X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Fsound.c;h=185b1822d9bbe3213a927ba37c803a671897107a;hb=1150bdce04915bf329bd816307fb2507eba80e15;hp=51a75c88dbe5e6a9d7d5f9d1d63e462cd7cc4ff7;hpb=6c76f4a6d82bd6d75b16a3072f61e79865117d8b;p=rocksndiamonds.git diff --git a/src/sound.c b/src/sound.c index 51a75c88..185b1822 100644 --- a/src/sound.c +++ b/src/sound.c @@ -23,51 +23,95 @@ static struct SoundControl emptySoundControl = -1,0,0, FALSE,FALSE,FALSE,FALSE,FALSE, 0,0L,0L,NULL }; -#ifndef MSDOS +#if defined(PLATFORM_UNIX) static int stereo_volume[PSND_MAX_LEFT2RIGHT+1]; static char premix_first_buffer[SND_BLOCKSIZE]; #ifdef VOXWARE static char premix_left_buffer[SND_BLOCKSIZE]; static char premix_right_buffer[SND_BLOCKSIZE]; static int premix_last_buffer[SND_BLOCKSIZE]; -#endif /* VOXWARE */ +#endif static unsigned char playing_buffer[SND_BLOCKSIZE]; -#endif /* MSDOS */ +#endif /* forward declaration of internal functions */ #ifdef VOXWARE static void SoundServer_InsertNewSound(struct SoundControl); -#endif -#ifndef VOXWARE -#ifndef MSDOS +#else +#if defined(PLATFORM_UNIX) static unsigned char linear_to_ulaw(int); static int ulaw_to_linear(unsigned char); #endif #endif + #ifdef HPUX_AUDIO static void HPUX_Audio_Control(); #endif -#ifdef MSDOS + +#if defined(PLATFORM_MSDOS) static void SoundServer_InsertNewSound(struct SoundControl); static void SoundServer_StopSound(int); static void SoundServer_StopAllSounds(); #endif +#if defined(PLATFORM_UNIX) +int OpenAudio(char *audio_device_name) +{ + int audio_fd; + + /* try to open audio device in non-blocking mode */ + if ((audio_fd = open(audio_device_name, O_WRONLY | O_NONBLOCK)) < 0) + return audio_fd; + + /* re-open audio device in blocking mode */ + close(audio_fd); + audio_fd = open(audio_device_name, O_WRONLY); + + return audio_fd; +} + +int CheckAudio(char *audio_device_name) +{ + int audio_fd; + + if (access(audio_device_name, W_OK) != 0) + { + Error(ERR_WARN, "cannot access audio device - no sound"); + return SOUND_OFF; + } + + if ((audio_fd = OpenAudio(sound_device_name)) < 0) + { + Error(ERR_WARN, "cannot open audio device - no sound"); + return SOUND_OFF; + } + + close(audio_fd); + + return SOUND_AVAILABLE; +} + +boolean UnixInitAudio(void) +{ + return TRUE; +} +#endif /* PLATFORM_UNIX */ + void SoundServer() { int i; -#ifndef MSDOS +#if defined(PLATFORM_UNIX) struct SoundControl snd_ctrl; fd_set sound_fdset; - close(sound_pipe[1]); /* no writing into pipe needed */ + close(sysinfo.audio_process_pipe[1]); /* no writing into pipe needed */ #endif for(i=0;i=0) + if (playing_sounds || + (sysinfo.audio_fd = OpenAudio(sound_device_name)) >= 0) { if (!playing_sounds) /* we just opened the audio device */ { @@ -147,12 +197,13 @@ void SoundServer() /* (with stereo the effective buffer size will shrink to 256) */ fragment_size = 0x00020009; - if (ioctl(sound_device, SNDCTL_DSP_SETFRAGMENT, &fragment_size) < 0) + if (ioctl(sysinfo.audio_fd, SNDCTL_DSP_SETFRAGMENT, &fragment_size) + < 0) Error(ERR_EXIT_SOUND_SERVER, "cannot set fragment size of /dev/dsp - no sounds"); /* try if we can use stereo sound */ - if (ioctl(sound_device, SNDCTL_DSP_STEREO, &stereo) < 0) + if (ioctl(sysinfo.audio_fd, SNDCTL_DSP_STEREO, &stereo) < 0) { #ifdef DEBUG static boolean reported = FALSE; @@ -166,12 +217,13 @@ void SoundServer() stereo = FALSE; } - if (ioctl(sound_device, SNDCTL_DSP_SPEED, &sample_rate) < 0) + if (ioctl(sysinfo.audio_fd, SNDCTL_DSP_SPEED, &sample_rate) < 0) Error(ERR_EXIT_SOUND_SERVER, "cannot set sample rate of /dev/dsp - no sounds"); /* get the real fragmentation size; this should return 512 */ - if (ioctl(sound_device, SNDCTL_DSP_GETBLKSIZE, &fragment_size) < 0) + if (ioctl(sysinfo.audio_fd, SNDCTL_DSP_GETBLKSIZE, &fragment_size) + < 0) Error(ERR_EXIT_SOUND_SERVER, "cannot get fragment size of /dev/dsp - no sounds"); @@ -182,9 +234,10 @@ void SoundServer() SoundServer_InsertNewSound(snd_ctrl); while(playing_sounds && - select(sound_pipe[0]+1,&sound_fdset,NULL,NULL,&delay)<1) + select(sysinfo.audio_process_pipe[0] + 1, + &sound_fdset, NULL, NULL, &delay) < 1) { - FD_SET(sound_pipe[0], &sound_fdset); + FD_SET(sysinfo.audio_process_pipe[0], &sound_fdset); /* first clear the last premixing buffer */ memset(premix_last_buffer,0,fragment_size*sizeof(int)); @@ -281,12 +334,12 @@ void SoundServer() } /* finally play the sound fragment */ - write(sound_device,playing_buffer,fragment_size); + write(sysinfo.audio_fd, playing_buffer,fragment_size); } /* if no sounds playing, free device for other sound programs */ if (!playing_sounds) - close(sound_device); + close(sysinfo.audio_fd); } } @@ -301,14 +354,15 @@ void SoundServer() int wait_percent = 90; /* wait 90% of the real playing time */ int i; - if ((sound_device=open(sound_device_name,O_WRONLY))>=0) + if ((sysinfo.audio_fd = OpenAudio(sound_device_name)) >= 0) { playing_sounds = 1; while(playing_sounds && - select(sound_pipe[0]+1,&sound_fdset,NULL,NULL,&delay)<1) + select(sysinfo.audio_process_pipe[0] + 1, + &sound_fdset, NULL, NULL, &delay) < 1) { - FD_SET(sound_pipe[0], &sound_fdset); + FD_SET(sysinfo.audio_process_pipe[0], &sound_fdset); /* get pointer and size of the actual sound sample */ sample_ptr = snd_ctrl.data_ptr + snd_ctrl.playingpos; @@ -335,22 +389,24 @@ void SoundServer() playing_sounds = 0; /* finally play the sound fragment */ - write(sound_device,playing_buffer,sample_size); + write(sysinfo.audio_fd,playing_buffer,sample_size); delay.tv_sec = 0; delay.tv_usec = ((sample_size*10*wait_percent)/(sample_rate))*1000; } - close(sound_device); + close(sysinfo.audio_fd); } } #endif /* !VOXWARE */ } -#endif /* !MSDOS */ + +#endif /* PLATFORM_UNIX */ + } -#ifdef MSDOS +#if defined(PLATFORM_MSDOS) static void sound_handler(struct SoundControl snd_ctrl) { int i; @@ -401,8 +457,9 @@ static void sound_handler(struct SoundControl snd_ctrl) if (snd_ctrl.active) SoundServer_InsertNewSound(snd_ctrl); } -#endif /* MSDOS */ +#endif /* PLATFORM_MSDOS */ +#if !defined(PLATFORM_WIN32) static void SoundServer_InsertNewSound(struct SoundControl snd_ctrl) { int i, k; @@ -414,7 +471,7 @@ static void SoundServer_InsertNewSound(struct SoundControl snd_ctrl) for(i=0;i longword */ -{ - unsigned char *ptr = (unsigned char *)be; - - return(ptr[0]<<24 | ptr[1]<<16 | ptr[2]<<8 | ptr[3]); -} - -static unsigned long le2long(unsigned long *be) /* little-endian -> longword */ -{ - unsigned char *ptr = (unsigned char *)be; - - return(ptr[3]<<24 | ptr[2]<<16 | ptr[1]<<8 | ptr[0]); -} -#endif /* !MSDOS */ +#define CHUNK_ID_LEN 4 /* IFF style chunk id length */ +#define WAV_HEADER_SIZE 20 /* size of WAV file header */ -boolean LoadSound(struct SoundInfo *snd_info) +boolean LoadSound(struct SampleInfo *snd_info) { char filename[256]; char *sound_ext = "wav"; -#ifndef MSDOS - struct SoundHeader_WAV *sound_header; +#if !defined(TARGET_SDL) +#if !defined(PLATFORM_MSDOS) + byte sound_header_buffer[WAV_HEADER_SIZE]; + char chunk[CHUNK_ID_LEN + 1]; + int chunk_length, dummy; FILE *file; int i; +#endif #endif sprintf(filename, "%s/%s/%s.%s", - options.base_directory, SOUNDS_DIRECTORY, snd_info->name, sound_ext); - -#ifndef MSDOS + options.ro_base_directory, SOUNDS_DIRECTORY, + snd_info->name, sound_ext); - if ((file = fopen(filename, "r")) == NULL) - { - Error(ERR_WARN, "cannot open sound file '%s' - no sounds", filename); - return(FALSE); - } +#if defined(TARGET_SDL) - if (fseek(file, 0, SEEK_END) < 0) + snd_info->mix_chunk = Mix_LoadWAV(filename); + if (snd_info->mix_chunk == NULL) { Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); - fclose(file); - return(FALSE); + return FALSE; } - snd_info->file_len = ftell(file); - rewind(file); - - snd_info->file_ptr = checked_malloc(snd_info->file_len); - - if (fread(snd_info->file_ptr, 1, snd_info->file_len, file) != - snd_info->file_len) - { - Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); - fclose(file); - return(FALSE); - } +#else /* !TARGET_SDL */ - fclose(file); - - sound_header = (struct SoundHeader_WAV *)snd_info->file_ptr; - - if (strncmp(sound_header->magic_RIFF, "RIFF", 4) || - snd_info->file_len != le2long(&sound_header->header_size) + 8 || - strncmp(sound_header->magic_WAVE, "WAVE", 4) || - strncmp(sound_header->magic_DATA, "data", 4) || - snd_info->file_len != le2long(&sound_header->data_size) + 44) - { - Error(ERR_WARN, "'%s' is not a RIFF/WAVE file or broken - no sounds", - filename); - return(FALSE); - } - - snd_info->data_ptr = snd_info->file_ptr + 44; - snd_info->data_len = le2long(&sound_header->data_size); - - for (i=0; idata_len; i++) - snd_info->data_ptr[i] = snd_info->data_ptr[i]^0x80; +#if !defined(PLATFORM_MSDOS) -#else /* MSDOS */ - - snd_info->sample_ptr = load_sample(filename); - if (!snd_info->sample_ptr) + if ((file = fopen(filename, "r")) == NULL) { - Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); - return(FALSE); + Error(ERR_WARN, "cannot open sound file '%s' - no sounds", filename); + return FALSE; } -#endif /* MSDOS */ - - return(TRUE); -} - -boolean LoadSound_8SVX(struct SoundInfo *snd_info) -{ - char filename[256]; -#ifndef MSDOS - struct SoundHeader_8SVX *sound_header; - FILE *file; - char *ptr; - char *sound_ext = "8svx"; -#else - char *sound_ext = "wav"; -#endif - - sprintf(filename, "%s/%s/%s.%s", - options.base_directory, SOUNDS_DIRECTORY, snd_info->name, sound_ext); - -#ifndef MSDOS - if (!