#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
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;
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;
};
typedef struct SoundControl SoundControl;
-static struct ArtworkListInfo sound_info;
-
-static struct ArtworkConfigInfo *sound_config = NULL;
-static ListNode *SoundFileList = NULL;
+static struct ArtworkListInfo *sound_info = NULL;
static SoundInfo **Sound = NULL;
static MusicInfo **Music = NULL;
static int num_sounds = 0, num_music = 0;
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))
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++)
{
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)
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++)
{
/* 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)
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;
/* 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);
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)
}
/* 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)
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;
/* 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)
#endif
char chunk_name[CHUNK_ID_LEN + 1];
int chunk_size;
+ int data_byte_len;
FILE *file;
#endif
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);
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);
}
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 */
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 */
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;
return snd_info;
}
-static void deleteSoundEntry(SoundInfo **snd_info)
+struct FileInfo *getCurrentSoundList()
{
- if (*snd_info)
- {
- char *filename = (*snd_info)->source_filename;
-
-#if 0
- printf("[decrementing reference counter of sound '%s']\n", filename);
-#endif
-
- if (--(*snd_info)->num_references <= 0)
- {
-#if 0
- printf("[deleting sound '%s']\n", filename);
-#endif
-
- /*
- FreeSound(*snd_info);
- */
- deleteNodeFromList(&SoundFileList, filename, FreeSound);
- }
-
- *snd_info = NULL;
- }
+ return sound_info->file_list;
}
-static void replaceSoundEntry(SoundInfo **snd_info, char *filename)
+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)
{
- ListNode *node;
+ int i;
- /* check if the old and the new sound file are the same */
- if (*snd_info && strcmp((*snd_info)->source_filename, filename) == 0)
- {
- /* The old and new sound are the same (have the same filename and path).
- This usually means that this sound does not exist in this sound set
- and a fallback to the existing sound is done. */
+ sound_info = checked_calloc(sizeof(struct ArtworkListInfo));
+ sound_info->type = ARTWORK_TYPE_SOUNDS;
-#if 0
- printf("[sound '%s' already exists (same list entry)]\n", filename);
-#endif
+ /* ---------- initialize file list and suffix lists ---------- */
- return;
- }
+ sound_info->num_file_list_entries = num_file_list_entries;
+ sound_info->num_dynamic_file_list_entries = 0;
- /* delete existing sound file entry */
- deleteSoundEntry(snd_info);
+ sound_info->num_suffix_list_entries = 0;
+ for (i=0; config_suffix_list[i].token != NULL; i++)
+ sound_info->num_suffix_list_entries++;
- /* check if the new sound file already exists in the list of sounds */
- if ((node = getNodeFromKey(SoundFileList, filename)) != NULL)
- {
-#if 0
- printf("[sound '%s' already exists (other list entry)]\n", filename);
-#endif
+ sound_info->file_list =
+ getFileListFromConfigList(config_list, config_suffix_list,
+ num_file_list_entries);
+ sound_info->dynamic_file_list = NULL;
- *snd_info = (SoundInfo *)node->content;
- (*snd_info)->num_references++;
- }
- else if ((*snd_info = Load_WAV(filename)) != NULL) /* load new sound */
- {
- (*snd_info)->num_references = 1;
- addNodeToList(&SoundFileList, (*snd_info)->source_filename, *snd_info);
- }
-}
+ sound_info->suffix_list = config_suffix_list;
-static void LoadCustomSound(SoundInfo **snd_info, char *basename)
-{
- char *filename = getCustomSoundFilename(basename);
+ /* ---------- initialize base prefix and suffixes lists ---------- */
-#if 0
- printf("GOT CUSTOM SOUND FILE '%s'\n", filename);
-#endif
