#include "sound.h"
#include "misc.h"
-#ifdef MSDOS
-extern void sound_handler(struct SoundControl);
-#endif
-
/*** THE STUFF BELOW IS ONLY USED BY THE SOUND SERVER CHILD PROCESS ***/
-#ifndef MSDOS
+static int playing_sounds = 0;
static struct SoundControl playlist[MAX_SOUNDS_PLAYING];
static struct SoundControl emptySoundControl =
{
-1,0,0, FALSE,FALSE,FALSE,FALSE,FALSE, 0,0L,0L,NULL
};
+
+#ifndef MSDOS
static int stereo_volume[PSND_MAX_LEFT2RIGHT+1];
static char premix_first_buffer[SND_BLOCKSIZE];
+#ifdef VOXWARE
static char premix_left_buffer[SND_BLOCKSIZE];
static char premix_right_buffer[SND_BLOCKSIZE];
static int premix_last_buffer[SND_BLOCKSIZE];
+#endif /* VOXWARE */
static unsigned char playing_buffer[SND_BLOCKSIZE];
-static int playing_sounds = 0;
-#else
-struct SoundControl playlist[MAX_SOUNDS_PLAYING];
-struct SoundControl emptySoundControl;
-int playing_sounds;
+#endif /* MSDOS */
+
+/* forward declaration of internal functions */
+#ifdef VOXWARE
+static void SoundServer_InsertNewSound(struct SoundControl);
+#endif
+#ifndef VOXWARE
+#ifndef MSDOS
+static unsigned char linear_to_ulaw(int);
+static int ulaw_to_linear(unsigned char);
+#endif
+#endif
+#ifdef HPUX_AUDIO
+static void HPUX_Audio_Control();
+#endif
+#ifdef MSDOS
+static void SoundServer_InsertNewSound(struct SoundControl);
+static void SoundServer_StopSound(int);
+static void SoundServer_StopAllSounds();
#endif
void SoundServer()
FD_ZERO(&sound_fdset);
FD_SET(sound_pipe[0], &sound_fdset);
- for(;;) /* wait for calls from PlaySound(), StopSound(), ... */
+ while(1) /* wait for sound playing commands from client */
{
FD_SET(sound_pipe[0], &sound_fdset);
select(sound_pipe[0]+1, &sound_fdset, NULL, NULL, NULL);
if (!FD_ISSET(sound_pipe[0], &sound_fdset))
continue;
if (read(sound_pipe[0], &snd_ctrl, sizeof(snd_ctrl)) != sizeof(snd_ctrl))
- Error(ERR_EXIT_SOUNDSERVER, "broken pipe - no sounds");
+ Error(ERR_EXIT_SOUND_SERVER, "broken pipe - no sounds");
#ifdef VOXWARE
if (playing_sounds || snd_ctrl.active)
{
struct timeval delay = { 0, 0 };
- char *sample_ptr;
- long sample_size, max_sample_size;
- long fragment_size;
- boolean stereo;
+ byte *sample_ptr;
+ long sample_size;
+ static long max_sample_size = 0;
+ static long fragment_size = 0;
+ /* Even if the stereo flag is used as being boolean, it must be
+ defined as an integer, else 'ioctl()' will fail! */
+ int stereo = TRUE;
+ int sample_rate = 8000;
if (playing_sounds || (sound_device=open(sound_device_name,O_WRONLY))>=0)
{
/* 2 buffers / 512 bytes, giving 1/16 second resolution */
/* (with stereo the effective buffer size will shrink to 256) */
fragment_size = 0x00020009;
- ioctl(sound_device, SNDCTL_DSP_SETFRAGMENT, &fragment_size);
+
+ if (ioctl(sound_device, SNDCTL_DSP_SETFRAGMENT, &fragment_size) < 0)
+ Error(ERR_EXIT_SOUND_SERVER,
+ "cannot set fragment size of /dev/dsp - no sounds");
+
/* try if we can use stereo sound */
- stereo = TRUE;
- ioctl(sound_device, SNDCTL_DSP_STEREO, &stereo);
+ if (ioctl(sound_device, SNDCTL_DSP_STEREO, &stereo) < 0)
