMPLE(v)) + +struct AudioFormatInfo { - -1,0,0, FALSE,FALSE,FALSE,FALSE,FALSE, 0,0L,0L,NULL + boolean stereo; /* availability of stereo sound */ + int format; /* size and endianess of sample data */ + int sample_rate; /* sample frequency */ + int fragment_size; /* audio device fragment size in bytes */ }; -#if defined(PLATFORM_UNIX) -static int stereo_volume[PSND_MAX_LEFT2RIGHT+1]; -static char premix_first_buffer[SND_BLOCKSIZE]; -#if defined(AUDIO_STREAMING_DSP) -static char premix_left_buffer[SND_BLOCKSIZE]; -static char premix_right_buffer[SND_BLOCKSIZE]; -static int premix_last_buffer[SND_BLOCKSIZE]; -#endif -static unsigned char playing_buffer[SND_BLOCKSIZE]; -#endif +struct SampleInfo +{ + char *source_filename; + int num_references; + + int type; + int format; + void *data_ptr; /* pointer to first sample (8 or 16 bit) */ + int data_len; /* number of samples, NOT number of bytes */ + int num_channels; /* mono: 1 channel, stereo: 2 channels */ +}; +typedef struct SampleInfo SoundInfo; +typedef struct SampleInfo MusicInfo; -/* forward declaration of internal functions */ -#if defined(AUDIO_STREAMING_DSP) -static void SoundServer_InsertNewSound(struct SoundControl); -#elif defined(PLATFORM_UNIX) -static unsigned char linear_to_ulaw(int); -static int ulaw_to_linear(unsigned char); -#endif +struct SoundControl +{ + boolean active; -#if defined(PLATFORM_HPUX) -static void HPUX_Audio_Control(); -#endif + int nr; + int volume; + int stereo_position; -#if defined(PLATFORM_MSDOS) -static void SoundServer_InsertNewSound(struct SoundControl); -static void SoundServer_StopSound(int); -static void SoundServer_StopAllSounds(); -#endif + int state; -#if defined(PLATFORM_UNIX) -int OpenAudioDevice(char *audio_device_name) -{ - int audio_fd; + unsigned int playing_starttime; + unsigned int playing_pos; - /* check if desired audio device is accessible */ - if (access(audio_device_name, W_OK) != 0) - return -1; + int type; + int format; + void *data_ptr; /* pointer to first sample (8 or 16 bit) */ + int data_len; /* number of samples, NOT number of bytes */ + int num_channels; /* mono: 1 channel, stereo: 2 channels */ +}; +typedef struct SoundControl SoundControl; - /* try to open audio device in non-blocking mode */ - if ((audio_fd = open(audio_device_name, O_WRONLY | O_NONBLOCK)) < 0) - return audio_fd; +static struct ArtworkListInfo *sound_info = NULL; +static struct ArtworkListInfo *music_info = NULL; - /* re-open audio device in blocking mode */ - close(audio_fd); - audio_fd = open(audio_device_name, O_WRONLY); +static MusicInfo **Music_NoConf = NULL; - return audio_fd; -} +static int num_music_noconf = 0; +static int stereo_volume[SOUND_MAX_LEFT2RIGHT + 1]; -void UnixOpenAudio(struct AudioSystemInfo *audio) -{ - static char *audio_device_name[] = - { - DEVICENAME_DSP, - DEVICENAME_AUDIO - }; - int audio_fd = -1; - int i; +static char *currently_playing_music_filename = NULL; - /* look for available audio devices, starting with preferred ones */ - for (i=0; i= 0) - break; - if (audio_fd < 0) - { - Error(ERR_WARN, "cannot open audio device - no sound"); - return; - } +/* ========================================================================= */ +/* THE STUFF BELOW IS ONLY USED BY THE SOUND SERVER CHILD PROCESS */ - close(audio_fd); +static struct SoundControl mixer[NUM_MIXER_CHANNELS]; +static int mixer_active_channels = 0; +static boolean expire_loop_sounds = FALSE; - audio->device_name = audio_device_name[i]; - audio->sound_available = TRUE; - audio->sound_enabled = TRUE; +static void ReloadCustomSounds(); +static void ReloadCustomMusic(); +static void FreeSound(void *); +static void FreeMusic(void *); +static void FreeAllMusic_NoConf(); -#if defined(AUDIO_STREAMING_DSP) - audio->loops_available = TRUE; -#endif -} +static SoundInfo *getSoundInfoEntryFromSoundID(int); +static MusicInfo *getMusicInfoEntryFromMusicID(int); -void UnixCloseAudio(struct AudioSystemInfo *audio) -{ - if (audio->device_fd) - close(audio->device_fd); -} -#endif /* PLATFORM_UNIX */ +/* ------------------------------------------------------------------------- */ +/* mixer functions */ +/* ------------------------------------------------------------------------- */ -void SoundServer() +void Mixer_InitChannels() { int i; -#if defined(PLATFORM_UNIX) - struct SoundControl snd_ctrl; - fd_set sound_fdset; - close(audio.soundserver_pipe[1]); /* no writing into pipe needed */ -#endif + for (i = 0; i < audio.num_channels; i++) + mixer[i].active = FALSE; + mixer_active_channels = 0; +} - for(i=0;i= 0) - { - if (!playing_sounds) /* we just opened the audio device */ - { - /* 2 buffers / 512 bytes, giving 1/16 second resolution */ - /* (with stereo the effective buffer size will shrink to 256) */ - fragment_size = 0x00020009; - - if (ioctl(audio.device_fd,SNDCTL_DSP_SETFRAGMENT,&fragment_size) < 0) - Error(ERR_EXIT_SOUND_SERVER, - "cannot set fragment size of /dev/dsp - no sounds"); - - /* try if we can use stereo sound */ - if (ioctl(audio.device_fd, SNDCTL_DSP_STEREO, &stereo) < 0) - { -#ifdef DEBUG - static boolean reported = FALSE; - - if (!reported) - { - Error(ERR_RETURN, "cannot get stereo sound on /dev/dsp"); - reported = TRUE; - } -#endif - stereo = FALSE; - } - - if (ioctl(audio.device_fd, SNDCTL_DSP_SPEED, &sample_rate) < 0) - Error(ERR_EXIT_SOUND_SERVER, - "cannot set sample rate of /dev/dsp - no sounds"); - - /* get the real fragmentation size; this should return 512 */ - if (ioctl(audio.device_fd, SNDCTL_DSP_GETBLKSIZE,&fragment_size) < 0) - Error(ERR_EXIT_SOUND_SERVER, - "cannot get fragment size of /dev/dsp - no sounds"); - - max_sample_size = fragment_size / (stereo ? 2 : 1); - } - - if (snd_ctrl.active) /* new sound has arrived */ - SoundServer_InsertNewSound(snd_ctrl); - - while(playing_sounds && - select(audio.soundserver_pipe[0] + 1, - &sound_fdset, NULL, NULL, &delay) < 1) - { - FD_SET(audio.soundserver_pipe[0], &sound_fdset); - - /* first clear the last premixing buffer */ - memset(premix_last_buffer,0,fragment_size*sizeof(int)); - - for(i=0;i=PSND_MAX_VOLUME/10) - playlist[i].volume-=PSND_MAX_VOLUME/20; - - /* adjust volume of actual sound sample */ - if (playlist[i].volume != PSND_MAX_VOLUME) - for(j=0;j> PSND_MAX_VOLUME_BITS; - - /* fill the last mixing buffer with stereo or mono sound */ - if (stereo) - { - int middle_pos = PSND_MAX_LEFT2RIGHT/2; - int left_volume = stereo_volume[middle_pos+playlist[i].stereo]; - int right_volume = stereo_volume[middle_pos-playlist[i].stereo]; - - for(j=0;j> PSND_MAX_LEFT2RIGHT_BITS; - premix_right_buffer[j] = - (right_volume * (int)premix_first_buffer[j]) - >> PSND_MAX_LEFT2RIGHT_BITS; - premix_last_buffer[2*j+0] += premix_left_buffer[j]; - premix_last_buffer[2*j+1] += premix_right_buffer[j]; - } - } - else - { - for(j=0;j= playlist[i].data_len) - { - if (playlist[i].loop) - playlist[i].playingpos = 0; - else - { - playlist[i] = emptySoundControl; - playing_sounds--; - } - } - else if (playlist[i].volume <= PSND_MAX_VOLUME/10) - { - playlist[i] = emptySoundControl; - playing_sounds--; - } - } - - /* put last mixing buffer to final playing buffer */ - for(i=0;i255) - playing_buffer[i] = 255; - else - playing_buffer[i] = (premix_last_buffer[i]>>1)^0x80; - } - - /* finally play the sound fragment */ - write(audio.device_fd, playing_buffer,fragment_size); - } - - /* if no sounds playing, free device for other sound programs */ - if (!playing_sounds) - close(audio.device_fd); - } - } + Mixer_ResetChannelExpiration(channel); -#else /* !AUDIO_STREAMING_DSP */ + mixer[channel].playing_pos = 0; + mixer[channel].active = TRUE; + mixer_active_channels++; +} - if (snd_ctrl.active && !snd_ctrl.loop) - { - struct timeval delay = { 0, 0 }; - byte *sample_ptr; - long sample_size, max_sample_size = SND_BLOCKSIZE; - long sample_rate = 8000; /* standard "/dev/audio" sampling rate */ - int wait_percent = 90; /* wait 90% of the real playing time */ - int i; - - if ((audio.device_fd = OpenAudioDevice(audio.device_name)) >= 0) - { - playing_sounds = 1; +static void Mixer_PlayMusicChannel() +{ + Mixer_PlayChannel(audio.music_channel); + + if (mixer[audio.music_channel].type != MUS_TYPE_WAV) + { + // use short fade-in to prevent "plop" sound for certain music files + // (this may happen when switching on music while playing the game) + Mix_VolumeMusic(mixer[audio.music_channel].volume); + Mix_FadeInMusic(mixer[audio.music_channel].data_ptr, -1, 100); + } +} - while(playing_sounds && - select(audio.soundserver_pipe[0] + 1, - &sound_fdset, NULL, NULL, &delay) < 1) - { - FD_SET(audio.soundserver_pipe[0], &sound_fdset); +static void Mixer_StopChannel(int channel) +{ + if (!mixer[channel].active) + return; - /* get pointer and size of the actual sound sample */ - sample_ptr = snd_ctrl.data_ptr + snd_ctrl.playingpos; - sample_size = - MIN(max_sample_size, snd_ctrl.data_len - snd_ctrl.playingpos); - snd_ctrl.playingpos += sample_size; + Mix_HaltChannel(channel); - /* fill the first mixing