-/***********************************************************
-* Artsoft Retro-Game Library *
-*----------------------------------------------------------*
-* (c) 1994-2001 Artsoft Entertainment *
-* Holger Schemel *
-* Detmolder Strasse 189 *
-* 33604 Bielefeld *
-* Germany *
-* e-mail: info@artsoft.org *
-*----------------------------------------------------------*
-* sound.c *
-***********************************************************/
-
-#include <string.h>
+// ============================================================================
+// Artsoft Retro-Game Library
+// ----------------------------------------------------------------------------
+// (c) 1995-2014 by Artsoft Entertainment
+// Holger Schemel
+// info@artsoft.org
+// https://www.artsoft.org/
+// ----------------------------------------------------------------------------
+// sound.c
+// ============================================================================
+
+#include <sys/types.h>
#include <sys/time.h>
+#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <signal.h>
+#include <math.h>
+#include <errno.h>
+#include "platform.h"
#include "system.h"
#include "sound.h"
#include "misc.h"
#include "setup.h"
+#include "text.h"
-#define IS_PARENT_PROCESS(pid) ((pid) > 0)
-#define IS_CHILD_PROCESS(pid) ((pid) == 0)
-
-struct ListNode
-{
- char *key;
- void *content;
- struct ListNode *next;
-};
-typedef struct ListNode ListNode;
+// expiration time (in milliseconds) for sound loops
+#define SOUND_LOOP_EXPIRATION_TIME 200
-static ListNode *newListNode(void);
-static void addNodeToList(ListNode **, char *, void *);
-static void deleteNodeFromList(ListNode **, char *, void (*function)(void *));
-static ListNode *getNodeFromKey(ListNode *, char *);
-static int getNumNodes(ListNode *);
+// one second fading interval == 1000 ticks (milliseconds)
+#define SOUND_FADING_INTERVAL 1000
+#define SND_TYPE_NONE 0
+#define SND_TYPE_WAV 1
-static struct SoundEffectInfo *sound_effect;
-static ListNode *SoundFileList = NULL;
-static SoundInfo **Sound = NULL;
-static MusicInfo **Music = NULL;
-static int num_sounds = 0, num_music = 0;
+#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"
-/* ========================================================================= */
-/* THE STUFF BELOW IS ONLY USED BY THE SOUND SERVER CHILD PROCESS */
+#define SOUND_VOLUME_LEFT(x) (stereo_volume[x])
+#define SOUND_VOLUME_RIGHT(x) (stereo_volume[SOUND_MAX_LEFT2RIGHT-x])
-static struct AudioFormatInfo afmt;
-static struct SoundControl mixer[NUM_MIXER_CHANNELS];
-static int mixer_active_channels = 0;
+#define SAME_SOUND_NR(x, y) ((x).nr == (y).nr)
+#define SAME_SOUND_DATA(x, y) ((x).data_ptr == (y).data_ptr)
-/* forward declaration of internal functions */
-static void InitAudioDevice(struct AudioFormatInfo *);
-static void Mixer_Main(void);
+#define SOUND_VOLUME_FROM_PERCENT(v, p) ((p) < 0 ? SOUND_MIN_VOLUME : \
+ (p) > 100 ? (v) : \
+ (p) * (v) / 100)
-#if defined(PLATFORM_UNIX) && !defined(AUDIO_STREAMING_DSP)
-static unsigned char linear_to_ulaw(int);
-static int ulaw_to_linear(unsigned char);
-#endif
+#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 void ReloadCustomSounds();
-static void ReloadCustomMusic();
-static void FreeSound(void *);
+#define SETUP_SOUND_VOLUME(v, s) ((s) & SND_CTRL_MUSIC ? \
+ SOUND_VOLUME_MUSIC(v) : \
+ (s) & SND_CTRL_LOOP ? \
+ SOUND_VOLUME_LOOPS(v) : \
+ SOUND_VOLUME_SIMPLE(v))
-#if defined(PLATFORM_UNIX)
-static int OpenAudioDevice(char *audio_device_name)
+struct AudioFormatInfo
{
- int audio_device_fd;
-
- /* check if desired audio device is accessible */
- if (access(audio_device_name, W_OK) != 0)
- return -1;
-
- /* try to open audio device in non-blocking mode */
- if ((audio_device_fd = open(audio_device_name, O_WRONLY | O_NONBLOCK)) < 0)
- return audio_device_fd;
-
- /* re-open audio device in blocking mode */
- close(audio_device_fd);
- audio_device_fd = open(audio_device_name, O_WRONLY);
-
- return audio_device_fd;
-}
+ 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
+};
-static void CloseAudioDevice(int *audio_device_fd)
+struct SampleInfo
{
- if (*audio_device_fd == 0)
- return;
+ char *source_filename;
+ int num_references;
- close(*audio_device_fd);
- *audio_device_fd = -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 SampleInfo SoundInfo;
+typedef struct SampleInfo MusicInfo;
-static boolean TestAudioDevices(void)
+struct SoundControl
{
- static char *audio_device_name[] =
- {
- DEVICENAME_DSP,
- DEVICENAME_AUDIO
- };
- int audio_device_fd = -1;
- int i;
+ boolean active;
- /* look for available audio devices, starting with preferred ones */
- for (i=0; i<sizeof(audio_device_name)/sizeof(char *); i++)
- if ((audio_device_fd = OpenAudioDevice(audio_device_name[i])) >= 0)
- break;
+ int nr;
+ int volume;
+ int stereo_position;
- if (audio_device_fd < 0)
- {
- Error(ERR_WARN, "cannot open audio device -- no sound");
- return FALSE;
- }
+ int state;
- close(audio_device_fd);
+ unsigned int playing_starttime;
+ unsigned int playing_pos;
- audio.device_name = audio_device_name[i];
+ 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;
- return TRUE;
-}
+static struct ArtworkListInfo *sound_info = NULL;
+static struct ArtworkListInfo *music_info = NULL;
-#if !defined(TARGET_SDL)
-static boolean ForkAudioProcess(void)
-{
- if (pipe(audio.mixer_pipe) < 0)
- {
- Error(ERR_WARN, "cannot create pipe -- no sounds");
- return FALSE;
- }
+static MusicInfo **Music_NoConf = NULL;
- if ((audio.mixer_pid = fork()) < 0)
- {
- Error(ERR_WARN, "cannot create sound server process -- no sounds");
- return FALSE;
- }
+static int num_music_noconf = 0;
+static int stereo_volume[SOUND_MAX_LEFT2RIGHT + 1];
- if (IS_CHILD_PROCESS(audio.mixer_pid))
- Mixer_Main(); /* this function never returns */
- else
- close(audio.mixer_pipe[0]); /* no reading from pipe needed */
+static char *currently_playing_music_filename = NULL;
- return TRUE;
-}
-#endif
-void UnixOpenAudio(void)
-{
- if (!TestAudioDevices())
- return;
+// ============================================================================
+// THE STUFF BELOW IS ONLY USED BY THE SOUND SERVER CHILD PROCESS
- audio.sound_available = TRUE;
- audio.sound_enabled = TRUE;
+static struct SoundControl mixer[NUM_MIXER_CHANNELS];
+static int mixer_active_channels = 0;
+static boolean expire_loop_sounds = FALSE;
-#if defined(AUDIO_STREAMING_DSP)
- audio.music_available = TRUE;
- audio.loops_available = TRUE;
-#endif
+static void ReloadCustomSounds(void);
+static void ReloadCustomMusic(void);
+static void FreeSound(void *);
+static void FreeMusic(void *);
+static void FreeAllMusic_NoConf(void);
+static void Mixer_StopMusicChannel(void);
- audio.num_channels = NUM_MIXER_CHANNELS;
- audio.music_channel = MUSIC_CHANNEL;
- audio.first_sound_channel = FIRST_SOUND_CHANNEL;
-}
+static SoundInfo *getSoundInfoEntryFromSoundID(int);
+static MusicInfo *getMusicInfoEntryFromMusicID(int);
-void UnixCloseAudio(void)
-{
- if (audio.device_fd)
- close(audio.device_fd);
- if (IS_PARENT_PROCESS(audio.mixer_pid))
- kill(audio.mixer_pid, SIGTERM);
-}
+// ----------------------------------------------------------------------------
+// mixer functions
+// ----------------------------------------------------------------------------
-static void SendSoundControlToMixerProcess(SoundControl *snd_ctrl)
+void Mixer_InitChannels(void)
{
- if (IS_CHILD_PROCESS(audio.mixer_pid))
- return;
+ int i;
- if (write(audio.mixer_pipe[1], snd_ctrl, sizeof(SoundControl)) < 0)
- {
- Error(ERR_WARN, "cannot pipe to child process -- no sounds");
- audio.sound_available = audio.sound_enabled = FALSE;
- return;
- }
+ for (i = 0; i < audio.num_channels; i++)
+ mixer[i].active = FALSE;
+ mixer_active_channels = 0;
}
-static void ReadSoundControlFromMainProcess(SoundControl *snd_ctrl)
+static void Mixer_ResetChannelExpiration(int channel)
{
- if (IS_PARENT_PROCESS(audio.mixer_pid))
- return;
+ mixer[channel].playing_starttime = Counter();
- if (read(audio.mixer_pipe[0], snd_ctrl, sizeof(SoundControl))
- != sizeof(SoundControl))
- Error(ERR_EXIT_SOUND_SERVER, "broken pipe -- no sounds");
+ if (expire_loop_sounds &&
+ IS_LOOP(mixer[channel]) && !IS_MUSIC(mixer[channel]))
+ Mix_ExpireChannel(channel, SOUND_LOOP_EXPIRATION_TIME);
}
-static void WriteReloadInfoToPipe(char *set_name, int type)
+static boolean Mixer_ChannelExpired(int channel)
{
- SoundControl snd_ctrl;
- TreeInfo *ti = (type == SND_CTRL_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;
+ if (!mixer[channel].active)
+ return TRUE;
- if (IS_CHILD_PROCESS(audio.mixer_pid))
- return;
+ if (expire_loop_sounds &&
+ IS_LOOP(mixer[channel]) && !IS_MUSIC(mixer[channel]) &&
+ DelayReachedExt2(&mixer[channel].playing_starttime,
+ SOUND_LOOP_EXPIRATION_TIME, Counter()))
+ return TRUE;
- if (leveldir_current == NULL) /* should never happen */
- Error(ERR_EXIT, "leveldir_current == NULL");
+ if (!Mix_Playing(channel))
+ return TRUE;
- snd_ctrl.active = FALSE;
- snd_ctrl.state = type;
- snd_ctrl.data_len = strlen(set_name) + 1;
-
- if (write(audio.mixer_pipe[1], &snd_ctrl,
- sizeof(snd_ctrl)) < 0 ||
- write(audio.mixer_pipe[1], set_name,
- snd_ctrl.data_len) < 0 ||
- write(audio.mixer_pipe[1], leveldir_current,
- sizeof(TreeInfo)) < 0 ||
- write(audio.mixer_pipe[1], ti,
- sizeof(TreeInfo)) < 0 ||
- write(audio.mixer_pipe[1], &str_size1,
- sizeof(unsigned long)) < 0 ||
- write(audio.mixer_pipe[1], &str_size2,
- sizeof(unsigned long)) < 0 ||
- write(audio.mixer_pipe[1], &str_size3,
- sizeof(unsigned long)) < 0 ||
- write(audio.mixer_pipe[1], leveldir_current->fullpath,
- str_size1) < 0 ||
- write(audio.mixer_pipe[1], ti->basepath,
- str_size2) < 0 ||
- write(audio.mixer_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;
- }
+ return FALSE;
}
-static void ReadReloadInfoFromPipe(SoundControl *snd_ctrl)
-{
- TreeInfo **ti_ptr = ((snd_ctrl->state & SND_CTRL_RELOAD_SOUNDS) ?
