/* one second fading interval == 1000 ticks (milliseconds) */
#define SOUND_FADING_INTERVAL 1000
-#if defined(TARGET_SDL)
-#define SOUND_MAX_VOLUME SDL_MIX_MAXVOLUME
-#endif
-
#if defined(AUDIO_STREAMING_DSP)
-#define SOUND_FADING_VOLUME_STEP (PSND_MAX_VOLUME / 40)
+#define SOUND_FADING_VOLUME_STEP (SOUND_MAX_VOLUME / 40)
#define SOUND_FADING_VOLUME_THRESHOLD (SOUND_FADING_VOLUME_STEP * 2)
#endif
#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])
+
#if 0
struct SoundHeader_SUN
long data_len;
void *data_ptr;
-#if defined(PLATFORM_MSDOS)
+#if defined(TARGET_ALLEGRO)
int voice;
#endif
};
static SoundInfo **Sound = NULL;
static MusicInfo **Music = NULL;
static int num_sounds = 0, num_music = 0;
+static int stereo_volume[SOUND_MAX_LEFT2RIGHT + 1];
/* ========================================================================= */
return FALSE;
}
-static void Mixer_PlayChannel(int channel)
+static boolean Mixer_AllocateChannel(int channel)
{
- /* start with inactive channel in case something goes wrong */
- mixer[channel].active = FALSE;
+#if defined(TARGET_ALLEGRO)
+ mixer[channel].voice = allocate_voice((SAMPLE *)mixer[channel].data_ptr);
+ if (mixer[channel].voice < 0)
+ return FALSE;
+#endif
- if (mixer[channel].type != MUS_TYPE_WAV)
- return;
+ return TRUE;
+}
+static void Mixer_SetChannelProperties(int channel)
+{
+#if defined(TARGET_SDL)
+ Mix_Volume(channel, mixer[channel].volume);
+ Mix_SetPanning(channel,
+ SOUND_VOLUME_LEFT(mixer[channel].stereo_position),
+ SOUND_VOLUME_RIGHT(mixer[channel].stereo_position));
+#elif defined(TARGET_ALLEGRO)
+ voice_set_volume(mixer[channel].voice, mixer[channel].volume);
+ voice_set_pan(mixer[channel].voice, mixer[channel].stereo_position);
+#endif
+}
+
+static void Mixer_StartChannel(int channel)
+{
#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)
- return;
-
+#elif defined(TARGET_ALLEGRO)
if (IS_LOOP(mixer[channel]))
voice_set_playmode(mixer[channel].voice, PLAYMODE_LOOP);
- voice_set_volume(mixer[channel].voice, mixer[channel].volume);
- voice_set_pan(mixer[channel].voice, mixer[channel].stereo_position);
voice_start(mixer[channel].voice);
#endif
+}
+
+static void Mixer_PlayChannel(int channel)
+{
+ /* start with inactive channel in case something goes wrong */
+ mixer[channel].active = FALSE;
+
+ if (mixer[channel].type != MUS_TYPE_WAV)
+ return;
+
+ if (!Mixer_AllocateChannel(channel))
+ return;
+
+ Mixer_SetChannelProperties(channel);
+ Mixer_StartChannel(channel);
Mixer_ResetChannelExpiration(channel);
#if defined(TARGET_SDL)
Mix_HaltChannel(channel);
-#elif defined(PLATFORM_MSDOS)
+#elif defined(TARGET_ALLEGRO)
voice_set_volume(mixer[channel].voice, 0);
deallocate_voice(mixer[channel].voice);
#endif
#if defined(TARGET_SDL)
Mix_FadeOutChannel(channel, SOUND_FADING_INTERVAL);
-#elif defined(PLATFORM_MSDOS)
+#elif defined(TARGET_ALLEGRO)
if (voice_check(mixer[channel].voice))
voice_ramp_volume(mixer[channel].voice, SOUND_FADING_INTERVAL, 0);
#endif
return;
mixer[channel].state &= ~SND_CTRL_FADE;
- mixer[channel].volume = PSND_MAX_VOLUME;
+ mixer[channel].volume = SOUND_MAX_VOLUME;
#if defined(TARGET_SDL)
Mix_ExpireChannel(channel, -1);
- Mix_Volume(channel, SOUND_MAX_VOLUME);
+ Mix_Volume(channel, mixer[channel].volume);
#elif defined(TARGET_ALLEGRO)
voice_stop_volumeramp(mixer[channel].voice);
voice_ramp_volume(mixer[channel].voice, SOUND_FADING_INTERVAL,
/* 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[audio.music_channel] = snd_ctrl;
Mixer_PlayMusicChannel();
printf("RESETTING EXPIRATION FOR SOUND %d\n", snd_ctrl.nr);
#endif
-#if 1
- Mixer_ResetChannelExpiration(i);
-#endif
if (IS_FADING(mixer[i]))
Mixer_UnFadeChannel(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);
+
+#if 0