buffer with original sample */ - memcpy(premix_first_buffer,sample_ptr,sample_size); + mixer[channel].active = FALSE; + mixer_active_channels--; +} +static void Mixer_StopMusicChannel() +{ + Mixer_StopChannel(audio.music_channel); - /* adjust volume of actual sound sample */ - if (snd_ctrl.volume != PSND_MAX_VOLUME) - for(i=0;i> PSND_MAX_VOLUME_BITS; + Mix_HaltMusic(); - for(i=0;i= snd_ctrl.data_len) - playing_sounds = 0; +static void Mixer_FadeChannel(int channel) +{ + if (!mixer[channel].active) + return; - /* finally play the sound fragment */ - write(audio.device_fd,playing_buffer,sample_size); + mixer[channel].state |= SND_CTRL_FADE; - delay.tv_sec = 0; - delay.tv_usec = ((sample_size*10*wait_percent)/(sample_rate))*1000; - } - close(audio.device_fd); - } - } + Mix_FadeOutChannel(channel, SOUND_FADING_INTERVAL); +} -#endif /* !AUDIO_STREAMING_DSP */ +static void Mixer_FadeMusicChannel() +{ + Mixer_FadeChannel(audio.music_channel); - } + Mix_FadeOutMusic(SOUND_FADING_INTERVAL); -#endif /* PLATFORM_UNIX */ + setString(¤tly_playing_music_filename, NULL); +} + +static void Mixer_UnFadeChannel(int channel) +{ + if (!mixer[channel].active || !IS_FADING(mixer[channel])) + return; + + mixer[channel].state &= ~SND_CTRL_FADE; + mixer[channel].volume = SOUND_MAX_VOLUME; + Mix_ExpireChannel(channel, -1); + Mix_Volume(channel, mixer[channel].volume); } -#if defined(PLATFORM_MSDOS) -static void sound_handler(struct SoundControl snd_ctrl) +static void Mixer_InsertSound(SoundControl snd_ctrl) { - int i; + SoundInfo *snd_info; + int i, k; + int num_sounds = getSoundListSize(); + int num_music = getMusicListSize(); - if (snd_ctrl.fade_sound) + if (IS_MUSIC(snd_ctrl)) { - if (!playing_sounds) + if (snd_ctrl.nr >= num_music) /* invalid music */ return; - for (i=0; i= num_sounds) return; - SoundServer_StopSound(snd_ctrl.nr); - } - - for (i=0; itype; + snd_ctrl.format = snd_info->format; + snd_ctrl.data_ptr = snd_info->data_ptr; + snd_ctrl.data_len = snd_info->data_len; + snd_ctrl.num_channels = snd_info->num_channels; - /* if playlist is full, remove oldest sound */ - if (playing_sounds==MAX_SOUNDS_PLAYING) + /* play music samples on a dedicated music channel */ + if (IS_MUSIC(snd_ctrl)) { - int longest=0, longest_nr=0; + Mixer_StopMusicChannel(); - for(i=0;ilongest) - { - longest=actual; - longest_nr=i; - } - } -#if defined(PLATFORM_MSDOS) - voice_set_volume(playlist[longest_nr].voice, 0); - deallocate_voice(playlist[longest_nr].voice); -#endif - playlist[longest_nr] = emptySoundControl; - playing_sounds--; + setString(¤tly_playing_music_filename, + getBaseNamePtr(snd_info->source_filename)); + + return; } - /* check if sound is already being played (and how often) */ - for(k=0,i=0;i=1 && snd_ctrl.loop) + /* reset expiration delay for already playing loop sounds */ + if (k > 0 && IS_LOOP(snd_ctrl)) { - for(i=0;i=2) + if (k >= 2) { - int longest=0, longest_nr=0; + unsigned int playing_current = Counter(); + int longest = 0, longest_nr = audio.first_sound_channel; /* look for oldest equal sound */ - for(i=0;i=longest) + actual = 1000 * playing_time / mixer[i].data_len; + + if (actual >= longest) { - longest=actual; - longest_nr=i; + longest = actual; + longest_nr = i; } } -#if defined(PLATFORM_MSDOS) - voice_set_volume(playlist[longest_nr].voice, 0); - deallocate_voice(playlist[longest_nr].voice); -#endif - playlist[longest_nr] = emptySoundControl; - playing_sounds--; + Mixer_StopChannel(longest_nr); } - /* neuen Sound in Liste packen */ - for(i=0;i longest) + { + longest = actual; + longest_nr = i; + } + } + + Mixer_StopChannel(longest_nr); + } + + /* add the new sound to the mixer */ + for (i = audio.first_sound_channel; i < audio.num_channels; i++) + { + if (!mixer[i].active) + { + mixer[i] = snd_ctrl; + Mixer_PlayChannel(i); + break; } } } -#endif /* !PLATFORM_WIN32 */ -/* -void SoundServer_FadeSound(int nr) +static void HandleSoundRequest(SoundControl snd_ctrl) { int i; - if (!playing_sounds) - return; + /* deactivate channels that have expired since the last request */ + for (i = 0; i < audio.num_channels; i++) + if (mixer[i].active && Mixer_ChannelExpired(i)) + Mixer_StopChannel(i); + + if (IS_RELOADING(snd_ctrl)) /* load new sound or music files */ + { + Mixer_StopMusicChannel(); + for (i = audio.first_sound_channel; i < audio.num_channels; i++) + Mixer_StopChannel(i); + + if (snd_ctrl.state & SND_CTRL_RELOAD_SOUNDS) + ReloadCustomSounds(); + else + ReloadCustomMusic(); + } + else if (IS_FADING(snd_ctrl)) /* fade out existing sound or music */ + { + if (IS_MUSIC(snd_ctrl)) + { + Mixer_FadeMusicChannel(); + return; + } + + for (i = audio.first_sound_channel; i < audio.num_channels; i++) + if (SAME_SOUND_NR(mixer[i], snd_ctrl) || ALL_SOUNDS(snd_ctrl)) + Mixer_FadeChannel(i); + } + else if (IS_STOPPING(snd_ctrl)) /* stop existing sound or music */ + { + if (IS_MUSIC(snd_ctrl)) + { + Mixer_StopMusicChannel(); + return; + } - for(i=0;idata_ptr = Mix_LoadWAV(filename)) == NULL) { -#if defined(PLATFORM_MSDOS) - voice_set_volume(playlist[i].voice, 0); - deallocate_voice(playlist[i].voice); -#endif - playlist[i]=emptySoundControl; + Error(ERR_WARN, "cannot read sound file '%s': %s", filename, Mix_GetError()); + free(snd_info); + return NULL; } - playing_sounds = 0; -#if !defined(PLATFORM_MSDOS) - close(audio.device_fd); -#endif + snd_info->data_len = ((Mix_Chunk *)snd_info->data_ptr)->alen; + + snd_info->type = SND_TYPE_WAV; + snd_info->source_filename = getStringCopy(filename); + + return snd_info; } -#endif /* PLATFORM_MSDOS */ -#endif /* !PLATFORM_WIN32 */ -#if defined(PLATFORM_HPUX) -static void HPUX_Audio_Control() +static void *Load_MOD(char *filename) { - struct audio_describe ainfo; - int audio_ctl; + MusicInfo *mod_info; + + if (!audio.sound_available) + return NULL; - audio_ctl = open("/dev/audioCtl", O_WRONLY | O_NDELAY); - if (audio_ctl == -1) - Error(ERR_EXIT_SOUND_SERVER, "cannot open /dev/audioCtl - no sounds"); + mod_info = checked_calloc(sizeof(MusicInfo)); - if (ioctl(audio_ctl, AUDIO_DESCRIBE, &ainfo) == -1) - Error(ERR_EXIT_SOUND_SERVER, "no audio info - no sounds"); + if ((mod_info->data_ptr = Mix_LoadMUS(filename)) == NULL) + { + Error(ERR_WARN, "cannot read music file '%s': %s", filename, Mix_GetError()); + free(mod_info); + return NULL; + } - if (ioctl(audio_ctl, AUDIO_SET_DATA_FORMAT, AUDIO_FORMAT_ULAW) == -1) - Error(ERR_EXIT_SOUND_SERVER, "ulaw audio not available - no sounds"); + mod_info->type = MUS_TYPE_MOD; + mod_info->source_filename = getStringCopy(filename); - ioctl(audio_ctl, AUDIO_SET_CHANNELS, 1); - ioctl(audio_ctl, AUDIO_SET_SAMPLE_RATE, 8000); + return mod_info; +} - close(audio_ctl); +static void *Load_WAV_or_MOD(char *filename) +{ + if (FileIsMusic(filename)) + return Load_MOD(filename); + else if (FileIsSound(filename)) + return Load_WAV(filename); + else + return NULL; } -#endif /* PLATFORM_HPUX */ - -#if defined(PLATFORM_UNIX) && !defined(AUDIO_STREAMING_DSP) - -/* these two are stolen from "sox"... :) */ - -/* -** This routine converts from linear to ulaw. -** -** Craig Reese: IDA/Supercomputing Research Center -** Joe Campbell: Department of Defense -** 29 September 1989 -** -** References: -** 1) CCITT Recommendation G.711 (very difficult to follow) -** 2) "A New Digital Technique for Implementation of Any -** Continuous PCM Companding Law," Villeret, Michel, -** et al. 1973 IEEE Int. Conf. on Communications, Vol 1, -** 1973, pg. 11.12-11.17 -** 3) MIL-STD-188-113,"Interoperability and Performance Standards -** for Analog-to_Digital Conversion Techniques," -** 17 February 1987 -** -** Input: Signed 16 bit linear sample -** Output: 8 bit ulaw sample -*/ - -#define ZEROTRAP /* turn on the trap as per the MIL-STD */ -#define BIAS 0x84 /* define the add-in bias for 16 bit samples */ -#define CLIP 32635 - -static unsigned char linear_to_ulaw(int sample) + +void LoadCustomMusic_NoConf(void) { - static int exp_lut[256] = + static boolean draw_init_text = TRUE; /* only draw at startup */ + static char *last_music_directory = NULL; + char *music_directory = getCustomMusicDirectory(); + Directory *dir; + DirectoryEntry *dir_entry; + int num_music = getMusicListSize(); + + if (!audio.sound_available) + return; + + if (last_music_directory != NULL && + strEqual(last_music_directory, music_directory)) + return; /* old and new music directory are the same */ + + if (last_music_directory != NULL) + free(last_music_directory); + last_music_directory = getStringCopy(music_directory); + + FreeAllMusic_NoConf(); + + if ((dir = openDirectory(music_directory)) == NULL) { - 0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3, - 4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4, - 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, - 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, - 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7 - }; - - int sign, exponent, mantissa; - unsigned char ulawbyte; - - /* Get the sample into sign-magnitude. */ - sign = (sample >> 8) & 0x80; /* set aside the sign */ - if (sign != 0) - sample = -sample; /* get magnitude */ - if (sample > CLIP) - sample = CLIP; /* clip the magnitude */ - - /* Convert from 16 bit linear to ulaw. */ - sample = sample + BIAS; - exponent = exp_lut[( sample >> 7 ) & 0xFF]; - mantissa = ( sample >> ( exponent + 3 ) ) & 0x0F; - ulawbyte = ~ ( sign | ( exponent << 4 ) | mantissa ); -#ifdef ZEROTRAP - if (ulawbyte == 0) - ulawbyte = 0x02; /* optional CCITT trap */ -#endif + Error(ERR_WARN, "cannot read music directory '%s'", music_directory); + + audio.music_available = FALSE; + + return; + } + + if (draw_init_text) + DrawInitText("Loading music", 120, FC_GREEN); + + while ((dir_entry = readDirectory(dir)) != NULL) /* loop all entries */ + { + char *basename = dir_entry->basename; + MusicInfo *mus_info = NULL; + boolean music_already_used = FALSE; + int i; + + /* skip all music files that are configured in music config file */ + for (i = 0; i < num_music; i++) + { + struct FileInfo *music = getMusicListEntry(i); + + if (strEqual(basename, music->filename)) + { + music_already_used = TRUE; + break; + } + } + + if (music_already_used) + continue; + + if (draw_init_text) + DrawInitText(basename, 150, FC_YELLOW); - return(ulawbyte); + if (FileIsMusic(dir_entry->filename)) + mus_info = Load_WAV_or_MOD(dir_entry->filename); + + if (mus_info) + { + num_music_noconf++; + Music_NoConf = checked_realloc(Music_NoConf, + num_music_noconf * sizeof(MusicInfo *)); + Music_NoConf[num_music_noconf - 1] = mus_info; + } + } + + closeDirectory(dir); + + draw_init_text = FALSE; } -/* -** This routine converts from ulaw to 16 bit linear. -** -** Craig Reese: IDA/Supercomputing Research Center -** 29 September 1989 -** -** References: -** 1) CCITT Recommendation G.711 (very difficult to follow) -** 2) MIL-STD-188-113,"Interoperability and Performance Standards -** for Analog-to_Digital Conversion Techniques," -** 17 February 1987 -** -** Input: 8 bit ulaw sample -** Output: signed 16 bit linear sample -*/ - -static int ulaw_to_linear(unsigned char ulawbyte) +int getSoundListSize() { - static int exp_lut[8] = { 0, 132, 396, 924, 1980, 4092, 8316, 16764 }; - int sign, exponent, mantissa, sample; - - ulawbyte = ~ ulawbyte; - sign = ( ulawbyte & 0x80 ); - exponent = ( ulawbyte >> 4 ) & 0x07; - mantissa = ulawbyte & 0x0F; - sample = exp_lut[exponent] + ( mantissa << ( exponent + 3 ) ); - if (sign != 0) - sample = -sample; - - return(sample); + return (sound_info->num_file_list_entries + + sound_info->num_dynamic_file_list_entries); } -#endif /* PLATFORM_UNIX && !AUDIO_STREAMING_DSP */ -/*** THE STUFF ABOVE IS ONLY USED BY THE SOUND SERVER CHILD PROCESS ***/ +int getMusicListSize() +{ + return (music_info->num_file_list_entries + + music_info->num_dynamic_file_list_entries); +} -/*===========================================================================*/ +struct FileInfo *getSoundListEntry(int pos) +{ + int num_list_entries = sound_info->num_file_list_entries; + int list_pos = (pos < num_list_entries ? pos : pos - num_list_entries); -/*** THE STUFF BELOW IS ONLY USED BY THE MAIN PROCESS ***/ + return (pos < num_list_entries ? &sound_info->file_list[list_pos] : + &sound_info->dynamic_file_list[list_pos]); +} -void AllocSoundArray(int num) +struct FileInfo *getMusicListEntry(int pos) { - num_sounds = num; - Sound = checked_calloc(num_sounds * sizeof(struct SampleInfo)); + int num_list_entries = music_info->num_file_list_entries; + int list_pos = (pos < num_list_entries ? pos : pos - num_list_entries); + + return (pos < num_list_entries ? &music_info->file_list[list_pos] : + &music_info->dynamic_file_list[list_pos]); } -#define CHUNK_ID_LEN 4 /* IFF style chunk id length */ -#define WAV_HEADER_SIZE 20 /* size of WAV file header */ +static SoundInfo *getSoundInfoEntryFromSoundID(int pos) +{ + int num_list_entries = sound_info->num_file_list_entries; + int list_pos = (pos < num_list_entries ? pos : pos - num_list_entries); + SoundInfo **snd_info = + (SoundInfo **)(pos < num_list_entries ? sound_info->artwork_list : + sound_info->dynamic_artwork_list); + + return snd_info[list_pos]; +} + +static MusicInfo *getMusicInfoEntryFromMusicID(int pos) +{ + int num_list_entries = music_info->num_file_list_entries; + int list_pos = (pos < num_list_entries ? pos : pos - num_list_entries); + MusicInfo **mus_info = + (MusicInfo **)(pos < num_list_entries ? music_info->artwork_list : + music_info->dynamic_artwork_list); + + return