/***********************************************************
* Artsoft Retro-Game Library *
*----------------------------------------------------------*
-* (c) 1994-2001 Artsoft Entertainment *
+* (c) 1994-2002 Artsoft Entertainment *
* Holger Schemel *
* Detmolder Strasse 189 *
* 33604 Bielefeld *
* sound.c *
***********************************************************/
-#include <string.h>
+#include <sys/types.h>
#include <sys/time.h>
+#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#define SOUND_FADING_VOLUME_THRESHOLD (SOUND_FADING_VOLUME_STEP * 2)
#endif
-#if !defined(PLATFORM_HPUX)
-#define SND_BLOCKSIZE 4096
-#else
-#define SND_BLOCKSIZE 32768
-#endif
-
#define SND_TYPE_NONE 0
#define SND_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])
+#define SAME_SOUND_NR(x,y) ((x).nr == (y).nr)
+#define SAME_SOUND_DATA(x,y) ((x).data_ptr == (y).data_ptr)
#if 0
struct SoundHeader_SUN
int format;
void *data_ptr; /* pointer to first sample (8 or 16 bit) */
long 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;
int format;
void *data_ptr; /* pointer to first sample (8 or 16 bit) */
long data_len; /* number of samples, NOT number of bytes */
+ int num_channels; /* mono: 1 channel, stereo: 2 channels */
#if defined(TARGET_ALLEGRO)
int voice;
};
typedef struct SoundControl SoundControl;
-struct ListNode
-{
- char *key;
- void *content;
- struct ListNode *next;
-};
-typedef struct ListNode ListNode;
-
-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 *);
-
-
-static struct SoundEffectInfo *sound_effect;
-static ListNode *SoundFileList = NULL;
+static struct ArtworkListInfo *sound_info = NULL;
+#if 0
static SoundInfo **Sound = NULL;
+#endif
static MusicInfo **Music = NULL;
-static int num_sounds = 0, num_music = 0;
+#if 0
+static int num_sounds = 0;
+#endif
+static int num_music = 0;
static int stereo_volume[SOUND_MAX_LEFT2RIGHT + 1];
static void ReloadCustomMusic();
static void FreeSound(void *);
+static SoundInfo *getSoundInfoEntryFromSoundID(int);
+
/* ------------------------------------------------------------------------- */
/* functions for native (non-SDL) Unix audio/mixer support */
static char *audio_device_name[] =
{
DEVICENAME_DSP,
+ DEVICENAME_SOUND_DSP,
DEVICENAME_AUDIO
};
int audio_device_fd = -1;
return FALSE;
}
- if (IS_CHILD_PROCESS(audio.mixer_pid))
+ if (audio.mixer_pid == 0) /* we are the child process */
+ audio.mixer_pid = getpid();
+
+#if 0
+ printf("PID: %d [%s]\n", getpid(),(IS_CHILD_PROCESS() ? "child" : "parent"));
+ Delay(10000 * 0);
+#endif
+
+ if (IS_CHILD_PROCESS())
Mixer_Main(); /* this function never returns */
else
close(audio.mixer_pipe[0]); /* no reading from pipe needed */
if (audio.device_fd)
close(audio.device_fd);
- if (IS_PARENT_PROCESS(audio.mixer_pid))
+ if (IS_PARENT_PROCESS() && HAS_CHILD_PROCESS())
kill(audio.mixer_pid, SIGTERM);
}
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");
+ "cannot set fragment size of audio device -- no sounds");
i = 0;
afmt->format = 0;
if (afmt->format == 0) /* no supported audio format found */
Error(ERR_EXIT_SOUND_SERVER,
- "cannot set audio format of /dev/dsp -- no sounds");
+ "cannot set audio format of audio device -- no sounds");
/* try if we can use stereo sound */
afmt->stereo = TRUE;
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");
+ "cannot set sample rate of audio device -- 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");
+ "cannot get fragment size of audio device -- no sounds");
if (fragment_size_query != afmt->fragment_size)
Error(ERR_EXIT_SOUND_SERVER,
- "cannot set fragment size of /dev/dsp -- no sounds");
