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-rw-r--r--indra/llaudio/CMakeLists.txt15
-rwxr-xr-xindra/llaudio/llaudiodecodemgr.cpp78
-rw-r--r--indra/llaudio/llaudiodecodemgr.h2
-rwxr-xr-xindra/llaudio/llaudioengine.h2
-rw-r--r--indra/llaudio/llaudioengine_fmodstudio.cpp756
-rw-r--r--indra/llaudio/llaudioengine_fmodstudio.h131
-rw-r--r--indra/llaudio/llaudioengine_openal.cpp13
-rw-r--r--indra/llaudio/llaudioengine_openal.h4
-rw-r--r--indra/llaudio/lllistener_fmodstudio.cpp136
-rw-r--r--indra/llaudio/lllistener_fmodstudio.h65
-rw-r--r--indra/llaudio/lllistener_openal.h1
-rw-r--r--indra/llaudio/llstreamingaudio_fmodstudio.cpp481
-rw-r--r--indra/llaudio/llstreamingaudio_fmodstudio.h76
-rw-r--r--indra/llaudio/llvorbisencode.cpp4
14 files changed, 57 insertions, 1707 deletions
diff --git a/indra/llaudio/CMakeLists.txt b/indra/llaudio/CMakeLists.txt
index 4f469b9bb5..9278d3c488 100644
--- a/indra/llaudio/CMakeLists.txt
+++ b/indra/llaudio/CMakeLists.txt
@@ -4,7 +4,6 @@ project(llaudio)
include(00-Common)
include(LLAudio)
-include(FMODSTUDIO)
include(OPENAL)
include(LLCommon)
@@ -25,20 +24,6 @@ set(llaudio_HEADER_FILES
llwindgen.h
)
-if (TARGET ll::fmodstudio)
- list(APPEND llaudio_SOURCE_FILES
- llaudioengine_fmodstudio.cpp
- lllistener_fmodstudio.cpp
- llstreamingaudio_fmodstudio.cpp
- )
-
- list(APPEND llaudio_HEADER_FILES
- llaudioengine_fmodstudio.h
- lllistener_fmodstudio.h
- llstreamingaudio_fmodstudio.h
- )
-endif ()
-
if (TARGET ll::openal)
list(APPEND llaudio_SOURCE_FILES
llaudioengine_openal.cpp
diff --git a/indra/llaudio/llaudiodecodemgr.cpp b/indra/llaudio/llaudiodecodemgr.cpp
index 190c5290cb..4b23b37cc9 100755
--- a/indra/llaudio/llaudiodecodemgr.cpp
+++ b/indra/llaudio/llaudiodecodemgr.cpp
@@ -70,22 +70,22 @@ public:
LLVorbisDecodeState(const LLUUID &uuid, const std::string &out_filename);
- BOOL initDecode();
- BOOL decodeSection(); // Return TRUE if done.
- BOOL finishDecode();
+ bool initDecode();
+ bool decodeSection(); // Return true if done.
