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Diffstat (limited to 'indra/llaudio/llaudioengine_fmodex.cpp')
| -rw-r--r-- | indra/llaudio/llaudioengine_fmodex.cpp | 767 |
1 files changed, 0 insertions, 767 deletions
diff --git a/indra/llaudio/llaudioengine_fmodex.cpp b/indra/llaudio/llaudioengine_fmodex.cpp deleted file mode 100644 index 7e65a05e48..0000000000 --- a/indra/llaudio/llaudioengine_fmodex.cpp +++ /dev/null @@ -1,767 +0,0 @@ -/** - * @file audioengine_fmodex.cpp - * @brief Implementation of LLAudioEngine class abstracting the audio - * support as a FMODEX implementation - * - * $LicenseInfo:firstyear=2002&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2014, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "linden_common.h" - -#include "llstreamingaudio.h" -#include "llstreamingaudio_fmodex.h" - -#include "llaudioengine_fmodex.h" -#include "lllistener_fmodex.h" - -#include "llerror.h" -#include "llmath.h" -#include "llrand.h" - -#include "fmod.hpp" -#include "fmod_errors.h" -#include "lldir.h" -#include "llapr.h" - -#include "sound_ids.h" - -FMOD_RESULT F_CALLBACK windCallback(FMOD_DSP_STATE *dsp_state, float *inbuffer, float *outbuffer, unsigned int length, int inchannels, int outchannels); - -FMOD::ChannelGroup *LLAudioEngine_FMODEX::mChannelGroups[LLAudioEngine::AUDIO_TYPE_COUNT] = {0}; - -LLAudioEngine_FMODEX::LLAudioEngine_FMODEX(bool enable_profiler) -{ - mInited = false; - mWindGen = NULL; - mWindDSP = NULL; - mSystem = NULL; - mEnableProfiler = enable_profiler; - mWindDSPDesc = new FMOD_DSP_DESCRIPTION(); -} - - -LLAudioEngine_FMODEX::~LLAudioEngine_FMODEX() -{ - delete mWindDSPDesc; -} - - -inline bool Check_FMOD_Error(FMOD_RESULT result, const char *string) -{ - if(result == FMOD_OK) - return false; - LL_DEBUGS() << string << " Error: " << FMOD_ErrorString(result) << LL_ENDL; - return true; -} - -void* F_STDCALL decode_alloc(unsigned int size, FMOD_MEMORY_TYPE type, const char *sourcestr) -{ - if(type & FMOD_MEMORY_STREAM_DECODE) - { - LL_INFOS() << "Decode buffer size: " << size << LL_ENDL; - } - else if(type & FMOD_MEMORY_STREAM_FILE) - { - LL_INFOS() << "Strean buffer size: " << size << LL_ENDL; - } - return new char[size]; -} -void* F_STDCALL decode_realloc(void *ptr, unsigned int size, FMOD_MEMORY_TYPE type, const char *sourcestr) -{ - memset(ptr,0,size); - return ptr; -} -void F_STDCALL decode_dealloc(void *ptr, FMOD_MEMORY_TYPE type, const char *sourcestr) -{ - delete[] (char*)ptr; -} - -bool LLAudioEngine_FMODEX::init(const S32 num_channels, void* userdata) -{ - U32 version; - FMOD_RESULT result; - - LL_DEBUGS("AppInit") << "LLAudioEngine_FMODEX::init() initializing FMOD" << LL_ENDL; - - //result = FMOD::Memory_Initialize(NULL, 0, &decode_alloc, &decode_realloc, &decode_dealloc, FMOD_MEMORY_STREAM_DECODE | FMOD_MEMORY_STREAM_FILE); - //if(Check_FMOD_Error(result, "FMOD::Memory_Initialize")) - // return false; - - // turn off non-error log spam to fmod.log (TODO: why do we even have an fmod.log if we don't link against log lib?) - FMOD::Debug_SetLevel(FMOD_DEBUG_LEVEL_ERROR); - - result = FMOD::System_Create(&mSystem); - if(Check_FMOD_Error(result, "FMOD::System_Create")) - return false; - - //will call LLAudioEngine_FMODEX::allocateListener, which needs a valid mSystem pointer. - LLAudioEngine::init(num_channels, userdata); - - result = mSystem->getVersion(&version); - Check_FMOD_Error(result, "FMOD::System::getVersion"); - - if (version < FMOD_VERSION) - { - LL_WARNS("AppInit") << "Error : You are using the wrong FMOD