- &artwork.snd_current : &artwork.mus_current);
- TreeInfo *ti = *ti_ptr;
- unsigned long str_size1, str_size2, str_size3;
- static char *set_name = NULL;
-
- if (set_name)
- free(set_name);
-
- set_name = checked_malloc(snd_ctrl->data_len);
-
- if (leveldir_current == NULL)
- leveldir_current = checked_calloc(sizeof(TreeInfo));
- if (ti == NULL)
- ti = *ti_ptr = checked_calloc(sizeof(TreeInfo));
- if (leveldir_current->fullpath != NULL)
- free(leveldir_current->fullpath);
- if (ti->basepath != NULL)
- free(ti->basepath);
- if (ti->fullpath != NULL)
- free(ti->fullpath);
-
- if (read(audio.mixer_pipe[0], set_name,
- snd_ctrl->data_len) != snd_ctrl->data_len ||
- read(audio.mixer_pipe[0], leveldir_current,
- sizeof(TreeInfo)) != sizeof(TreeInfo) ||
- read(audio.mixer_pipe[0], ti,
- sizeof(TreeInfo)) != sizeof(TreeInfo) ||
- read(audio.mixer_pipe[0], &str_size1,
- sizeof(unsigned long)) != sizeof(unsigned long) ||
- read(audio.mixer_pipe[0], &str_size2,
- sizeof(unsigned long)) != sizeof(unsigned long) ||
- read(audio.mixer_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.mixer_pipe[0], leveldir_current->fullpath,
- str_size1) != str_size1 ||
- read(audio.mixer_pipe[0], ti->basepath,
- str_size2) != str_size2 ||
- read(audio.mixer_pipe[0], ti->fullpath,
- str_size3) != str_size3)
- Error(ERR_EXIT_SOUND_SERVER, "broken pipe -- no sounds");
-
- if (snd_ctrl->state & SND_CTRL_RELOAD_SOUNDS)
- artwork.sounds_set_current = set_name;
- else
- artwork.music_set_current = set_name;
+static boolean Mixer_AllocateChannel(int channel)
+{
+ return TRUE;
}
-#endif /* PLATFORM_UNIX */
-void Mixer_InitChannels()
+static void Mixer_SetChannelProperties(int channel)
{
- int i;
+ Mix_Volume(channel, mixer[channel].volume);
+ Mix_SetPanning(channel,
+ SOUND_VOLUME_LEFT(mixer[channel].stereo_position),
+ SOUND_VOLUME_RIGHT(mixer[channel].stereo_position));
+}
- for(i=0; i<audio.num_channels; i++)
- mixer[i].active = FALSE;
- mixer_active_channels = 0;
+static void Mixer_StartChannel(int channel)
+{
+ Mix_PlayChannel(channel, mixer[channel].data_ptr,
+ IS_LOOP(mixer[channel]) ? -1 : 0);
}
static void Mixer_PlayChannel(int channel)
{
- /* start with inactive channel in case something goes wrong */
+ // start with inactive channel in case something goes wrong
mixer[channel].active = FALSE;
- if (IS_MUSIC_MODULE(mixer[channel]))
+ if (mixer[channel].type != MUS_TYPE_WAV)
return;
- mixer[channel].playingpos = 0;
- mixer[channel].playingtime = 0;
-
-#if defined(TARGET_SDL)
- Mix_Volume(channel, SOUND_MAX_VOLUME);
- Mix_PlayChannel(channel, mixer[channel].data_ptr,
- IS_LOOP(mixer[channel]) ? -1 : 0);
-#elif defined(PLATFORM_MSDOS)
- mixer[channel].voice = allocate_voice((SAMPLE *)mixer[channel].data_ptr);
- if (mixer[channel].voice < 0)
+ if (!Mixer_AllocateChannel(channel))
return;
- if (IS_LOOP(mixer[channel]))
- voice_set_playmode(mixer[channel].voice, PLAYMODE_LOOP);
+ Mixer_SetChannelProperties(channel);
+ Mixer_StartChannel(channel);
- voice_set_volume(mixer[channel].voice, mixer[channel].volume);
- voice_set_pan(mixer[channel].voice, mixer[channel].stereo);
- voice_start(mixer[channel].voice);
-#endif
+ Mixer_ResetChannelExpiration(channel);
+ mixer[channel].playing_pos = 0;
mixer[channel].active = TRUE;
mixer_active_channels++;
}
-static void Mixer_PlayMusicChannel()
+static void Mixer_PlayMusicChannel(void)
{
Mixer_PlayChannel(audio.music_channel);
-#if defined(TARGET_SDL)
- if (IS_MUSIC_MODULE(mixer[audio.music_channel]))
+ if (mixer[audio.music_channel].type != MUS_TYPE_WAV)
{
- /* Mix_VolumeMusic() must be called _after_ Mix_PlayMusic() --
- this looks like a bug in the SDL_mixer library */
- Mix_PlayMusic(mixer[audio.music_channel].data_ptr, -1);
- Mix_VolumeMusic(SOUND_MAX_VOLUME);
- }
+ int loops = (IS_LOOP(mixer[audio.music_channel]) ? -1 : 1);
+
+ // stopping music channel before playing next track seems to be needed to
+ // prevent audio problems that may occur when playing MP3 files on Windows
+ Mixer_StopMusicChannel();
+
+ // 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, loops, 100);
+
+#if defined(PLATFORM_WINDOWS)
+ // playing MIDI music is broken since Windows Vista, as it sets the volume
+ // for MIDI music also for all other sounds and music, which cannot be set
+ // back to normal unless playing MIDI music again with that desired volume
+ // (more details: https://www.artsoft.org/forum/viewtopic.php?f=7&t=2253)
+ // => workaround: always play MIDI music with maximum volume
+ if (Mix_GetMusicType(NULL) == MUS_MID)
+ Mix_VolumeMusic(SOUND_MAX_VOLUME);
#endif
+ }
}
static void Mixer_StopChannel(int channel)
{
- if (!mixer_active_channels || !mixer[channel].active)
+ if (!mixer[channel].active)
return;
-#if defined(TARGET_SDL)
Mix_HaltChannel(channel);
-#elif defined(PLATFORM_MSDOS)
- voice_set_volume(mixer[channel].voice, 0);
- deallocate_voice(mixer[channel].voice);
-#endif
mixer[channel].active = FALSE;
mixer_active_channels--;
}
-static void Mixer_StopMusicChannel()
+static void Mixer_StopMusicChannel(void)
{
Mixer_StopChannel(audio.music_channel);
-#if defined(TARGET_SDL)
Mix_HaltMusic();
-#endif
+
+ setString(¤tly_playing_music_filename, NULL);
}
static void Mixer_FadeChannel(int channel)
{
+ if (!mixer[channel].active)
+ return;
+
mixer[channel].state |= SND_CTRL_FADE;
-#if defined(TARGET_SDL)
Mix_FadeOutChannel(channel, SOUND_FADING_INTERVAL);
-#elif defined(PLATFORM_MSDOS)
- if (voice_check(mixer[channel].voice))
- voice_ramp_volume(mixer[channel].voice, SOUND_FADING_INTERVAL, 0);
- mixer[channel].state &= ~SND_CTRL_IS_LOOP;
-#endif
}
-static void Mixer_FadeMusicChannel()
+static void Mixer_FadeMusicChannel(void)
{
Mixer_FadeChannel(audio.music_channel);
-#if defined(TARGET_SDL)
Mix_FadeOutMusic(SOUND_FADING_INTERVAL);
+
+#if defined(PLATFORM_WINDOWS)
+ // playing MIDI music is broken since Windows Vista, as it sets the volume
+ // for MIDI music also for all other sounds and music, which cannot be set
+ // back to normal unless playing MIDI music again with that desired volume
+ // (more details: https://www.artsoft.org/forum/viewtopic.php?f=7&t=2253)
+ // => workaround: never fade MIDI music to lower volume, but just stop it
+ if (Mix_GetMusicType(NULL) == MUS_MID)
+ Mixer_StopMusicChannel();
#endif
+
+ 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);
}
static void Mixer_InsertSound(SoundControl snd_ctrl)
SoundInfo *snd_info;
int i, k;
-#if 0
- printf("NEW SOUND %d HAS ARRIVED [%d]\n", snd_ctrl.nr, num_sounds);
-#endif
-
if (IS_MUSIC(snd_ctrl))
- snd_ctrl.nr = snd_ctrl.nr % num_music;
- else if (snd_ctrl.nr >= num_sounds)
- return;
+ snd_info = getMusicInfoEntryFromMusicID(snd_ctrl.nr);
+ else
+ snd_info = getSoundInfoEntryFromSoundID(snd_ctrl.nr);
- snd_info = (IS_MUSIC(snd_ctrl) ? Music[snd_ctrl.nr] : Sound[snd_ctrl.nr]);
if (snd_info == NULL)
return;
- /* copy sound sample and format information */
- snd_ctrl.data_ptr = snd_info->data_ptr;
- snd_ctrl.data_len = snd_info->data_len;
- snd_ctrl.format = snd_info->format;
+ // copy sound sample and format information
+ snd_ctrl.type = snd_info->type;
+ 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;
+ // play music samples on a dedicated music channel
if (IS_MUSIC(snd_ctrl))
{
+ Mixer_StopMusicChannel();
+
mixer[audio.music_channel] = snd_ctrl;
+ Mixer_PlayMusicChannel();
- Mixer_PlayChannel(audio.music_channel);
+ setString(¤tly_playing_music_filename,
+ getBaseNamePtr(snd_info->source_filename));
return;
}
-#if 0
- printf("-> %d\n", mixer_active_channels);
-#endif
+ // check if (and how often) this sound sample is already playing
+ for (k = 0, i = audio.first_sound_channel; i < audio.num_channels; i++)
+ if (mixer[i].active && SAME_SOUND_DATA(mixer[i], snd_ctrl))
+ k++;
- if (mixer_active_channels == audio.num_channels)
+ // reset expiration delay for already playing loop sounds
+ if (k > 0 && IS_LOOP(snd_ctrl))
{
- for (i=0; i<audio.num_channels; i++)