mus_info[list_pos]; +} + +char *getCurrentlyPlayingMusicFilename() +{ + return currently_playing_music_filename; +} -boolean LoadSound(int sound_nr, char *sound_name) +int getSoundListPropertyMappingSize() +{ + return sound_info->num_property_mapping_entries; +} + +int getMusicListPropertyMappingSize() +{ + return music_info->num_property_mapping_entries; +} + +struct PropertyMapping *getSoundListPropertyMapping() +{ + return sound_info->property_mapping; +} + +struct PropertyMapping *getMusicListPropertyMapping() +{ + return music_info->property_mapping; +} + +void InitSoundList(struct ConfigInfo *config_list, int num_file_list_entries, + struct ConfigTypeInfo *config_suffix_list, + char **base_prefixes, char **ext1_suffixes, + char **ext2_suffixes, char **ext3_suffixes, + char **ignore_tokens) { - struct SampleInfo *snd_info = &Sound[sound_nr]; - char filename[256]; - char *sound_ext = "wav"; -#if !defined(TARGET_SDL) -#if !defined(PLATFORM_MSDOS) - byte sound_header_buffer[WAV_HEADER_SIZE]; - char chunk[CHUNK_ID_LEN + 1]; - int chunk_length, dummy; - FILE *file; int i; -#endif -#endif - snd_info->name = sound_name; + sound_info = checked_calloc(sizeof(struct ArtworkListInfo)); + sound_info->type = ARTWORK_TYPE_SOUNDS; - sprintf(filename, "%s/%s/%s.%s", - options.ro_base_directory, SOUNDS_DIRECTORY, - snd_info->name, sound_ext); + /* ---------- initialize file list and suffix lists ---------- */ -#if defined(TARGET_SDL) + sound_info->num_file_list_entries = num_file_list_entries; + sound_info->num_dynamic_file_list_entries = 0; - snd_info->mix_chunk = Mix_LoadWAV(filename); - if (snd_info->mix_chunk == NULL) - { - Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); - return FALSE; - } + sound_info->file_list = + getFileListFromConfigList(config_list, config_suffix_list, ignore_tokens, + num_file_list_entries); + sound_info->dynamic_file_list = NULL; -#else /* !TARGET_SDL */ + sound_info->num_suffix_list_entries = 0; + for (i = 0; config_suffix_list[i].token != NULL; i++) + sound_info->num_suffix_list_entries++; -#if !defined(PLATFORM_MSDOS) + sound_info->suffix_list = config_suffix_list; - if ((file = fopen(filename, "r")) == NULL) - { - Error(ERR_WARN, "cannot open sound file '%s' - no sounds", filename); - return FALSE; - } + /* ---------- initialize base prefix and suffixes lists ---------- */ - /* read chunk "RIFF" */ - getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_LITTLE_ENDIAN); - if (strcmp(chunk, "RIFF") != 0) - { - Error(ERR_WARN, "missing 'RIFF' chunk of sound file '%s'", filename); - fclose(file); - return FALSE; - } + sound_info->num_base_prefixes = 0; + for (i = 0; base_prefixes[i] != NULL; i++) + sound_info->num_base_prefixes++; - /* read chunk "WAVE" */ - getFileChunk(file, chunk, &dummy, BYTE_ORDER_LITTLE_ENDIAN); - if (strcmp(chunk, "WAVE") != 0) - { - Error(ERR_WARN, "missing 'WAVE' chunk of sound file '%s'", filename); - fclose(file); - return FALSE; - } + sound_info->num_ext1_suffixes = 0; + for (i = 0; ext1_suffixes[i] != NULL; i++) + sound_info->num_ext1_suffixes++; - /* read header information */ - for (i=0; inum_ext2_suffixes = 0; + for (i = 0; ext2_suffixes[i] != NULL; i++) + sound_info->num_ext2_suffixes++; - /* read chunk "data" */ - getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_LITTLE_ENDIAN); - if (strcmp(chunk, "data") != 0) - { - Error(ERR_WARN, "missing 'data' chunk of sound file '%s'", filename); - fclose(file); - return FALSE; - } + sound_info->num_ext3_suffixes = 0; + for (i = 0; ext3_suffixes[i] != NULL; i++) + sound_info->num_ext3_suffixes++; - snd_info->data_len = chunk_length; - snd_info->data_ptr = checked_malloc(snd_info->data_len); + sound_info->num_ignore_tokens = 0; + for (i = 0; ignore_tokens[i] != NULL; i++) + sound_info->num_ignore_tokens++; - /* read sound data */ - if (fread(snd_info->data_ptr, 1, snd_info->data_len, file) != - snd_info->data_len) - { - Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); - fclose(file); - return FALSE; - } + sound_info->base_prefixes = base_prefixes; + sound_info->ext1_suffixes = ext1_suffixes; + sound_info->ext2_suffixes = ext2_suffixes; + sound_info->ext3_suffixes = ext3_suffixes; + sound_info->ignore_tokens = ignore_tokens; - fclose(file); + sound_info->num_property_mapping_entries = 0; - for (i=0; idata_len; i++) - snd_info->data_ptr[i] = snd_info->data_ptr[i] ^ 0x80; + sound_info->property_mapping = NULL; -#else /* PLATFORM_MSDOS */ + /* ---------- initialize