/* Emacs style mode select -*- C++ -*- *----------------------------------------------------------------------------- * * * PrBoom: a Doom port merged with LxDoom and LSDLDoom * based on BOOM, a modified and improved DOOM engine * Copyright (C) 1999 by * id Software, Chi Hoang, Lee Killough, Jim Flynn, Rand Phares, Ty Halderman * Copyright (C) 1999-2000 by * Jess Haas, Nicolas Kalkhof, Colin Phipps, Florian Schulze * Copyright 2005, 2006 by * Florian Schulze, Colin Phipps, Neil Stevens, Andrey Budko * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. * * DESCRIPTION: * System interface for sound. * *----------------------------------------------------------------------------- */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #ifdef HAVE_LIBSDL_MIXER #define HAVE_MIXER #endif #include #ifdef HAVE_UNISTD_H #include #endif #ifdef USE_ANDROID #include "mmus2mid.h" #include "pcm2wav.h" #endif /* #include "SDL.h" #include "SDL_audio.h" #include "SDL_mutex.h" #include "SDL_byteorder.h" #include "SDL_version.h" #ifdef HAVE_MIXER #include "SDL_mixer.h" #endif */ #include "z_zone.h" #include "m_swap.h" #include "i_sound.h" #include "m_argv.h" #include "m_misc.h" #include "w_wad.h" #include "lprintf.h" #include "s_sound.h" #include "doomdef.h" #include "doomstat.h" #include "doomtype.h" #include "d_main.h" // Vladimir #include "include/jni_doom.h" // The number of internal mixing channels, // the samples calculated for each mixing step, // the size of the 16bit, 2 hardware channel (stereo) // mixing buffer, and the samplerate of the raw data. // Variables used by Boom from Allegro // created here to avoid changes to core Boom files int snd_card = 1; int mus_card = 1; int detect_voices = 0; // God knows static boolean sound_inited = false; static boolean first_sound_init = true; extern char *doomWADDir; // Needed for calling the actual sound output. static int SAMPLECOUNT= 512; #define MAX_CHANNELS 32 // MWM 2000-01-08: Sample rate in samples/second int snd_samplerate=11025; // The actual output device. int audio_fd; typedef struct { // SFX id of the playing sound effect. // Used to catch duplicates (like chainsaw). int id; // The channel step amount... unsigned int step; // ... and a 0.16 bit remainder of last step. unsigned int stepremainder; unsigned int samplerate; // The channel data pointers, start and end. const unsigned char* data; const unsigned char* enddata; // Time/gametic that the channel started playing, // used to determine oldest, which automatically // has lowest priority. // In case number of active sounds exceeds // available channels. int starttime; // Hardware left and right channel volume lookup. int *leftvol_lookup; int *rightvol_lookup; } channel_info_t; channel_info_t channelinfo[MAX_CHANNELS]; // Pitch to stepping lookup, unused. int steptable[256]; // Volume lookups. int vol_lookup[128*256]; /* cph * stopchan * Stops a sound, unlocks the data */ static void stopchan(int i) { if (channelinfo[i].data) /* cph - prevent excess unlocks */ { channelinfo[i].data=NULL; W_UnlockLumpNum(S_sfx[channelinfo[i].id].lumpnum); } } // // This function adds a sound to the // list of currently active sounds, // which is maintained as a given number // (eight, usually) of internal channels. // Returns a handle. // static int addsfx(int