+ "cannot set fragment size of audio device -- no sounds");
}
#endif /* AUDIO_LINUX_IOCTL */
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;
+ a_info.play.sample_rate = afmt->sample_rate;
+ a_info.blocksize = afmt->fragment_size;
afmt->format = AUDIO_FORMAT_U8;
afmt->stereo = TRUE;
if (ioctl(audio.device_fd, AUDIO_SETINFO, &a_info) < 0)
Error(ERR_EXIT_SOUND_SERVER,
- "cannot set sample rate of /dev/audio -- no sounds");
+ "cannot set sample rate of audio device -- no sounds");
}
}
#endif /* PLATFORM_NETBSD */
audio_ctl = open("/dev/audioCtl", O_WRONLY | O_NDELAY);
if (audio_ctl == -1)
- Error(ERR_EXIT_SOUND_SERVER, "cannot open /dev/audioCtl -- no sounds");
+ Error(ERR_EXIT_SOUND_SERVER, "cannot open audio device -- no sounds");
if (ioctl(audio_ctl, AUDIO_DESCRIBE, &ainfo) == -1)
Error(ERR_EXIT_SOUND_SERVER, "no audio info -- no sounds");
static void SendSoundControlToMixerProcess(SoundControl *snd_ctrl)
{
- if (IS_CHILD_PROCESS(audio.mixer_pid))
+ if (IS_CHILD_PROCESS())
return;
if (write(audio.mixer_pipe[1], snd_ctrl, sizeof(SoundControl)) < 0)
static void ReadSoundControlFromMainProcess(SoundControl *snd_ctrl)
{
- if (IS_PARENT_PROCESS(audio.mixer_pid))
+ if (IS_PARENT_PROCESS())
return;
if (read(audio.mixer_pipe[0], snd_ctrl, sizeof(SoundControl))
Error(ERR_EXIT_SOUND_SERVER, "broken pipe -- no sounds");
}
-static void WriteReloadInfoToPipe(char *set_name, int type)
+static void WriteReloadInfoToPipe(char *set_identifier, int type)
{
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 (IS_CHILD_PROCESS(audio.mixer_pid))
+ unsigned long str_size2 = strlen(leveldir_current->sounds_path) + 1;
+ unsigned long str_size3 = strlen(leveldir_current->music_path) + 1;
+ unsigned long str_size4 = strlen(ti->basepath) + 1;
+ unsigned long str_size5 = strlen(ti->fullpath) + 1;
+ boolean override_level_artwork = (type == SND_CTRL_RELOAD_SOUNDS ?
+ setup.override_level_sounds :
+ setup.override_level_music);
+
+ if (IS_CHILD_PROCESS())
return;
if (leveldir_current == NULL) /* should never happen */
snd_ctrl.active = FALSE;
snd_ctrl.state = type;
- snd_ctrl.data_len = strlen(set_name) + 1;
+ snd_ctrl.data_len = strlen(set_identifier) + 1;
if (write(audio.mixer_pipe[1], &snd_ctrl,
sizeof(snd_ctrl)) < 0 ||
- write(audio.mixer_pipe[1], set_name,
+ write(audio.mixer_pipe[1], set_identifier,
snd_ctrl.data_len) < 0 ||
+ write(audio.mixer_pipe[1], &override_level_artwork,
+ sizeof(boolean)) < 0 ||
write(audio.mixer_pipe[1], leveldir_current,
sizeof(TreeInfo)) < 0 ||
write(audio.mixer_pipe[1], ti,
sizeof(unsigned long)) < 0 ||
write(audio.mixer_pipe[1], &str_size3,
sizeof(unsigned long)) < 0 ||
+ write(audio.mixer_pipe[1], &str_size4,
+ sizeof(unsigned long)) < 0 ||
+ write(audio.mixer_pipe[1], &str_size5,
+ sizeof(unsigned long)) < 0 ||
write(audio.mixer_pipe[1], leveldir_current->fullpath,
str_size1) < 0 ||
- write(audio.mixer_pipe[1], ti->basepath,
+ write(audio.mixer_pipe[1], leveldir_current->sounds_path,
str_size2) < 0 ||
+ write(audio.mixer_pipe[1], leveldir_current->music_path,
+ str_size3) < 0 ||
+ write(audio.mixer_pipe[1], ti->basepath,
+ str_size4) < 0 ||
write(audio.mixer_pipe[1], ti->fullpath,
- str_size3) < 0)
+ str_size5) < 0)
{
Error(ERR_WARN, "cannot pipe to child process -- no sounds");
audio.sound_available = audio.sound_enabled = FALSE;
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;
+ unsigned long str_size1, str_size2, str_size3, str_size4, str_size5;
+ static char *set_identifier = NULL;
+ boolean *override_level_artwork = (snd_ctrl->state & SND_CTRL_RELOAD_SOUNDS ?
