X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsound.c;h=1c0da669591633f3e2674158fd121d6be721bc2a;hb=29fc833ae1b5e46a429a9fa82098e8ad94f6f400;hp=f30c1d4cb4b91a58a91b24b535cb64a699e1a68a;hpb=b13dc8e30a0c07bea53bf168ae6d1017394d3c22;p=rocksndiamonds.git

diff --git a/src/libgame/sound.c b/src/libgame/sound.c
index f30c1d4c..1c0da669 100644
--- a/src/libgame/sound.c
+++ b/src/libgame/sound.c
@@ -52,12 +52,6 @@
 #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
 
@@ -124,6 +118,7 @@ struct SampleInfo
   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;
@@ -145,6 +140,7 @@ struct SoundControl
   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;
@@ -257,13 +253,15 @@ static boolean ForkAudioProcess(void)
     return FALSE;
   }
 
+  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(audio.mixer_pid) ? "child" : "parent"));
+  printf("PID: %d [%s]\n", getpid(),(IS_CHILD_PROCESS() ? "child" : "parent"));
   Delay(10000 * 0);
 #endif
 
-  if (IS_CHILD_PROCESS(audio.mixer_pid))
+  if (IS_CHILD_PROCESS())
     Mixer_Main();			/* this function never returns */
   else
     close(audio.mixer_pipe[0]);		/* no reading from pipe needed */
@@ -294,7 +292,7 @@ void UnixCloseAudio(void)
   if (audio.device_fd)
     close(audio.device_fd);
 
-  if (IS_PARENT_PROCESS(audio.mixer_pid))
+  if (IS_PARENT_PROCESS())
     kill(audio.mixer_pid, SIGTERM);
 }
 
@@ -461,7 +459,7 @@ static void InitAudioDevice(struct AudioFormatInfo *afmt)
 
 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)
@@ -474,7 +472,7 @@ static void SendSoundControlToMixerProcess(SoundControl *snd_ctrl)
 
 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))
@@ -496,7 +494,7 @@ static void WriteReloadInfoToPipe(char *set_identifier, int type)
 				    setup.override_level_sounds :
 				    setup.override_level_music);
 
-  if (IS_CHILD_PROCESS(audio.mixer_pid))
+  if (IS_CHILD_PROCESS())
     return;
 
   if (leveldir_current == NULL)		/* should never happen */
@@ -839,10 +837,11 @@ static void Mixer_InsertSound(SoundControl snd_ctrl)
     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))
@@ -956,11 +955,16 @@ static void Mixer_InsertSound(SoundControl snd_ctrl)
     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++)
     {
@@ -1010,7 +1014,7 @@ static void HandleSoundRequest(SoundControl snd_ctrl)
   int i;
 
 #if defined(AUDIO_UNIX_NATIVE)
-  if (IS_PARENT_PROCESS(audio.mixer_pid))
+  if (IS_PARENT_PROCESS())
   {
     SendSoundControlToMixerProcess(&snd_ctrl);
     return;
@@ -1110,33 +1114,54 @@ void StartMixer(void)
 
 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)
@@ -1153,11 +1178,12 @@ static void Mixer_Main_DSP()
   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++)
   {
@@ -1184,7 +1210,7 @@ static void Mixer_Main_DSP()
 
     /* 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)
@@ -1194,14 +1220,9 @@ static void Mixer_Main_DSP()
 	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;
@@ -1215,11 +1236,11 @@ static void Mixer_Main_DSP()
 
     /* 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);
@@ -1227,20 +1248,16 @@ static void Mixer_Main_DSP()
 
       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)
@@ -1255,7 +1272,7 @@ static void Mixer_Main_DSP()
   }
 
   /* 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)
@@ -1293,9 +1310,10 @@ static void Mixer_Main_DSP()
 
 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;
@@ -1313,7 +1331,7 @@ static int Mixer_Main_SimpleAudio(SoundControl snd_ctrl)
 
   /* 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)
@@ -1545,6 +1563,7 @@ static void *Load_WAV(char *filename)
 #endif
   char chunk_name[CHUNK_ID_LEN + 1];
   int chunk_size;
+  int data_byte_len;
   FILE *file;
 #endif
 
@@ -1639,7 +1658,8 @@ static void *Load_WAV(char *filename)
 	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);
@@ -1648,7 +1668,8 @@ static void *Load_WAV(char *filename)
 	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);
@@ -1674,7 +1695,9 @@ static void *Load_WAV(char *filename)
     }
     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 */
@@ -1688,8 +1711,8 @@ static void *Load_WAV(char *filename)
 	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 */
@@ -1713,6 +1736,29 @@ static void *Load_WAV(char *filename)
     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;
@@ -1721,35 +1767,102 @@ static void *Load_WAV(char *filename)
   return snd_info;
 }
 
