X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Flibgame%2Fsound.c;h=f659b031c71c68eba417f8651816c7b762fe7f72;hp=658a67efbdd45ab80296d67f767a65d80053fe69;hb=e788c9b6a44d9f2dea7aa048b48a11b14761229e;hpb=8ae353be22bec6faaa68b978e188f5c15120e44b

diff --git a/src/libgame/sound.c b/src/libgame/sound.c
index 658a67ef..f659b031 100644
--- a/src/libgame/sound.c
+++ b/src/libgame/sound.c
@@ -17,15 +17,124 @@
 #include <fcntl.h>
 #include <dirent.h>
 #include <signal.h>
+#include <math.h>
+
+#include "platform.h"
+
+#if defined(PLATFORM_LINUX)
+#include <sys/ioctl.h>
+#include <linux/soundcard.h>
+#elif defined(PLATFORM_FREEBSD)
+#include <machine/soundcard.h>
+#elif defined(PLATFORM_NETBSD)
+#include <sys/ioctl.h>
+#include <sys/audioio.h>
+#elif defined(PLATFORM_HPUX)
+#include <sys/audio.h>
+#endif
 
 #include "system.h"
 #include "sound.h"
 #include "misc.h"
 #include "setup.h"
+#include "text.h"
+
+
+/* expiration time (in milliseconds) for sound loops */
+#define SOUND_LOOP_EXPIRATION_TIME	200
+
+/* one second fading interval == 1000 ticks (milliseconds) */
+#define SOUND_FADING_INTERVAL		1000
+
+#if defined(AUDIO_STREAMING_DSP)
+#define SOUND_FADING_VOLUME_STEP	(SOUND_MAX_VOLUME / 40)
+#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_NONE			0
+#define MUS_TYPE_WAV			1
+#define MUS_TYPE_MOD			2
 
-#define IS_PARENT_PROCESS(pid)		((pid) > 0)
-#define IS_CHILD_PROCESS(pid)		((pid) == 0)
+#define DEVICENAME_DSP			"/dev/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])
+
+
+#if 0
+struct SoundHeader_SUN
+{
+  unsigned long magic;
+  unsigned long hdr_size;
+  unsigned long data_size;
+  unsigned long encoding;
+  unsigned long sample_rate;
+  unsigned long channels;
+};
+
+struct SoundHeader_8SVX
+{
+  char magic_FORM[4];
+  unsigned long chunk_size;
+  char magic_8SVX[4];
+};
+#endif
+
+struct AudioFormatInfo
+{
+  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 */
+};
+
+struct SampleInfo
+{
+  char *source_filename;
+  int num_references;
+
+  int type;
+  int format;
+  long data_len;
+  void *data_ptr;
+};
+typedef struct SampleInfo SoundInfo;
+typedef struct SampleInfo MusicInfo;
+
+struct SoundControl
+{
+  boolean active;
+
+  int nr;
+  int volume;
+  int stereo_position;
+
+  int state;
+
+  unsigned long playing_starttime;
+  unsigned long playing_pos;
+
+  int type;
+  int format;
+  long data_len;
+  void *data_ptr;
+
+#if defined(TARGET_ALLEGRO)
+  int voice;
+#endif
+};
+typedef struct SoundControl SoundControl;
 
 struct ListNode
 {
@@ -47,6 +156,7 @@ static ListNode *SoundFileList = NULL;
 static SoundInfo **Sound = NULL;
 static MusicInfo **Music = NULL;
 static int num_sounds = 0, num_music = 0;
+static int stereo_volume[SOUND_MAX_LEFT2RIGHT + 1];
 
 
 /* ========================================================================= */
@@ -483,34 +593,99 @@ void Mixer_InitChannels()
   mixer_active_channels = 0;
 }
 
-static void Mixer_PlayChannel(int channel)
+static void Mixer_ResetChannelExpiration(int channel)
 {
-  /* start with inactive channel in case something goes wrong */
-  mixer[channel].active = FALSE;
+  mixer[channel].playing_starttime = Counter();
 