+ &setup.override_level_sounds :
+ &setup.override_level_music);
- if (set_name)
- free(set_name);
+ if (set_identifier)
+ free(set_identifier);
- set_name = checked_malloc(snd_ctrl->data_len);
+ set_identifier = 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 (leveldir_current->sounds_path != NULL)
+ free(leveldir_current->sounds_path);
+ if (leveldir_current->music_path != NULL)
+ free(leveldir_current->music_path);
if (ti->basepath != NULL)
free(ti->basepath);
if (ti->fullpath != NULL)
free(ti->fullpath);
- if (read(audio.mixer_pipe[0], set_name,
+ if (read(audio.mixer_pipe[0], set_identifier,
snd_ctrl->data_len) != snd_ctrl->data_len ||
+ read(audio.mixer_pipe[0], override_level_artwork,
+ sizeof(boolean)) != sizeof(boolean) ||
read(audio.mixer_pipe[0], leveldir_current,
sizeof(TreeInfo)) != sizeof(TreeInfo) ||
read(audio.mixer_pipe[0], ti,
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) ||
+ read(audio.mixer_pipe[0], &str_size4,
+ sizeof(unsigned long)) != sizeof(unsigned long) ||
+ read(audio.mixer_pipe[0], &str_size5,
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);
+ leveldir_current->sounds_path = checked_calloc(str_size2);
+ leveldir_current->music_path = checked_calloc(str_size3);
+ ti->basepath = checked_calloc(str_size4);
+ ti->fullpath = checked_calloc(str_size5);
if (read(audio.mixer_pipe[0], leveldir_current->fullpath,
str_size1) != str_size1 ||
- read(audio.mixer_pipe[0], ti->basepath,
+ read(audio.mixer_pipe[0], leveldir_current->sounds_path,
str_size2) != str_size2 ||
+ read(audio.mixer_pipe[0], leveldir_current->music_path,
+ str_size3) != str_size3 ||
+ read(audio.mixer_pipe[0], ti->basepath,
+ str_size4) != str_size4 ||
read(audio.mixer_pipe[0], ti->fullpath,
- str_size3) != str_size3)
+ str_size5) != str_size5)
Error(ERR_EXIT_SOUND_SERVER, "broken pipe -- no sounds");
if (snd_ctrl->state & SND_CTRL_RELOAD_SOUNDS)
- artwork.sounds_set_current = set_name;
+ artwork.snd_current_identifier = set_identifier;
else
- artwork.music_set_current = set_name;
+ artwork.mus_current_identifier = set_identifier;
}
#endif /* AUDIO_UNIX_NATIVE */
{
SoundInfo *snd_info;
int i, k;
+ int num_sounds = getSoundListSize();
#if 0
- printf("NEW SOUND %d HAS ARRIVED [%d]\n", snd_ctrl.nr, num_sounds);
-#endif
-
-#if 0
- printf("%d ACTIVE CHANNELS\n", mixer_active_channels);
+ printf("NEW SOUND %d ARRIVED [%d] [%d ACTIVE CHANNELS]\n",
+ snd_ctrl.nr, num_sounds, mixer_active_channels);
#endif
if (IS_MUSIC(snd_ctrl))
+ {
+ if (num_music == 0)
+ return;
+
snd_ctrl.nr = snd_ctrl.nr % num_music;
+ }
else if (snd_ctrl.nr >= num_sounds)
return;
+#if 0
snd_info = (IS_MUSIC(snd_ctrl) ? Music[snd_ctrl.nr] : Sound[snd_ctrl.nr]);
+#else
+ snd_info = (IS_MUSIC(snd_ctrl) ? Music[snd_ctrl.nr] :
+ getSoundInfoEntryFromSoundID(snd_ctrl.nr));
+#endif
+
if (snd_info == NULL)
return;
/* 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.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))
{
-#if 0
- printf("PLAY MUSIC WITH VOLUME/STEREO %d/%d\n",
- snd_ctrl.volume, snd_ctrl.stereo_position);
-#endif
+ Mixer_StopMusicChannel();
mixer[audio.music_channel] = snd_ctrl;
Mixer_PlayMusicChannel();
return;
}
- /* check if sound is already being played (and how often) */
+ /* 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 && mixer[i].nr == snd_ctrl.nr)
+ if (mixer[i].active && SAME_SOUND_DATA(mixer[i], snd_ctrl))
k++;
#if 0
{
for(i=audio.first_sound_channel; i<audio.num_channels; i++)
{
- if (mixer[i].active && mixer[i].nr == snd_ctrl.nr)
+ if (mixer[i].active && SAME_SOUND_DATA(mixer[i], snd_ctrl))