-struct FileInfo *getCurrentSoundList()
+int getSoundListSize()
 {
-  return sound_info->file_list;
+  return (sound_info->num_file_list_entries +
+	  sound_info->num_dynamic_file_list_entries);
 }
 
-void InitSoundList(struct ConfigInfo *config_list, char *config_suffix_list[],
-		   int num_file_list_entries)
+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);
+
+  return (pos < num_list_entries ? &sound_info->file_list[list_pos] :
+	  &sound_info->dynamic_file_list[list_pos]);
+}
+
+int getSoundListPropertyMappingSize()
+{
+  return sound_info->num_property_mapping_entries;
+}
+
+struct PropertyMapping *getSoundListPropertyMapping()
+{
+  return sound_info->property_mapping;
+}
+
+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;
 
   sound_info = checked_calloc(sizeof(struct ArtworkListInfo));
-
   sound_info->type = ARTWORK_TYPE_SOUNDS;
 
+  /* ---------- initialize file list and suffix lists ---------- */
+
   sound_info->num_file_list_entries = num_file_list_entries;
-  sound_info->num_suffix_list_entries = 0;
-  for (i=0; config_suffix_list[i] != NULL; i++)
-    sound_info->num_suffix_list_entries++;
+  sound_info->num_dynamic_file_list_entries = 0;
 
   sound_info->file_list =
     getFileListFromConfigList(config_list, config_suffix_list,
 			      num_file_list_entries);
+  sound_info->dynamic_file_list = NULL;
+
+  sound_info->num_suffix_list_entries = 0;
+  for (i=0; config_suffix_list[i].token != NULL; i++)
+    sound_info->num_suffix_list_entries++;
+
   sound_info->suffix_list = config_suffix_list;
 
+  /* ---------- initialize base prefix and suffixes lists ---------- */
+
+  sound_info->num_base_prefixes = 0;
+  for (i=0; base_prefixes[i] != NULL; i++)
+    sound_info->num_base_prefixes++;
+
+  sound_info->num_ext1_suffixes = 0;
+  for (i=0; ext1_suffixes[i] != NULL; i++)
+    sound_info->num_ext1_suffixes++;
+
+  sound_info->num_ext2_suffixes = 0;
+  for (i=0; ext2_suffixes[i] != NULL; i++)
+    sound_info->num_ext2_suffixes++;
+
+  sound_info->num_ext3_suffixes = 0;
+  for (i=0; ext3_suffixes[i] != NULL; i++)
+    sound_info->num_ext3_suffixes++;
+
+  sound_info->num_ignore_tokens = 0;
+  for (i=0; ignore_tokens[i] != NULL; i++)
+    sound_info->num_ignore_tokens++;
+
+  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;
+
+  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;
 
@@ -1838,7 +1951,7 @@ void LoadCustomMusic(void)
     {
       num_music++;
       Music = checked_realloc(Music, num_music * sizeof(MusicInfo *));
-      Music[num_music -1] = mus_info;
+      Music[num_music - 1] = mus_info;
     }
   }
 
@@ -1965,6 +2078,7 @@ static void ReloadCustomSounds()
   printf("DEBUG: reloading sounds '%s' ...\n", artwork.snd_current_identifier);
 #endif
 
+  LoadArtworkConfig(sound_info);
   ReloadCustomArtworkList(sound_info);
 }
 
@@ -1977,19 +2091,20 @@ static void ReloadCustomMusic()
   LoadCustomMusic();
 }
 
-void InitReloadSounds(char *set_identifier)
+void InitReloadCustomSounds(char *set_identifier)
 {
   if (!audio.sound_available)
     return;
 
 #if defined(AUDIO_UNIX_NATIVE)
+  LoadArtworkConfig(sound_info);	/* also load config on sound client */
   WriteReloadInfoToPipe(set_identifier, SND_CTRL_RELOAD_SOUNDS);
 #else
   ReloadCustomSounds();
 #endif
 }
 
-void InitReloadMusic(char *set_identifier)
+void InitReloadCustomMusic(char *set_identifier)
 {
   if (!audio.music_available)
     return;
@@ -2049,7 +2164,7 @@ void FreeMusic(MusicInfo *music)
 
 void FreeAllSounds()
 {
-  FreeCustomArtworkList(sound_info);
+  FreeCustomArtworkLists(sound_info);
 }
 
 void FreeAllMusic()