+ bool finishDecode();
void flushBadFile();
void ioComplete(S32 bytes) { mBytesRead = bytes; }
- BOOL isValid() const { return mValid; }
- BOOL isDone() const { return mDone; }
+ bool isValid() const { return mValid; }
+ bool isDone() const { return mDone; }
const LLUUID &getUUID() const { return mUUID; }
protected:
virtual ~LLVorbisDecodeState();
- BOOL mValid;
- BOOL mDone;
+ bool mValid;
+ bool mDone;
LLAtomicS32 mBytesRead;
LLUUID mUUID;
@@ -164,8 +164,8 @@ long cache_tell (void *datasource)
LLVorbisDecodeState::LLVorbisDecodeState(const LLUUID &uuid, const std::string &out_filename)
{
- mDone = FALSE;
- mValid = FALSE;
+ mDone = false;
+ mValid = false;
mBytesRead = -1;
mUUID = uuid;
mInFilep = NULL;
@@ -188,7 +188,7 @@ LLVorbisDecodeState::~LLVorbisDecodeState()
}
-BOOL LLVorbisDecodeState::initDecode()
+bool LLVorbisDecodeState::initDecode()
{
ov_callbacks cache_callbacks;
cache_callbacks.read_func = cache_read;
@@ -204,14 +204,14 @@ BOOL LLVorbisDecodeState::initDecode()
LL_WARNS("AudioEngine") << "unable to open vorbis source vfile for reading" << LL_ENDL;
delete mInFilep;
mInFilep = NULL;
- return FALSE;
+ return false;
}
S32 r = ov_open_callbacks(mInFilep, &mVF, NULL, 0, cache_callbacks);
if(r < 0)
{
LL_WARNS("AudioEngine") << r << " Input to vorbis decode does not appear to be an Ogg bitstream: " << mUUID << LL_ENDL;
- return(FALSE);
+ return(false);
}
S32 sample_count = (S32)ov_pcm_total(&mVF, -1);
@@ -260,7 +260,7 @@ BOOL LLVorbisDecodeState::initDecode()
}
delete mInFilep;
mInFilep = NULL;
- return FALSE;
+ return false;
}
try
@@ -273,7 +273,7 @@ BOOL LLVorbisDecodeState::initDecode()
LL_WARNS("AudioEngine") << "Out of memory when trying to alloc buffer: " << size_guess << LL_ENDL;
delete mInFilep;
mInFilep = NULL;
- return FALSE;
+ return false;
}
{
@@ -360,31 +360,31 @@ BOOL LLVorbisDecodeState::initDecode()
// fprintf(stderr,"\nDecoded length: %ld samples\n", (long)ov_pcm_total(&vf,-1));
// fprintf(stderr,"Encoded by: %s\n\n",ov_comment(&vf,-1)->vendor);
//}
- return TRUE;
+ return true;
}
-BOOL LLVorbisDecodeState::decodeSection()
+bool LLVorbisDecodeState::decodeSection()
{
if (!mInFilep)
{
LL_WARNS("AudioEngine") << "No cache file to decode in vorbis!" << LL_ENDL;
- return TRUE;
+ return true;
}
if (mDone)
{
// LL_WARNS("AudioEngine") << "Already done with decode, aborting!" << LL_ENDL;
- return TRUE;
+ return true;
}
char pcmout[4096]; /*Flawfinder: ignore*/
- BOOL eof = FALSE;
+ bool eof = false;
long ret=ov_read(&mVF, pcmout, sizeof(pcmout), 0, 2, 1, &mCurrentSection);
if (ret == 0)
{
/* EOF */
- eof = TRUE;
- mDone = TRUE;
- mValid = TRUE;
+ eof = true;
+ mDone = true;
+ mValid = true;
// LL_INFOS("AudioEngine") << "Vorbis EOF" << LL_ENDL;
}
else if (ret < 0)
@@ -394,10 +394,10 @@ BOOL LLVorbisDecodeState::decodeSection()
LL_WARNS("AudioEngine") << "BAD vorbis decode in decodeSection." << LL_ENDL;
- mValid = FALSE;
- mDone = TRUE;
- // We're done, return TRUE.
- return TRUE;
+ mValid = false;
+ mDone = true;
+ // We're done, return true.