{
#if 0
printf("RESETTING EXPIRATION FOR SOUND %d\n", snd_ctrl.nr);
return;
}
+#if 0
+ printf("PLAYING NEW SOUND %d\n", snd_ctrl.nr);
+#endif
+
/* don't play sound more than n times simultaneously (with n == 2 for now) */
if (k >= 2)
{
int playing_time = playing_current - mixer[i].playing_starttime;
int actual;
- if (!mixer[i].active || mixer[i].nr != snd_ctrl.nr)
+ if (!mixer[i].active || !SAME_SOUND_NR(mixer[i], snd_ctrl))
continue;
actual = 1000 * playing_time / mixer[i].data_len;
of the channel's sound sample when compiling with the SDL mixer
library, we use the current playing time (in milliseconds) instead. */
+#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++)
+ {
+ if (!mixer[i].active)
+ {
+ Error(ERR_RETURN, "Mixer_InsertSound: Channel %d inactive", i);
+ Error(ERR_RETURN, "Mixer_InsertSound: This should never happen!");
+
+ mixer_active_channels--;
+ }
+ }
+ }
+#endif
+
if (mixer_active_channels ==
audio.num_channels - (mixer[audio.music_channel].active ? 0 : 1))
{
unsigned long playing_current = Counter();
int longest = 0, longest_nr = audio.first_sound_channel;
+#if 0
+#if DEBUG
+ /* print some debugging information about audio channel usage */
+ for (i=audio.first_sound_channel; i<audio.num_channels; i++)
+ {
+ Error(ERR_RETURN, "Mixer_InsertSound: %d [%d]: %ld (%ld)",
+ i, mixer[i].active, mixer[i].data_len, (long)mixer[i].data_ptr);
+ }
+#endif
+#endif
+
for (i=audio.first_sound_channel; i<audio.num_channels; i++)
{
int playing_time = playing_current - mixer[i].playing_starttime;
}
/* add the new sound to the mixer */
- for(i=0; i<audio.num_channels; i++)
+ 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 defined(AUDIO_UNIX_NATIVE)
if (snd_info->data_len == 0)
{
printf("THIS SHOULD NEVER HAPPEN! [snd_info->data_len == 0]\n");
}
#endif
-#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
mixer[i] = snd_ctrl;
Mixer_PlayChannel(i);
int i;
#if defined(AUDIO_UNIX_NATIVE)
- if (IS_PARENT_PROCESS(audio.mixer_pid))
+ if (IS_PARENT_PROCESS())
{
SendSoundControlToMixerProcess(&snd_ctrl);
return;
}
for(i=audio.first_sound_channel; i<audio.num_channels; i++)
- if (mixer[i].nr == snd_ctrl.nr || ALL_SOUNDS(snd_ctrl))
+ 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 */
}
for(i=audio.first_sound_channel; i<audio.num_channels; i++)
- if (mixer[i].nr == snd_ctrl.nr || ALL_SOUNDS(snd_ctrl))
+ if (SAME_SOUND_NR(mixer[i], snd_ctrl) || ALL_SOUNDS(snd_ctrl))
Mixer_StopChannel(i);
#if defined(AUDIO_UNIX_NATIVE)
static void CopySampleToMixingBuffer(SoundControl *snd_ctrl,
int sample_pos, int sample_size,
- short *buffer_ptr)
+ short *buffer_base_ptr, int buffer_pos,
+ int num_output_channels)
{
- void *sample_ptr = snd_ctrl->data_ptr;
- int i;
+ short *buffer_ptr = buffer_base_ptr + num_output_channels * buffer_pos;
+ int num_channels = snd_ctrl->num_channels;
+ int stepsize = num_channels;
+ int output_stepsize = num_output_channels;
+ int i, j;
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;
+ {
+ byte *sample_ptr = (byte *)snd_ctrl->data_ptr + num_channels * sample_pos;
+
+ for (i=0; i<num_output_channels; i++)
+ {
+ int offset = (snd_ctrl->num_channels == 1 ? 0 : i);
+
+ for (j=0; j<sample_size; j++)
+ buffer_ptr[output_stepsize * j + i] =
+ ((short)(sample_ptr[stepsize * j + offset] ^ 0x80)) << 8;
+ }
+ }
else /* AUDIO_FORMAT_S16 */
- for (i=0; i<sample_size; i++)
- *buffer_ptr++ =
- ((short *)sample_ptr)[sample_pos + i];
+ {
+ short *sample_ptr= (short *)snd_ctrl->data_ptr + num_channels * sample_pos;
+
+ for (i=0; i<num_output_channels; i++)
+ {