+ for (i = audio.first_sound_channel; i < audio.num_channels; i++)
{
- if (mixer[i].data_ptr == NULL)
+ if (mixer[i].active && SAME_SOUND_DATA(mixer[i], snd_ctrl))
{
-#if 1
- printf("THIS SHOULD NEVER HAPPEN! [%d]\n", i);
-#endif
+ if (IS_FADING(mixer[i]))
+ Mixer_UnFadeChannel(i);
- Mixer_StopChannel(i);
+ // restore settings like volume and stereo position
+ mixer[i].volume = snd_ctrl.volume;
+ mixer[i].stereo_position = snd_ctrl.stereo_position;
+
+ Mixer_SetChannelProperties(i);
+ Mixer_ResetChannelExpiration(i);
}
}
+
+ return;
}
- /* if mixer is full, remove oldest sound */
- if (mixer_active_channels == audio.num_channels)
+ // don't play sound more than n times simultaneously (with n == 2 for now)
+ if (k >= 2)
{
+ unsigned int playing_current = Counter();
int longest = 0, longest_nr = audio.first_sound_channel;
- for (i=audio.first_sound_channel; i<audio.num_channels; i++)
+ // look for oldest equal sound
+ for (i = audio.first_sound_channel; i < audio.num_channels; i++)
{
-#if !defined(PLATFORM_MSDOS)
- int actual = 100 * mixer[i].playingpos / mixer[i].data_len;
-#else
- int actual = mixer[i].playingpos;
-#endif
+ int playing_time = playing_current - mixer[i].playing_starttime;
+ int actual;
- if (!IS_LOOP(mixer[i]) && actual > longest)
+ if (!mixer[i].active || !SAME_SOUND_NR(mixer[i], snd_ctrl))
+ continue;
+
+ actual = 1000 * playing_time / mixer[i].data_len;
+
+ if (actual >= longest)
{
longest = actual;
longest_nr = i;
Mixer_StopChannel(longest_nr);
}
- /* check if sound is already being played (and how often) */
- for (k=0, i=audio.first_sound_channel; i<audio.num_channels; i++)
- if (mixer[i].nr == snd_ctrl.nr)
- k++;
+ /* If all (non-music) channels are active, stop the channel that has
+ played its sound sample most completely (in percent of the sample
+ length). As we cannot currently get the actual playing position
+ of the channel's sound sample when compiling with the SDL mixer
+ library, we use the current playing time (in milliseconds) instead. */
- /* restart loop sounds only if they are just fading out */
- if (k >= 1 && IS_LOOP(snd_ctrl))
+#if DEBUG
+ // channel allocation sanity check -- should not be needed
+ if (mixer_active_channels ==
+ audio.num_channels - (mixer[audio.music_channel].active ? 0 : 1))
{
- for(i=audio.first_sound_channel; i<audio.num_channels; i++)
+ for (i = audio.first_sound_channel; i < audio.num_channels; i++)
{
- if (mixer[i].nr == snd_ctrl.nr && IS_FADING(mixer[i]))
+ if (!mixer[i].active)
{
- mixer[i].state &= ~SND_CTRL_FADE;
- mixer[i].volume = PSND_MAX_VOLUME;
-#if defined(PLATFORM_MSDOS)
- mixer[i].state |= SND_CTRL_LOOP;
- voice_stop_volumeramp(mixer[i].voice);
- voice_ramp_volume(mixer[i].voice, mixer[i].volume, 1000);
-#endif
+ Debug("audio", "Mixer_InsertSound: Channel %d inactive", i);
+ Debug("audio", "Mixer_InsertSound: This should never happen!");
+
+ mixer_active_channels--;
}
}
-
- return;
}
+#endif
- /* don't play sound more than n times simultaneously (with n == 2 for now) */
- if (k >= 2)
+ if (mixer_active_channels ==
+ audio.num_channels - (mixer[audio.music_channel].active ? 0 : 1))
{
+ unsigned int playing_current = Counter();
int longest = 0, longest_nr = audio.first_sound_channel;
- /* look for oldest equal sound */
- for(i=audio.first_sound_channel; i<audio.num_channels; i++)
+ for (i = audio.first_sound_channel; i < audio.num_channels; i++)
{
- int actual;
+ int playing_time = playing_current - mixer[i].playing_starttime;
+ int actual = 1000 * playing_time / mixer[i].data_len;
- if (!mixer[i].active || mixer[i].nr != snd_ctrl.nr)
- continue;
-
-#if !defined(PLATFORM_MSDOS)
- actual = 100 * mixer[i].playingpos / mixer[i].data_len;
-#else
- actual = mixer[i].playingpos;
-#endif
- if (actual >= longest)
+ if (!IS_LOOP(mixer[i]) && actual > longest)
{
longest = actual;
longest_nr = i;
Mixer_StopChannel(longest_nr);
}
- /* add new sound to mixer */
- for(i=0; i<audio.num_channels; i++)
+ // add the new sound to the mixer
+ for (i = audio.first_sound_channel; i < audio.num_channels; i++)
{
-#if 0
- printf("CHECKING CHANNEL %d FOR SOUND %d ...\n", i, snd_ctrl.nr);
-#endif
-
- /*
- if (!mixer[i].active ||
- (IS_MUSIC(snd_ctrl) && i == audio.music_channel))
- */
- if ((i == audio.music_channel && IS_MUSIC(snd_ctrl)) ||
- (i != audio.music_channel && !mixer[i].active))
+ if (!mixer[i].active)
{
-#if 0
- printf("ADDING NEW SOUND %d TO MIXER\n", snd_ctrl.nr);
-#endif
-
-#if 1
- if (snd_info->data_len == 0)
- {
- printf("THIS SHOULD NEVER HAPPEN! [snd_info->data_len == 0]\n");
- }
-#endif
-
-#if 1
- if (IS_MUSIC(snd_ctrl) && i == audio.music_channel && mixer[i].active)
- {
- printf("THIS SHOULD NEVER HAPPEN! [adding music twice]\n");
-
-#if 1
- Mixer_StopChannel(i);
-#endif
- }
-#endif
-
-#if 0
- snd_ctrl.data_ptr = snd_info->data_ptr;
- snd_ctrl.data_len = snd_info->data_len;
- snd_ctrl.format = snd_info->format;
-#endif
-
mixer[i] = snd_ctrl;
-
Mixer_PlayChannel(i);
break;
{
int i;
-#if defined(AUDIO_UNIX_NATIVE)
- if (IS_PARENT_PROCESS(audio.mixer_pid))
- {
- SendSoundControlToMixerProcess(&snd_ctrl);
- return;
- }
-#elif defined(TARGET_ALLEGRO)
- for (i=0; i<audio.num_channels; i++)
- {
- if (!mixer[i].active || IS_LOOP(mixer[i]))
- continue;
-
- mixer[i].playingpos = voice_get_position(mixer[i].voice);
- mixer[i].volume = voice_get_volume(mixer[i].voice);
-
- if (mixer[i].playingpos == -1 || mixer[i].volume == 0)
+ // 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);
- }
-#endif /* TARGET_ALLEGRO */
- if (IS_RELOADING(snd_ctrl)) /* load new sound or music files */
+ if (IS_RELOADING(snd_ctrl)) // load new sound or music files
{
- ReadReloadInfoFromPipe(&snd_ctrl);
- Mixer_InitChannels();
- CloseAudioDevice(&audio.device_fd);
+ 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 */
+ else if (IS_FADING(snd_ctrl)) // fade out existing sound or music
{
- if (!mixer_active_channels)
- return;
-
if (IS_MUSIC(snd_ctrl))
{
- Mixer_FadeChannel(audio.music_channel);
+ Mixer_FadeMusicChannel();
return;
}
- for(i=audio.first_sound_channel; i<audio.num_channels; i++)
- if (mixer[i].nr == snd_ctrl.nr || ALL_SOUNDS(snd_ctrl))
+ 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 */
+ else if (IS_STOPPING(snd_ctrl)) // stop existing sound or music
{
- if (!mixer_active_channels)
- return;
-
if (IS_MUSIC(snd_ctrl))
{
- Mixer_StopChannel(audio.music_channel);
+ Mixer_StopMusicChannel();
return;
}
- for(i=audio.first_sound_channel; i<audio.num_channels; i++)
- if (mixer[i].nr == snd_ctrl.nr || ALL_SOUNDS(snd_ctrl))
+ for (i = audio.first_sound_channel; i < audio.num_channels; i++)
+ if (SAME_SOUND_NR(mixer[i], snd_ctrl) || ALL_SOUNDS(snd_ctrl))
Mixer_StopChannel(i);
-
- if (!mixer_active_channels)
- CloseAudioDevice(&audio.device_fd);
}
- else if (snd_ctrl.active) /* add new sound to mixer */
+ else if (SET_EXPIRE_LOOPS(snd_ctrl)) // set loop expiration on or off
+ {
+ expire_loop_sounds = snd_ctrl.active;
+ }
+ else if (snd_ctrl.active) // add new sound to mixer
{
Mixer_InsertSound(snd_ctrl);
}
void StartMixer(void)
{
+ int i;
+
if (!audio.sound_available)
return;
-#if defined(PLATFORM_UNIX) && !defined(TARGET_SDL)
- if (!ForkAudioProcess())
- audio.sound_available = FALSE;
-#endif
-}
-
-#if defined(PLATFORM_UNIX) && !defined(TARGET_SDL)
-
-static void CopySampleToMixingBuffer(SoundControl *snd_ctrl,
- int sample_pos, int sample_size,
- short *buffer_ptr)
-{
- void *sample_ptr = snd_ctrl->data_ptr;
- int i;
-
- if (snd_ctrl->format == AUDIO_FORMAT_U8)
- for (i=0; i<sample_size; i++)
- *buffer_ptr++ =
- ((short)(((byte *)sample_ptr)[sample_pos + i] ^ 0x80)) << 8;
- else /* AUDIO_FORMAT_S16 */
- for (i=0; i<sample_size; i++)
- *buffer_ptr++ =
- ((short *)sample_ptr)[sample_pos + i];
+ // initialize stereo position conversion information
+ for (i = 0; i <= SOUND_MAX_LEFT2RIGHT; i++)
+ stereo_volume[i] =
+ (int)sqrt((float)(SOUND_MAX_LEFT2RIGHT * SOUND_MAX_LEFT2RIGHT - i * i));
}
-#if defined(AUDIO_STREAMING_DSP)
-static void Mixer_Main_DSP()