+ return true;
}
else
{
@@ -409,12 +409,12 @@ BOOL LLVorbisDecodeState::decodeSection()
return eof;
}
-BOOL LLVorbisDecodeState::finishDecode()
+bool LLVorbisDecodeState::finishDecode()
{
if (!isValid())
{
LL_WARNS("AudioEngine") << "Bogus vorbis decode state for " << getUUID() << ", aborting!" << LL_ENDL;
- return TRUE; // We've finished
+ return true; // We've finished
}
if (mFileHandle == LLLFSThread::nullHandle())
@@ -487,8 +487,8 @@ BOOL LLVorbisDecodeState::finishDecode()
if (36 == data_length)
{
LL_WARNS("AudioEngine") << "BAD Vorbis decode in finishDecode!" << LL_ENDL;
- mValid = FALSE;
- return TRUE; // we've finished
+ mValid = false;
+ return true; // we've finished
}
mBytesRead = -1;
mFileHandle = LLLFSThread::sLocal->write(mOutFilename, &mWAVBuffer[0], 0, mWAVBuffer.size(),
@@ -502,21 +502,21 @@ BOOL LLVorbisDecodeState::finishDecode()
if (mBytesRead == 0)
{
LL_WARNS("AudioEngine") << "Unable to write file in LLVorbisDecodeState::finishDecode" << LL_ENDL;
- mValid = FALSE;
- return TRUE; // we've finished
+ mValid = false;
+ return true; // we've finished
}
}
else
{
- return FALSE; // not done
+ return false; // not done
}
}
- mDone = TRUE;
+ mDone = true;
LL_DEBUGS("AudioEngine") << "Finished decode for " << getUUID() << LL_ENDL;
- return TRUE;
+ return true;
}
void LLVorbisDecodeState::flushBadFile()
@@ -779,13 +779,13 @@ void LLAudioDecodeMgr::processQueue()
mImpl->processQueue();
}
-BOOL LLAudioDecodeMgr::addDecodeRequest(const LLUUID &uuid)
+bool LLAudioDecodeMgr::addDecodeRequest(const LLUUID &uuid)
{
if (gAudiop && gAudiop->hasDecodedFile(uuid))
{
// Already have a decoded version, don't need to decode it.
LL_DEBUGS("AudioEngine") << "addDecodeRequest for " << uuid << " has decoded file already" << LL_ENDL;
- return TRUE;
+ return true;
}
if (gAssetStorage->hasLocalAsset(uuid, LLAssetType::AT_SOUND))
@@ -793,9 +793,9 @@ BOOL LLAudioDecodeMgr::addDecodeRequest(const LLUUID &uuid)
// Just put it on the decode queue.
LL_DEBUGS("AudioEngine") << "addDecodeRequest for " << uuid << " has local asset file already" << LL_ENDL;
mImpl->mDecodeQueue.push_back(uuid);
- return TRUE;
+ return true;
}
LL_DEBUGS("AudioEngine") << "addDecodeRequest for " << uuid << " no file available" << LL_ENDL;
- return FALSE;
+ return false;
}
diff --git a/indra/llaudio/llaudiodecodemgr.h b/indra/llaudio/llaudiodecodemgr.h
index 4c17b46156..8c8d103c40 100644
--- a/indra/llaudio/llaudiodecodemgr.h
+++ b/indra/llaudio/llaudiodecodemgr.h
@@ -43,7 +43,7 @@ class LLAudioDecodeMgr : public LLSingleton<LLAudioDecodeMgr>
~LLAudioDecodeMgr();
public:
void processQueue();
- BOOL addDecodeRequest(const LLUUID &uuid);
+ bool addDecodeRequest(const LLUUID &uuid);
void addAudioRequest(const LLUUID &uuid);
protected:
diff --git a/indra/llaudio/llaudioengine.h b/indra/llaudio/llaudioengine.h
index c045d18c42..099d948f87 100755
--- a/indra/llaudio/llaudioengine.h
+++ b/indra/llaudio/llaudioengine.h
@@ -265,7 +265,7 @@ public:
void preload(const LLUUID &audio_id); // Only used for preloading UI sounds, now.