Ex version (" << version - << ")! You should be using FMOD Ex" << FMOD_VERSION << LL_ENDL; - } - - result = mSystem->setSoftwareFormat(44100, FMOD_SOUND_FORMAT_PCM16, 0, 0, FMOD_DSP_RESAMPLER_LINEAR); - Check_FMOD_Error(result,"FMOD::System::setSoftwareFormat"); - - // In this case, all sounds, PLUS wind and stream will be software. - result = mSystem->setSoftwareChannels(num_channels + 2); - Check_FMOD_Error(result,"FMOD::System::setSoftwareChannels"); - - U32 fmod_flags = FMOD_INIT_NORMAL; - if(mEnableProfiler) - { - fmod_flags |= FMOD_INIT_ENABLE_PROFILE; - mSystem->createChannelGroup("None", &mChannelGroups[AUDIO_TYPE_NONE]); - mSystem->createChannelGroup("SFX", &mChannelGroups[AUDIO_TYPE_SFX]); - mSystem->createChannelGroup("UI", &mChannelGroups[AUDIO_TYPE_UI]); - mSystem->createChannelGroup("Ambient", &mChannelGroups[AUDIO_TYPE_AMBIENT]); - } - -#if LL_LINUX - bool audio_ok = false; - - if (!audio_ok) - { - if (NULL == getenv("LL_BAD_FMOD_PULSEAUDIO")) /*Flawfinder: ignore*/ - { - LL_DEBUGS("AppInit") << "Trying PulseAudio audio output..." << LL_ENDL; - if(mSystem->setOutput(FMOD_OUTPUTTYPE_PULSEAUDIO) == FMOD_OK && - (result = mSystem->init(num_channels + 2, fmod_flags, 0)) == FMOD_OK) - { - LL_DEBUGS("AppInit") << "PulseAudio output initialized OKAY" << LL_ENDL; - audio_ok = true; - } - else - { - Check_FMOD_Error(result, "PulseAudio audio output FAILED to initialize"); - } - } - else - { - LL_DEBUGS("AppInit") << "PulseAudio audio output SKIPPED" << LL_ENDL; - } - } - if (!audio_ok) - { - if (NULL == getenv("LL_BAD_FMOD_ALSA")) /*Flawfinder: ignore*/ - { - LL_DEBUGS("AppInit") << "Trying ALSA audio output..." << LL_ENDL; - if(mSystem->setOutput(FMOD_OUTPUTTYPE_ALSA) == FMOD_OK && - (result = mSystem->init(num_channels + 2, fmod_flags, 0)) == FMOD_OK) - { - LL_DEBUGS("AppInit") << "ALSA audio output initialized OKAY" << LL_ENDL; - audio_ok = true; - } - else - { - Check_FMOD_Error(result, "ALSA audio output FAILED to initialize"); - } - } - else - { - LL_DEBUGS("AppInit") << "ALSA audio output SKIPPED" << LL_ENDL; - } - } - if (!audio_ok) - { - if (NULL == getenv("LL_BAD_FMOD_OSS")) /*Flawfinder: ignore*/ - { - LL_DEBUGS("AppInit") << "Trying OSS audio output..." << LL_ENDL; - if(mSystem->setOutput(FMOD_OUTPUTTYPE_OSS) == FMOD_OK && - (result = mSystem->init(num_channels + 2, fmod_flags, 0)) == FMOD_OK) - { - LL_DEBUGS("AppInit") << "OSS audio output initialized OKAY" << LL_ENDL; - audio_ok = true; - } - else - { - Check_FMOD_Error(result, "OSS audio output FAILED to initialize"); - } - } - else - { - LL_DEBUGS("AppInit") << "OSS audio output SKIPPED" << LL_ENDL; - } - } - if (!audio_ok) - { - LL_WARNS("AppInit") << "Overall audio init failure." << LL_ENDL; - return false; - } - - // We're interested in logging which output method we - // ended up with, for QA purposes. - FMOD_OUTPUTTYPE output_type; - mSystem->getOutput(&output_type); - switch (output_type) - { - case FMOD_OUTPUTTYPE_NOSOUND: - LL_INFOS("AppInit") << "Audio output: NoSound" << LL_ENDL; break; - case FMOD_OUTPUTTYPE_PULSEAUDIO: - LL_INFOS("AppInit") << "Audio output: PulseAudio" << LL_ENDL; break; - case FMOD_OUTPUTTYPE_ALSA: - LL_INFOS("AppInit") << "Audio output: ALSA" << LL_ENDL; break; - case FMOD_OUTPUTTYPE_OSS: - LL_INFOS("AppInit") << "Audio output: OSS" << LL_ENDL; break; - default: - LL_INFOS("AppInit") << "Audio output: Unknown!" << LL_ENDL; break; - }; -#else // LL_LINUX - - // initialize the FMOD engine - result = mSystem->init( num_channels + 2, fmod_flags, 0); - if (result == FMOD_ERR_OUTPUT_CREATEBUFFER) - { - /* - Ok, the speaker mode selected isn't supported by this soundcard. Switch it - back to stereo... - */ - result = mSystem->setSpeakerMode(FMOD_SPEAKERMODE_STEREO); - Check_FMOD_Error(result,"Error falling back to stereo mode"); - /* - ... and re-init. - */ - result = mSystem->init( num_channels + 2, fmod_flags, 0); - } - if(Check_FMOD_Error(result, "Error initializing FMOD Ex")) - return false; -#endif - - // set up our favourite FMOD-native streaming audio implementation if none has already been added - if (!getStreamingAudioImpl()) // no existing implementation added - setStreamingAudioImpl(new LLStreamingAudio_FMODEX(mSystem)); - - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init() FMOD Ex initialized correctly" << LL_ENDL; - - int r_numbuffers, r_samplerate, r_channels, r_bits; - unsigned int r_bufferlength; - mSystem->getDSPBufferSize(&r_bufferlength, &r_numbuffers); - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_bufferlength=" << r_bufferlength << " bytes" << LL_ENDL; - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_numbuffers=" << r_numbuffers << LL_ENDL; - - mSystem->getSoftwareFormat(&r_samplerate, NULL, &r_channels, NULL, NULL, &r_bits); - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_samplerate=" << r_samplerate << "Hz" << LL_ENDL; - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_channels=" << r_channels << LL_ENDL; - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_bits =" << r_bits << LL_ENDL; - - char r_name[512]; - mSystem->getDriverInfo(0, r_name, 511, 0); - r_name[511] = '\0'; - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): r_name=\"" << r_name << "\"" << LL_ENDL; - - int latency = 100; // optimistic default - i suspect if sample rate is 0, everything breaks. - if ( r_samplerate != 0 ) - latency = (int)(1000.0f * r_bufferlength * r_numbuffers / r_samplerate); - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): latency=" << latency << "ms" << LL_ENDL; - - mInited = true; - - LL_INFOS("AppInit") << "LLAudioEngine_FMODEX::init(): initialization complete." << LL_ENDL; - - return true; -} - - -std::string LLAudioEngine_FMODEX::getDriverName(bool verbose) -{ - llassert_always(mSystem); - if (verbose) - { - U32 version; - if(!Check_FMOD_Error(mSystem->getVersion(&version), "FMOD::System::getVersion")) - { - return llformat("FMOD Ex %1x.%02x.%02x", version >> 16, version >> 8 & 0x000000FF, version & 0x000000FF); - } - } - return "FMODEx"; -} - - -void LLAudioEngine_FMODEX::allocateListener(void) -{ - mListenerp = (LLListener *) new LLListener_FMODEX(mSystem); - if (!mListenerp) - { - LL_WARNS() << "Listener creation failed" << LL_ENDL; - } -} - - -void LLAudioEngine_FMODEX::shutdown() -{ - stopInternetStream(); - - LL_INFOS() << "About to LLAudioEngine::shutdown()" << LL_ENDL; - LLAudioEngine::shutdown(); - - LL_INFOS() << "LLAudioEngine_FMODEX::shutdown() closing FMOD Ex" << LL_ENDL; - if ( mSystem ) // speculative fix for MAINT-2657 - { - mSystem->close(); - mSystem->release(); - } - LL_INFOS() << "LLAudioEngine_FMODEX::shutdown() done closing FMOD Ex" << LL_ENDL; - - delete mListenerp; - mListenerp = NULL; -} - - -LLAudioBuffer * LLAudioEngine_FMODEX::createBuffer() -{ - return new LLAudioBufferFMODEX(mSystem); -} - - -LLAudioChannel * LLAudioEngine_FMODEX::createChannel() -{ - return new LLAudioChannelFMODEX(mSystem); -} - -bool LLAudioEngine_FMODEX::initWind() -{ - mNextWindUpdate = 0.0; - - if (!mWindDSP) - { - memset(mWindDSPDesc, 0, sizeof(*mWindDSPDesc)); //Set