X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsound.c;h=b29d5dd62616a3dc9b1f245b2cb83707b9cf6397;hb=cb5fe20318d9b2c18cb82bc1f7197150cfba7bc0;hp=048829f579247e404b95d3e8f9ae7c1236d7acd6;hpb=2f1f47c267eb7b16d95eb25cfb53eb5effedea9a;p=rocksndiamonds.git diff --git a/src/libgame/sound.c b/src/libgame/sound.c index 048829f5..b29d5dd6 100644 --- a/src/libgame/sound.c +++ b/src/libgame/sound.c @@ -37,19 +37,17 @@ #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 -#if defined(TARGET_SDL) /* one second fading interval == 1000 ticks (milliseconds) */ #define SOUND_FADING_INTERVAL 1000 -#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 @@ -70,6 +68,9 @@ #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 @@ -90,6 +91,18 @@ struct SoundHeader_8SVX }; #endif +#if defined(AUDIO_UNIX_NATIVE) +struct SoundHeader_WAV +{ + unsigned short compression_code; + unsigned short num_channels; + unsigned long sample_rate; + unsigned long bytes_per_second; + unsigned short block_align; + unsigned short bits_per_sample; +}; +#endif + struct AudioFormatInfo { boolean stereo; /* availability of stereo sound */ @@ -105,8 +118,8 @@ struct SampleInfo int type; int format; - long data_len; - void *data_ptr; + void *data_ptr; /* pointer to first sample (8 or 16 bit) */ + long data_len; /* number of samples, NOT number of bytes */ }; typedef struct SampleInfo SoundInfo; typedef struct SampleInfo MusicInfo; @@ -126,10 +139,10 @@ struct SoundControl int type; int format; - long data_len; - void *data_ptr; + void *data_ptr; /* pointer to first sample (8 or 16 bit) */ + long data_len; /* number of samples, NOT number of bytes */ -#if defined(PLATFORM_MSDOS) +#if defined(TARGET_ALLEGRO) int voice; #endif }; @@ -155,6 +168,7 @@ 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]; /* ========================================================================= */ @@ -630,30 +644,56 @@ static boolean Mixer_ChannelExpired(int channel) 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); @@ -684,7 +724,7 @@ static void Mixer_StopChannel(int 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 @@ -711,7 +751,7 @@ static void Mixer_FadeChannel(int channel) #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 @@ -732,11 +772,11 @@ static void Mixer_UnFadeChannel(int channel) 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, @@ -775,6 +815,11 @@ 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(); @@ -801,11 +846,20 @@ static void Mixer_InsertSound(SoundControl snd_ctrl) 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 } } @@ -982,6 +1036,8 @@ static void HandleSoundRequest(SoundControl snd_ctrl) void StartMixer(void) { + int i; + #if 0 SDL_version compile_version; const SDL_version *link_version; @@ -1000,6 +1056,11 @@ 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; @@ -1028,8 +1089,6 @@ 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]; @@ -1041,15 +1100,6 @@ 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; @@ -1125,27 +1175,23 @@ 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> 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> 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]; @@ -1231,11 +1277,10 @@ static int Mixer_Main_SimpleAudio(SoundControl snd_ctrl) 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> 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 @@ -1453,12 +1498,15 @@ 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) + struct SoundHeader_WAV header; +#if 0 byte sound_header_buffer[WAV_HEADER_SIZE]; + int i; +#endif char chunk_name[CHUNK_ID_LEN + 1]; int chunk_size; FILE *file; - int i; #endif if (!audio.sound_available) @@ -1502,7 +1550,7 @@ static SoundInfo *Load_WAV(char *filename) } /* read chunk id "RIFF" */ - getFileChunk(file, chunk_name, &chunk_size, BYTE_ORDER_LITTLE_ENDIAN); + getFileChunkLE(file, chunk_name, &chunk_size); if (strcmp(chunk_name, "RIFF") != 0) { Error(ERR_WARN, "missing 'RIFF' chunk of sound file '%s'", filename); @@ -1512,7 +1560,7 @@ static SoundInfo *Load_WAV(char *filename) } /* read "RIFF" type id "WAVE" */ - getFileChunk(file, chunk_name, NULL, BYTE_ORDER_LITTLE_ENDIAN); + getFileChunkLE(file, chunk_name, NULL); if (strcmp(chunk_name, "WAVE") != 0) { Error(ERR_WARN, "missing 'WAVE' type ID of sound file '%s'", filename); @@ -1521,16 +1569,69 @@ static SoundInfo *Load_WAV(char *filename) return NULL; } - while (getFileChunk(file, chunk_name, &chunk_size, BYTE_ORDER_LITTLE_ENDIAN)) + while (getFileChunkLE(file, chunk_name, &chunk_size)) { if (strcmp(chunk_name, "fmt ") == 0) { - /* read header information */ - for (i=0; i < MIN(chunk_size, WAV_HEADER_SIZE); i++) - sound_header_buffer[i] = fgetc(file); + if (chunk_size < WAV_HEADER_SIZE) + { + Error(ERR_WARN, "sound file '%s': chunk 'fmt ' too short", filename); + fclose(file); + free(snd_info); + return NULL; + } + + header.compression_code = getFile16BitLE(file); + header.num_channels = getFile16BitLE(file); + header.sample_rate = getFile32BitLE(file); + header.bytes_per_second = getFile32BitLE(file); + header.block_align = getFile16BitLE(file); + header.bits_per_sample = getFile16BitLE(file); if (chunk_size > WAV_HEADER_SIZE) ReadUnusedBytesFromFile(file, chunk_size - WAV_HEADER_SIZE); + + if (header.compression_code != 1) + { + Error(ERR_WARN, "sound file '%s': compression code %d not supported", + filename, header.compression_code); + fclose(file); + free(snd_info); + return NULL; + } + + if (header.num_channels != 1) + { + Error(ERR_WARN, "sound file '%s': number of %d channels not supported", + filename, header.num_channels); + fclose(file); + free(snd_info); + return NULL; + } + + 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); + fclose(file); + free(snd_info); + return NULL; + } + + /* warn, but accept wrong sample rate (may be only slightly different) */ + if (header.sample_rate != DEFAULT_AUDIO_SAMPLE_RATE) + Error(ERR_WARN, "sound file '%s': wrong sample rate %d instead of %d", + filename, header.sample_rate, DEFAULT_AUDIO_SAMPLE_RATE); + +#if 0 + printf("WAV file: '%s'\n", filename); + printf(" Compression code: %d'\n", header.compression_code); + printf(" Number of channels: %d'\n", header.num_channels); + printf(" Sample rate: %ld'\n", header.sample_rate); + printf(" Average bytes per second: %ld'\n", header.bytes_per_second); + printf(" Block align: %d'\n", header.block_align); + printf(" Significant bits per sample: %d'\n", header.bits_per_sample); +#endif } else if (strcmp(chunk_name, "data") == 0) { @@ -1565,7 +1666,13 @@ static SoundInfo *Load_WAV(char *filename) return NULL; } - snd_info->format = AUDIO_FORMAT_U8; + if (header.bits_per_sample == 8) + snd_info->format = AUDIO_FORMAT_U8; + else /* header.bits_per_sample == 16 */ + { + snd_info->format = AUDIO_FORMAT_S16; + snd_info->data_len /= 2; /* correct number of samples */ + } #endif /* AUDIO_UNIX_NATIVE */ @@ -1643,6 +1750,10 @@ 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); @@ -1713,6 +1824,7 @@ 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; @@ -1727,12 +1839,18 @@ 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)) @@ -1750,6 +1868,8 @@ 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); @@ -1765,22 +1885,22 @@ 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_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) @@ -1792,15 +1912,15 @@ 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; @@ -1944,6 +2064,10 @@ 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