+ sound_info->num_base_prefixes = 0;
+ for (i=0; base_prefixes[i] != NULL; i++)
+ sound_info->num_base_prefixes++;
- if (strcmp(basename, SND_FILE_UNDEFINED) == 0)
- {
- deleteSoundEntry(snd_info);
- return;
- }
+ sound_info->num_ext1_suffixes = 0;
+ for (i=0; ext1_suffixes[i] != NULL; i++)
+ sound_info->num_ext1_suffixes++;
- if (filename == NULL)
- {
- Error(ERR_WARN, "cannot find sound file '%s'", basename);
- return;
- }
+ sound_info->num_ext2_suffixes = 0;
+ for (i=0; ext2_suffixes[i] != NULL; i++)
+ sound_info->num_ext2_suffixes++;
- replaceSoundEntry(snd_info, filename);
-}
+ sound_info->base_prefixes = base_prefixes;
+ sound_info->ext1_suffixes = ext1_suffixes;
+ sound_info->ext2_suffixes = ext2_suffixes;
-void InitSoundList(struct ArtworkConfigInfo *config_list, int num_list_entries)
-{
- if (Sound == NULL)
- Sound = checked_calloc(num_list_entries * sizeof(SoundInfo *));
+ /* ---------- initialize artwork reference and content lists ---------- */
- sound_config = config_list;
- num_sounds = num_list_entries;
+ sound_info->sizeof_artwork_list_entry = sizeof(SoundInfo *);
- sound_info.type = ARTWORK_TYPE_SOUNDS;
- sound_info.num_list_entries = num_list_entries;
- sound_info.config_list = config_list;
- sound_info.artwork_list = (struct ArtworkListNodeInfo **)Sound;
- sound_info.file_list = NULL;
- sound_info.load_artwork = Load_WAV;
- sound_info.free_artwork = FreeSound;
-}
+ sound_info->artwork_list =
+ checked_calloc(num_file_list_entries * sizeof(SoundInfo *));
+ sound_info->dynamic_artwork_list = NULL;
-void LoadSoundToList(char *basename, int list_pos)
-{
- if (Sound == NULL || list_pos >= num_sounds)
- return;
+ sound_info->content_list = NULL;
-#if 0
- printf("loading sound '%s' ... [%d]\n",
- basename, getNumNodes(SoundFileList));
-#endif
+ /* ---------- initialize artwork loading/freeing functions ---------- */
- LoadCustomSound(&Sound[list_pos], basename);
+ sound_info->load_artwork = Load_WAV;
+ sound_info->free_artwork = FreeSound;
-#if 0
- printf("loading sound '%s' done [%d]\n",
- basename, getNumNodes(SoundFileList));
-#endif
+ num_sounds = sound_info->num_file_list_entries;
+ Sound = (SoundInfo **)sound_info->artwork_list;
}
static MusicInfo *Load_MOD(char *filename)
{
num_music++;
Music = checked_realloc(Music, num_music * sizeof(MusicInfo *));
- Music[num_music -1] = mus_info;
+ Music[num_music - 1] = mus_info;
}
}
HandleSoundRequest(snd_ctrl);
}
-#if 1
static void ReloadCustomSounds()
{
- ReloadCustomArtworkFiles(&sound_info);
-}
-#else
-static void ReloadCustomSounds()
-{
- static boolean draw_init_text = TRUE; /* only draw at startup */
- int i;
-
-#if 0
- printf("DEBUG: reloading sounds '%s' ...\n",artwork.snd_current_identifier);
-#endif
-
- LoadArtworkConfig(&sound_info);
-
- if (draw_init_text)
- DrawInitText("Loading sounds:", 120, FC_GREEN);
-
#if 0
- printf("DEBUG: reloading %d sounds ...\n", num_sounds);
+ printf("DEBUG: reloading sounds '%s' ...\n", artwork.snd_current_identifier);
#endif
- for(i=0; i<num_sounds; i++)
- {
- if (draw_init_text)
- DrawInitText(sound_config[i].token, 150, FC_YELLOW);
-
- if (sound_config[i].filename)
- LoadSoundToList(sound_config[i].filename, i);
- else
- LoadSoundToList(sound_config[i].default_filename, i);
- }
-
- draw_init_text = FALSE;
-
- /*
- printf("list size == %d\n", getNumNodes(SoundFileList));
- */
-
-#if 0
- dumpList(SoundFileList);
-#endif
+ LoadArtworkConfig(sound_info);
+ ReloadCustomArtworkList(sound_info);
}
-#endif
static void ReloadCustomMusic()
{
printf("DEBUG: reloading music '%s' ...\n", artwork.mus_current_identifier);
#endif
-#if 0
- /* this is done directly in LoadCustomMusic() now */
- FreeAllMusic();
-#endif
-
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;
void FreeAllSounds()
{
- int i;
-
- 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]);
- /*
- FreeSound(Sound[i]);
- */
-
-#if 0
- printf("%s: FREEING SOUNDS -- DONE\n",
- IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT");
-#endif
-
- free(Sound);
-
- Sound = NULL;
- num_sounds = 0;
+ FreeCustomArtworkLists(sound_info);
}
void FreeAllMusic()
projects / rocksndiamonds.git / blobdiff