-{
- static int stereo_volume[PSND_MAX_LEFT2RIGHT + 1];
- static boolean stereo_volume_calculated = FALSE;
- static short premix_first_buffer[SND_BLOCKSIZE];
- static short premix_left_buffer[SND_BLOCKSIZE];
- static short premix_right_buffer[SND_BLOCKSIZE];
- static long premix_last_buffer[SND_BLOCKSIZE];
- static byte playing_buffer[SND_BLOCKSIZE];
- boolean stereo;
- int fragment_size;
- int sample_bytes;
- int max_sample_size;
- int i, j;
-
- if (!stereo_volume_calculated)
- {
- for(i=0; i<=PSND_MAX_LEFT2RIGHT; i++)
- stereo_volume[i] =
- (int)sqrt((float)(PSND_MAX_LEFT2RIGHT * PSND_MAX_LEFT2RIGHT - i * i));
-
- stereo_volume_calculated = TRUE;
- }
- if (!mixer_active_channels)
- return;
+// THE STUFF ABOVE IS ONLY USED BY THE SOUND SERVER CHILD PROCESS
+// ============================================================================
+// THE STUFF BELOW IS ONLY USED BY THE MAIN PROCESS
- if (audio.device_fd < 0)
- {
- if ((audio.device_fd = OpenAudioDevice(audio.device_name)) < 0)
- return;
+#define CHUNK_ID_LEN 4 // IFF style chunk id length
+#define WAV_HEADER_SIZE 16 // size of WAV file header
- InitAudioDevice(&afmt);
- }
+static void *Load_WAV(char *filename)
+{
+ SoundInfo *snd_info;
- stereo = afmt.stereo;
- fragment_size = afmt.fragment_size;
- sample_bytes = (afmt.format & AUDIO_FORMAT_U8 ? 1 : 2);
- max_sample_size = fragment_size / ((stereo ? 2 : 1) * sample_bytes);
+ if (!audio.sound_available)
+ return NULL;
- /* first clear the last premixing buffer */
- memset(premix_last_buffer, 0,
- max_sample_size * (stereo ? 2 : 1) * sizeof(long));
+ snd_info = checked_calloc(sizeof(SoundInfo));
- for(i=0; i<audio.num_channels; i++)
+ if ((snd_info->data_ptr = Mix_LoadWAV(filename)) == NULL)
{
- void *sample_ptr;
- int sample_len;
- int sample_pos;
- int sample_size;
-
- if (!mixer[i].active)
- continue;
+ Warn("cannot read sound file '%s': %s", filename, Mix_GetError());
- /* pointer, lenght and actual playing position of sound sample */
- sample_ptr = mixer[i].data_ptr;
- sample_len = mixer[i].data_len;
- sample_pos = mixer[i].playingpos;
- sample_size = MIN(max_sample_size, sample_len - sample_pos);
- mixer[i].playingpos += sample_size;
+ free(snd_info);
- /* copy original sample to first mixing buffer */
- CopySampleToMixingBuffer(&mixer[i], sample_pos, sample_size,
- premix_first_buffer);
+ return NULL;
+ }
- /* are we about to restart a looping sound? */
- if (IS_LOOP(mixer[i]) && sample_size < max_sample_size)
- {
- while (sample_size < max_sample_size)
- {
- int restarted_sample_size =
- MIN(max_sample_size - sample_size, sample_len);
-
- if (mixer[i].format == AUDIO_FORMAT_U8)
- for (j=0; j<restarted_sample_size; j++)
- premix_first_buffer[sample_size + j] =
- ((short)(((byte *)sample_ptr)[j] ^ 0x80)) << 8;
- else
- for (j=0; j<restarted_sample_size; j++)
- premix_first_buffer[sample_size + j] =
- ((short *)sample_ptr)[j];
-
- mixer[i].playingpos = restarted_sample_size;
- sample_size += restarted_sample_size;
- }
- }
+ snd_info->data_len = ((Mix_Chunk *)snd_info->data_ptr)->alen;
- /* decrease volume if sound is fading out */
- if (IS_FADING(mixer[i]) &&
- mixer[i].volume >= SOUND_FADING_VOLUME_THRESHOLD)
- mixer[i].volume -= SOUND_FADING_VOLUME_STEP;
+ snd_info->type = SND_TYPE_WAV;
+ snd_info->source_filename = getStringCopy(filename);
- /* adjust volume of actual sound sample */
- if (mixer[i].volume != PSND_MAX_VOLUME)
- for(j=0; j<sample_size; j++)
- premix_first_buffer[j] =
- (mixer[i].volume * (long)premix_first_buffer[j])
- >> PSND_MAX_VOLUME_BITS;
+ return snd_info;
+}
- /* 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 + mixer[i].stereo];
- int right_volume= stereo_volume[middle_pos - mixer[i].stereo];
+static void *Load_MOD(char *filename)
+{
+ MusicInfo *mod_info;
- for(j=0; j<sample_size; j++)
- {
- premix_left_buffer[j] =
- (left_volume * premix_first_buffer[j])
- >> PSND_MAX_LEFT2RIGHT_BITS;
- premix_right_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];
- }
- }
- else
- {
- for(j=0; j<sample_size; j++)
- premix_last_buffer[j] += premix_first_buffer[j];
- }
+ if (!audio.sound_available)
+ return NULL;
- /* delete completed sound entries from the mixer */
- if (mixer[i].playingpos >= mixer[i].data_len)
- {
- if (IS_LOOP(mixer[i]))
- mixer[i].playingpos = 0;
- else
- Mixer_StopChannel(i);
- }
- else if (mixer[i].volume <= SOUND_FADING_VOLUME_THRESHOLD)
- Mixer_StopChannel(i);
- }
+ mod_info = checked_calloc(sizeof(MusicInfo));
- /* prepare final playing buffer according to system audio format */
- for(i=0; i<max_sample_size * (stereo ? 2 : 1); i++)
+ if ((mod_info->data_ptr = Mix_LoadMUS(filename)) == NULL)
{
- /* 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;
+ Warn("cannot read music file '%s': %s", filename, Mix_GetError());
- /* shift to 16 bit value */
- premix_last_buffer[i] >>= 1;
+ free(mod_info);
- if (afmt.format & AUDIO_FORMAT_U8)
- {
- playing_buffer[i] = (premix_last_buffer[i] >> 8) ^ 0x80;
- }
- else if (afmt.format & AUDIO_FORMAT_LE) /* 16 bit */
- {
- playing_buffer[2 * i + 0] = premix_last_buffer[i] & 0xff;
- playing_buffer[2 * i + 1] = premix_last_buffer[i] >> 8;
- }
- else /* big endian */
- {
- playing_buffer[2 * i + 0] = premix_last_buffer[i] >> 8;
- playing_buffer[2 * i + 1] = premix_last_buffer[i] & 0xff;
- }
+ return NULL;
}
- /* finally play the sound fragment */
- write(audio.device_fd, playing_buffer, fragment_size);
+ mod_info->type = MUS_TYPE_MOD;
+ mod_info->source_filename = getStringCopy(filename);
- if (!mixer_active_channels)
- CloseAudioDevice(&audio.device_fd);
+ return mod_info;
}
-#else /* !AUDIO_STREAMING_DSP */
-
-static int Mixer_Main_SimpleAudio(SoundControl snd_ctrl)
-{
- static short premix_first_buffer[SND_BLOCKSIZE];
- static byte playing_buffer[SND_BLOCKSIZE];
- int max_sample_size = SND_BLOCKSIZE;
- void *sample_ptr;
- int sample_len;
- int sample_pos;
- int sample_size;
- int i, j;
-
- i = 1;
-
- /* pointer, lenght and actual playing position of sound sample */
- sample_ptr = mixer[i].data_ptr;
- sample_len = mixer[i].data_len;
- sample_pos = mixer[i].playingpos;
- sample_size = MIN(max_sample_size, sample_len - sample_pos);
- mixer[i].playingpos += sample_size;
-
- /* copy original sample to first mixing buffer */
- CopySampleToMixingBuffer(&mixer[i], sample_pos, sample_size,
- premix_first_buffer);
-
- /* adjust volume of actual sound sample */
- if (mixer[i].volume != PSND_MAX_VOLUME)
- for(j=0; j<sample_size; j++)
- premix_first_buffer[j] =
- (mixer[i].volume * (long)premix_first_buffer[j])
- >> PSND_MAX_VOLUME_BITS;
-
- /* might be needed for u-law /dev/audio */
-#if 0
- for(j=0; j<sample_size; j++)
- playing_buffer[j] =
- linear_to_ulaw(premix_first_buffer[j]);
-#endif
-
- /* delete completed sound entries from the mixer */
- if (mixer[i].playingpos >= mixer[i].data_len)
- Mixer_StopChannel(i);
-
- for(i=0; i<sample_size; i++)
- playing_buffer[i] = (premix_first_buffer[i] >> 8) ^ 0x80;
-
- /* finally play the sound fragment */
- write(audio.device_fd, playing_buffer, sample_size);
-
- return sample_size;
+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 /* !AUDIO_STREAMING_DSP */
-void Mixer_Main()
+static void LoadCustomMusic_NoConf(void)
{
- SoundControl snd_ctrl;
- fd_set mixer_fdset;
+ static boolean draw_init_text = TRUE; // only draw at startup
+ static char *last_music_directory = NULL;
+ char *music_directory = getCustomMusicDirectory_NoConf();
+ Directory *dir;
+ DirectoryEntry *dir_entry;
+ int num_music = getMusicListSize();
- close(audio.mixer_pipe[1]); /* no writing into pipe needed */
+ if (!audio.sound_available)
+ return;
- Mixer_InitChannels();
+ if (last_music_directory != NULL &&
+ strEqual(last_music_directory, music_directory))
+ return; // old and new music directory are the same
-#if defined(PLATFORM_HPUX)
- InitAudioDevice(&afmt);
-#endif
+ if (last_music_directory != NULL)
+ free(last_music_directory);
+ last_music_directory = getStringCopy(music_directory);