+ printf("RESETTING VOLUME/STEREO FOR SOUND %d TO %d/%d\n",
+ snd_ctrl.nr, snd_ctrl.volume, snd_ctrl.stereo_position);
+#endif
}
}
void StartMixer(void)
{
+ int i;
+
#if 0
SDL_version compile_version;
const SDL_version *link_version;
if (!audio.sound_available)
return;
+ /* 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_UNIX_NATIVE)
if (!ForkAudioProcess())
audio.sound_available = FALSE;
#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];
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;
mixer[i].volume -= SOUND_FADING_VOLUME_STEP;
/* adjust volume of actual sound sample */
- if (mixer[i].volume != PSND_MAX_VOLUME)
+ if (mixer[i].volume != SOUND_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;
+ mixer[i].volume * (long)premix_first_buffer[j] / SOUND_MAX_VOLUME;
/* 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_position];
- int right_volume= stereo_volume[middle_pos - mixer[i].stereo_position];
+ int left_volume = SOUND_VOLUME_LEFT(mixer[i].stereo_position);
+ int right_volume = SOUND_VOLUME_RIGHT(mixer[i].stereo_position);
for(j=0; j<sample_size; j++)
{
premix_left_buffer[j] =
- (left_volume * premix_first_buffer[j])
- >> PSND_MAX_LEFT2RIGHT_BITS;
+ left_volume * premix_first_buffer[j] / SOUND_MAX_LEFT2RIGHT;
premix_right_buffer[j] =
- (right_volume * premix_first_buffer[j])
- >> PSND_MAX_LEFT2RIGHT_BITS;
+ 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);
/* adjust volume of actual sound sample */
- if (mixer[i].volume != PSND_MAX_VOLUME)
+ if (mixer[i].volume != SOUND_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;
+ mixer[i].volume * (long)premix_first_buffer[j] / SOUND_MAX_VOLUME;
/* might be needed for u-law /dev/audio */
#if 0
static SoundInfo *Load_WAV(char *filename)
{
SoundInfo *snd_info;
-#if !defined(TARGET_SDL) && !defined(PLATFORM_MSDOS)
+#if defined(AUDIO_UNIX_NATIVE)
byte sound_header_buffer[WAV_HEADER_SIZE];
char chunk_name[CHUNK_ID_LEN + 1];
int chunk_size;
void PlaySound(int nr)
{
- PlaySoundExt(nr, PSND_MAX_VOLUME, PSND_MIDDLE, SND_CTRL_PLAY_SOUND);
+ PlaySoundExt(nr, SOUND_MAX_VOLUME, SOUND_MIDDLE, SND_CTRL_PLAY_SOUND);
}
void PlaySoundStereo(int nr, int stereo_position)
{
- PlaySoundExt(nr, PSND_MAX_VOLUME, stereo_position, SND_CTRL_PLAY_SOUND);
+ 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);
+ 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);
+ PlaySoundExt(nr, SOUND_MAX_VOLUME, SOUND_MIDDLE, SND_CTRL_PLAY_MUSIC);
}
void PlaySoundExt(int nr, int volume, int stereo_position, int state)
audio.sound_deactivated)
return;
- if (volume < PSND_MIN_VOLUME)
- volume = PSND_MIN_VOLUME;
- else if (volume > PSND_MAX_VOLUME)
- volume = PSND_MAX_VOLUME;
+ if (volume < SOUND_MIN_VOLUME)
+ volume = SOUND_MIN_VOLUME;
+ else if (volume > SOUND_MAX_VOLUME)
+ volume = SOUND_MAX_VOLUME;
- if (stereo_position < PSND_MAX_LEFT)
- stereo_position = PSND_MAX_LEFT;
- else if (stereo_position > PSND_MAX_RIGHT)
- stereo_position = PSND_MAX_RIGHT;
+ if (stereo_position < SOUND_MAX_LEFT)
+ stereo_position = SOUND_MAX_LEFT;
+ else if (stereo_position > SOUND_MAX_RIGHT)
+ stereo_position = SOUND_MAX_RIGHT;
snd_ctrl.active = TRUE;
snd_ctrl.nr = nr;
if (!audio.sound_available)
return;
-#if defined(TARGET_SDL) || defined(TARGET_ALLEGRO)
- ReloadCustomSounds();
-#elif defined(AUDIO_UNIX_NATIVE)
+#if defined(AUDIO_UNIX_NATIVE)
WriteReloadInfoToPipe(set_name, SND_CTRL_RELOAD_SOUNDS);
+#else
+ ReloadCustomSounds();
#endif
}
if (!audio.music_available)
return;
-#if defined(TARGET_SDL) || defined(TARGET_ALLEGRO)
- ReloadCustomMusic();
-#elif defined(AUDIO_UNIX_NATIVE)
+#if defined(AUDIO_UNIX_NATIVE)
WriteReloadInfoToPipe(set_name, SND_CTRL_RELOAD_MUSIC);
+#else
+ ReloadCustomMusic();
#endif
}
projects / rocksndiamonds.git / blobdiff