+ int offset = (snd_ctrl->num_channels == 1 ? 0 : i);
+
+ for (j=0; j<sample_size; j++)
+ buffer_ptr[output_stepsize * j + i] =
+ sample_ptr[stepsize * j + offset];
+ }
+ }
}
#if defined(AUDIO_STREAMING_DSP)
static void Mixer_Main_DSP()
{
- 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];
+ static short premix_first_buffer[DEFAULT_AUDIO_FRAGMENT_SIZE];
+ static long premix_last_buffer[DEFAULT_AUDIO_FRAGMENT_SIZE];
+ static byte playing_buffer[DEFAULT_AUDIO_FRAGMENT_SIZE];
boolean stereo;
int fragment_size;
int sample_bytes;
int max_sample_size;
+ int num_output_channels;
int i, j;
if (!mixer_active_channels)
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);
+ num_output_channels = (stereo ? 2 : 1);
+ max_sample_size = fragment_size / (num_output_channels * sample_bytes);
/* first clear the last premixing buffer */
memset(premix_last_buffer, 0,
- max_sample_size * (stereo ? 2 : 1) * sizeof(long));
+ max_sample_size * num_output_channels * sizeof(long));
for(i=0; i<audio.num_channels; i++)
{
/* copy original sample to first mixing buffer */
CopySampleToMixingBuffer(&mixer[i], sample_pos, sample_size,
- premix_first_buffer);
+ premix_first_buffer, 0, num_output_channels);
/* are we about to restart a looping sound? */
if (IS_LOOP(mixer[i]) && 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];
+ CopySampleToMixingBuffer(&mixer[i], 0, restarted_sample_size,
+ premix_first_buffer, sample_size,
+ num_output_channels);
mixer[i].playing_pos = restarted_sample_size;
sample_size += restarted_sample_size;
/* adjust volume of actual sound sample */
if (mixer[i].volume != SOUND_MAX_VOLUME)
- for(j=0; j<sample_size; j++)
+ for(j=0; j<sample_size * num_output_channels; j++)
premix_first_buffer[j] =
mixer[i].volume * (long)premix_first_buffer[j] / SOUND_MAX_VOLUME;
- /* fill the last mixing buffer with stereo or mono sound */
+ /* adjust left and right channel volume due to stereo sound position */
if (stereo)
{
int left_volume = SOUND_VOLUME_LEFT(mixer[i].stereo_position);
for(j=0; j<sample_size; j++)
{
- premix_left_buffer[j] =
- left_volume * premix_first_buffer[j] / SOUND_MAX_LEFT2RIGHT;
- premix_right_buffer[j] =
- right_volume * premix_first_buffer[j] / SOUND_MAX_LEFT2RIGHT;
-
- premix_last_buffer[2 * j + 0] += premix_left_buffer[j];
- premix_last_buffer[2 * j + 1] += premix_right_buffer[j];
+ premix_first_buffer[2 * j + 0] =
+ left_volume * premix_first_buffer[2 * j + 0] / SOUND_MAX_LEFT2RIGHT;
+ premix_first_buffer[2 * j + 1] =
+ right_volume * premix_first_buffer[2 * j + 1] / SOUND_MAX_LEFT2RIGHT;
}
}
- else
- {
- for(j=0; j<sample_size; j++)
- premix_last_buffer[j] += premix_first_buffer[j];
- }
+
+ /* fill the last mixing buffer with stereo or mono sound */
+ for(j=0; j<sample_size * num_output_channels; j++)
+ premix_last_buffer[j] += premix_first_buffer[j];
/* delete completed sound entries from the mixer */
if (mixer[i].playing_pos >= mixer[i].data_len)
}
/* prepare final playing buffer according to system audio format */
- for(i=0; i<max_sample_size * (stereo ? 2 : 1); i++)
+ for(i=0; i<max_sample_size * num_output_channels; i++)
{
/* cut off at 17 bit value */
if (premix_last_buffer[i] < -65535)
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;
+ static short premix_first_buffer[DEFAULT_AUDIO_FRAGMENT_SIZE];
+ static byte playing_buffer[DEFAULT_AUDIO_FRAGMENT_SIZE];
+ int max_sample_size = DEFAULT_AUDIO_FRAGMENT_SIZE;
+ int num_output_channels = 1;
void *sample_ptr;
int sample_len;
int sample_pos;
/* copy original sample to first mixing buffer */
CopySampleToMixingBuffer(&mixer[i], sample_pos, sample_size,