- FD_ZERO(&mixer_fdset);
- FD_SET(audio.mixer_pipe[0], &mixer_fdset);
+ FreeAllMusic_NoConf();
- while(1) /* wait for sound playing commands from client */
+ if (music_directory == NULL)
{
- struct timeval delay = { 0, 0 };
+ Warn("cannot find music directory with unconfigured music");
- FD_SET(audio.mixer_pipe[0], &mixer_fdset);
- select(audio.mixer_pipe[0] + 1, &mixer_fdset, NULL, NULL, NULL);
- if (!FD_ISSET(audio.mixer_pipe[0], &mixer_fdset))
- continue;
+ return;
+ }
+ else if ((dir = openDirectory(music_directory)) == NULL)
+ {
+ Warn("cannot read music directory '%s'", music_directory);
- ReadSoundControlFromMainProcess(&snd_ctrl);
+ return;
+ }
- HandleSoundRequest(snd_ctrl);
+ if (draw_init_text)
+ DrawInitTextHead("Loading music");
-#if defined(AUDIO_STREAMING_DSP)
+ 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;
- while (mixer_active_channels &&
- select(audio.mixer_pipe[0] + 1,
- &mixer_fdset, NULL, NULL, &delay) < 1)
+ // skip all music files that are configured in music config file
+ for (i = 0; i < num_music; i++)
{
- FD_SET(audio.mixer_pipe[0], &mixer_fdset);
+ struct FileInfo *music = getMusicListEntry(i);
- Mixer_Main_DSP();
+ if (strEqual(basename, music->filename))
+ {
+ music_already_used = TRUE;
+ break;
+ }
}
-#else /* !AUDIO_STREAMING_DSP */
-
- if (!snd_ctrl.active || IS_LOOP(snd_ctrl) ||
- (audio.device_fd = OpenAudioDevice(audio.device_name)) < 0)
+ if (music_already_used)
continue;
- InitAudioDevice(&afmt);
+ if (draw_init_text)
+ DrawInitTextItem(basename);
- delay.tv_sec = 0;
- delay.tv_usec = 0;
+ if (FileIsMusic(dir_entry->filename))
+ mus_info = Load_WAV_or_MOD(dir_entry->filename);
- while (mixer_active_channels &&
- select(audio.mixer_pipe[0] + 1,
- &mixer_fdset, NULL, NULL, &delay) < 1)
+ if (mus_info)
{
- int wait_percent = 90; /* wait 90% of the real playing time */
- int sample_size;
-
- FD_SET(audio.mixer_pipe[0], &mixer_fdset);
-
- sample_size = Mixer_Main_SimpleAudio(snd_ctrl);
-
- delay.tv_sec = 0;
- delay.tv_usec =
- ((sample_size * 10 * wait_percent) / afmt.sample_rate) * 1000;
+ num_music_noconf++;
+ Music_NoConf = checked_realloc(Music_NoConf,
+ num_music_noconf * sizeof(MusicInfo *));
+ Music_NoConf[num_music_noconf - 1] = mus_info;
}
+ }
- CloseAudioDevice(&audio.device_fd);
-
- Mixer_InitChannels(); /* remove all sounds from mixer */
+ closeDirectory(dir);
-#endif /* !AUDIO_STREAMING_DSP */
- }
+ draw_init_text = FALSE;
}
-#endif /* PLATFORM_UNIX */
+int getSoundListSize(void)
+{
+ return (sound_info->num_file_list_entries +
+ sound_info->num_dynamic_file_list_entries);
+}
-/* ------------------------------------------------------------------------- */
-/* platform dependant audio initialization code */
-/* ------------------------------------------------------------------------- */
+int getMusicListSize(void)
+{
+ return (music_info->num_file_list_entries +
+ music_info->num_dynamic_file_list_entries);
+}
-#if defined(AUDIO_LINUX_IOCTL)
-static void InitAudioDevice_Linux(struct AudioFormatInfo *afmt)
+struct FileInfo *getSoundListEntry(int pos)
{
- /* "ioctl()" expects pointer to 'int' value for stereo flag
- (boolean is defined as 'char', which will not work here) */
- unsigned int fragment_spec = 0;
- int fragment_size_query;
- int stereo = TRUE;
- struct
- {
- int format_ioctl;
- int format_result;
- }
- formats[] =
- {
- /* supported audio format in preferred order */
- { AFMT_S16_LE, AUDIO_FORMAT_S16 | AUDIO_FORMAT_LE },
- { AFMT_S16_BE, AUDIO_FORMAT_S16 | AUDIO_FORMAT_BE },
- { AFMT_U8, AUDIO_FORMAT_U8 },
- { -1, -1 }
- };
- int i;
+ int num_sounds = getSoundListSize();
+ int num_list_entries = sound_info->num_file_list_entries;
+ int list_pos = (pos < num_list_entries ? pos : pos - num_list_entries);
- /* determine logarithm (log2) of the fragment size */
- while ((1 << fragment_spec) < afmt->fragment_size)
- fragment_spec++;
-
- /* use two fragments (play one fragment, prepare the other);
- one fragment would result in interrupted audio output, more
- than two fragments would raise audio output latency to much */
- fragment_spec |= 0x00020000;
+ if (pos < 0 || pos >= num_sounds) // invalid sound
+ return NULL;
- /* Example for fragment specification:
- - 2 buffers / 512 bytes (giving 1/16 second resolution for 8 kHz)
- - (with stereo the effective buffer size will shrink to 256)
- => fragment_size = 0x00020009 */
+ return (pos < num_list_entries ? &sound_info->file_list[list_pos] :
+ &sound_info->dynamic_file_list[list_pos]);
+}
- if (ioctl(audio.device_fd, SNDCTL_DSP_SETFRAGMENT, &fragment_spec) < 0)
- Error(ERR_EXIT_SOUND_SERVER,
- "cannot set fragment size of /dev/dsp -- no sounds");
+struct FileInfo *getMusicListEntry(int pos)
+{
+ int num_music = getMusicListSize();
+ int num_list_entries = music_info->num_file_list_entries;
+ int list_pos = (pos < num_list_entries ? pos : pos - num_list_entries);
- i = 0;
- afmt->format = 0;
- while (formats[i].format_result != -1)
- {
- unsigned int audio_format = formats[i].format_ioctl;
- if (ioctl(audio.device_fd, SNDCTL_DSP_SETFMT, &audio_format) == 0)
- {
- afmt->format = formats[i].format_result;
- break;
- }
- }
+ if (pos < 0 || pos >= num_music) // invalid music
+ return NULL;
- if (afmt->format == 0) /* no supported audio format found */
- Error(ERR_EXIT_SOUND_SERVER,
- "cannot set audio format of /dev/dsp -- no sounds");
-
- /* try if we can use stereo sound */
- afmt->stereo = TRUE;
- if (ioctl(audio.device_fd, SNDCTL_DSP_STEREO, &stereo) < 0)
- afmt->stereo = FALSE;
-
- if (ioctl(audio.device_fd, SNDCTL_DSP_SPEED, &afmt->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_query) < 0)
- Error(ERR_EXIT_SOUND_SERVER,
- "cannot get fragment size of /dev/dsp -- no sounds");
- if (fragment_size_query != afmt->fragment_size)
- Error(ERR_EXIT_SOUND_SERVER,
- "cannot set fragment size of /dev/dsp -- no sounds");
+ return (pos < num_list_entries ? &music_info->file_list[list_pos] :
+ &music_info->dynamic_file_list[list_pos]);
}
-#endif /* AUDIO_LINUX_IOCTL */
-#if defined(PLATFORM_NETBSD)
-static void InitAudioDevice_NetBSD(struct AudioFormatInfo *afmt)
+static SoundInfo *getSoundInfoEntryFromSoundID(int pos)
{
- audio_info_t a_info;
- boolean stereo = TRUE;
+ int num_sounds = getSoundListSize();
+ 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);
+
+ if (pos < 0 || pos >= num_sounds) // invalid sound
+ return NULL;
+
+ return snd_info[list_pos];
+}
- AUDIO_INITINFO(&a_info);
- a_info.play.encoding = AUDIO_ENCODING_LINEAR8;
- a_info.play.precision = 8;
- a_info.play.channels = 2;
- a_info.play.sample_rate = sample_rate;
- a_info.blocksize = fragment_size;
+static MusicInfo *getMusicInfoEntryFromMusicID(int pos)
+{
+ int num_music = getMusicListSize();
+ 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);
- afmt->format = AUDIO_FORMAT_U8;
- afmt->stereo = TRUE;
+ if (pos >= num_music) // invalid music
+ return NULL;
- if (ioctl(audio.device_fd, AUDIO_SETINFO, &a_info) < 0)
+ if (pos < 0) // undefined music
{
- /* try to disable stereo */
- a_info.play.channels = 1;
+ if (num_music_noconf == 0) // no fallback music available
+ return NULL;
- afmt->stereo = FALSE;
+ pos = UNMAP_NOCONF_MUSIC(pos) % num_music_noconf;
- if (ioctl(audio.device_fd, AUDIO_SETINFO, &a_info) < 0)
- Error(ERR_EXIT_SOUND_SERVER,
- "cannot set sample rate of /dev/audio -- no sounds");
+ return Music_NoConf[pos];
}
+
+ return mus_info[list_pos];
}
-#endif /* PLATFORM_NETBSD */
-#if defined(PLATFORM_HPUX)
-static void InitAudioDevice_HPUX(struct AudioFormatInfo *afmt)
+char *getSoundInfoEntryFilename(int pos)
{
- struct audio_describe ainfo;
- int audio_ctl;
+ SoundInfo *snd_info = getSoundInfoEntryFromSoundID(pos);
- audio_ctl = open("/dev/audioCtl", O_WRONLY | O_NDELAY);
- if (audio_ctl == -1)
- Error(ERR_EXIT_SOUND_SERVER, "cannot open /dev/audioCtl -- no sounds");
-
- if (ioctl(audio_ctl, AUDIO_DESCRIBE, &ainfo) == -1)
- Error(ERR_EXIT_SOUND_SERVER, "no audio info -- no sounds");