-  if (mixer[channel].type != MUS_TYPE_WAV)
-    return;
+#if defined(TARGET_SDL)
+  if (IS_LOOP(mixer[channel]) && !IS_MUSIC(mixer[channel]))
+    Mix_ExpireChannel(channel, SOUND_LOOP_EXPIRATION_TIME);
+#endif
+}
 
-  mixer[channel].playingpos = 0;
-  mixer[channel].playingtime = 0;
+static boolean Mixer_ChannelExpired(int channel)
+{
+  if (!mixer[channel].active)
+    return TRUE;
+
+  if (IS_LOOP(mixer[channel]) && !IS_MUSIC(mixer[channel]) &&
+      DelayReached(&mixer[channel].playing_starttime,
+		   SOUND_LOOP_EXPIRATION_TIME))
+    return TRUE;
 
 #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)
+
+  if (!Mix_Playing(channel))
+    return TRUE;
+
+#elif defined(TARGET_ALLEGRO)
+
+  mixer[channel].playing_pos = voice_get_position(mixer[channel].voice);
+  mixer[channel].volume = voice_get_volume(mixer[channel].voice);
+
+  /* sound sample has completed playing or was completely faded out */
+  if (mixer[channel].playing_pos == -1 || mixer[channel].volume == 0)
+    return TRUE;
+
+#endif /* TARGET_ALLEGRO */
+
+  return FALSE;
+}
+
+static boolean Mixer_AllocateChannel(int channel)
+{
+#if defined(TARGET_ALLEGRO)
   mixer[channel].voice = allocate_voice((SAMPLE *)mixer[channel].data_ptr);
   if (mixer[channel].voice < 0)
-    return;
+    return FALSE;
+#endif
+
+  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_PlayChannel(channel, mixer[channel].data_ptr,
+		  IS_LOOP(mixer[channel]) ? -1 : 0);
+#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);
   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);
+
+  mixer[channel].playing_pos = 0;
   mixer[channel].active = TRUE;
   mixer_active_channels++;
 }
@@ -532,18 +707,12 @@ static void Mixer_PlayMusicChannel()
 
 static void Mixer_StopChannel(int channel)
 {
-#if 0
-#if defined(TARGET_SDL)
-  printf("----------> %d [%d]\n", Mix_Playing(channel), Mix_Playing(0));
-#endif
-#endif
-
-  if (!mixer_active_channels || !mixer[channel].active)
+  if (!mixer[channel].active)
     return;
 
 #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
@@ -563,23 +732,16 @@ static void Mixer_StopMusicChannel()
 
 static void Mixer_FadeChannel(int channel)
 {
-  if (!mixer_active_channels || !mixer[channel].active)
+  if (!mixer[channel].active)
     return;
 
   mixer[channel].state |= SND_CTRL_FADE;
 
 #if defined(TARGET_SDL)
-
-#if 1
   Mix_FadeOutChannel(channel, SOUND_FADING_INTERVAL);
-#else
-  Mix_ExpireChannel(channel, SOUND_FADING_INTERVAL);
-#endif
-
-#elif defined(PLATFORM_MSDOS)
+#elif defined(TARGET_ALLEGRO)
   if (voice_check(mixer[channel].voice))
     voice_ramp_volume(mixer[channel].voice, SOUND_FADING_INTERVAL, 0);
-  mixer[channel].state &= ~SND_CTRL_IS_LOOP;
 #endif
 }
 
@@ -592,6 +754,24 @@ static void Mixer_FadeMusicChannel()
 #endif
 }
 
+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;
+
+#if defined(TARGET_SDL)
+  Mix_ExpireChannel(channel, -1);
+  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,
+		    mixer[channel].volume);
+#endif
+}
+
 static void Mixer_InsertSound(SoundControl snd_ctrl)
 {
   SoundInfo *snd_info;
@@ -601,6 +781,10 @@ static void Mixer_InsertSound(SoundControl snd_ctrl)
   printf("NEW SOUND %d HAS ARRIVED [%d]\n", snd_ctrl.nr, num_sounds);
 #endif
 