- void addAudioData(LLAudioData *adp, bool set_current = TRUE);
+ void addAudioData(LLAudioData *adp, bool set_current = true);
void setForcedPriority(const bool ambient) { mForcedPriority = ambient; }
bool isForcedPriority() const { return mForcedPriority; }
diff --git a/indra/llaudio/llaudioengine_fmodstudio.cpp b/indra/llaudio/llaudioengine_fmodstudio.cpp
deleted file mode 100644
index c6313ea289..0000000000
--- a/indra/llaudio/llaudioengine_fmodstudio.cpp
+++ /dev/null
@@ -1,756 +0,0 @@
-/**
- * @file audioengine_fmodstudio.cpp
- * @brief Implementation of LLAudioEngine class abstracting the audio
- * support as a FMODSTUDIO implementation
- *
- * $LicenseInfo:firstyear=2020&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2020, 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_fmodstudio.h"
-
-#include "llaudioengine_fmodstudio.h"
-#include "lllistener_fmodstudio.h"
-
-#include "llerror.h"
-#include "llmath.h"
-#include "llrand.h"
-
-#include "fmodstudio/fmod.hpp"
-#include "fmodstudio/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_FMODSTUDIO::mChannelGroups[LLAudioEngine::AUDIO_TYPE_COUNT] = {0};
-
-LLAudioEngine_FMODSTUDIO::LLAudioEngine_FMODSTUDIO(bool enable_profiler)
-: mInited(false),
- mWindGen(NULL),
- mWindDSP(NULL),
- mSystem(NULL),
- mEnableProfiler(enable_profiler),
- mWindDSPDesc(NULL)
-{
-}
-
-
-LLAudioEngine_FMODSTUDIO::~LLAudioEngine_FMODSTUDIO()
-{
- // mWindDSPDesc, mWindGen and mWindDSP get cleaned up on cleanupWind in LLAudioEngine::shutdown()
- // mSystem gets cleaned up at shutdown()
-}
-
-
-static inline bool Check_FMOD_Error(FMOD_RESULT result, const char *string)
-{
- if (result == FMOD_OK)
- return false;
- LL_DEBUGS("FMOD") << string << " Error: " << FMOD_ErrorString(result) << LL_ENDL;
- return true;
-}
-
-bool LLAudioEngine_FMODSTUDIO::init(void* userdata, const std::string &app_title)
-{
- U32 version;
- FMOD_RESULT result;
-
- LL_DEBUGS("AppInit") << "LLAudioEngine_FMODSTUDIO::init() initializing FMOD" << LL_ENDL;
-
- result = FMOD::System_Create(&mSystem);
- if (Check_FMOD_Error(result, "FMOD::System_Create"))
- return false;
-
- //will call LLAudioEngine_FMODSTUDIO::allocateListener, which needs a valid mSystem pointer.
- LLAudioEngine::init(userdata, app_title);
-
- result = mSystem->getVersion(&version);
- Check_FMOD_Error(result, "FMOD::System::getVersion");
-
- if (version < FMOD_VERSION)
- {
- LL_WARNS("AppInit") << "FMOD Studio version mismatch, actual: " << version
- << " expected:" << FMOD_VERSION << LL_ENDL;
- }
-
- // In this case, all sounds, PLUS wind and stream will be software.
- result = mSystem->setSoftwareChannels(LL_MAX_AUDIO_CHANNELS + 2);
- Check_FMOD_Error(result, "FMOD::System::setSoftwareChannels");
-
- FMOD_ADVANCEDSETTINGS settings;
- memset(&settings, 0, sizeof(settings));
- settings.cbSize = sizeof(FMOD_ADVANCEDSETTINGS);
- settings.resamplerMethod = FMOD_DSP_RESAMPLER_LINEAR;
-
- result = mSystem->setAdvancedSettings(&settings);
- Check_FMOD_Error(result, "FMOD::System::setAdvancedSettings");
-
- // FMOD_INIT_THREAD_UNSAFE Disables thread safety for API calls.
- // Only use this if FMOD is being called from a single thread, and if Studio API is not being used.