+ if (snd_info == NULL)
+ 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");
+ return getBaseNamePtr(snd_info->source_filename);
+}
- ioctl(audio_ctl, AUDIO_SET_CHANNELS, 1);
- ioctl(audio_ctl, AUDIO_SET_SAMPLE_RATE, 8000);
+char *getMusicInfoEntryFilename(int pos)
+{
+ MusicInfo *mus_info = getMusicInfoEntryFromMusicID(pos);
- afmt->format = AUDIO_FORMAT_U8;
- afmt->stereo = FALSE;
- afmt->sample_rate = 8000;
+ if (mus_info == NULL)
+ return NULL;
- close(audio_ctl);
+ return getBaseNamePtr(mus_info->source_filename);
}
-#endif /* PLATFORM_HPUX */
-
-#if defined(PLATFORM_UNIX)
-static void InitAudioDevice(struct AudioFormatInfo *afmt)
-{
- afmt->stereo = TRUE;
- afmt->format = AUDIO_FORMAT_UNKNOWN;
- afmt->sample_rate = DEFAULT_AUDIO_SAMPLE_RATE;
- afmt->fragment_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
-
-#if defined(AUDIO_LINUX_IOCTL)
- InitAudioDevice_Linux(afmt);
-#elif defined(PLATFORM_NETBSD)
- InitAudioDevice_NetBSD(afmt);
-#elif defined(PLATFORM_HPUX)
- InitAudioDevice_HPUX(afmt);
-#else
- /* generic /dev/audio stuff might be placed here */
-#endif
-}
-#endif /* PLATFORM_UNIX */
-
-#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)
-{
- static int exp_lut[256] =
- {
- 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
- return(ulawbyte);
+char *getCurrentlyPlayingMusicFilename(void)
+{
+ return currently_playing_music_filename;
}
-/*
-** 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)
-{
- 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);
+int getSoundListPropertyMappingSize(void)
+{
+ return sound_info->num_property_mapping_entries;
}
-#endif /* PLATFORM_UNIX && !AUDIO_STREAMING_DSP */
+int getMusicListPropertyMappingSize(void)
+{
+ return music_info->num_property_mapping_entries;
+}
-/* THE STUFF ABOVE IS ONLY USED BY THE SOUND SERVER CHILD PROCESS */
-/* ========================================================================= */
-/* THE STUFF BELOW IS ONLY USED BY THE MAIN PROCESS */
+struct PropertyMapping *getSoundListPropertyMapping(void)
+{
+ return sound_info->property_mapping;
+}
-#define CHUNK_ID_LEN 4 /* IFF style chunk id length */
-#define WAV_HEADER_SIZE 16 /* size of WAV file header */
+struct PropertyMapping *getMusicListPropertyMapping(void)
+{
+ return music_info->property_mapping;
+}
-static SoundInfo *Load_WAV(char *filename)
+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)
{
- SoundInfo *snd_info;
-#if !defined(TARGET_SDL) && !defined(PLATFORM_MSDOS)
- byte sound_header_buffer[WAV_HEADER_SIZE];
- char chunk_name[CHUNK_ID_LEN + 1];
- int chunk_size;
- FILE *file;
int i;
-#endif
-
- if (!audio.sound_available)
- return NULL;
-
-#if 0
- printf("loading WAV file '%s'\n", filename);
-#endif
-
- snd_info = checked_calloc(sizeof(SoundInfo));
-
-#if defined(TARGET_SDL)
-
- if ((snd_info->data_ptr = Mix_LoadWAV(filename)) == NULL)
- {
- Error(ERR_WARN, "cannot read sound file '%s'", filename);
- free(snd_info);
- return NULL;
- }
-#elif defined(TARGET_ALLEGRO)
+ sound_info = checked_calloc(sizeof(struct ArtworkListInfo));
+ sound_info->type = ARTWORK_TYPE_SOUNDS;
- if ((snd_info->data_ptr = load_sample(filename)) == NULL)
- {
- Error(ERR_WARN, "cannot read sound file '%s'", filename);
- free(snd_info);
- return NULL;
- }
+ // ---------- initialize file list and suffix lists ----------
-#else /* PLATFORM_UNIX */
+ sound_info->num_file_list_entries = num_file_list_entries;
+ sound_info->num_dynamic_file_list_entries = 0;
- if ((file = fopen(filename, MODE_READ)) == NULL)
- {
- Error(ERR_WARN, "cannot open sound file '%s'", filename);
- free(snd_info);
- return NULL;
- }
+ sound_info->file_list =
+ getFileListFromConfigList(config_list, config_suffix_list, ignore_tokens,
+ num_file_list_entries);
+ sound_info->dynamic_file_list = NULL;
- /* read chunk id "RIFF" */
- getFileChunk(file, chunk_name, &chunk_size, BYTE_ORDER_LITTLE_ENDIAN);
- if (strcmp(chunk_name, "RIFF") != 0)
- {
- Error(ERR_WARN, "missing 'RIFF' chunk of sound file '%s'", filename);
- fclose(file);
- free(snd_info);
- return NULL;
- }
+ sound_info->num_suffix_list_entries = 0;
+ for (i = 0; config_suffix_list[i].token != NULL; i++)
+ sound_info->num_suffix_list_entries++;
- /* read "RIFF" type id "WAVE" */
- getFileChunk(file, chunk_name, NULL, BYTE_ORDER_LITTLE_ENDIAN);
- if (strcmp(chunk_name, "WAVE") != 0)
- {
- Error(ERR_WARN, "missing 'WAVE' type ID of sound file '%s'", filename);
- fclose(file);
- free(snd_info);
- return NULL;
- }
+ sound_info->suffix_list = config_suffix_list;
- while (getFileChunk(file, chunk_name, &chunk_size, BYTE_ORDER_LITTLE_ENDIAN))
- {
- if (strcmp(chunk_name, "fmt ") == 0)
- {
- /* read header information */
- for (i=0; i < MIN(chunk_size, WAV_HEADER_SIZE); i++)
- sound_header_buffer[i] = fgetc(file);
+ // ---------- initialize base prefix and suffixes lists ----------
- if (chunk_size > WAV_HEADER_SIZE)
- ReadUnusedBytesFromFile(file, chunk_size - WAV_HEADER_SIZE);
- }
- else if (strcmp(chunk_name, "data") == 0)
- {
- snd_info->data_len = chunk_size;
- snd_info->data_ptr = checked_malloc(snd_info->data_len);
+ sound_info->num_base_prefixes = 0;
+ for (i = 0; base_prefixes[i] != NULL; i++)
+ sound_info->num_base_prefixes++;
- /* read sound data */
- if (fread(snd_info->data_ptr, 1, snd_info->data_len, file) !=
- snd_info->data_len)
- {
- Error(ERR_WARN,"cannot read 'data' chunk of sound file '%s'",filename);
- fclose(file);
- free(snd_info->data_ptr);
- free(snd_info);
- return NULL;
- }
+ sound_info->num_ext1_suffixes = 0;
+ for (i = 0; ext1_suffixes[i] != NULL; i++)
+ sound_info->num_ext1_suffixes++;
- /* check for odd number of sample bytes (data chunk is word aligned) */
- if ((chunk_size % 2) == 1)
- ReadUnusedBytesFromFile(file, 1);
- }
- else /* unknown chunk -- ignore */
- ReadUnusedBytesFromFile(file, chunk_size);
- }
+ sound_info->num_ext2_suffixes = 0;
+ for (i = 0; ext2_suffixes[i] != NULL; i++)
+ sound_info->num_ext2_suffixes++;
- fclose(file);
+ sound_info->num_ext3_suffixes = 0;
+ for (i = 0; ext3_suffixes[i] != NULL; i++)
+ sound_info->num_ext3_suffixes++;
- if (snd_info->data_ptr == NULL)
- {
- Error(ERR_WARN, "missing 'data' chunk of sound file '%s'", filename);
- free(snd_info);
- return NULL;
- }
+ sound_info->num_ignore_tokens = 0;
+ for (i = 0; ignore_tokens[i] != NULL; i++)
+ sound_info->num_ignore_tokens++;
- snd_info->format = AUDIO_FORMAT_U8;
+ 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;
-#endif /* PLATFORM_UNIX */
+ sound_info->num_property_mapping_entries = 0;
- snd_info->type = SND_TYPE_WAV;
- snd_info->source_filename = getStringCopy(filename);
+ sound_info->property_mapping = NULL;
- return snd_info;
-}
+ // ---------- initialize artwork reference and content lists ----------
-static void deleteSoundEntry(SoundInfo **snd_info)
-{
- if (*snd_info)
- {
- char *filename = (*snd_info)->source_filename;
+ sound_info->sizeof_artwork_list_entry = sizeof(SoundInfo *);
-#if 0
- printf("[decrementing reference counter of sound '%s']\n", filename);
-#endif
+ sound_info->artwork_list =
+ checked_calloc(num_file_list_entries * sizeof(SoundInfo *));
+ sound_info->dynamic_artwork_list = NULL;
- if (--(*snd_info)->num_references <= 0)
- {
-#if 0
- printf("[deleting sound '%s']\n", filename);
-#endif
+ sound_info->content_list = NULL;
- /*
- FreeSound(*snd_info);
- */
- deleteNodeFromList(&SoundFileList, filename, FreeSound);
- }
+ // ---------- initialize artwork loading/freeing functions ----------
- *snd_info = NULL;
- }
+ sound_info->load_artwork = Load_WAV;
+ sound_info->free_artwork = FreeSound;
}
-static void replaceSoundEntry(SoundInfo **snd_info, char *filename)
+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)
{
- ListNode *node;
-
- /* check if the old and the new sound file are the same */
- if (*snd_info && strcmp((*snd_info)->source_filename, filename) == 0)
- {
- /* The old and new sound are the same (have the same filename and path).
