/* Copyright (C) 1994-1995 Apogee Software, Ltd. 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. */ /********************************************************************** module: FX_MAN.C author: James R. Dose date: March 17, 1994 Device independant sound effect routines. (c) Copyright 1994 James R. Dose. All Rights Reserved. **********************************************************************/ #include #include #include #include "sndcards.h" #include "drivers.h" #include "multivoc.h" #include "fx_man.h" #if defined __POWERPC__ || defined GEKKO #define LITTLE16(s) (((uint16_t)(s) >> 8) | ((uint16_t)(s) << 8)) #define LITTLE32(s) ((uint32_t)(s) >> 24) | ((uint32_t)(s) << 24) | (((uint32_t)(s)&0xff00) << 8) | (((uint32_t)(s) & 0xff0000) >> 8) #else #define LITTLE16 #define LITTLE32 #endif #define TRUE ( 1 == 1 ) #define FALSE ( !TRUE ) int32_t FX_ErrorCode = FX_Ok; int32_t FX_Installed = FALSE; #define FX_SetErrorCode( status ) \ FX_ErrorCode = ( status ); /*--------------------------------------------------------------------- Function: FX_ErrorString Returns a pointer to the error message associated with an error number. A -1 returns a pointer the current error. ---------------------------------------------------------------------*/ const char *FX_ErrorString ( int32_t ErrorNumber ) { const char *ErrorString; switch (ErrorNumber) { case FX_Warning : case FX_Error : ErrorString = FX_ErrorString(FX_ErrorCode); break; case FX_Ok : ErrorString = "Fx ok."; break; case FX_SoundCardError : ErrorString = SoundDriver_ErrorString(SoundDriver_GetError()); break; case FX_InvalidCard : ErrorString = "Invalid Sound Fx device."; break; case FX_MultiVocError : ErrorString = MV_ErrorString(MV_Error); break; default : ErrorString = "Unknown Fx error code."; break; } return ErrorString; } /*--------------------------------------------------------------------- Function: FX_Init Selects which sound device to use. ---------------------------------------------------------------------*/ int32_t FX_Init ( int32_t SoundCard, int32_t numvoices, int32_t numchannels, int32_t samplebits, unsigned mixrate, void * initdata ) { int32_t status; int32_t devicestatus; if (FX_Installed) { FX_Shutdown(); } if (SoundCard == ASS_AutoDetect) { #if defined HAVE_DS SoundCard = ASS_DirectSound; #elif defined HAVE_SDL SoundCard = ASS_SDL; #else #warning No sound driver selected! SoundCard = ASS_NoSound; #endif } if (SoundCard < 0 || SoundCard >= ASS_NumSoundCards) { FX_SetErrorCode(FX_InvalidCard); status = FX_Error; return status; } if (SoundDriver_IsSupported(SoundCard) == 0) { // unsupported cards fall back to no sound SoundCard = ASS_NoSound; } status = FX_Ok; devicestatus = MV_Init(SoundCard, mixrate, numvoices, numchannels, samplebits, initdata); if (devicestatus != MV_Ok) { FX_SetErrorCode(FX_MultiVocError); status = FX_Error; } if (status == FX_Ok) { FX_Installed = TRUE; } return status; } /*--------------------------------------------------------------------- Function: FX_Shutdown Terminates use of sound device. ---------------------------------------------------------------------*/ int32_t FX_Shutdown ( void ) { int32_t status; if (!FX_Installed) { return FX_Ok; } status = MV_Shutdown(); if (status != MV_Ok) { FX_SetErrorCode(FX_MultiVocError); status = FX_Error; } FX_Installed = FALSE; return status; } /*--------------------------------------------------------------------- Function: FX_SetCallback Sets the function to call when a voice is done. ---------------------------------------------------------------------*/ int32_t FX_SetCallBack ( void (*function)(uint32_t) ) { int32_t status; status = FX_Ok; MV_SetCallBack(function); return status; } /*--------------------------------------------------------------------- Function: FX_SetVolume Sets the volume of the current sound device. ---------------------------------------------------------------------*/ void FX_SetVolume ( int32_t