everything to zero - strncpy(mWindDSPDesc->name, "Wind Unit", sizeof(mWindDSPDesc->name)); - mWindDSPDesc->channels = 2; - mWindDSPDesc->read = &windCallback; // Assign callback - may be called from arbitrary threads - if (Check_FMOD_Error(mSystem->createDSP(mWindDSPDesc, &mWindDSP), "FMOD::createDSP")) - return false; - - if (mWindGen) - delete mWindGen; - - float frequency = 44100; - mWindDSP->getDefaults(&frequency,0,0,0); - mWindGen = new LLWindGen<MIXBUFFERFORMAT>((U32)frequency); - mWindDSP->setUserData((void*)mWindGen); - } - - // *TODO: Should this guard against multiple plays? - if (mWindDSP) - { - mSystem->playDSP(FMOD_CHANNEL_FREE, mWindDSP, false, 0); - return true; - } - return false; -} - - -void LLAudioEngine_FMODEX::cleanupWind() -{ - if (mWindDSP) - { - mWindDSP->remove(); - mWindDSP->release(); - mWindDSP = NULL; - } - - delete mWindGen; - mWindGen = NULL; -} - - -//----------------------------------------------------------------------- -void LLAudioEngine_FMODEX::updateWind(LLVector3 wind_vec, F32 camera_height_above_water) -{ - LLVector3 wind_pos; - F64 pitch; - F64 center_freq; - - if (!mEnableWind) - { - return; - } - - if (mWindUpdateTimer.checkExpirationAndReset(LL_WIND_UPDATE_INTERVAL)) - { - - // wind comes in as Linden coordinate (+X = forward, +Y = left, +Z = up) - // need to convert this to the conventional orientation DS3D and OpenAL use - // where +X = right, +Y = up, +Z = backwards - - wind_vec.setVec(-wind_vec.mV[1], wind_vec.mV[2], -wind_vec.mV[0]); - - // cerr << "Wind update" << endl; - - pitch = 1.0 + mapWindVecToPitch(wind_vec); - center_freq = 80.0 * pow(pitch,2.5*(mapWindVecToGain(wind_vec)+1.0)); - - mWindGen->mTargetFreq = (F32)center_freq; - mWindGen->mTargetGain = (F32)mapWindVecToGain(wind_vec) * mMaxWindGain; - mWindGen->mTargetPanGainR = (F32)mapWindVecToPan(wind_vec); - } -} - -//----------------------------------------------------------------------- -void LLAudioEngine_FMODEX::setInternalGain(F32 gain) -{ - if (!mInited) - { - return; - } - - gain = llclamp( gain, 0.0f, 1.0f ); - - FMOD::ChannelGroup *master_group; - mSystem->getMasterChannelGroup(&master_group); - - master_group->setVolume(gain); - - LLStreamingAudioInterface *saimpl = getStreamingAudioImpl(); - if ( saimpl ) - { - // fmod likes its streaming audio channel gain re-asserted after - // master volume change. - saimpl->setGain(saimpl->getGain()); - } -} - -// -// LLAudioChannelFMODEX implementation -// - -LLAudioChannelFMODEX::LLAudioChannelFMODEX(FMOD::System *system) : LLAudioChannel(), mSystemp(system), mChannelp(NULL), mLastSamplePos(0) -{ -} - - -LLAudioChannelFMODEX::~LLAudioChannelFMODEX() -{ - cleanup(); -} - -bool LLAudioChannelFMODEX::updateBuffer() -{ - if (LLAudioChannel::updateBuffer()) - { - // Base class update returned true, which means that we need to actually - // set up the channel for a different buffer. - - LLAudioBufferFMODEX *bufferp = (LLAudioBufferFMODEX *)mCurrentSourcep->getCurrentBuffer(); - - // Grab the FMOD sample associated with the buffer - FMOD::Sound *soundp = bufferp->getSound(); - if (!soundp) - { - // This is bad, there should ALWAYS be a sound associated with a legit - // buffer. - LL_ERRS() << "No FMOD sound!" << LL_ENDL; - return false; - } - - - // Actually play the sound. Start it off paused so we can do all the necessary - // setup. - if(!mChannelp) - { - FMOD_RESULT result = getSystem()->playSound(FMOD_CHANNEL_FREE, soundp, true, &mChannelp); - Check_FMOD_Error(result, "FMOD::System::playSound"); - } - - //LL_INFOS() << "Setting