static int mixer_active_channels = 0;
/* forward declaration of internal functions */
-static void Mixer_Main(void);
-static void Mixer_InsertNewSound(struct SoundControl);
static void InitAudioDevice(struct AudioFormatInfo *);
+static void Mixer_Main(void);
-#if defined(PLATFORM_UNIX)
-#if !defined(AUDIO_STREAMING_DSP)
+#if defined(PLATFORM_UNIX) && !defined(AUDIO_STREAMING_DSP)
static unsigned char linear_to_ulaw(int);
static int ulaw_to_linear(unsigned char);
#endif
-#elif defined(PLATFORM_MSDOS)
-static void Mixer_InsertNewSound(struct SoundControl);
-static void Mixer_StopSound(struct SoundControl);
-static void Mixer_StopAllSounds();
-#endif
static void ReloadCustomSounds();
static void ReloadCustomMusic();
kill(audio.mixer_pid, SIGTERM);
}
+static void WriteSoundControlToPipe(struct SoundControl snd_ctrl)
+{
+ if (audio.mixer_pid == 0) /* we are child process */
+ return;
+
+ if (write(audio.mixer_pipe[1], &snd_ctrl, sizeof(struct SoundControl)) < 0)
+ {
+ Error(ERR_WARN, "cannot pipe to child process -- no sounds");
+ audio.sound_available = audio.sound_enabled = FALSE;
+ return;
+ }
+}
+
+static void ReadSoundControlFromPipe(struct SoundControl *snd_ctrl)
+{
+ if (audio.mixer_pid != 0) /* we are parent process */
+ return;
+
+ if (read(audio.mixer_pipe[0], snd_ctrl, sizeof(struct SoundControl))
+ != sizeof(struct SoundControl))
+ Error(ERR_EXIT_SOUND_SERVER, "broken pipe -- no sounds");
+}
+
static void WriteReloadInfoToPipe(char *set_name, int type)
{
struct SoundControl snd_ctrl;
mixer_active_channels = 0;
}
-static void Mixer_FadeSound(int channel)
+static void Mixer_PlayChannel(int channel)
+{
+#if defined(PLATFORM_MSDOS)
+ mixer[channel].voice = allocate_voice((SAMPLE *)mixer[channel].data_ptr);
+
+ if (mixer[channel].voice < 0)
+ return;
+
+ if (IS_LOOP(mixer[channel]))
+ voice_set_playmode(mixer[channel].voice, PLAYMODE_LOOP);
+
+ voice_set_volume(mixer[channel].voice, snd_ctrl.volume);
+ voice_set_pan(mixer[channel].voice, snd_ctrl.stereo);
+ voice_start(mixer[channel].voice);
+#endif
+}
+
+static void Mixer_StopChannel(int channel)
+{
+#if defined(PLATFORM_MSDOS)
+ voice_set_volume(mixer[channel].voice, 0);
+ deallocate_voice(mixer[channel].voice);
+#endif
+}
+
+static void Mixer_FadeChannel(int channel)
{
mixer[channel].state |= SND_CTRL_FADE;
+
+#if defined(PLATFORM_MSDOS)
+ if (voice_check(mixer[channel].voice))
+ voice_ramp_volume(mixer[channel].voice, 1000, 0);
+ mixer[channel].state &= ~SND_CTRL_IS_LOOP;
+#endif
}
static void Mixer_RemoveSound(int channel)
printf("REMOVING MIXER SOUND %d\n", channel);
#endif
+ Mixer_StopChannel(channel);
+
mixer[channel].active = FALSE;
mixer_active_channels--;
}
longest_nr = i;
}
}
-#if defined(PLATFORM_MSDOS)
- voice_set_volume(mixer[longest_nr].voice, 0);