volume ) { MV_SetVolume(volume); } /*--------------------------------------------------------------------- Function: FX_GetVolume Returns the volume of the current sound device. ---------------------------------------------------------------------*/ int32_t FX_GetVolume ( void ) { int32_t volume; volume = MV_GetVolume(); return volume; } /*--------------------------------------------------------------------- Function: FX_SetReverseStereo Set the orientation of the left and right channels. ---------------------------------------------------------------------*/ void FX_SetReverseStereo ( int32_t setting ) { MV_SetReverseStereo(setting); } /*--------------------------------------------------------------------- Function: FX_GetReverseStereo Returns the orientation of the left and right channels. ---------------------------------------------------------------------*/ int32_t FX_GetReverseStereo ( void ) { return MV_GetReverseStereo(); } /*--------------------------------------------------------------------- Function: FX_SetReverb Sets the reverb level. ---------------------------------------------------------------------*/ void FX_SetReverb ( int32_t reverb ) { MV_SetReverb(reverb); } /*--------------------------------------------------------------------- Function: FX_SetFastReverb Sets the reverb level. ---------------------------------------------------------------------*/ void FX_SetFastReverb ( int32_t reverb ) { MV_SetFastReverb(reverb); } /*--------------------------------------------------------------------- Function: FX_GetMaxReverbDelay Returns the maximum delay time for reverb. ---------------------------------------------------------------------*/ int32_t FX_GetMaxReverbDelay ( void ) { return MV_GetMaxReverbDelay(); } /*--------------------------------------------------------------------- Function: FX_GetReverbDelay Returns the current delay time for reverb. ---------------------------------------------------------------------*/ int32_t FX_GetReverbDelay ( void ) { return MV_GetReverbDelay(); } /*--------------------------------------------------------------------- Function: FX_SetReverbDelay Sets the delay level of reverb to add to mix. ---------------------------------------------------------------------*/ void FX_SetReverbDelay ( int32_t delay ) { MV_SetReverbDelay(delay); } /*--------------------------------------------------------------------- Function: FX_VoiceAvailable Checks if a voice can be play at the specified priority. ---------------------------------------------------------------------*/ int32_t FX_VoiceAvailable ( int32_t priority ) { return MV_VoiceAvailable(priority); } /*--------------------------------------------------------------------- Function: FX_PauseVoice Stops the voice associated with the specified handle from looping without stoping the sound. ---------------------------------------------------------------------*/ int32_t FX_PauseVoice ( int32_t handle, int32_t pause ) { int32_t status; status = MV_PauseVoice(handle, pause); if (status == MV_Error) { FX_SetErrorCode(FX_MultiVocError); status = FX_Warning; } return status; } /*--------------------------------------------------------------------- Function: FX_EndLooping Stops the voice associated with the specified handle from looping without stoping the sound. ---------------------------------------------------------------------*/ int32_t FX_EndLooping ( int32_t handle ) { int32_t status; status = MV_EndLooping(handle); if (status == MV_Error) { FX_SetErrorCode(FX_MultiVocError); status = FX_Warning; } return status; } /*--------------------------------------------------------------------- Function: FX_SetPan Sets the stereo and mono volume level of the voice associated with the specified handle. ---------------------------------------------------------------------*/ int32_t FX_SetPan ( int32_t handle, int32_t vol, int32_t left, int32_t right ) { int32_t status; status = MV_SetPan(handle, vol, left, right); if (status == MV_Error) { FX_SetErrorCode(FX_MultiVocError); status = FX_Warning; } return status; } /*--------------------------------------------------------------------- Function: FX_SetPitch Sets the pitch of the voice associated with the specified handle. ---------------------------------------------------------------------*/ int32_t FX_SetPitch ( int32_t handle, int32_t pitchoffset ) { int32_t status; status = MV_SetPitch(handle, pitchoffset); if (status == MV_Error) { FX_SetErrorCode(FX_MultiVocError); status = FX_Warning; } return status; } /*--------------------------------------------------------------------- Function: FX_SetFrequency Sets the frequency of the voice associated with the specified handle. ---------------------------------------------------------------------*/ int32_t FX_SetFrequency ( int32_t handle, int32_t frequency ) { int32_t status; status = MV_SetFrequency(handle, frequency); if (status == MV_Error) { FX_SetErrorCode(FX_MultiVocError); status = FX_Warning; } return status; } /*--------------------------------------------------------------------- Function: FX_PlayVOC Begin playback of sound data with the given volume and priority. ---------------------------------------------------------------------*/ int32_t FX_PlayVOC ( char *ptr, uint32_t ptrlength, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval ) { return FX_PlayLoopedVOC(ptr, ptrlength, -1, -1, pitchoffset, vol, left, right, priority, callbackval); } /*--------------------------------------------------------------------- Function: FX_PlayLoopedVOC Begin playback of sound data with the given volume and priority. ---------------------------------------------------------------------*/ int32_t FX_PlayLoopedVOC ( char *ptr, uint32_t ptrlength, int32_t loopstart, int32_t loopend, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval ) { int32_t handle; handle = MV_PlayVOC(ptr, ptrlength, loopstart, loopend, pitchoffset, vol, left, right, priority, callbackval); if (handle < MV_Ok) { FX_SetErrorCode(FX_MultiVocError); handle = FX_Warning; } return handle; } /*--------------------------------------------------------------------- Function: FX_PlayWAV Begin playback of sound data with the given volume and priority. ---------------------------------------------------------------------*/ int32_t FX_PlayWAV ( char *ptr, uint32_t ptrlength, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval ) { return FX_PlayLoopedWAV(ptr, ptrlength, -1, -1, pitchoffset, vol, left, right, priority, callbackval); } /*--------------------------------------------------------------------- Function: FX_PlayWAV Begin playback of sound data with the given volume and priority. ---------------------------------------------------------------------*/ int32_t FX_PlayLoopedWAV ( char *ptr, uint32_t ptrlength, int32_t loopstart, int32_t loopend, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval ) { int32_t handle; handle = MV_PlayWAV(ptr, ptrlength, loopstart, loopend, pitchoffset, vol, left, right, priority, callbackval); if (handle < MV_Ok) { FX_SetErrorCode(FX_MultiVocError); handle = FX_Warning; } return handle; } /*--------------------------------------------------------------------- Function: FX_PlayVOC3D Begin playback of sound data at specified angle and distance from listener. ---------------------------------------------------------------------*/ int32_t FX_PlayVOC3D ( char *ptr, uint32_t ptrlength, int32_t pitchoffset, int32_t angle, int32_t distance, int32_t priority, uint32_t callbackval ) { int32_t handle; handle = MV_PlayVOC3D(ptr, ptrlength, pitchoffset, angle, distance, priority, callbackval); if (handle < MV_Ok) { FX_SetErrorCode(FX_MultiVocError); handle = FX_Warning; } return handle; } /*--------------------------------------------------------------------- Function: FX_PlayWAV3D Begin playback of sound data at specified angle and distance