sfxid, int channel, const unsigned char* data, size_t len) { stopchan(channel); channelinfo[channel].data = data; /* Set pointer to end of raw data. */ channelinfo[channel].enddata = channelinfo[channel].data + len - 1; channelinfo[channel].samplerate = (channelinfo[channel].data[3]<<8)+channelinfo[channel].data[2]; channelinfo[channel].data += 8; /* Skip header */ channelinfo[channel].stepremainder = 0; // Should be gametic, I presume. channelinfo[channel].starttime = gametic; // Preserve sound SFX id, // e.g. for avoiding duplicates of chainsaw. channelinfo[channel].id = sfxid; return channel; } static void updateSoundParams(int handle, int volume, int seperation, int pitch) { int slot = handle; int rightvol; int leftvol; int step = steptable[pitch]; #ifdef RANGECHECK if ((handle < 0) || (handle >= MAX_CHANNELS)) I_Error("I_UpdateSoundParams: handle out of range"); #endif // Set stepping // MWM 2000-12-24: Calculates proportion of channel samplerate // to global samplerate for mixing purposes. // Patched to shift left *then* divide, to minimize roundoff errors // as well as to use SAMPLERATE as defined above, not to assume 11025 Hz if (pitched_sounds) channelinfo[slot].step = step + (((channelinfo[slot].samplerate<<16)/snd_samplerate)-65536); else channelinfo[slot].step = ((channelinfo[slot].samplerate<<16)/snd_samplerate); // Separation, that is, orientation/stereo. // range is: 1 - 256 seperation += 1; // Per left/right channel. // x^2 seperation, // adjust volume properly. leftvol = volume - ((volume*seperation*seperation) >> 16); seperation = seperation - 257; rightvol= volume - ((volume*seperation*seperation) >> 16); // Sanity check, clamp volume. if (rightvol < 0 || rightvol > 127) I_Error("rightvol out of bounds"); if (leftvol < 0 || leftvol > 127) I_Error("leftvol out of bounds"); // Get the proper lookup table piece // for this volume level??? channelinfo[slot].leftvol_lookup = &vol_lookup[leftvol*256]; channelinfo[slot].rightvol_lookup = &vol_lookup[rightvol*256]; } void I_UpdateSoundParams(int handle, int volume, int seperation, int pitch) { // Vladimir //SDL_LockAudio(); //updateSoundParams(handle, volume, seperation, pitch); //SDL_UnlockAudio(); } // // SFX API // Note: this was called by S_Init. // However, whatever they did in the // old DPMS based DOS version, this // were simply dummies in the Linux // version. // See soundserver initdata(). // void I_SetChannels(void) { // Init internal lookups (raw data, mixing buffer, channels). // This function sets up internal lookups used during // the mixing process. int i; int j; int* steptablemid = steptable + 128; // Okay, reset internal mixing channels to zero. for (i=0; iname); return W_GetNumForName(namebuf); } // // Starting a sound means adding it // to the current list of active sounds // in the internal channels. // As the SFX info struct contains // e.g. a pointer to the raw data, // it is ignored. // As our sound handling does not handle // priority, it is ignored. // Pitching (that is, increased speed of playback) // is set, but currently not used by mixing. // extern void jni_start_sound (const char * name, int vol); int I_StartSound(int id, int channel, int vol, int sep, int pitch, int priority) { const unsigned char* data; int lump; size_t len; if ((channel < 0) || (channel >= MAX_CHANNELS)) #ifdef RANGECHECK I_Error("I_StartSound: handle out of range"); #else return -1; #endif lump = S_sfx[id].lumpnum; // We will handle the new SFX. // Set pointer to raw data. len = W_LumpLength(lump); // e6y: Crash with zero-length sounds. // Example wad: dakills (http://www.doomworld.com/idgames/index.php?id=2803) // The entries DSBSPWLK, DSBSPACT, DSSWTCHN and DSSWTCHX are all zero-length sounds if (len<=8) return -1; /* Find padded length */ len -= 8; // do the lump caching outside the SDL_LockAudio/SDL_UnlockAudio pair // use locking which makes sure the sound data is in a malloced area and // not in a memory mapped one data = W_LockLumpNum(lump); if( !writeSoundFile(S_sfx[id].name, data, len)) printf("Unable to write sound file %s!\n", S_sfx[id].name); // Vladimir //printf("I_StartSound id:%d, channel:%d, name %s\n", id, channel, S_sfx[id].name); jni_start_sound(S_sfx[id].name , vol); /* SDL_LockAudio(); // Returns a handle (not used). addsfx(id, channel, data, len); updateSoundParams(channel, vol, sep, pitch); SDL_UnlockAudio(); */ return channel; } void I_StopSound (int handle) { #ifdef RANGECHECK if ((handle < 0) || (handle >= MAX_CHANNELS)) I_Error("I_StopSound: handle out of range"); #endif printf("I_StopSound handle:%d\n", handle); /* Vladimir SDL_LockAudio(); stopchan(handle); SDL_UnlockAudio(); */ } boolean I_SoundIsPlaying(int handle) { #ifdef RANGECHECK if ((handle < 0) || (handle >= MAX_CHANNELS)) I_Error("I_SoundIsPlaying: handle out of range"); #endif return channelinfo[handle].data != NULL; } boolean I_AnySoundStillPlaying(void) { boolean result = false; int i; for (i=0; i> 16; // Add left and right part // for this channel (sound) // to the current data. // Adjust volume accordingly. dl += channelinfo[chan].leftvol_lookup[sample]; dr += channelinfo[chan].rightvol_lookup[sample]; // Increment index ??? channelinfo[chan].stepremainder += channelinfo[chan].step; // MSB is next sample??? channelinfo[chan].data += channelinfo[chan].stepremainder >> 16; // Limit to LSB??? channelinfo[chan].stepremainder &= 0xffff; // Check whether we are done. if (channelinfo[chan].data >= channelinfo[chan].enddata) stopchan(chan); } } // Clamp to range. Left hardware channel. // Has been char instead of short. // if (dl > 127) *leftout = 127; // else if (dl < -128) *leftout = -128; // else *leftout = dl; if (dl > SHRT_MAX) *leftout = SHRT_MAX; else if (dl < SHRT_MIN) *leftout = SHRT_MIN; else *leftout = (signed short)dl; // Same for right hardware channel. if (dr > SHRT_MAX) *rightout = SHRT_MAX; else if (dr < SHRT_MIN) *rightout = SHRT_MIN; else *rightout = (signed short)dr; // Increment current pointers in stream leftout += step; rightout += step; } } void I_ShutdownSound(void) { if (sound_inited) { lprintf(LO_INFO, "I_ShutdownSound: "); #ifdef HAVE_MIXER Mix_CloseAudio(); #else // Vladimir SDL_CloseAudio(); #endif lprintf(LO_INFO, "\n"); sound_inited = false; } } //static SDL_AudioSpec audio; void I_InitSound(void) { #ifdef HAVE_MIXER int audio_rate; Uint16 audio_format; int audio_channels; int audio_buffers; if (sound_inited) I_ShutdownSound(); // Secure and configure sound device first. lprintf(LO_INFO,"I_InitSound: "); /* Initialize variables */ audio_rate = snd_samplerate; #if ( SDL_BYTEORDER == SDL_BIG_ENDIAN ) audio_format = AUDIO_S16MSB; #else audio_format = AUDIO_S16LSB; #endif audio_channels = 2; SAMPLECOUNT = 512; audio_buffers = SAMPLECOUNT*snd_samplerate/11025; if (Mix_OpenAudio(audio_rate, audio_format, audio_channels, audio_buffers) < 0) { lprintf(LO_INFO,"couldn't open audio with desired format\n"); return; } sound_inited = true; SAMPLECOUNT = audio_buffers; Mix_SetPostMix(I_UpdateSound, NULL); lprintf(LO_INFO," configured audio device with %d samples/slice\n", SAMPLECOUNT); #else // Secure and configure sound device first. //lprintf(LO_INFO,"I_InitSound: "); /* Vladimir SDL_AudioSpec audio; // Open the audio device audio.freq = snd_samplerate; #if ( SDL_BYTEORDER == SDL_BIG_ENDIAN ) audio.format = AUDIO_S16MSB; #else audio.format = AUDIO_S16LSB; #endif audio.channels = 2; audio.samples = SAMPLECOUNT*snd_samplerate/11025; audio.callback = I_UpdateSound; if ( SDL_OpenAudio(&audio, NULL) < 0 ) { lprintf(LO_INFO,"couldn't open audio with desired format\n"); return; } SAMPLECOUNT = audio.samples; lprintf(LO_INFO," configured audio device with %d samples/slice\n", SAMPLECOUNT); */ #endif if (first_sound_init) { atexit(I_ShutdownSound); first_sound_init = false; } if (!nomusicparm) I_InitMusic(); // Finished initialization. lprintf(LO_INFO,"I_InitSound: sound module ready\n"); /* Vladimir #ifndef HAVE_MIXER SDL_PauseAudio(0); #endif */ } // // MUSIC API. // #ifndef HAVE_OWN_MUSIC #ifdef USE_ANDROID char* music_tmp = NULL; /* cph - name of music temporary file */ #endif #ifdef HAVE_MIXER #include "SDL_mixer.h" #include "mmus2mid.h" static Mix_Music *music[2] = { NULL, NULL }; char* music_tmp = NULL; /* cph - name of music temporary file */ #endif void I_ShutdownMusic(void) { #ifdef HAVE_MIXER if (music_tmp) { unlink(music_tmp); lprintf(LO_DEBUG, "I_ShutdownMusic: removing %s\n", music_tmp); free(music_tmp); music_tmp = NULL; } #endif #ifdef USE_ANDROID if (music_tmp) { unlink(music_tmp); lprintf(LO_DEBUG, "I_ShutdownMusic: removing %s\n", music_tmp); free(music_tmp); music_tmp = NULL; } #endif } void I_InitMusic(void) { #ifdef HAVE_MIXER if (!music_tmp) { #ifndef _WIN32 music_tmp = strdup("/tmp/prboom-music-XXXXXX"); { int fd = mkstemp(music_tmp); if (fd<0) { lprintf(LO_ERROR, "I_InitMusic: failed to create music temp file %s", music_tmp); free(music_tmp); return; } else close(fd); } #else /* !_WIN32 */ music_tmp = strdup("doom.tmp"); #endif atexit(I_ShutdownMusic); } #endif #ifdef USE_ANDROID if (!music_tmp) { music_tmp = strdup("/sdcard/doom/sound/prboom-music-XXXXXX.mid"); { int fd = mkstemp(music_tmp); if (fd<0) { lprintf(LO_ERROR, "I_InitMusic: failed to create music temp file %s", music_tmp); free(music_tmp); return; } else close(fd); } atexit(I_ShutdownMusic); } #endif } void I_PlaySong(int handle, int looping) { #ifdef HAVE_MIXER if ( music[handle] ) { Mix_FadeInMusic(music[handle], looping ? -1 : 0, 500); } #endif } extern int mus_pause_opt; // From m_misc.c void I_PauseSong (int handle) { #ifdef HAVE_MIXER switch(mus_pause_opt) { case 0: I_StopSong(handle); break; case 1: Mix_PauseMusic(); break; } #endif // Default - let music continue } void I_ResumeSong (int handle) { #ifdef HAVE_MIXER switch(mus_pause_opt) { case 0: I_PlaySong(handle,1); break; case 1: Mix_ResumeMusic(); break; } #endif /* Otherwise, music wasn't stopped */ } void I_StopSong(int