- deallocate_voice(mixer[longest_nr].voice);
-#endif
+
Mixer_RemoveSound(longest_nr);
}
}
}
-#if defined(PLATFORM_MSDOS)
- voice_set_volume(mixer[longest_nr].voice, 0);
- deallocate_voice(mixer[longest_nr].voice);
-#endif
Mixer_RemoveSound(longest_nr);
}
printf("NEW SOUND %d ADDED TO MIXER\n", snd_ctrl.nr);
#endif
-#if defined(PLATFORM_MSDOS)
- mixer[i].voice = allocate_voice((SAMPLE *)mixer[i].data_ptr);
-
- if (snd_ctrl.loop)
- voice_set_playmode(mixer[i].voice, PLAYMODE_LOOP);
+ Mixer_PlayChannel(i);
- voice_set_volume(mixer[i].voice, snd_ctrl.volume);
- voice_set_pan(mixer[i].voice, snd_ctrl.stereo);
- voice_start(mixer[i].voice);
-#endif
break;
}
}
{
int i;
+#if defined(PLATFORM_MSDOS)
+ 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)
+ Mixer_RemoveSound(i);
+ }
+#endif /* PLATFORM_MSDOS */
+
if (IS_RELOADING(snd_ctrl)) /* load new sound or music files */
{
ReadReloadInfoFromPipe(snd_ctrl);
if (IS_MUSIC(snd_ctrl))
{
- mixer[audio.music_channel].state |= SND_CTRL_FADE;
+ Mixer_FadeChannel(audio.music_channel);
return;
}
for(i=audio.first_sound_channel; i<audio.num_channels; i++)
if (mixer[i].nr == snd_ctrl.nr || ALL_SOUNDS(snd_ctrl))
- mixer[i].state |= SND_CTRL_FADE;
+ Mixer_FadeChannel(i);
}
else if (IS_STOPPING(snd_ctrl)) /* stop existing sound or music */
{
}
else if (snd_ctrl.active) /* add new sound to mixer */
{
- Mixer_InsertNewSound(snd_ctrl);
+ Mixer_InsertSound(snd_ctrl);
}
}
select(audio.mixer_pipe[0] + 1, &mixer_fdset, NULL, NULL, NULL);
if (!FD_ISSET(audio.mixer_pipe[0], &mixer_fdset))
continue;
- if (read(audio.mixer_pipe[0], &snd_ctrl, sizeof(snd_ctrl))
- != sizeof(snd_ctrl))
- Error(ERR_EXIT_SOUND_SERVER, "broken pipe -- no sounds");
+
+ ReadSoundControlFromPipe(&snd_ctrl);
HandleSoundRequest(snd_ctrl);
}
#endif /* PLATFORM_UNIX */
-#if defined(PLATFORM_MSDOS)
-static void sound_handler(struct SoundControl snd_ctrl)
-{
- int i;
-
- if (snd_ctrl.fade_sound)
- {
- if (!mixer_active_channels)
- return;
-
- for (i=0; i<audio.num_channels; i++)
- if ((snd_ctrl.stop_all_sounds ||
- (i != audio.music_channel && mixer[i].nr == snd_ctrl.nr) ||
- (i == audio.music_channel && snd_ctrl.music)) &&
- !mixer[i].fade_sound)
- {
- mixer[i].fade_sound = TRUE;
- if (voice_check(mixer[i].voice))
- voice_ramp_volume(mixer[i].voice, 1000, 0);
- mixer[i].state &= ~SND_CTRL_IS_LOOP;
- }
- }
- else if (snd_ctrl.stop_all_sounds)
- {
- if (!mixer_active_channels)
- return;
- Mixer_StopAllSounds();
- }
- else if (snd_ctrl.stop_sound)
- {
- if (!mixer_active_channels)
- return;
- Mixer_StopSound(snd_ctrl);
- }
-
- for (i=0; i<audio.num_channels; i++)
- {
- if (!mixer[i].active || mixer[i].loop)
- 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)
- {
- deallocate_voice(mixer[i].voice);
- Mixer_RemoveSound(i);
- }