from listener. ---------------------------------------------------------------------*/ int32_t FX_PlayWAV3D ( char *ptr, uint32_t ptrlength, int32_t pitchoffset, int32_t angle, int32_t distance, int32_t priority, uint32_t callbackval ) { int32_t handle; handle = MV_PlayWAV3D(ptr, ptrlength, pitchoffset, angle, distance, priority, callbackval); if (handle < MV_Ok) { FX_SetErrorCode(FX_MultiVocError); handle = FX_Warning; } return handle; } /*--------------------------------------------------------------------- Function: FX_PlayRaw Begin playback of raw sound data with the given volume and priority. ---------------------------------------------------------------------*/ int32_t FX_PlayRaw ( char *ptr, uint32_t length, unsigned rate, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval ) { return FX_PlayLoopedRaw(ptr, length, NULL, NULL, rate, pitchoffset, vol, left, right, priority, callbackval); } /*--------------------------------------------------------------------- Function: FX_PlayLoopedRaw Begin playback of raw sound data with the given volume and priority. ---------------------------------------------------------------------*/ int32_t FX_PlayLoopedRaw ( char *ptr, uint32_t length, char *loopstart, char *loopend, unsigned rate, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval ) { int32_t handle; handle = MV_PlayRaw(ptr, length, loopstart, loopend, rate, pitchoffset, vol, left, right, priority, callbackval); if (handle < MV_Ok) { FX_SetErrorCode(FX_MultiVocError); handle = FX_Warning; } return handle; } /*--------------------------------------------------------------------- Function: FX_Pan3D Set the angle and distance from the listener of the voice associated with the specified handle. ---------------------------------------------------------------------*/ int32_t FX_Pan3D(int32_t handle,int32_t angle,int32_t distance) { int32_t status; status = MV_Pan3D(handle, angle, distance); if (status != MV_Ok) { FX_SetErrorCode(FX_MultiVocError); status = FX_Warning; } return status; } /*--------------------------------------------------------------------- Function: FX_SoundActive Tests if the specified sound is currently playing. ---------------------------------------------------------------------*/ int32_t FX_SoundActive(int32_t handle) { return MV_VoicePlaying(handle); } /*--------------------------------------------------------------------- Function: FX_SoundsPlaying Reports the number of voices playing. ---------------------------------------------------------------------*/ int32_t FX_SoundsPlaying(void) { return MV_VoicesPlaying(); } /*--------------------------------------------------------------------- Function: FX_StopSound Halts playback of a specific voice ---------------------------------------------------------------------*/ int32_t FX_StopSound(int32_t handle) { int32_t status; status = MV_Kill(handle); if (status != MV_Ok) { FX_SetErrorCode(FX_MultiVocError); return FX_Warning; } return FX_Ok; } /*--------------------------------------------------------------------- Function: FX_StopAllSounds Halts playback of all sounds. ---------------------------------------------------------------------*/ int32_t FX_StopAllSounds ( void ) { int32_t status; status = MV_KillAllVoices(); if (status != MV_Ok) { FX_SetErrorCode(FX_MultiVocError); return FX_Warning; } return FX_Ok; } /*--------------------------------------------------------------------- Function: FX_StartDemandFeedPlayback Plays a digitized sound from a user controlled buffering system. ---------------------------------------------------------------------*/ int32_t FX_StartDemandFeedPlayback ( void (*function)(char **ptr, uint32_t *length), int32_t rate, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval ) { int32_t handle; handle = MV_StartDemandFeedPlayback(function, rate, pitchoffset, vol, left, right, priority, callbackval); if (handle < MV_Ok) { FX_SetErrorCode(FX_MultiVocError); handle = FX_Warning; } return handle; } static wavedata FX_AutoDetectFormat(const char *ptr) { switch (LITTLE32(*(int32_t *)ptr)) { case 'C'+('r'<<8)+('e'<<16)+('a'<<24): // Crea return VOC; break; case 'R'+('I'<<8)+('F'<<16)+('F'<<24): // RIFF return WAV; break; case 'O'+('g'<<8)+('g'<<16)+('S'<<24): // OggS return Vorbis; break; case 'f'+('L'<<8)+('a'<<16)+('C'<<24): // fLaC return FLAC; break; default: switch (LITTLE32(*(int32_t *)(ptr + 8))) { case 'W'+('A'<<8)+('V'<<16)+('E'<<24): // WAVE return WAV; break; } break; } return Unknown; } /*--------------------------------------------------------------------- Function: FX_PlayAuto Play a sound, autodetecting the format. ---------------------------------------------------------------------*/ int32_t FX_PlayAuto(char *ptr, uint32_t length, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval) { return FX_PlayLoopedAuto(ptr, length, -1, -1, pitchoffset, vol, left, right, priority, callbackval);; } /*--------------------------------------------------------------------- Function: FX_PlayLoopedAuto Play a looped sound, autodetecting the format. ---------------------------------------------------------------------*/ int32_t FX_PlayLoopedAuto(char *ptr, uint32_t length, int32_t loopstart, int32_t loopend, int32_t pitchoffset, int32_t vol, int32_t left, int32_t right, int32_t priority, uint32_t callbackval) { int32_t handle = -1; switch (FX_AutoDetectFormat(ptr)) { case VOC: handle = MV_PlayVOC(ptr, length, loopstart, loopend, pitchoffset, vol, left, right, priority, callbackval); break; case WAV: handle = MV_PlayWAV(ptr, length, loopstart, loopend, pitchoffset, vol, left, right, priority, callbackval); break; case Vorbis: #ifdef HAVE_VORBIS handle = MV_PlayVorbis(ptr, length, loopstart, loopend, pitchoffset, vol, left, right, priority, callbackval); #else MV_Printf("FX_PlayLoopedAuto: OggVorbis support not included in this binary.\n"); #endif break; case FLAC: #ifdef HAVE_FLAC handle = MV_PlayFLAC(ptr, length, loopstart, loopend, pitchoffset, vol, left, right, priority, callbackval); #else MV_Printf("FX_PlayLoopedAuto: FLAC support not included in this binary.\n"); #endif break; default: MV_Printf("FX_PlayLoopedAuto: Unknown or unsupported format.\n"); break; } if (handle <= MV_Ok) { FX_SetErrorCode(FX_MultiVocError); handle = FX_Warning; } return handle; } /*--------------------------------------------------------------------- Function: FX_PlayAuto3D Play a positioned sound, autodetecting the format. ---------------------------------------------------------------------*/ int32_t FX_PlayAuto3D(char *ptr, uint32_t length, int32_t pitchoffset, int32_t angle, int32_t distance, int32_t priority, uint32_t callbackval) { int32_t handle = -1; switch (FX_AutoDetectFormat(ptr)) { case VOC: handle = MV_PlayVOC3D(ptr, length, pitchoffset, angle, distance, priority, callbackval); break; case WAV: handle = MV_PlayWAV3D(ptr, length, pitchoffset, angle, distance, priority, callbackval); break; case Vorbis: #ifdef HAVE_VORBIS handle = MV_PlayVorbis3D(ptr, length, pitchoffset, angle, distance, priority, callbackval); #else MV_Printf("FX_PlayAuto3D: OggVorbis support not included in this binary.\n"); #endif break; case FLAC: #ifdef HAVE_FLAC handle = MV_PlayFLAC3D(ptr, length, pitchoffset, angle, distance, priority, callbackval); #else MV_Printf("FX_PlayAuto3D: FLAC support not included in this binary.\n"); #endif break; default: MV_Printf("FX_PlayAuto3D: Unknown or unsupported format.\n"); break; } if (handle <= MV_Ok) { FX_SetErrorCode(FX_MultiVocError); handle = FX_Warning; } return handle; } int32_t FX_SetVoiceCallback(int32_t handle, uint32_t callbackval) { int32_t status; status = MV_SetVoiceCallback(handle, callbackval); if (status != MV_Ok) { FX_SetErrorCode(FX_MultiVocError); return FX_Warning; } return FX_Ok; } int32_t FX_SetPrintf(void (*function)(const char *, ...)) { MV_SetPrintf(function); return FX_Ok; }