+#if 0
+  printf("%d ACTIVE CHANNELS\n", mixer_active_channels);
+#endif
+
   if (IS_MUSIC(snd_ctrl))
     snd_ctrl.nr = snd_ctrl.nr % num_music;
   else if (snd_ctrl.nr >= num_sounds)
@@ -619,69 +803,50 @@ static void Mixer_InsertSound(SoundControl snd_ctrl)
   /* 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();
 
     return;
   }
 
-  if (mixer_active_channels == audio.num_channels)
-  {
-    for (i=0; i<audio.num_channels; i++)
-    {
-      if (mixer[i].data_ptr == NULL ||
-	  mixer[i].data_len == 0)
-      {
-#if 1
-	printf("THIS SHOULD NEVER HAPPEN! [%d]\n", i);
-#endif
-
-	Mixer_StopChannel(i);
-      }
-    }
-  }
+  /* 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].active && mixer[i].nr == snd_ctrl.nr)
+      k++;
 
 #if 0
-  printf("%d ACTIVE CHANNELS\n", mixer_active_channels);
+  printf("SOUND %d [CURRENTLY PLAYING %d TIMES]\n", snd_ctrl.nr, k);
 #endif
 
-  /* if all channels are active, remove oldest sound sample */
-  if (mixer_active_channels == audio.num_channels)
+  /* reset expiration delay for already playing loop sounds */
+  if (k > 0 && IS_LOOP(snd_ctrl))
   {
-    int longest = 0, longest_nr = audio.first_sound_channel;
-
-    for (i=audio.first_sound_channel; i<audio.num_channels; i++)
+    for(i=audio.first_sound_channel; i<audio.num_channels; i++)
     {
-      int actual = 100 * mixer[i].playingpos / mixer[i].data_len;
-
-      if (!IS_LOOP(mixer[i]) && actual > longest)
+      if (mixer[i].active && mixer[i].nr == snd_ctrl.nr)
       {
-	longest = actual;
-	longest_nr = i;
-      }
-    }
+#if 0
+	printf("RESETTING EXPIRATION FOR SOUND %d\n", snd_ctrl.nr);
+#endif
 
-    Mixer_StopChannel(longest_nr);
-  }
+	if (IS_FADING(mixer[i]))
+	  Mixer_UnFadeChannel(i);
 
-  /* 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++;
+	/* restore settings like volume and stereo position */
+	mixer[i].volume = snd_ctrl.volume;
+	mixer[i].stereo_position = snd_ctrl.stereo_position;
 
-  /* restart loop sounds only if they are just fading out */
-  if (k >= 1 && IS_LOOP(snd_ctrl))
-  {
-    for(i=audio.first_sound_channel; i<audio.num_channels; i++)
-    {
-      if (mixer[i].nr == snd_ctrl.nr && IS_FADING(mixer[i]))
-      {
-	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);
+	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
       }
     }
@@ -692,17 +857,19 @@ static void Mixer_InsertSound(SoundControl snd_ctrl)
   /* don't play sound more than n times simultaneously (with n == 2 for now) */
   if (k >= 2)
   {
+    unsigned long 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++)
     {
+      int playing_time = playing_current - mixer[i].playing_starttime;
       int actual;
 
       if (!mixer[i].active || mixer[i].nr != snd_ctrl.nr)
 	continue;
 
-      actual = 100 * mixer[i].playingpos / mixer[i].data_len;
+      actual = 1000 * playing_time / mixer[i].data_len;
 
       if (actual >= longest)
       {
@@ -714,7 +881,34 @@ static void Mixer_InsertSound(SoundControl snd_ctrl)
     Mixer_StopChannel(longest_nr);
   }
 
-  /* add new sound to mixer */
+  /* 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. */
+
+  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;
+
+    for (i=audio.first_sound_channel; i<audio.num_channels; i++)
+    {
+      int playing_time = playing_current - mixer[i].playing_starttime;
+      int actual = 1000 * playing_time / mixer[i].data_len;
+
+      if (!IS_LOOP(mixer[i]) && actual > longest)
+      {
+	longest = actual;
+	longest_nr = i;
+      }
+    }
+
+    Mixer_StopChannel(longest_nr);
+  }
+
+  /* add the new sound to the mixer */
   for(i=0; i<audio.num_channels; i++)
   {
 #if 0
@@ -770,23 +964,12 @@ static void HandleSoundRequest(SoundControl snd_ctrl)
     SendSoundControlToMixerProcess(&snd_ctrl);
     return;
   }
-#elif defined(TARGET_SDL)
-  for (i=0; i<audio.num_channels; i++)
-    if (!Mix_Playing(i))
-      Mixer_StopChannel(i);
-#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);
+#endif
 
