X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsound.c;h=30416a9066d055a24385b063cd459cac731cde24;hb=b3affbb697be5cd5cfe64b757fa018ec4441d76c;hp=744c4bd8900c0aaa0947b0a1ac64d42126f494ca;hpb=1101077a226b09854650662759bf12caf7c84f8d;p=rocksndiamonds.git diff --git a/src/libgame/sound.c b/src/libgame/sound.c index 744c4bd8..30416a90 100644 --- a/src/libgame/sound.c +++ b/src/libgame/sound.c @@ -40,33 +40,28 @@ static struct SoundControl emptySoundControl = }; #if defined(PLATFORM_UNIX) -static int stereo_volume[PSND_MAX_LEFT2RIGHT+1]; -static char premix_first_buffer[SND_BLOCKSIZE]; +static int stereo_volume[PSND_MAX_LEFT2RIGHT + 1]; +static short 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]; +static short premix_left_buffer[SND_BLOCKSIZE]; +static short premix_right_buffer[SND_BLOCKSIZE]; +static long premix_last_buffer[SND_BLOCKSIZE]; #endif -static unsigned char playing_buffer[SND_BLOCKSIZE]; +static byte playing_buffer[SND_BLOCKSIZE]; #endif /* forward declaration of internal functions */ #if defined(AUDIO_STREAMING_DSP) static void SoundServer_InsertNewSound(struct SoundControl); +static boolean InitAudioDevice_DSP(int, int); +#elif defined(PLATFORM_HPUX) +static boolean InitAudioDevice_HPUX(); #elif defined(PLATFORM_UNIX) static unsigned char linear_to_ulaw(int); static int ulaw_to_linear(unsigned char); -#endif - -#if defined(AUDIO_LINUX_IOCTL) -static boolean InitAudioDevice_Linux(); -#elif defined(PLATFORM_NETBSD) -static boolean InitAudioDevice_NetBSD(); -#elif defined(PLATFORM_HPUX) -static boolean InitAudioDevice_HPUX(); #elif defined(PLATFORM_MSDOS) static void SoundServer_InsertNewSound(struct SoundControl); -static void SoundServer_StopSound(int); +static void SoundServer_StopSound(struct SoundControl); static void SoundServer_StopAllSounds(); #endif @@ -227,16 +222,65 @@ void SoundServer(void) if (snd_ctrl.reload_sounds || snd_ctrl.reload_music) { - for(i=0; ifullpath != NULL) + free(leveldir_current->fullpath); + if (ti->basepath != NULL) + free(ti->basepath); + if (ti->fullpath != NULL) + free(ti->fullpath); + + if (read(audio.soundserver_pipe[0], set_name, + snd_ctrl.data_len) != snd_ctrl.data_len || + read(audio.soundserver_pipe[0], leveldir_current, + sizeof(TreeInfo)) != sizeof(TreeInfo) || + read(audio.soundserver_pipe[0], ti, + sizeof(TreeInfo)) != sizeof(TreeInfo) || + read(audio.soundserver_pipe[0], &str_size1, + sizeof(unsigned long)) != sizeof(unsigned long) || + read(audio.soundserver_pipe[0], &str_size2, + sizeof(unsigned long)) != sizeof(unsigned long) || + read(audio.soundserver_pipe[0], &str_size3, + sizeof(unsigned long)) != sizeof(unsigned long)) + Error(ERR_EXIT_SOUND_SERVER, "broken pipe -- no sounds"); + + leveldir_current->fullpath = checked_calloc(str_size1); + ti->basepath = checked_calloc(str_size2); + ti->fullpath = checked_calloc(str_size3); + + if (read(audio.soundserver_pipe[0], leveldir_current->fullpath, + str_size1) != str_size1 || + read(audio.soundserver_pipe[0], ti->basepath, + str_size2) != str_size2 || + read(audio.soundserver_pipe[0], ti->fullpath, + str_size3) != str_size3) + Error(ERR_EXIT_SOUND_SERVER, "broken pipe -- no sounds"); + + InitPlaylist(); close(audio.device_fd); if (snd_ctrl.reload_sounds) - ReloadSounds(); + { + artwork.sounds_set_current = set_name; + audio.func_reload_sounds(); + } else - ReloadMusic(); + { + artwork.music_set_current = set_name; + audio.func_reload_music(); + } + + free(set_name); continue; } @@ -293,40 +337,37 @@ void SoundServer(void) if (playing_sounds || snd_ctrl.active) { - struct timeval delay = { 0, 0 }; - byte *sample_ptr; - long