+ {
+#ifdef DEBUG
+ static boolean reported = FALSE;
+
+ if (!reported)
+ {
+ Error(ERR_RETURN, "cannot get stereo sound on /dev/dsp");
+ reported = TRUE;
+ }
+#endif
+ stereo = FALSE;
+ }
+
+ if (ioctl(sound_device, SNDCTL_DSP_SPEED, &sample_rate) < 0)
+ Error(ERR_EXIT_SOUND_SERVER,
+ "cannot set sample rate of /dev/dsp - no sounds");
+
/* get the real fragmentation size; this should return 512 */
- ioctl(sound_device, SNDCTL_DSP_GETBLKSIZE, &fragment_size);
+ if (ioctl(sound_device, SNDCTL_DSP_GETBLKSIZE, &fragment_size) < 0)
+ Error(ERR_EXIT_SOUND_SERVER,
+ "cannot get fragment size of /dev/dsp - no sounds");
+
max_sample_size = fragment_size / (stereo ? 2 : 1);
}
}
}
-#else /* von '#ifdef VOXWARE' */
+#else /* !VOXWARE */
if (snd_ctrl.active && !snd_ctrl.loop)
{
struct timeval delay = { 0, 0 };
- char *sample_ptr;
+ byte *sample_ptr;
long sample_size, max_sample_size = SND_BLOCKSIZE;
long sample_rate = 8000; /* standard "/dev/audio" sampling rate */
int wait_percent = 90; /* wait 90% of the real playing time */
FD_SET(sound_pipe[0], &sound_fdset);
/* get pointer and size of the actual sound sample */
- sample_ptr = snd_ctrl.data_ptr+snd_ctrl.playingpos;
+ sample_ptr = snd_ctrl.data_ptr + snd_ctrl.playingpos;
sample_size =
- MIN(max_sample_size,snd_ctrl.data_len-snd_ctrl.playingpos);
+ MIN(max_sample_size, snd_ctrl.data_len - snd_ctrl.playingpos);
snd_ctrl.playingpos += sample_size;
/* fill the first mixing buffer with original sample */
}
}
-#endif /* von '#ifdef VOXWARE' */
+#endif /* !VOXWARE */
}
-#endif
+#endif /* !MSDOS */
}
-void SoundServer_InsertNewSound(struct SoundControl snd_ctrl)
+#ifdef MSDOS
+static void sound_handler(struct SoundControl snd_ctrl)
+{
+ int i;
+
+ if (snd_ctrl.fade_sound)
+ {
+ if (!playing_sounds)
+ return;
+
+ for (i=0; i<MAX_SOUNDS_PLAYING; i++)
+ if ((snd_ctrl.stop_all_sounds || playlist[i].nr == snd_ctrl.nr) &&
+ !playlist[i].fade_sound)
+ {
+ playlist[i].fade_sound = TRUE;
+ if (voice_check(playlist[i].voice))
+ voice_ramp_volume(playlist[i].voice, 1000, 0);
+ playlist[i].loop = PSND_NO_LOOP;
+ }
+ }
+ else if (snd_ctrl.stop_all_sounds)
+ {
+ if (!playing_sounds)
+ return;
+ SoundServer_StopAllSounds();
+ }
+ else if (snd_ctrl.stop_sound)
+ {
+ if (!playing_sounds)
+ return;
+ SoundServer_StopSound(snd_ctrl.nr);
+ }
+
+ for (i=0; i<MAX_SOUNDS_PLAYING; i++)
+ {
+ if (!playlist[i].active || playlist[i].loop)
+ continue;
+
+ playlist[i].playingpos = voice_get_position(playlist[i].voice);
+ playlist[i].volume = voice_get_volume(playlist[i].voice);
+ if (playlist[i].playingpos == -1 || !playlist[i].volume)
+ {
+ deallocate_voice(playlist[i].voice);
+ playlist[i] = emptySoundControl;
+ playing_sounds--;
+ }
+ }
+
+ if (snd_ctrl.active)
+ SoundServer_InsertNewSound(snd_ctrl);
+}
+#endif /* MSDOS */
+
+static void SoundServer_InsertNewSound(struct SoundControl snd_ctrl)
{
- int i,k;
+ int i, k;
- /* wenn voll, ältesten Sound 'rauswerfen */
+ /* if playlist is full, remove oldest sound */
if (playing_sounds==MAX_SOUNDS_PLAYING)
{