- This usually means that this sound does not exist in this sound set
- and a fallback to the existing sound is done. */
+ int i;
-#if 0
- printf("[sound '%s' already exists (same list entry)]\n", filename);
-#endif
+ music_info = checked_calloc(sizeof(struct ArtworkListInfo));
+ music_info->type = ARTWORK_TYPE_MUSIC;
- return;
- }
+ // ---------- initialize file list and suffix lists ----------
- /* delete existing sound file entry */
- deleteSoundEntry(snd_info);
+ music_info->num_file_list_entries = num_file_list_entries;
+ music_info->num_dynamic_file_list_entries = 0;
- /* check if the new sound file already exists in the list of sounds */
- if ((node = getNodeFromKey(SoundFileList, filename)) != NULL)
- {
-#if 0
- printf("[sound '%s' already exists (other list entry)]\n", filename);
-#endif
+ music_info->file_list =
+ getFileListFromConfigList(config_list, config_suffix_list, ignore_tokens,
+ num_file_list_entries);
+ music_info->dynamic_file_list = NULL;
- *snd_info = (SoundInfo *)node->content;
- (*snd_info)->num_references++;
- }
- else if ((*snd_info = Load_WAV(filename)) != NULL) /* load new sound */
- {
- (*snd_info)->num_references = 1;
- addNodeToList(&SoundFileList, (*snd_info)->source_filename, *snd_info);
- }
-}
+ music_info->num_suffix_list_entries = 0;
+ for (i = 0; config_suffix_list[i].token != NULL; i++)
+ music_info->num_suffix_list_entries++;
-static void LoadCustomSound(SoundInfo **snd_info, char *basename)
-{
- char *filename = getCustomSoundFilename(basename);
+ music_info->suffix_list = config_suffix_list;
- if (strcmp(basename, SND_FILE_UNDEFINED) == 0)
- {
- deleteSoundEntry(snd_info);
- return;
- }
+ // ---------- initialize base prefix and suffixes lists ----------
- if (filename == NULL)
- {
- Error(ERR_WARN, "cannot find sound file '%s'", basename);
- return;
- }
+ music_info->num_base_prefixes = 0;
+ for (i = 0; base_prefixes[i] != NULL; i++)
+ music_info->num_base_prefixes++;
- replaceSoundEntry(snd_info, filename);
-}
+ music_info->num_ext1_suffixes = 0;
+ for (i = 0; ext1_suffixes[i] != NULL; i++)
+ music_info->num_ext1_suffixes++;
-void InitSoundList(struct SoundEffectInfo *sounds_list, int num_list_entries)
-{
- if (Sound == NULL)
- Sound = checked_calloc(num_list_entries * sizeof(SoundInfo *));
+ music_info->num_ext2_suffixes = 0;
+ for (i = 0; ext2_suffixes[i] != NULL; i++)
+ music_info->num_ext2_suffixes++;
- sound_effect = sounds_list;
- num_sounds = num_list_entries;
-}
+ music_info->num_ext3_suffixes = 0;
+ for (i = 0; ext3_suffixes[i] != NULL; i++)
+ music_info->num_ext3_suffixes++;
-void LoadSoundToList(char *basename, int list_pos)
-{
- if (Sound == NULL || list_pos >= num_sounds)
- return;
+ music_info->num_ignore_tokens = 0;
+ for (i = 0; ignore_tokens[i] != NULL; i++)
+ music_info->num_ignore_tokens++;
-#if 0
- printf("loading sound '%s' ... [%d]\n",
- basename, getNumNodes(SoundFileList));
-#endif
+ 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;
- LoadCustomSound(&Sound[list_pos], basename);
+ music_info->num_property_mapping_entries = 0;
-#if 0
- printf("loading sound '%s' done [%d]\n",
- basename, getNumNodes(SoundFileList));
-#endif
-}
+ music_info->property_mapping = NULL;
-static MusicInfo *Load_MOD(char *filename)
-{
-#if defined(TARGET_SDL)
- MusicInfo *mod_info;
+ // ---------- initialize artwork reference and content lists ----------
- if (!audio.sound_available)
- return NULL;
+ music_info->sizeof_artwork_list_entry = sizeof(MusicInfo *);
- mod_info = checked_calloc(sizeof(MusicInfo));
+ music_info->artwork_list =
+ checked_calloc(num_file_list_entries * sizeof(MusicInfo *));
+ music_info->dynamic_artwork_list = NULL;
- if ((mod_info->data_ptr = Mix_LoadMUS(filename)) == NULL)
- {
- Error(ERR_WARN, "cannot read music file '%s'", filename);
- free(mod_info);
- return NULL;
- }
+ music_info->content_list = NULL;
- mod_info->type = MUS_TYPE_MOD;
- mod_info->source_filename = getStringCopy(filename);
+ // ---------- initialize artwork loading/freeing functions ----------
- return mod_info;
-#else
- return NULL;
-#endif
+ music_info->load_artwork = Load_WAV_or_MOD;
+ music_info->free_artwork = FreeMusic;
}
-void LoadCustomMusic(void)
+void PlayMusic(int nr)
{
- char *music_directory = getCustomMusicDirectory();
- DIR *dir;
- struct dirent *dir_entry;
-
- if (!audio.sound_available)
- return;
-
- if ((dir = opendir(music_directory)) == NULL)
- {
- Error(ERR_WARN, "cannot read music directory '%s'", music_directory);
- audio.music_available = FALSE;
+ if (!audio.music_available)
return;
- }
-
- while ((dir_entry = readdir(dir)) != NULL) /* loop until last dir entry */
- {
- char *basename = dir_entry->d_name;
- char *filename = getPath2(music_directory, basename);
- MusicInfo *mus_info = NULL;
-
- if (FileIsSound(basename))
- mus_info = Load_WAV(filename);
- else if (FileIsMusic(basename))
- mus_info = Load_MOD(filename);
-
- free(filename);
-
- if (mus_info)
- {
- num_music++;
- Music = checked_realloc(Music, num_music * sizeof(MusicInfo *));
- Music[num_music -1] = mus_info;
- }
- }
-
- closedir(dir);
- if (num_music == 0)
- Error(ERR_WARN, "cannot find any valid music files in directory '%s'",
- music_directory);
+ PlaySoundMusic(nr);
}
-void PlayMusic(int nr)
+void PlayMusicLoop(int nr)
{
if (!audio.music_available)
return;
-#if defined(TARGET_SDL)
-
- nr = nr % num_music;
-
- if (Music[nr]->type == MUS_TYPE_MOD)
- {
- Mix_PlayMusic(Music[nr]->data_ptr, -1);
- Mix_VolumeMusic(SOUND_MAX_VOLUME); /* must be _after_ Mix_PlayMusic()! */
- }
- else /* play WAV music loop */
- {
- Mix_Volume(audio.music_channel, SOUND_MAX_VOLUME);
- Mix_PlayChannel(audio.music_channel, Music[nr]->data_ptr, -1);
- }
-
-#else
-
- PlaySoundMusic(nr);
-
-#endif
+ PlaySoundMusicLoop(nr);
}
void PlaySound(int nr)
{
- PlaySoundExt(nr, PSND_MAX_VOLUME, PSND_MIDDLE, SND_CTRL_PLAY_SOUND);
+ 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, SND_CTRL_PLAY_SOUND);
+ 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, SND_CTRL_PLAY_LOOP);
+ if (!setup.sound_loops)
+ return;
+
+ PlaySoundExt(nr, SOUND_MAX_VOLUME, SOUND_MIDDLE, SND_CTRL_PLAY_LOOP);
}
void PlaySoundMusic(int nr)
{
- PlaySoundExt(nr, PSND_MAX_VOLUME, PSND_MIDDLE, SND_CTRL_PLAY_MUSIC);
+ if (!setup.sound_music)
+ return;
+
+ PlaySoundExt(nr, SOUND_MAX_VOLUME, SOUND_MIDDLE, SND_CTRL_PLAY_MUSIC);
+}
+
+void PlaySoundMusicLoop(int nr)
+{
+ if (!setup.sound_music)
+ return;
+
+ PlaySoundExt(nr, SOUND_MAX_VOLUME, SOUND_MIDDLE, SND_CTRL_PLAY_MUSIC_LOOP);
}
-void PlaySoundExt(int nr, int volume, int stereo, int state)
+void PlaySoundExt(int nr, int volume, int stereo_position, int state)
{
SoundControl snd_ctrl;
audio.sound_deactivated)
return;
- if (volume < PSND_MIN_VOLUME)
- volume = PSND_MIN_VOLUME;
- else if (volume > PSND_MAX_VOLUME)
- volume = PSND_MAX_VOLUME;
+ volume = SETUP_SOUND_VOLUME(volume, state);
- if (stereo < PSND_MAX_LEFT)
- stereo = PSND_MAX_LEFT;
- else if (stereo > PSND_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;
+
+ if (stereo_position < SOUND_MAX_LEFT)
+ stereo_position = SOUND_MAX_LEFT;
+ else if (stereo_position > SOUND_MAX_RIGHT)
+ stereo_position = SOUND_MAX_RIGHT;
+
+ clear_mem(&snd_ctrl, sizeof(SoundControl)); // to make valgrind happy
snd_ctrl.active = TRUE;
- snd_ctrl.nr = nr;
+ snd_ctrl.nr = nr;
snd_ctrl.volume = volume;
- snd_ctrl.stereo = stereo;
- snd_ctrl.state = state;
+ snd_ctrl.stereo_position = stereo_position;