sample_size; - static long max_sample_size = 0; - static long fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE; - int sample_rate = DEFAULT_AUDIO_SAMPLE_RATE; - static boolean stereo = TRUE; - if (playing_sounds || (audio.device_fd = OpenAudioDevice(audio.device_name)) >= 0) { + struct timeval delay = { 0, 0 }; + static int fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE; + int sample_rate = DEFAULT_AUDIO_SAMPLE_RATE; + static boolean stereo = TRUE; + if (!playing_sounds) /* we just opened the audio device */ - { -#if defined(AUDIO_LINUX_IOCTL) - stereo = InitAudioDevice_Linux(fragment_size, sample_rate); -#elif defined(PLATFORM_NETBSD) - stereo = InitAudioDevice_NetBSD(fragment_size, sample_rate); -#endif - max_sample_size = fragment_size / (stereo ? 2 : 1); - } + stereo = InitAudioDevice_DSP(fragment_size, sample_rate); 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) + while (playing_sounds && + select(audio.soundserver_pipe[0] + 1, + &sound_fdset, NULL, NULL, &delay) < 1) { + short *sample_ptr; + int sample_size; + int max_sample_size; + FD_SET(audio.soundserver_pipe[0], &sound_fdset); + max_sample_size = fragment_size / ((stereo ? 2 : 1) * sizeof(short)); + /* first clear the last premixing buffer */ - memset(premix_last_buffer, 0, fragment_size * sizeof(int)); + memset(premix_last_buffer, 0, + max_sample_size * (stereo ? 2 : 1) * sizeof(long)); - for(i=0;i> 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]; + 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]) + (right_volume * 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]; + + premix_last_buffer[2 * j + 0] += premix_left_buffer[j]; + premix_last_buffer[2 * j + 1] += premix_right_buffer[j]; } } else { - for(j=0;j255) - playing_buffer[i] = 255; - else - playing_buffer[i] = (premix_last_buffer[i]>>1)^0x80; + /* cut off at 17 bit value */ + if (premix_last_buffer[i] < -65535) + premix_last_buffer[i] = -65535; + else if (premix_last_buffer[i] > 65535) + premix_last_buffer[i] = 65535; + + /* shift to 16 bit value */ + premix_last_buffer[i] >>= 1; + + /* fill playing buffer for "signed 16 bit little endian" audio + format (independently of endianess of "short" integer type) */ + playing_buffer[2 * i + 0] = premix_last_buffer[i] & 0xff; + playing_buffer[2 * i + 1] = premix_last_buffer[i] >> 8; } /* finally play the sound fragment */ @@ -442,9 +493,9 @@ void SoundServer(void) { playing_sounds = 1; - while(playing_sounds && - select(audio.soundserver_pipe[0] + 1, - &sound_fdset, NULL, NULL, &delay) < 1) + while (playing_sounds && + select(audio.soundserver_pipe[0] + 1, + &sound_fdset, NULL, NULL, &delay) < 1) { FD_SET(audio.soundserver_pipe[0], &sound_fdset); @@ -652,7 +703,7 @@ static void SoundServer_InsertNewSound(struct SoundControl snd_ctrl) playing_sounds++; #if defined(PLATFORM_MSDOS) - playlist[i].voice = allocate_voice(playlist[i].data_ptr); + playlist[i].voice = allocate_voice((SAMPLE *)playlist[i].data_ptr); if (snd_ctrl.loop) voice_set_playmode(playlist[i].voice, PLAYMODE_LOOP); @@ -738,16 +789,17 @@ static void SoundServer_StopAllSounds() /* ------------------------------------------------------------------------- */ #if defined(AUDIO_LINUX_IOCTL) -static boolean InitAudioDevice_Linux(long fragment_size, int sample_rate) +static boolean InitAudioDevice_Linux(int fragment_size, int sample_rate) { /* "ioctl()" expects pointer to 'int' value for stereo flag (boolean is defined as 'char', which will not work here) */ + unsigned int fragment_spec = 0; + unsigned int audio_format = 0; + int fragment_size_query; int stereo = TRUE; - unsigned long