- premix_first_buffer);
+ premix_first_buffer, 0, num_output_channels);
/* adjust volume of actual sound sample */
if (mixer[i].volume != SOUND_MAX_VOLUME)
mixer[i].volume * (long)premix_first_buffer[j] / SOUND_MAX_VOLUME;
/* might be needed for u-law /dev/audio */
-#if 0
+#if 1
for(j=0; j<sample_size; j++)
playing_buffer[j] =
linear_to_ulaw(premix_first_buffer[j]);
#define CHUNK_ID_LEN 4 /* IFF style chunk id length */
#define WAV_HEADER_SIZE 16 /* size of WAV file header */
-static SoundInfo *Load_WAV(char *filename)
+static void *Load_WAV(char *filename)
{
SoundInfo *snd_info;
#if defined(AUDIO_UNIX_NATIVE)
#endif
char chunk_name[CHUNK_ID_LEN + 1];
int chunk_size;
+ int data_byte_len;
FILE *file;
#endif
return NULL;
}
- if (header.num_channels != 1)
+ if (header.num_channels != 1 &&
+ header.num_channels != 2)
{
Error(ERR_WARN, "sound file '%s': number of %d channels not supported",
filename, header.num_channels);
return NULL;
}
- if (header.bits_per_sample != 8 && header.bits_per_sample != 16)
+ if (header.bits_per_sample != 8 &&
+ header.bits_per_sample != 16)
{
Error(ERR_WARN, "sound file '%s': %d bits per sample not supported",
filename, header.bits_per_sample);
}
else if (strcmp(chunk_name, "data") == 0)
{
- snd_info->data_len = chunk_size;
+ data_byte_len = chunk_size;
+
+ snd_info->data_len = data_byte_len;
snd_info->data_ptr = checked_malloc(snd_info->data_len);
/* read sound data */
return NULL;
}
- /* check for odd number of sample bytes (data chunk is word aligned) */
- if ((chunk_size % 2) == 1)
+ /* check for odd number of data bytes (data chunk is word aligned) */
+ if ((data_byte_len % 2) == 1)
ReadUnusedBytesFromFile(file, 1);
}
else /* unknown chunk -- ignore */
snd_info->data_len /= 2; /* correct number of samples */
}
+ snd_info->num_channels = header.num_channels;
+ if (header.num_channels == 2)
+ snd_info->data_len /= 2; /* correct number of samples */
+
+#if 0
+ if (header.num_channels == 1) /* convert mono sound to stereo */
+ {
+ void *buffer_ptr = checked_malloc(data_byte_len * 2);
+ void *sample_ptr = snd_info->data_ptr;
+ int sample_size = snd_info->data_len;
+ int i;
+
+ if (snd_ctrl->format == AUDIO_FORMAT_U8)
+ for (i=0; i<sample_size; i++)
+ *buffer_ptr++ =
+ ((short)(((byte *)sample_ptr)[i] ^ 0x80)) << 8;
+ else /* AUDIO_FORMAT_S16 */
+ for (i=0; i<sample_size; i++)
+ *buffer_ptr++ =
+ ((short *)sample_ptr)[i];
+ }
+#endif
+
#endif /* AUDIO_UNIX_NATIVE */
snd_info->type = SND_TYPE_WAV;
return snd_info;
}
-static void deleteSoundEntry(SoundInfo **snd_info)
+int getSoundListSize()
{
- if (*snd_info)
- {
- char *filename = (*snd_info)->source_filename;
+ return (sound_info->num_file_list_entries +
+ sound_info->num_dynamic_file_list_entries);
+}
-#if 0
- printf("[decrementing reference counter of sound '%s']\n", filename);
-#endif
+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);
- if (--(*snd_info)->num_references <= 0)
- {
-#if 0
- printf("[deleting sound '%s']\n", filename);
-#endif
+ return (pos < num_list_entries ? &sound_info->file_list[list_pos] :
+ &sound_info->dynamic_file_list[list_pos]);
+}
- /*
- FreeSound(*snd_info);
- */
- deleteNodeFromList(&SoundFileList, filename, FreeSound);
- }
+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);
- *snd_info = NULL;
- }
+ return snd_info[list_pos];
}
-static void replaceSoundEntry(SoundInfo **snd_info, char *filename)
+int getSoundListPropertyMappingSize()
{
- ListNode *node;
+ return sound_info->num_property_mapping_entries;
+}
- /* 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. */