-    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 */
   {
@@ -806,9 +989,6 @@ static void HandleSoundRequest(SoundControl snd_ctrl)
   }
   else if (IS_FADING(snd_ctrl))		/* fade out existing sound or music */
   {
-    if (!mixer_active_channels)
-      return;
-
     if (IS_MUSIC(snd_ctrl))
     {
       Mixer_FadeMusicChannel();
@@ -821,9 +1001,6 @@ static void HandleSoundRequest(SoundControl snd_ctrl)
   }
   else if (IS_STOPPING(snd_ctrl))	/* stop existing sound or music */
   {
-    if (!mixer_active_channels)
-      return;
-
     if (IS_MUSIC(snd_ctrl))
     {
       Mixer_StopMusicChannel();
@@ -847,6 +1024,8 @@ static void HandleSoundRequest(SoundControl snd_ctrl)
 
 void StartMixer(void)
 {
+  int i;
+
 #if 0
   SDL_version compile_version;
   const SDL_version *link_version;
@@ -865,6 +1044,11 @@ void StartMixer(void)
   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;
@@ -893,8 +1077,6 @@ static void CopySampleToMixingBuffer(SoundControl *snd_ctrl,
 #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];
@@ -906,15 +1088,6 @@ static void Mixer_Main_DSP()
   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;
 
@@ -945,12 +1118,18 @@ static void Mixer_Main_DSP()
     if (!mixer[i].active)
       continue;
 
+    if (Mixer_ChannelExpired(i))
+    {
+      Mixer_StopChannel(i);
+      continue;
+    }
+
     /* 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_pos = mixer[i].playing_pos;
     sample_size = MIN(max_sample_size, sample_len - sample_pos);
-    mixer[i].playingpos += sample_size;
+    mixer[i].playing_pos += sample_size;
 
     /* copy original sample to first mixing buffer */
     CopySampleToMixingBuffer(&mixer[i], sample_pos, sample_size,
@@ -973,7 +1152,7 @@ static void Mixer_Main_DSP()
 	    premix_first_buffer[sample_size + j] =
 	      ((short *)sample_ptr)[j];
 
-	mixer[i].playingpos = restarted_sample_size;
+	mixer[i].playing_pos = restarted_sample_size;
 	sample_size += restarted_sample_size;
       }
     }
@@ -984,27 +1163,23 @@ static void Mixer_Main_DSP()
       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];
-      int right_volume= stereo_volume[middle_pos - mixer[i].stereo];
+      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];
@@ -1017,10 +1192,10 @@ static void Mixer_Main_DSP()
     }
 
     /* delete completed sound entries from the mixer */
-    if (mixer[i].playingpos >= mixer[i].data_len)
+    if (mixer[i].playing_pos >= mixer[i].data_len)
     {
       if (IS_LOOP(mixer[i]))
-	mixer[i].playingpos = 0;
+	mixer[i].playing_pos = 0;
       else
 	Mixer_StopChannel(i);
     }
@@ -1081,20 +1256,19 @@ static int Mixer_Main_SimpleAudio(SoundControl snd_ctrl)
   /* 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_pos = mixer[i].playing_pos;
   sample_size = MIN(max_sample_size, sample_len - sample_pos);
-  mixer[i].playingpos += sample_size;
+  mixer[i].playing_pos += 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)
+  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
@@ -1104,7 +1278,7 @@ static int Mixer_Main_SimpleAudio(SoundControl snd_ctrl)
 #endif
 
   /* delete completed sound entries from the mixer */
-  if (mixer[i].playingpos >= mixer[i].data_len)
+  if (mixer[i].playing_pos >= mixer[i].data_len)
     Mixer_StopChannel(i);
 
   for(i=0; i<sample_size; i++)
@@ -1312,7 +1486,7 @@ static int ulaw_to_linear(unsigned char ulawbyte)
 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;
@@ -1502,6 +1676,10 @@ static void LoadCustomSound(SoundInfo **snd_info, char *basename)
 {
   char *filename = getCustomSoundFilename(basename);
 