fragment_spec = 0; /* determine logarithm (log2) of the fragment size */ - for (fragment_spec=0; (1 << fragment_spec) < fragment_size; - fragment_spec++); + for (fragment_spec=0; (1 << fragment_spec) < fragment_size; fragment_spec++); /* use two fragments (play one fragment, prepare the other); one fragment would result in interrupted audio output, more @@ -763,6 +815,11 @@ static boolean InitAudioDevice_Linux(long fragment_size, int sample_rate) Error(ERR_EXIT_SOUND_SERVER, "cannot set fragment size of /dev/dsp -- no sounds"); + audio_format = AFMT_S16_LE; + if (ioctl(audio.device_fd, SNDCTL_DSP_SETFMT, &audio_format) < 0) + Error(ERR_EXIT_SOUND_SERVER, + "cannot set audio format of /dev/dsp -- no sounds"); + /* try if we can use stereo sound */ if (ioctl(audio.device_fd, SNDCTL_DSP_STEREO, &stereo) < 0) { @@ -783,16 +840,19 @@ static boolean InitAudioDevice_Linux(long fragment_size, int sample_rate) "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) + if (ioctl(audio.device_fd, SNDCTL_DSP_GETBLKSIZE, &fragment_size_query) < 0) Error(ERR_EXIT_SOUND_SERVER, "cannot get fragment size of /dev/dsp -- no sounds"); + if (fragment_size_query != fragment_size) + Error(ERR_EXIT_SOUND_SERVER, + "cannot set fragment size of /dev/dsp -- no sounds"); return (boolean)stereo; } #endif /* AUDIO_LINUX_IOCTL */ #if defined(PLATFORM_NETBSD) -static boolean InitAudioDevice_NetBSD(long fragment_size, int sample_rate) +static boolean InitAudioDevice_NetBSD(int fragment_size, int sample_rate) { audio_info_t a_info; boolean stereo = TRUE; @@ -844,6 +904,19 @@ static boolean InitAudioDevice_HPUX() } #endif /* PLATFORM_HPUX */ +#if defined(PLATFORM_UNIX) +static boolean InitAudioDevice_DSP(int fragment_size, int sample_rate) +{ +#if defined(AUDIO_LINUX_IOCTL) + return InitAudioDevice_Linux(fragment_size, sample_rate); +#elif defined(PLATFORM_NETBSD) + return InitAudioDevice_NetBSD(fragment_size, sample_rate); +#elif defined(PLATFORM_HPUX) + return InitAudioDevice_HPUX(); +#endif +} +#endif /* PLATFORM_UNIX */ + #if defined(PLATFORM_UNIX) && !defined(AUDIO_STREAMING_DSP) /* these two are stolen from "sox"... :) */ @@ -956,16 +1029,6 @@ static int ulaw_to_linear(unsigned char ulawbyte) /* ========================================================================= */ /* THE STUFF BELOW IS ONLY USED BY THE MAIN PROCESS */ -void ReloadSounds() -{ - printf("reloading sounds ...\n"); -} - -void ReloadMusic() -{ - printf("reloading music ...\n"); -} - #define CHUNK_ID_LEN 4 /* IFF style chunk id length */ #define WAV_HEADER_SIZE 16 /* size of WAV file header */ @@ -976,6 +1039,7 @@ static SoundInfo *Load_WAV(char *filename) byte sound_header_buffer[WAV_HEADER_SIZE]; char chunk_name[CHUNK_ID_LEN + 1]; int chunk_size; + short *data_ptr; FILE *file; int i; #endif @@ -1076,8 +1140,15 @@ static SoundInfo *Load_WAV(char *filename) return NULL; } + /* convert unsigned 8 bit sample data to signed 16 bit sample data */ + + data_ptr = checked_malloc(snd_info->data_len * sizeof(short)); + for (i=0; idata_len; i++) - ((byte *)snd_info->data_ptr)[i] = ((byte *)snd_info->data_ptr)[i] ^ 0x80; + data_ptr[i] = ((short)(((byte *)snd_info->data_ptr)[i] ^ 0x80)) << 8; + + free(snd_info->data_ptr); + snd_info->data_ptr = data_ptr; #endif /* PLATFORM_UNIX */ @@ -1165,9 +1236,9 @@ void LoadCustomMusic(void) char *filename = getPath2(music_directory, basename); MusicInfo *mus_info = NULL; - if (FileIsSound(filename)) + if (FileIsSound(basename)) mus_info = Load_WAV(filename); - else if (FileIsMusic(filename)) + else if (FileIsMusic(basename)) mus_info = Load_MOD(filename); free(filename); @@ -1194,6 +1265,8 @@ void PlayMusic(int nr) #if defined(TARGET_SDL) + nr = nr % num_music; + if (Music[nr]->type == MUS_TYPE_MOD) { Mix_PlayMusic(Music[nr]->data_ptr, -1); @@ -1372,8 +1445,8 @@ void StopSoundExt(int nr, int method) Mix_HaltMusic(); } -#else -#if !defined(PLATFORM_MSDOS) +#elif !defined(PLATFORM_MSDOS) + if (audio.soundserver_pid == 0) /* we are child process */ return; @@ -1386,59 +1459,74 @@ void StopSoundExt(int nr, int method) #else sound_handler(snd_ctrl); #endif -#endif } -void InitReloadSounds(char *set_name) +static void InitReloadSoundsOrMusic(char *set_name, int type) { +#if defined(PLATFORM_UNIX) && !defined(TARGET_SDL) struct SoundControl snd_ctrl = emptySoundControl; + TreeInfo *ti = + (type == SND_RELOAD_SOUNDS ? artwork.snd_current : artwork.mus_current); + unsigned long str_size1 = strlen(leveldir_current->fullpath) + 1; + unsigned long str_size2 = strlen(ti->basepath) + 1; + unsigned long str_size3 = strlen(ti->fullpath) + 1; +#endif if (!audio.sound_available) return; - snd_ctrl.reload_sounds = TRUE; - -#if defined(TARGET_SDL) - ReloadSounds(); +#if defined(TARGET_SDL) || defined(TARGET_ALLEGRO) + if (type == SND_RELOAD_SOUNDS) + audio.func_reload_sounds(); + else + audio.func_reload_music(); #elif defined(PLATFORM_UNIX) if (audio.soundserver_pid == 0) /* we are child process */ return; - if (write(audio.soundserver_pipe[1], &snd_ctrl, sizeof(snd_ctrl)) < 0) + if (leveldir_current == NULL) /* should never happen */ + Error(ERR_EXIT, "leveldir_current == NULL"); + + snd_ctrl.reload_sounds = (type == SND_RELOAD_SOUNDS); + snd_ctrl.reload_music = (type == SND_RELOAD_MUSIC); + snd_ctrl.data_len = strlen(set_name) + 1; + + if (write(audio.soundserver_pipe[1], &snd_ctrl, + sizeof(snd_ctrl)) < 0 || + write(audio.soundserver_pipe[1], set_name, + snd_ctrl.data_len) < 0 || + write(audio.soundserver_pipe[1], leveldir_current, + sizeof(TreeInfo)) < 0 || + write(audio.soundserver_pipe[1], ti, + sizeof(TreeInfo)) < 0 || + write(audio.soundserver_pipe[1], &str_size1, + sizeof(unsigned long)) < 0 || + write(audio.soundserver_pipe[1], &str_size2, + sizeof(unsigned long)) < 0 || + write(audio.soundserver_pipe[1], &str_size3, + sizeof(unsigned long)) < 0 || + write(audio.soundserver_pipe[1], leveldir_current->fullpath, + str_size1) < 0 || + write(audio.soundserver_pipe[1], ti->basepath, + str_size2) < 0 || + write(audio.soundserver_pipe[1], ti->fullpath, + str_size3) < 0) { Error(ERR_WARN, "cannot pipe to child process -- no sounds"); audio.sound_available = audio.sound_enabled = FALSE; return; } -#elif defined(PLATFORM_MSDOS) - sound_handler(snd_ctrl); #endif } -void InitReloadMusic(char *set_name) +void InitReloadSounds(char *set_name) { - struct SoundControl snd_ctrl = emptySoundControl; - - if (!audio.sound_available) - return; - - snd_ctrl.reload_music = TRUE; - -#if defined(TARGET_SDL) - ReloadMusic(); -#elif defined(PLATFORM_UNIX) - if (audio.soundserver_pid == 0) /* we are child process */ - return; + InitReloadSoundsOrMusic(set_name, SND_RELOAD_SOUNDS); +} - 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; - return; - } -#elif defined(PLATFORM_MSDOS) - sound_handler(snd_ctrl); -#endif +void InitReloadMusic(char *set_name) +{ + InitReloadSoundsOrMusic(set_name, SND_RELOAD_MUSIC); } void FreeSound(SoundInfo *sound) @@ -1493,6 +1581,9 @@ void FreeAllSounds() FreeSound(Sound[i]); free(Sound); + + Sound = NULL; + num_sounds = 0; } void FreeAllMusic() @@ -1506,6 +1597,9 @@ void FreeAllMusic() FreeMusic(Music[i]); free(Music); + + Music = NULL; + num_music = 0; } /* THE STUFF ABOVE IS ONLY USED BY THE MAIN PROCESS */