+struct PropertyMapping *getSoundListPropertyMapping()
+{
+ return sound_info->property_mapping;
+}
-#if 0
- printf("[sound '%s' already exists (same list entry)]\n", filename);
-#endif
+void InitSoundList(struct ConfigInfo *config_list, int num_file_list_entries,
+ struct ConfigInfo *config_suffix_list,
+ char **base_prefixes, char **ext1_suffixes,
+ char **ext2_suffixes, char **ext3_suffixes,
+ char **ignore_tokens)
+{
+ int i;
- return;
- }
+ sound_info = checked_calloc(sizeof(struct ArtworkListInfo));
+ sound_info->type = ARTWORK_TYPE_SOUNDS;
- /* delete existing sound file entry */
- deleteSoundEntry(snd_info);
+ /* ---------- initialize file list and suffix lists ---------- */
- /* 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
+ sound_info->num_file_list_entries = num_file_list_entries;
+ sound_info->num_dynamic_file_list_entries = 0;
- *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);
- }
-}
+ sound_info->file_list =
+ getFileListFromConfigList(config_list, config_suffix_list, ignore_tokens,
+ num_file_list_entries);
+ sound_info->dynamic_file_list = NULL;
-static void LoadCustomSound(SoundInfo **snd_info, char *basename)
-{
- char *filename = getCustomSoundFilename(basename);
+ sound_info->num_suffix_list_entries = 0;
+ for (i=0; config_suffix_list[i].token != NULL; i++)
+ sound_info->num_suffix_list_entries++;
-#if 0
- printf("GOT CUSTOM SOUND FILE '%s'\n", filename);
-#endif
+ sound_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;
- }
+ sound_info->num_base_prefixes = 0;
+ for (i=0; base_prefixes[i] != NULL; i++)
+ sound_info->num_base_prefixes++;
- replaceSoundEntry(snd_info, filename);
-}
+ sound_info->num_ext1_suffixes = 0;
+ for (i=0; ext1_suffixes[i] != NULL; i++)
+ sound_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 *));
+ sound_info->num_ext2_suffixes = 0;
+ for (i=0; ext2_suffixes[i] != NULL; i++)
+ sound_info->num_ext2_suffixes++;
- sound_effect = sounds_list;
- num_sounds = num_list_entries;
-}
+ sound_info->num_ext3_suffixes = 0;
+ for (i=0; ext3_suffixes[i] != NULL; i++)
+ sound_info->num_ext3_suffixes++;
-void LoadSoundToList(char *basename, int list_pos)
-{
- if (Sound == NULL || list_pos >= num_sounds)
- return;
+ sound_info->num_ignore_tokens = 0;
+ for (i=0; ignore_tokens[i] != NULL; i++)
+ sound_info->num_ignore_tokens++;
-#if 0
- printf("loading sound '%s' ... [%d]\n",
- basename, getNumNodes(SoundFileList));
-#endif
+ 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;
- LoadCustomSound(&Sound[list_pos], basename);
+ sound_info->num_property_mapping_entries = 0;
+
+ sound_info->property_mapping = NULL;
+
+ /* ---------- initialize artwork reference and content lists ---------- */
+
+ sound_info->sizeof_artwork_list_entry = sizeof(SoundInfo *);
+
+ sound_info->artwork_list =
+ checked_calloc(num_file_list_entries * sizeof(SoundInfo *));
+ sound_info->dynamic_artwork_list = NULL;
+
+ sound_info->content_list = NULL;
+
+ /* ---------- initialize artwork loading/freeing functions ---------- */
+
+ sound_info->load_artwork = Load_WAV;
+ sound_info->free_artwork = FreeSound;
#if 0
- printf("loading sound '%s' done [%d]\n",
- basename, getNumNodes(SoundFileList));
+ num_sounds = sound_info->num_file_list_entries;
+ Sound = (SoundInfo **)sound_info->artwork_list;
#endif
}
void LoadCustomMusic(void)
{
static boolean draw_init_text = TRUE; /* only draw at startup */
+ static char *last_music_directory = NULL;
char *music_directory = getCustomMusicDirectory();
DIR *dir;
struct dirent *dir_entry;
if (!audio.sound_available)
return;