up channel " << std::hex << mChannelID << std::dec << LL_ENDL; - } - - // If we have a source for the channel, we need to update its gain. - if (mCurrentSourcep) - { - // SJB: warnings can spam and hurt framerate, disabling - //FMOD_RESULT result; - - mChannelp->setVolume(getSecondaryGain() * mCurrentSourcep->getGain()); - //Check_FMOD_Error(result, "FMOD::Channel::setVolume"); - - mChannelp->setMode(mCurrentSourcep->isLoop() ? FMOD_LOOP_NORMAL : FMOD_LOOP_OFF); - /*if(Check_FMOD_Error(result, "FMOD::Channel::setMode")) - { - S32 index; - mChannelp->getIndex(&index); - LL_WARNS() << "Channel " << index << "Source ID: " << mCurrentSourcep->getID() - << " at " << mCurrentSourcep->getPositionGlobal() << LL_ENDL; - }*/ - } - - return true; -} - - -void LLAudioChannelFMODEX::update3DPosition() -{ - if (!mChannelp) - { - // We're not actually a live channel (i.e., we're not playing back anything) - return; - } - - LLAudioBufferFMODEX *bufferp = (LLAudioBufferFMODEX *)mCurrentBufferp; - if (!bufferp) - { - // We don't have a buffer associated with us (should really have been picked up - // by the above if. - return; - } - - if (mCurrentSourcep->isAmbient()) - { - // Ambient sound, don't need to do any positional updates. - set3DMode(false); - } - else - { - // Localized sound. Update the position and velocity of the sound. - set3DMode(true); - - LLVector3 float_pos; - float_pos.setVec(mCurrentSourcep->getPositionGlobal()); - FMOD_RESULT result = mChannelp->set3DAttributes((FMOD_VECTOR*)float_pos.mV, (FMOD_VECTOR*)mCurrentSourcep->getVelocity().mV); - Check_FMOD_Error(result, "FMOD::Channel::set3DAttributes"); - } -} - - -void LLAudioChannelFMODEX::updateLoop() -{ - if (!mChannelp) - { - // May want to clear up the loop/sample counters. - return; - } - - // - // Hack: We keep track of whether we looped or not by seeing when the - // sample position looks like it's going backwards. Not reliable; may - // yield false negatives. - // - U32 cur_pos; - mChannelp->getPosition(&cur_pos,FMOD_TIMEUNIT_PCMBYTES); - - if (cur_pos < (U32)mLastSamplePos) - { - mLoopedThisFrame = true; - } - mLastSamplePos = cur_pos; -} - - -void LLAudioChannelFMODEX::cleanup() -{ - if (!mChannelp) - { - //LL_INFOS() << "Aborting cleanup with no channel handle." << LL_ENDL; - return; - } - - //LL_INFOS() << "Cleaning up channel: " << mChannelID << LL_ENDL; - Check_FMOD_Error(mChannelp->stop(),"FMOD::Channel::stop"); - - mCurrentBufferp = NULL; - mChannelp = NULL; -} - - -void LLAudioChannelFMODEX::play() -{ - if (!mChannelp) - { - LL_WARNS() << "Playing without a channel handle, aborting" << LL_ENDL; - return; - } - - Check_FMOD_Error(mChannelp->setPaused(false), "FMOD::Channel::pause"); - - getSource()->setPlayedOnce(true); - - if(LLAudioEngine_FMODEX::mChannelGroups[getSource()->getType()]) - mChannelp->setChannelGroup(LLAudioEngine_FMODEX::mChannelGroups[getSource()->getType()]); -} - - -void LLAudioChannelFMODEX::playSynced(LLAudioChannel *channelp) -{ - LLAudioChannelFMODEX *fmod_channelp = (LLAudioChannelFMODEX*)channelp; - if (!