int longest=0, longest_nr=0;
playing_sounds--;
}
- /* nachsehen, ob (und ggf. wie oft) Sound bereits gespielt wird */
+ /* check if sound is already being played (and how often) */
for(k=0,i=0;i<MAX_SOUNDS_PLAYING;i++)
{
if (playlist[i].nr == snd_ctrl.nr)
k++;
}
- /* falls Sound-Loop: nur neu beginnen, wenn Sound gerade ausklingt */
+ /* restart loop sounds only if they are just fading out */
if (k>=1 && snd_ctrl.loop)
{
for(i=0;i<MAX_SOUNDS_PLAYING;i++)
return;
}
- /* keinen Sound mehr als n mal gleichzeitig spielen (momentan n==2) */
+ /* don't play sound more than n times simultaneously (with n == 2 for now) */
if (k>=2)
{
int longest=0, longest_nr=0;
- /* den bereits am längsten gespielten (gleichen) Sound suchen */
+ /* look for oldest equal sound */
for(i=0;i<MAX_SOUNDS_PLAYING;i++)
{
int actual;
}
*/
-void SoundServer_StopSound(int nr)
+#ifdef MSDOS
+static void SoundServer_StopSound(int nr)
{
int i;
#endif
}
-void SoundServer_StopAllSounds()
+static void SoundServer_StopAllSounds()
{
int i;
close(sound_device);
#endif
}
+#endif /* MSDOS */
#ifdef HPUX_AUDIO
-void HPUX_Audio_Control()
+static void HPUX_Audio_Control()
{
struct audio_describe ainfo;
int audio_ctl;
audio_ctl = open("/dev/audioCtl", O_WRONLY | O_NDELAY);
if (audio_ctl == -1)
- Error(ERR_EXIT_SOUNDSERVER, "cannot open /dev/audioCtl - no sounds");
+ Error(ERR_EXIT_SOUND_SERVER, "cannot open /dev/audioCtl - no sounds");
if (ioctl(audio_ctl, AUDIO_DESCRIBE, &ainfo) == -1)
- Error(ERR_EXIT_SOUNDSERVER, "no audio info - no sounds");
+ Error(ERR_EXIT_SOUND_SERVER, "no audio info - no sounds");
if (ioctl(audio_ctl, AUDIO_SET_DATA_FORMAT, AUDIO_FORMAT_ULAW) == -1)
- Error(ERR_EXIT_SOUNDSERVER, "ulaw audio not available - no sounds");
+ Error(ERR_EXIT_SOUND_SERVER, "ulaw audio not available - no sounds");
ioctl(audio_ctl, AUDIO_SET_CHANNELS, 1);
ioctl(audio_ctl, AUDIO_SET_SAMPLE_RATE, 8000);
}
#endif /* HPUX_AUDIO */
+#ifndef VOXWARE
+#ifndef MSDOS
/* these two are stolen from "sox"... :) */
/*
#define BIAS 0x84 /* define the add-in bias for 16 bit samples */
#define CLIP 32635
-unsigned char linear_to_ulaw(int sample)
+static unsigned char linear_to_ulaw(int sample)
{
static int exp_lut[256] =
{
** Output: signed 16 bit linear sample
*/
-int ulaw_to_linear(unsigned char ulawbyte)
+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;
return(sample);
}
+#endif /* !MSDOS */
+#endif /* !VOXWARE */
/*** THE STUFF ABOVE IS ONLY USED BY THE SOUND SERVER CHILD PROCESS ***/
/*** THE STUFF BELOW IS ONLY USED BY THE MAIN PROCESS ***/
+#ifndef MSDOS
static unsigned long be2long(unsigned long *be) /* big-endian -> longword */
{
unsigned char *ptr = (unsigned char *)be;
return(ptr[0]<<24 | ptr[1]<<16 | ptr[2]<<8 | ptr[3]);
}
+static unsigned long le2long(unsigned long *be) /* little-endian -> longword */
+{
+ unsigned char *ptr = (unsigned char *)be;
+
+ return(ptr[3]<<24 | ptr[2]<<16 | ptr[1]<<8 | ptr[0]);
+}
+#endif /* !MSDOS */
+
boolean LoadSound(struct SoundInfo *snd_info)
{
+ char filename[256];
+ char *sound_ext = "wav";