+ if (last_music_directory != NULL &&
+ strcmp(last_music_directory, music_directory) == 0)
+ 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();
+
if ((dir = opendir(music_directory)) == NULL)
{
Error(ERR_WARN, "cannot read music directory '%s'", music_directory);
char *filename = getPath2(music_directory, basename);
MusicInfo *mus_info = NULL;
+#if 0
+ printf("DEBUG: loading music '%s' ...\n", basename);
+#endif
+
if (draw_init_text)
DrawInitText(basename, 150, FC_YELLOW);
{
num_music++;
Music = checked_realloc(Music, num_music * sizeof(MusicInfo *));
- Music[num_music -1] = mus_info;
+ Music[num_music - 1] = mus_info;
}
}
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 *))
-{
- 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;
-
-#if 0
- printf("GOT CUSTOM SOUND CONFIG FILE '%s'\n", filename);
-#endif
-
- /* always start with reliable default values */
- for (i=0; i<num_sounds; i++)
- sound_effect[i].filename = NULL;
-
- if (filename == NULL)
- 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));
-
- freeSetupFileList(setup_file_list);
-
-#if 0
- 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
- }
-}
-
static void ReloadCustomSounds()
{
- static boolean draw_init_text = TRUE; /* only draw at startup */
- int i;
-
-#if 0
- printf("DEBUG: reloading sounds '%s' ...\n", artwork.sounds_set_current);
-#endif
-
- LoadSoundsInfo();
-
- if (draw_init_text)
- DrawInitText("Loading sounds:", 120, FC_GREEN);
-
#if 0
- printf("DEBUG: reloading %d sounds ...\n", num_sounds);
+ printf("DEBUG: reloading sounds '%s' ...\n", artwork.snd_current_identifier);
#endif
- for(i=0; i<num_sounds; i++)
- {
- if (draw_init_text)
- DrawInitText(sound_effect[i].text, 150, FC_YELLOW);
-
- if (sound_effect[i].filename)
- LoadSoundToList(sound_effect[i].filename, i);
- else
- LoadSoundToList(sound_effect[i].default_filename, i);
- }
-
- draw_init_text = FALSE;
-
- /*
- printf("list size == %d\n", getNumNodes(SoundFileList));
- */
+ LoadArtworkConfig(sound_info);
+ ReloadCustomArtworkList(sound_info);
#if 0
- dumpList(SoundFileList);
+ num_sounds = getSoundListSize();
#endif
}
static void ReloadCustomMusic()
{
#if 0
- printf("DEBUG: reloading music '%s' ...\n", artwork.music_set_current);
+ printf("DEBUG: reloading music '%s' ...\n", artwork.mus_current_identifier);
#endif
- FreeAllMusic();
-
LoadCustomMusic();
}
-void InitReloadSounds(char *set_name)
+void InitReloadCustomSounds(char *set_identifier)
{
if (!audio.sound_available)
return;
#if defined(AUDIO_UNIX_NATIVE)
- WriteReloadInfoToPipe(set_name, SND_CTRL_RELOAD_SOUNDS);
+ LoadArtworkConfig(sound_info); /* also load config on sound client */
+ WriteReloadInfoToPipe(set_identifier, SND_CTRL_RELOAD_SOUNDS);
#else
ReloadCustomSounds();
#endif
}
-void InitReloadMusic(char *set_name)
+void InitReloadCustomMusic(char *set_identifier)
{
if (!audio.music_available)
return;
#if defined(AUDIO_UNIX_NATIVE)
- WriteReloadInfoToPipe(set_name, SND_CTRL_RELOAD_MUSIC);
+ WriteReloadInfoToPipe(set_identifier, SND_CTRL_RELOAD_MUSIC);
#else
ReloadCustomMusic();
#endif
void FreeAllSounds()
{
- int i;
-
- if (Sound == NULL)
- return;
-
-#if 0
- printf("%s: FREEING SOUNDS ...\n",
- IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT");
-#endif
-
- for(i=0; i<num_sounds; i++)
- deleteSoundEntry(&Sound[i]);
- /*
- FreeSound(Sound[i]);
- */
-
-#if 0
- printf("%s: FREEING SOUNDS -- DONE\n",
- IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT");
-#endif
-
- free(Sound);
-
- Sound = NULL;
- num_sounds = 0;
+ FreeCustomArtworkLists(sound_info);
}
void FreeAllMusic()