(fmod_channelp->mChannelp && mChannelp)) - { - // Don't have channels allocated to both the master and the slave - return; - } - - U32 cur_pos; - if(Check_FMOD_Error(mChannelp->getPosition(&cur_pos,FMOD_TIMEUNIT_PCMBYTES), "Unable to retrieve current position")) - return; - - cur_pos %= mCurrentBufferp->getLength(); - - // Try to match the position of our sync master - Check_FMOD_Error(mChannelp->setPosition(cur_pos,FMOD_TIMEUNIT_PCMBYTES),"Unable to set current position"); - - // Start us playing - play(); -} - - -bool LLAudioChannelFMODEX::isPlaying() -{ - if (!mChannelp) - { - return false; - } - - bool paused, playing; - mChannelp->getPaused(&paused); - mChannelp->isPlaying(&playing); - return !paused && playing; -} - - -// -// LLAudioChannelFMODEX implementation -// - - -LLAudioBufferFMODEX::LLAudioBufferFMODEX(FMOD::System *system) : mSystemp(system), mSoundp(NULL) -{ -} - - -LLAudioBufferFMODEX::~LLAudioBufferFMODEX() -{ - if(mSoundp) - { - mSoundp->release(); - mSoundp = NULL; - } -} - - -bool LLAudioBufferFMODEX::loadWAV(const std::string& filename) -{ - // Try to open a wav file from disk. This will eventually go away, as we don't - // really want to block doing this. - if (filename.empty()) - { - // invalid filename, abort. - return false; - } - - if (!LLAPRFile::isExist(filename, NULL, LL_APR_RPB)) - { - // File not found, abort. - return false; - } - - if (mSoundp) - { - // If there's already something loaded in this buffer, clean it up. - mSoundp->release(); - mSoundp = NULL; - } - - FMOD_MODE base_mode = FMOD_LOOP_NORMAL | FMOD_SOFTWARE; - FMOD_CREATESOUNDEXINFO exinfo; - memset(&exinfo,0,sizeof(exinfo)); - exinfo.cbsize = sizeof(exinfo); - exinfo.suggestedsoundtype = FMOD_SOUND_TYPE_WAV; //Hint to speed up loading. - // Load up the wav file into an fmod sample -#if LL_WINDOWS - FMOD_RESULT result = getSystem()->createSound((const char*)utf8str_to_utf16str(filename).c_str(), base_mode | FMOD_UNICODE, &exinfo, &mSoundp); -#else - FMOD_RESULT result = getSystem()->createSound(filename.c_str(), base_mode, &exinfo, &mSoundp); -#endif - - if (result != FMOD_OK) - { - // We failed to load the file for some reason. - LL_WARNS() << "Could not load data '" << filename << "': " << FMOD_ErrorString(result) << LL_ENDL; - - // - // If we EVER want to load wav files provided by end users, we need - // to rethink this! - // - // file is probably corrupt - remove it. - LLFile::remove(filename); - return false; - } - - // Everything went well, return true - return true; -} - - -U32 LLAudioBufferFMODEX::getLength() -{ - if (!mSoundp) - { - return 0; - } - - U32 length; - mSoundp->getLength(&length, FMOD_TIMEUNIT_PCMBYTES); - return length; -} - - -void LLAudioChannelFMODEX::set3DMode(bool use3d) -{ - FMOD_MODE current_mode; - if(mChannelp->getMode(¤t_mode) != FMOD_OK) - return; - FMOD_MODE new_mode = current_mode; - new_mode &= ~(use3d ? FMOD_2D : FMOD_3D); - new_mode |= use3d ? FMOD_3D : FMOD_2D; - - if(current_mode != new_mode) - { - mChannelp->setMode(new_mode); - } -} - -// *NOTE: This is almost certainly being called on the mixer thread, -// not the main thread. May have implications for callees or audio -// engine shutdown. - -FMOD_RESULT F_CALLBACK windCallback(FMOD_DSP_STATE *dsp_state, float *originalbuffer, float *newbuffer, unsigned int length, int inchannels, int outchannels) -{ - // originalbuffer = fmod's original mixbuffer. - // newbuffer = the buffer passed from the previous DSP unit. - // length = length in samples at this mix time. - // userdata = user parameter passed through in FSOUND_DSP_Create. - - LLWindGen<LLAudioEngine_FMODEX::MIXBUFFERFORMAT> *windgen; - FMOD::DSP *thisdsp = (FMOD::DSP *)dsp_state->instance; - - thisdsp->getUserData((void **)&windgen); - S32 channels, configwidth, configheight; - thisdsp->getInfo(0, 0, &channels, &configwidth, &configheight); - - windgen->windGenerate((LLAudioEngine_FMODEX::MIXBUFFERFORMAT *)newbuffer, length); - - return FMOD_OK; -} |