+#if 0
+  printf("GOT CUSTOM SOUND FILE '%s'\n", filename);
+#endif
+
   if (strcmp(basename, SND_FILE_UNDEFINED) == 0)
   {
     deleteSoundEntry(snd_info);
@@ -1572,6 +1750,7 @@ static MusicInfo *Load_MOD(char *filename)
 
 void LoadCustomMusic(void)
 {
+  static boolean draw_init_text = TRUE;		/* only draw at startup */
   char *music_directory = getCustomMusicDirectory();
   DIR *dir;
   struct dirent *dir_entry;
@@ -1586,12 +1765,18 @@ void LoadCustomMusic(void)
     return;
   }
 
+  if (draw_init_text)
+    DrawInitText("Loading music:", 120, FC_GREEN);
+
   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 (draw_init_text)
+      DrawInitText(basename, 150, FC_YELLOW);
+
     if (FileIsSound(basename))
       mus_info = Load_WAV(filename);
     else if (FileIsMusic(basename))
@@ -1609,6 +1794,8 @@ void LoadCustomMusic(void)
 
   closedir(dir);
 
+  draw_init_text = FALSE;
+
   if (num_music == 0)
     Error(ERR_WARN, "cannot find any valid music files in directory '%s'",
 	  music_directory);
@@ -1624,25 +1811,25 @@ void PlayMusic(int nr)
 
 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)
+void PlaySoundStereo(int nr, int stereo_position)
 {
-  PlaySoundExt(nr, PSND_MAX_VOLUME, stereo, 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, int state)
+void PlaySoundExt(int nr, int volume, int stereo_position, int state)
 {
   SoundControl snd_ctrl;
 
@@ -1651,28 +1838,28 @@ void PlaySoundExt(int nr, int volume, int stereo, 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 < PSND_MAX_LEFT)
-    stereo = PSND_MAX_LEFT;
-  else if (stereo > PSND_MAX_RIGHT)
-    stereo = 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;
+  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;
 
   StopSoundExt(-1, SND_CTRL_FADE_MUSIC);
@@ -1716,8 +1903,8 @@ void StopSoundExt(int nr, int state)
     return;
 
   snd_ctrl.active = FALSE;
-  snd_ctrl.nr     = nr;
-  snd_ctrl.state  = state;
+  snd_ctrl.nr = nr;
+  snd_ctrl.state = state;
 
   HandleSoundRequest(snd_ctrl);
 }
@@ -1803,6 +1990,10 @@ static void LoadSoundsInfo()
   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;
@@ -1818,7 +2009,7 @@ static void LoadSoundsInfo()
 
     freeSetupFileList(setup_file_list);
 
-#if 1
+#if 0
     for (i=0; i<num_sounds; i++)
     {
       printf("'%s' ", sound_effect[i].text);
@@ -1833,6 +2024,7 @@ static void LoadSoundsInfo()
 
 static void ReloadCustomSounds()
 {
+  static boolean draw_init_text = TRUE;		/* only draw at startup */
   int i;
 
 #if 0
@@ -1841,18 +2033,26 @@ static void ReloadCustomSounds()
 
   LoadSoundsInfo();
 
+  if (draw_init_text)
+    DrawInitText("Loading sounds:", 120, FC_GREEN);
+
 #if 0
   printf("DEBUG: reloading %d sounds ...\n", num_sounds);
 #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));
   */
@@ -1878,10 +2078,10 @@ void InitReloadSounds(char *set_name)
   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
 }
 
@@ -1890,10 +2090,10 @@ void InitReloadMusic(char *set_name)
   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
 }
 
@@ -1950,8 +2150,10 @@ void FreeAllSounds()
   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]);
@@ -1959,8 +2161,10 @@ void FreeAllSounds()
     FreeSound(Sound[i]);
   */
 
+#if 0
   printf("%s: FREEING SOUNDS -- DONE\n",
 	 IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT");
+#endif
 
   free(Sound);