handle) { #ifdef HAVE_MIXER Mix_FadeOutMusic(500); #endif } void I_UnRegisterSong(int handle) { #ifdef HAVE_MIXER if ( music[handle] ) { Mix_FreeMusic(music[handle]); music[handle] = NULL; } #endif } int I_RegisterSong(const void *data, size_t len) { #ifdef HAVE_MIXER MIDI *mididata; FILE *midfile; if ( len < 32 ) return 0; // the data should at least as big as the MUS header if ( music_tmp == NULL ) return 0; midfile = fopen(music_tmp, "wb"); if ( midfile == NULL ) { lprintf(LO_ERROR,"Couldn't write MIDI to %s\n", music_tmp); return 0; } /* Convert MUS chunk to MIDI? */ if ( memcmp(data, "MUS", 3) == 0 ) { UBYTE *mid; int midlen; mididata = malloc(sizeof(MIDI)); mmus2mid(data, mididata, 89, 0); MIDIToMidi(mididata,&mid,&midlen); M_WriteFile(music_tmp,mid,midlen); free(mid); free_mididata(mididata); free(mididata); } else { fwrite(data, len, 1, midfile); } fclose(midfile); music[0] = Mix_LoadMUS(music_tmp); if ( music[0] == NULL ) { lprintf(LO_ERROR,"Couldn't load MIDI from %s: %s\n", music_tmp, Mix_GetError()); } #endif #ifdef USE_ANDROID MIDI *mididata; FILE *midfile; if ( len < 32 ) return 0; // the data should at least as big as the MUS header if ( music_tmp == NULL ) return 0; midfile = fopen(music_tmp, "wb"); if ( midfile == NULL ) { lprintf(LO_ERROR,"Couldn't write MIDI to %s\n", music_tmp); return 0; } /* Convert MUS chunk to MIDI? */ if ( memcmp(data, "MUS", 3) == 0 ) { UBYTE *mid; int midlen; mididata = malloc(sizeof(MIDI)); mmus2mid(data, mididata, 89, 0); MIDIToMidi(mididata,&mid,&midlen); M_WriteFile(music_tmp,mid,midlen); free(mid); free_mididata(mididata); free(mididata); } else { fwrite(data, len, 1, midfile); } fclose(midfile); #endif return (0); } // cournia - try to load a music file into SDL_Mixer // returns true if could not load the file int I_RegisterMusic( const char* filename, musicinfo_t *song ) { //printf("I_RegisterMusic %s handle:%d\n", filename, song->handle); #ifdef HAVE_MIXER if (!filename) return 1; if (!song) return 1; music[0] = Mix_LoadMUS(filename); if (music[0] == NULL) { lprintf(LO_WARN,"Couldn't load music from %s: %s\nAttempting to load default MIDI music.\n", filename, Mix_GetError()); return 1; } else { song->data = 0; song->handle = 0; song->lumpnum = 0; return 0; } #else return 1; #endif } void I_SetMusicVolume(int volume) { #ifdef HAVE_MIXER Mix_VolumeMusic(volume*8); #endif } int writeSoundFile(const char * name, const unsigned char * buffer, size_t len) { char fileName[80]; const char *header = "RIFF"; FILE *file; size_t written; int32_t datasize; int32_t phys_size; int16_t type,headsize; uint16_t speed; char *data; sprintf(fileName, "%s%s%s%s", doomWADDir, "/sound/", name, ".wav"); //strcpy(fileName, doomWADDir); //strcpy(fileName, "/sound/"); //strcat(fileName, name); //strcat(fileName, ".wav"); file = fopen(fileName, "r"); if(!file) { headsize = sizeof(int16_t)+sizeof(int16_t)+sizeof(int32_t); type = peek_i16_le (buffer); speed = peek_u16_le (buffer + 2); datasize = peek_i32_le (buffer + 4); data = buffer+(headsize); //file = fopen(fileName, "wb"); //fwrite(header, sizeof(char), 4, file); //written = fwrite(data, sizeof(char), len, file); //fclose(file); //if(written != len) //return 0; SNDsaveWave(fileName, data, datasize, speed); } else fclose(file); return 1; } #endif /* HAVE_OWN_MUSIC */