- }
-
- if (snd_ctrl.active)
- Mixer_InsertNewSound(snd_ctrl);
-}
-#endif /* PLATFORM_MSDOS */
-
-#if 0
-#if defined(TARGET_SDL)
-static void sound_handler_SDL(struct SoundControl snd_ctrl)
-{
- /* copy sound_handler() here ... */
-}
-#endif /* TARGET_SDL */
-#endif
-
-#if !defined(PLATFORM_WIN32)
-static void Mixer_InsertNewSound(struct SoundControl snd_ctrl)
-{
- Mixer_InsertSound(snd_ctrl);
-}
-#endif /* !PLATFORM_WIN32 */
-
-/*
-void Mixer_FadeSound(int nr)
-{
- int i;
-
- if (!mixer_active_channels)
- return;
-
- for(i=0;i<audio.num_channels;i++)
- if (snd_ctrl.stop_all_sounds || mixer[i].nr == snd_ctrl.nr)
- mixer[i].fade_sound = TRUE;
-}
-*/
-
-#if !defined(PLATFORM_WIN32)
-#if defined(PLATFORM_MSDOS)
-static void Mixer_StopSound(struct SoundControl snd_ctrl)
-{
- int nr = snd_ctrl.nr;
- int i;
-
- if (!mixer_active_channels)
- return;
-
- for(i=0; i<audio.num_channels; i++)
- {
- if ((i == audio.music_channel && snd_ctrl.music) ||
- (i != audio.music_channel && mixer[i].nr == nr))
- {
-#if defined(PLATFORM_MSDOS)
- voice_set_volume(mixer[i].voice, 0);
- deallocate_voice(mixer[i].voice);
-#endif
- Mixer_RemoveSound(i);
- }
- }
-
-#if !defined(PLATFORM_MSDOS)
- if (!mixer_active_channels)
- close(audio.device_fd);
-#endif
-}
-
-static void Mixer_StopAllSounds()
-{
- int i;
-
- for(i=0; i<audio.num_channels; i++)
- {
-#if defined(PLATFORM_MSDOS)
- voice_set_volume(mixer[i].voice, 0);
- deallocate_voice(mixer[i].voice);
-#endif
- Mixer_RemoveSound(i);
- }
- mixer_active_channels = 0;
-
-#if !defined(PLATFORM_MSDOS)
- close(audio.device_fd);
-#endif
-}
-#endif /* PLATFORM_MSDOS */
-#endif /* !PLATFORM_WIN32 */
-
/* ------------------------------------------------------------------------- */
/* platform dependant audio initialization code */
Mix_PlayChannel(-1, Sound[nr]->data_ptr, (state & SND_CTRL_LOOP ? -1 : 0));
}
#elif defined(PLATFORM_UNIX)
- if (audio.mixer_pid == 0) /* we are child process */
- return;
- if (write(audio.mixer_pipe[1], &snd_ctrl, sizeof(snd_ctrl)) < 0)
- {
- Error(ERR_WARN, "cannot pipe to child process -- no sounds");
- audio.sound_available = audio.sound_enabled = FALSE;
- return;
- }
+ WriteSoundControlToPipe(snd_ctrl);
+
#elif defined(PLATFORM_MSDOS)
- sound_handler(snd_ctrl);
+
+ HandleSoundRequest(snd_ctrl);
+
#endif
}
#elif !defined(PLATFORM_MSDOS)
- if (audio.mixer_pid == 0) /* we are child process */
- return;
+ WriteSoundControlToPipe(snd_ctrl);
- if (write(audio.mixer_pipe[1], &snd_ctrl, sizeof(snd_ctrl)) < 0)
- {
- Error(ERR_WARN, "cannot pipe to child process -- no sounds");
- audio.sound_available = audio.sound_enabled = FALSE;
- return;
- }
#else /* PLATFORM_MSDOS */
- sound_handler(snd_ctrl);
+
+ HandleSoundRequest(snd_ctrl);
+
#endif
}
projects / rocksndiamonds.git / blobdiff