+#ifndef MSDOS
+ struct SoundHeader_WAV *sound_header;
FILE *file;
+ int i;
+#endif
+
+ sprintf(filename, "%s/%s/%s.%s",
+ options.base_directory, SOUNDS_DIRECTORY, snd_info->name, sound_ext);
+
+#ifndef MSDOS
+
+ if ((file = fopen(filename, "r")) == NULL)
+ {
+ Error(ERR_WARN, "cannot open sound file '%s' - no sounds", filename);
+ return(FALSE);
+ }
+
+ if (fseek(file, 0, SEEK_END) < 0)
+ {
+ Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename);
+ fclose(file);
+ return(FALSE);
+ }
+
+ snd_info->file_len = ftell(file);
+ rewind(file);
+
+ snd_info->file_ptr = checked_malloc(snd_info->file_len);
+
+ if (fread(snd_info->file_ptr, 1, snd_info->file_len, file) !=
+ snd_info->file_len)
+ {
+ Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename);
+ fclose(file);
+ return(FALSE);
+ }
+
+ fclose(file);
+
+ sound_header = (struct SoundHeader_WAV *)snd_info->file_ptr;
+
+ if (strncmp(sound_header->magic_RIFF, "RIFF", 4) ||
+ snd_info->file_len != le2long(&sound_header->header_size) + 8 ||
+ strncmp(sound_header->magic_WAVE, "WAVE", 4) ||
+ strncmp(sound_header->magic_DATA, "data", 4) ||
+ snd_info->file_len != le2long(&sound_header->data_size) + 44)
+ {
+ Error(ERR_WARN, "'%s' is not a RIFF/WAVE file or broken - no sounds",
+ filename);
+ return(FALSE);
+ }
+
+ snd_info->data_ptr = snd_info->file_ptr + 44;
+ snd_info->data_len = le2long(&sound_header->data_size);
+
+ for (i=0; i<snd_info->data_len; i++)
+ snd_info->data_ptr[i] = snd_info->data_ptr[i]^0x80;
+
+#else /* MSDOS */
+
+ snd_info->sample_ptr = load_sample(filename);
+ if (!snd_info->sample_ptr)
+ {
+ Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename);
+ return(FALSE);
+ }
+
+#endif /* MSDOS */
+
+ return(TRUE);
+}
+
+boolean LoadSound_8SVX(struct SoundInfo *snd_info)
+{
char filename[256];
#ifndef MSDOS
+ struct SoundHeader_8SVX *sound_header;
+ FILE *file;
+ char *ptr;
char *sound_ext = "8svx";
#else
char *sound_ext = "wav";
#endif
- struct SoundHeader_8SVX *sound_header;
- unsigned char *ptr;
- sprintf(filename,"%s/%s.%s",SND_PATH,snd_info->name,sound_ext);
+ sprintf(filename, "%s/%s/%s.%s",
+ options.base_directory, SOUNDS_DIRECTORY, snd_info->name, sound_ext);
#ifndef MSDOS
if (!(file=fopen(filename,"r")))
return(FALSE);
}
- ptr = snd_info->file_ptr + 12;
+ ptr = (char *)snd_info->file_ptr + 12;
- while(ptr < (unsigned char *)(snd_info->file_ptr + snd_info->file_len))
+ while(ptr < (char *)(snd_info->file_ptr + snd_info->file_len))
{
if (!strncmp(ptr,"VHDR",4))
{
}
else if (!strncmp(ptr,"BODY",4))
{
- snd_info->data_ptr = ptr + 8;
+ snd_info->data_ptr = (byte *)ptr + 8;
snd_info->data_len = be2long((unsigned long *)(ptr + 4));
return(TRUE);
}
}
return(FALSE);
-#else
+#else /* MSDOS */
snd_info->sample_ptr = load_sample(filename);
if(!snd_info->sample_ptr)
{
Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename);
- fclose(file);
return(FALSE);
}
return(TRUE);
-#endif // von #ifndef MSDOS
+#endif /* MSDOS */
}
void PlaySound(int nr)
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