+ snd_ctrl.state = state;
HandleSoundRequest(snd_ctrl);
}
void FadeMusic(void)
{
- if (!audio.sound_available)
+ if (!audio.music_available)
return;
-#if defined(TARGET_SDL)
- Mix_FadeOutMusic(SOUND_FADING_INTERVAL);
- Mix_FadeOutChannel(audio.music_channel, SOUND_FADING_INTERVAL);
-#else
StopSoundExt(-1, SND_CTRL_FADE_MUSIC);
-#endif
}
void FadeSound(int nr)
StopSoundExt(nr, SND_CTRL_FADE_SOUND);
}
-void FadeSounds()
+void FadeSounds(void)
{
- FadeMusic();
StopSoundExt(-1, SND_CTRL_FADE_ALL);
}
+void FadeSoundsAndMusic(void)
+{
+ FadeSounds();
+ FadeMusic();
+}
+
void StopMusic(void)
{
-#if defined(TARGET_SDL)
- if (!audio.sound_available)
+ if (!audio.music_available)
return;
- Mix_HaltMusic();
- Mix_HaltChannel(audio.music_channel);
-#else
StopSoundExt(-1, SND_CTRL_STOP_MUSIC);
-#endif
}
void StopSound(int nr)
StopSoundExt(nr, SND_CTRL_STOP_SOUND);
}
-void StopSounds()
+void StopSounds(void)
{
StopMusic();
StopSoundExt(-1, SND_CTRL_STOP_ALL);
if (!audio.sound_available)
return;
+ clear_mem(&snd_ctrl, sizeof(SoundControl)); // to make valgrind happy
+
snd_ctrl.active = FALSE;
- snd_ctrl.nr = nr;
- snd_ctrl.state = state;
+ snd_ctrl.nr = nr;
+ snd_ctrl.state = state;
HandleSoundRequest(snd_ctrl);
}
-ListNode *newListNode()
-{
- return checked_calloc(sizeof(ListNode));
-}
-
-void addNodeToList(ListNode **node_first, char *key, void *content)
-{
- ListNode *node_new = newListNode();
-
-#if 0
- printf("LIST: adding node with key '%s'\n", key);
-#endif
-
- node_new->key = getStringCopy(key);
- node_new->content = content;
- node_new->next = *node_first;
- *node_first = node_new;
-}
-
-void deleteNodeFromList(ListNode **node_first, char *key,
- void (*destructor_function)(void *))
+void ExpireSoundLoops(boolean active)
{
- if (node_first == NULL || *node_first == NULL)
- return;
-
-#if 0
- printf("[CHECKING LIST KEY '%s' == '%s']\n",
- (*node_first)->key, key);
-#endif
-
- if (strcmp((*node_first)->key, key) == 0)
- {
-#if 0
- printf("[DELETING LIST ENTRY]\n");
-#endif
-
- free((*node_first)->key);
- if (destructor_function)
- destructor_function((*node_first)->content);
- *node_first = (*node_first)->next;
- }
- else
- deleteNodeFromList(&(*node_first)->next, key, destructor_function);
-}
-
-ListNode *getNodeFromKey(ListNode *node_first, char *key)
-{
- if (node_first == NULL)
- return NULL;
-
- if (strcmp(node_first->key, key) == 0)
- return node_first;
- else
- return getNodeFromKey(node_first->next, key);
-}
-
-int getNumNodes(ListNode *node_first)
-{
- return (node_first ? 1 + getNumNodes(node_first->next) : 0);
-}
-
-void dumpList(ListNode *node_first)
-{
- ListNode *node = node_first;
-
- while (node)
- {
- printf("['%s' (%d)]\n", node->key,
- ((SoundInfo *)node->content)->num_references);
- node = node->next;
- }
-
- printf("[%d nodes]\n", getNumNodes(node_first));
-}
-
-static void LoadSoundsInfo()
-{
- char *filename = getCustomSoundConfigFilename();
- struct SetupFileList *setup_file_list;
- int i;
-
- /* always start with reliable default values */
- for (i=0; i<num_sounds; i++)
- sound_effect[i].filename = NULL;
+ SoundControl snd_ctrl;
- if (filename == NULL)
+ if (!audio.sound_available)
return;
- if ((setup_file_list = loadSetupFileList(filename)))
- {
- for (i=0; i<num_sounds; i++)
- sound_effect[i].filename =
- getStringCopy(getTokenValue(setup_file_list, sound_effect[i].text));
+ clear_mem(&snd_ctrl, sizeof(SoundControl)); // to make valgrind happy
- freeSetupFileList(setup_file_list);
+ snd_ctrl.active = active;
+ snd_ctrl.state = SND_CTRL_EXPIRE_LOOPS;
-#if 1
- for (i=0; i<num_sounds; i++)
- {
- printf("'%s' ", sound_effect[i].text);
- if (sound_effect[i].filename)
- printf("-> '%s'\n", sound_effect[i].filename);
- else
- printf("-> UNDEFINED [-> '%s']\n", sound_effect[i].default_filename);
- }
-#endif
- }
+ HandleSoundRequest(snd_ctrl);
}
-static void ReloadCustomSounds()
+static void ReloadCustomSounds(void)
{
- int i;
-
-#if 0
- printf("DEBUG: reloading sounds '%s' ...\n", artwork.sounds_set_current);
-#endif
-
- LoadSoundsInfo();
-
-#if 0
- printf("DEBUG: reloading %d sounds ...\n", num_sounds);
-#endif
-
- for(i=0; i<num_sounds; i++)
- {
- if (sound_effect[i].filename)
- LoadSoundToList(sound_effect[i].filename, i);
- else
- LoadSoundToList(sound_effect[i].default_filename, i);
- }
-
- /*
- printf("list size == %d\n", getNumNodes(SoundFileList));
- */
-
-#if 0
- dumpList(SoundFileList);
-#endif
+ LoadArtworkConfig(sound_info);
+ ReloadCustomArtworkList(sound_info);
}
-static void ReloadCustomMusic()
+static void ReloadCustomMusic(void)
{
-#if 0
- printf("DEBUG: reloading music '%s' ...\n", artwork.music_set_current);
-#endif
-
- FreeAllMusic();
+ LoadArtworkConfig(music_info);
+ ReloadCustomArtworkList(music_info);
- LoadCustomMusic();
+ // load all music files from directory not defined in "musicinfo.conf"
+ LoadCustomMusic_NoConf();
}
-void InitReloadSounds(char *set_name)
+void InitReloadCustomSounds(void)
{
if (!audio.sound_available)
return;
-#if defined(TARGET_SDL) || defined(TARGET_ALLEGRO)
ReloadCustomSounds();
-#elif defined(PLATFORM_UNIX)
- WriteReloadInfoToPipe(set_name, SND_CTRL_RELOAD_SOUNDS);
-#endif
}
-void InitReloadMusic(char *set_name)
+void InitReloadCustomMusic(void)
{
if (!audio.music_available)
return;
-#if defined(TARGET_SDL) || defined(TARGET_ALLEGRO)
ReloadCustomMusic();
-#elif defined(PLATFORM_UNIX)
- WriteReloadInfoToPipe(set_name, SND_CTRL_RELOAD_MUSIC);
-#endif
}
void FreeSound(void *ptr)
if (sound->data_ptr)
{
-#if defined(TARGET_SDL)
Mix_FreeChunk(sound->data_ptr);
-#elif defined(TARGET_ALLEGRO)
- destroy_sample(sound->data_ptr);
-#else /* PLATFORM_UNIX */
- free(sound->data_ptr);
-#endif
}
- if (sound->source_filename)
- free(sound->source_filename);
+ checked_free(sound->source_filename);
free(sound);
}
-void FreeMusic(MusicInfo *music)
+void FreeMusic(void *ptr)
{
+ MusicInfo *music = (MusicInfo *)ptr;
+
if (music == NULL)
return;
if (music->data_ptr)
{
-#if defined(TARGET_SDL)
if (music->type == MUS_TYPE_MOD)
Mix_FreeMusic(music->data_ptr);
else
Mix_FreeChunk(music->data_ptr);
-#elif defined(TARGET_ALLEGRO)
- destroy_sample(music->data_ptr);
-#else /* PLATFORM_UNIX */
- free(music->data_ptr);
-#endif
}
free(music);
}
-void FreeAllSounds()
+static void FreeAllMusic_NoConf(void)
{
int i;
- if (Sound == NULL)
+ if (Music_NoConf == NULL)
return;
- printf("%s: FREEING SOUNDS ...\n",
- IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT");
-
- for(i=0; i<num_sounds; i++)
- deleteSoundEntry(&Sound[i]);
- /*
- FreeSound(Sound[i]);
- */
+ for (i = 0; i < num_music_noconf; i++)
+ FreeMusic(Music_NoConf[i]);
- printf("%s: FREEING SOUNDS -- DONE\n",
- IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT");
+ free(Music_NoConf);
- free(Sound);
-
- Sound = NULL;
- num_sounds = 0;
+ Music_NoConf = NULL;
+ num_music_noconf = 0;
}
-void FreeAllMusic()
+void FreeAllSounds(void)
{
- int i;
-
- if (Music == NULL)
- return;
-
- for(i=0; i<num_music; i++)
- FreeMusic(Music[i]);
-
- free(Music);
+ FreeCustomArtworkLists(sound_info);
+}
- Music = NULL;
- num_music = 0;
+void FreeAllMusic(void)
+{
+ FreeCustomArtworkLists(music_info);
+ FreeAllMusic_NoConf();
}
-/* THE STUFF ABOVE IS ONLY USED BY THE MAIN PROCESS */
-/* ========================================================================= */
+// THE STUFF ABOVE IS ONLY USED BY THE MAIN PROCESS
+// ============================================================================