(file=fopen(filename,"r"))) + /* read chunk "RIFF" */ + getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_LITTLE_ENDIAN); + if (strcmp(chunk, "RIFF") != 0) { - Error(ERR_WARN, "cannot open sound file '%s' - no sounds", filename); - return(FALSE); + Error(ERR_WARN, "missing 'RIFF' chunk of sound file '%s'", filename); + fclose(file); + return FALSE; } - if (fseek(file,0,SEEK_END)<0) + /* read chunk "WAVE" */ + getFileChunk(file, chunk, &dummy, BYTE_ORDER_LITTLE_ENDIAN); + if (strcmp(chunk, "WAVE") != 0) { - Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); + Error(ERR_WARN, "missing 'WAVE' chunk of sound file '%s'", filename); fclose(file); - return(FALSE); + return FALSE; } - snd_info->file_len = ftell(file); - rewind(file); + /* read header information */ + for (i=0; ifile_ptr=malloc(snd_info->file_len))) + /* read chunk "data" */ + getFileChunk(file, chunk, &chunk_length, BYTE_ORDER_LITTLE_ENDIAN); + if (strcmp(chunk, "data") != 0) { - Error(ERR_WARN, "out of memory (this shouldn't happen :) - no sounds"); + Error(ERR_WARN, "missing 'data' chunk of sound file '%s'", filename); fclose(file); - return(FALSE); + return FALSE; } - if (fread(snd_info->file_ptr,1,snd_info->file_len,file)!=snd_info->file_len) + snd_info->data_len = chunk_length; + snd_info->data_ptr = checked_malloc(snd_info->data_len); + + /* read sound data */ + if (fread(snd_info->data_ptr, 1, snd_info->data_len, file) != + snd_info->data_len) { Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); fclose(file); - return(FALSE); + return FALSE; } fclose(file); - sound_header = (struct SoundHeader_8SVX *)snd_info->file_ptr; - - if (strncmp(sound_header->magic_FORM,"FORM",4) || - snd_info->file_len != be2long(&sound_header->chunk_size)+8 || - strncmp(sound_header->magic_8SVX,"8SVX",4)) - { - Error(ERR_WARN, "'%s' is not an IFF/8SVX file or broken - no sounds", - filename); - return(FALSE); - } + for (i=0; idata_len; i++) + snd_info->data_ptr[i] = snd_info->data_ptr[i] ^ 0x80; - ptr = (char *)snd_info->file_ptr + 12; +#else /* PLATFORM_MSDOS */ - while(ptr < (char *)(snd_info->file_ptr + snd_info->file_len)) - { - if (!strncmp(ptr,"VHDR",4)) - { - ptr += be2long((unsigned long *)(ptr + 4)) + 8; - continue; - } - else if (!strncmp(ptr,"ANNO",4)) - { - ptr += be2long((unsigned long *)(ptr + 4)) + 8; - continue; - } - else if (!strncmp(ptr,"CHAN",4)) - { - ptr += be2long((unsigned long *)(ptr + 4)) + 8; - continue; - } - else if (!strncmp(ptr,"BODY",4)) - { - snd_info->data_ptr = (byte *)ptr + 8; - snd_info->data_len = be2long((unsigned long *)(ptr + 4)); - return(TRUE); - } - else - { - /* other chunk not recognized here */ - ptr += be2long((unsigned long *)(ptr + 4)) + 8; - continue; - } - } - - return(FALSE); -#else /* MSDOS */ snd_info->sample_ptr = load_sample(filename); - if(!snd_info->sample_ptr) + if (!snd_info->sample_ptr) { Error(ERR_WARN, "cannot read sound file '%s' - no sounds", filename); - return(FALSE); + return FALSE; } - return(TRUE); -#endif /* MSDOS */ + +#endif /* PLATFORM_MSDOS */ +#endif /* !TARGET_SDL */ + + return TRUE; } void PlaySound(int nr) @@ -923,7 +891,7 @@ void PlaySoundExt(int nr, int volume, int stereo, boolean loop) { struct SoundControl snd_ctrl = emptySoundControl; - if (sound_status==SOUND_OFF || !setup.sound) + if (!sysinfo.audio_available || !setup.sound) return; if (volume