artwork reference and content lists ---------- */ - snd_info->sample_ptr = load_sample(filename); - if (!snd_info->sample_ptr) - { - Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); - return FALSE; - } + sound_info->sizeof_artwork_list_entry = sizeof(SoundInfo *); -#endif /* PLATFORM_MSDOS */ -#endif /* !TARGET_SDL */ + sound_info->artwork_list = + checked_calloc(num_file_list_entries * sizeof(SoundInfo *)); + sound_info->dynamic_artwork_list = NULL; - return TRUE; + sound_info->content_list = NULL; + + /* ---------- initialize artwork loading/freeing functions ---------- */ + + sound_info->load_artwork = Load_WAV; + sound_info->free_artwork = FreeSound; +} + +void InitMusicList(struct ConfigInfo *config_list, int num_file_list_entries, + struct ConfigTypeInfo *config_suffix_list, + char **base_prefixes, char **ext1_suffixes, + char **ext2_suffixes, char **ext3_suffixes, + char **ignore_tokens) +{ + int i; + + music_info = checked_calloc(sizeof(struct ArtworkListInfo)); + music_info->type = ARTWORK_TYPE_MUSIC; + + /* ---------- initialize file list and suffix lists ---------- */ + + music_info->num_file_list_entries = num_file_list_entries; + music_info->num_dynamic_file_list_entries = 0; + + music_info->file_list = + getFileListFromConfigList(config_list, config_suffix_list, ignore_tokens, + num_file_list_entries); + music_info->dynamic_file_list = NULL; + + music_info->num_suffix_list_entries = 0; + for (i = 0; config_suffix_list[i].token != NULL; i++) + music_info->num_suffix_list_entries++; + + music_info->suffix_list = config_suffix_list; + + /* ---------- initialize base prefix and suffixes lists ---------- */ + + music_info->num_base_prefixes = 0; + for (i = 0; base_prefixes[i] != NULL; i++) + music_info->num_base_prefixes++; + + music_info->num_ext1_suffixes = 0; + for (i = 0; ext1_suffixes[i] != NULL; i++) + music_info->num_ext1_suffixes++; + + music_info->num_ext2_suffixes = 0; + for (i = 0; ext2_suffixes[i] != NULL; i++) + music_info->num_ext2_suffixes++; + + music_info->num_ext3_suffixes = 0; + for (i = 0; ext3_suffixes[i] != NULL; i++) + music_info->num_ext3_suffixes++; + + music_info->num_ignore_tokens = 0; + for (i = 0; ignore_tokens[i] != NULL; i++) + music_info->num_ignore_tokens++; + + music_info->base_prefixes = base_prefixes; + music_info->ext1_suffixes = ext1_suffixes; + music_info->ext2_suffixes = ext2_suffixes; + music_info->ext3_suffixes = ext3_suffixes; + music_info->ignore_tokens = ignore_tokens; + + music_info->num_property_mapping_entries = 0; + + music_info->property_mapping = NULL; + + /* ---------- initialize artwork reference and content lists ---------- */ + + music_info->sizeof_artwork_list_entry = sizeof(MusicInfo *); + + music_info->artwork_list = + checked_calloc(num_file_list_entries * sizeof(MusicInfo *)); + music_info->dynamic_artwork_list = NULL; + + music_info->content_list = NULL; + + /* ---------- initialize artwork loading/freeing functions ---------- */ + + music_info->load_artwork = Load_WAV_or_MOD; + music_info->free_artwork = FreeMusic; +} + +void PlayMusic(int nr) +{ + if (!audio.music_available) + return; + + PlaySoundMusic(nr); } void PlaySound(int nr) { - PlaySoundExt(nr, PSND_MAX_VOLUME, PSND_MIDDLE, PSND_NO_LOOP); + if (!setup.sound_simple) + return; + + PlaySoundExt(nr, SOUND_MAX_VOLUME, SOUND_MIDDLE, SND_CTRL_PLAY_SOUND); } -void PlaySoundStereo(int nr, int stereo) +void PlaySoundStereo(int nr, int stereo_position) { - PlaySoundExt(nr, PSND_MAX_VOLUME, stereo, PSND_NO_LOOP); + if (!setup.sound_simple) + return; + + PlaySoundExt(nr, SOUND_MAX_VOLUME, stereo_position, SND_CTRL_PLAY_SOUND); } void PlaySoundLoop(int nr) { - PlaySoundExt(nr, PSND_MAX_VOLUME, PSND_MIDDLE, PSND_LOOP); + if (!setup.sound_loops) + return; + + PlaySoundExt(nr, SOUND_MAX_VOLUME, SOUND_MIDDLE, SND_CTRL_PLAY_LOOP); +} + +void PlaySoundMusic(int nr) +{ + if (!setup.sound_music) + return; + + PlaySoundExt(nr, SOUND_MAX_VOLUME, SOUND_MIDDLE, SND_CTRL_PLAY_MUSIC); } -void PlaySoundExt(int nr, int volume, int stereo, boolean loop) +void PlaySoundExt(int nr, int volume, int stereo_position, int state) { - struct SoundControl snd_ctrl = emptySoundControl; + SoundControl snd_ctrl; - if (!audio.sound_available || !audio.sound_enabled) + if (!audio.sound_available || + !audio.sound_enabled || + audio.sound_deactivated) return; - if (volumePSND_MAX_VOLUME) - volume = PSND_MAX_VOLUME; + volume = SETUP_SOUND_VOLUME(volume, state); - if (stereoPSND_MAX_RIGHT) - stereo = PSND_MAX_RIGHT; + if (volume < SOUND_MIN_VOLUME) + volume = SOUND_MIN_VOLUME; + else if (volume > SOUND_MAX_VOLUME) + volume = SOUND_MAX_VOLUME; - snd_ctrl.nr = nr; - snd_ctrl.volume = volume; - snd_ctrl.stereo = stereo; - snd_ctrl.loop = loop; - snd_ctrl.active = TRUE; - snd_ctrl.data_ptr = Sound[nr].data_ptr; - snd_ctrl.data_len = Sound[nr].data_len; + if (stereo_position < SOUND_MAX_LEFT) + stereo_position = SOUND_MAX_LEFT; + else if (stereo_position > SOUND_MAX_RIGHT) + stereo_position = SOUND_MAX_RIGHT; -#if defined(TARGET_SDL) + clear_mem(&snd_ctrl, sizeof(SoundControl)); /* to make valgrind happy */ - Mix_Volume(-1, SDL_MIX_MAXVOLUME / 4); - Mix_VolumeMusic(SDL_MIX_MAXVOLUME / 4); + snd_ctrl.active = TRUE; + snd_ctrl.nr = nr; + snd_ctrl.volume = volume; + snd_ctrl.stereo_position = stereo_position; + snd_ctrl.state = state; - Mix_PlayChannel(-1, Sound[nr].mix_chunk, (loop ? -1 : 0)); + HandleSoundRequest(snd_ctrl); +} -#else -#if !defined(PLATFORM_MSDOS) - if (write(audio.soundserver_pipe[1], &snd_ctrl, sizeof(snd_ctrl)) < 0) - { - Error(ERR_WARN, "cannot pipe to child process - no sounds"); - audio.sound_available = audio.sound_enabled = FALSE; +void FadeMusic(void) +{ + if (!audio.music_available) return; - } -#else - sound_handler(snd_ctrl); -#endif -#endif + + StopSoundExt(-1, SND_CTRL_FADE_MUSIC); } void FadeSound(int nr) { - StopSoundExt(nr, SSND_FADE_SOUND); + StopSoundExt(nr, SND_CTRL_FADE_SOUND); } void FadeSounds() { - StopSoundExt(-1, SSND_FADE_ALL_SOUNDS); + StopSoundExt(-1, SND_CTRL_FADE_ALL); +} + +void FadeSoundsAndMusic() +{ + FadeSounds(); + FadeMusic(); +} + +void StopMusic(void) +{ + if (!audio.music_available) + return; + + StopSoundExt(-1, SND_CTRL_STOP_MUSIC); } void StopSound(int nr) { - StopSoundExt(nr, SSND_STOP_SOUND); + StopSoundExt(nr, SND_CTRL_STOP_SOUND); } void StopSounds() { - StopSoundExt(-1, SSND_STOP_ALL_SOUNDS); + StopMusic(); + StopSoundExt(-1, SND_CTRL_STOP_ALL); } -void StopSoundExt(int nr, int method) +void StopSoundExt(int nr, int state) { - struct SoundControl snd_ctrl = emptySoundControl; + SoundControl snd_ctrl; if (!audio.sound_available) return; - if (SSND_FADING(method)) - snd_ctrl.fade_sound = TRUE; + clear_mem(&snd_ctrl, sizeof(SoundControl)); /* to make valgrind happy */ - if (SSND_ALL(method)) - snd_ctrl.stop_all_sounds = TRUE; - else - { - snd_ctrl.nr = nr; - snd_ctrl.stop_sound = TRUE; - } + snd_ctrl.active = FALSE; + snd_ctrl.nr = nr; + snd_ctrl.state = state; -#if defined(TARGET_SDL) + HandleSoundRequest(snd_ctrl); +} - if (SSND_FADING(method)) - { - Mix_FadeOutChannel(-1, 1000); - Mix_FadeOutMusic(1000); - } - else +void ExpireSoundLoops(boolean active) +{ + SoundControl snd_ctrl; + + if (!audio.sound_available) + return; + + clear_mem(&snd_ctrl, sizeof(SoundControl)); /* to make valgrind happy */ + + snd_ctrl.active = active; + snd_ctrl.state = SND_CTRL_EXPIRE_LOOPS; + + HandleSoundRequest(snd_ctrl); +} + +static void ReloadCustomSounds() +{ + LoadArtworkConfig(sound_info); + ReloadCustomArtworkList(sound_info); +} + +static void ReloadCustomMusic() +{ + LoadArtworkConfig(music_info); + ReloadCustomArtworkList(music_info); + + /* load all music files from directory not defined in "musicinfo.conf" */ + LoadCustomMusic_NoConf(); +} + +void InitReloadCustomSounds(char *set_identifier) +{ + if (!audio.sound_available) + return; + + ReloadCustomSounds(); +} + +void InitReloadCustomMusic(char *set_identifier) +{ + if (!audio.music_available) + return; + + ReloadCustomMusic(); +} + +void FreeSound(void *ptr) +{ + SoundInfo *sound = (SoundInfo *)ptr; + + if (sound == NULL) + return; + + if (sound->data_ptr) { - Mix_HaltChannel(-1); - Mix_HaltMusic(); + Mix_FreeChunk(sound->data_ptr); } -#else -#if !defined(PLATFORM_MSDOS) - if (write(audio.soundserver_pipe[1], &snd_ctrl, sizeof(snd_ctrl)) < 0) - { - Error(ERR_WARN, "cannot pipe to child process - no sounds"); - audio.sound_available = audio.sound_enabled = FALSE; + checked_free(sound->source_filename); + + free(sound); +} + +void FreeMusic(void *ptr) +{ + MusicInfo *music = (MusicInfo *)ptr; + + if (music == NULL) return; + + if (music->data_ptr) + { + if (music->type == MUS_TYPE_MOD) + Mix_FreeMusic(music->data_ptr); + else + Mix_FreeChunk(music->data_ptr); } -#else - sound_handler(snd_ctrl); -#endif -#endif + + free(music); } -void FreeSounds(int num_sounds) +static void FreeAllMusic_NoConf() { int i; - if (!audio.sound_available) + if (Music_NoConf == NULL) return; - for(i=0; i