- U32 fmod_flags = FMOD_INIT_NORMAL | FMOD_INIT_3D_RIGHTHANDED | FMOD_INIT_THREAD_UNSAFE;
- if (mEnableProfiler)
- {
- fmod_flags |= FMOD_INIT_PROFILE_ENABLE;
- }
-
-#if LL_LINUX
- bool audio_ok = false;
-
- if (!audio_ok)
- {
- const char* env_string = getenv("LL_BAD_FMOD_PULSEAUDIO");
- if (NULL == env_string)
- {
- LL_DEBUGS("AppInit") << "Trying PulseAudio audio output..." << LL_ENDL;
- if (mSystem->setOutput(FMOD_OUTPUTTYPE_PULSEAUDIO) == FMOD_OK &&
- (result = mSystem->init(LL_MAX_AUDIO_CHANNELS + 2, fmod_flags, const_cast<char*>(app_title.c_str()))) == 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)
- {
- const char* env_string = getenv("LL_BAD_FMOD_ALSA");
- if (NULL == env_string)
- {
- LL_DEBUGS("AppInit") << "Trying ALSA audio output..." << LL_ENDL;
- if (mSystem->setOutput(FMOD_OUTPUTTYPE_ALSA) == FMOD_OK &&
- (result = mSystem->init(LL_MAX_AUDIO_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)
- {
- 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;
- default:
- LL_INFOS("AppInit") << "Audio output: Unknown!" << LL_ENDL; break;
- };
-#else // LL_LINUX
-
- // initialize the FMOD engine
- // number of channel in this case looks to be identiacal to number of max simultaneously
- // playing objects and we can set practically any number
- result = mSystem->init(LL_MAX_AUDIO_CHANNELS + 2, fmod_flags, 0);
- if (Check_FMOD_Error(result, "Error initializing FMOD Studio with default settins, retrying with other format"))
- {
- result = mSystem->setSoftwareFormat(44100, FMOD_SPEAKERMODE_STEREO, 0/*- ignore*/);
- if (Check_FMOD_Error(result, "Error setting sotware format. Can't init."))
- {
- return false;
- }
- result = mSystem->init(LL_MAX_AUDIO_CHANNELS + 2, fmod_flags, 0);
- }
- if (Check_FMOD_Error(result, "Error initializing FMOD Studio"))
- {
- // If it fails here and (result == FMOD_ERR_OUTPUT_CREATEBUFFER),
- // we can retry with other settings
- return false;
- }
-#endif
-
- LL_INFOS("AppInit") << "LLAudioEngine_FMODSTUDIO::init() FMOD Studio initialized correctly" << LL_ENDL;
-
- int r_numbuffers, r_samplerate, r_channels;
- unsigned int r_bufferlength;
- char r_name[512];
- int latency = 100;
- mSystem->getDSPBufferSize(&r_bufferlength, &r_numbuffers);
- LL_INFOS("AppInit") << "LLAudioEngine_FMODSTUDIO::init(): r_bufferlength=" << r_bufferlength << " bytes" << LL_ENDL;
- LL_INFOS("AppInit") << "LLAudioEngine_FMODSTUDIO::init(): r_numbuffers=" << r_numbuffers << LL_ENDL;
-
- mSystem->getDriverInfo(0, r_name, 511, NULL, &r_samplerate, NULL, &r_channels);
- r_name[511] = '\0';
- LL_INFOS("AppInit") << "LLAudioEngine_FMODSTUDIO::init(): r_name=\"" << r_name << "\"" << LL_ENDL;
-
- if (r_samplerate != 0)
- latency = (int)(1000.0f * r_bufferlength * r_numbuffers / r_samplerate);
- LL_INFOS("AppInit") << "LLAudioEngine_FMODSTUDIO::init(): latency=" << latency << "ms" << LL_ENDL;
-
- mInited = true;
-
- LL_INFOS("AppInit") << "LLAudioEngine_FMODSTUDIO::init(): initialization complete." << LL_ENDL;
-
- return true;
-}
-
-
-std::string LLAudioEngine_FMODSTUDIO::getDriverName(bool verbose)
-{
- llassert_always(mSystem);
- if (verbose)
- {
- U32 version;
- if (!Check_FMOD_Error(mSystem->getVersion(&version), "FMOD::System::getVersion"))
- {
- return llformat("FMOD Studio %1x.%02x.%02x", version >> 16, version >> 8 & 0x000000FF, version & 0x000000FF);
- }
- }
- return "FMOD STUDIO";
-}
-
-
-// create our favourite FMOD-native streaming audio implementation
-LLStreamingAudioInterface *LLAudioEngine_FMODSTUDIO::createDefaultStreamingAudioImpl() const
-{
- return new LLStreamingAudio_FMODSTUDIO(mSystem);
-}
-
-
-void LLAudioEngine_FMODSTUDIO::allocateListener(void)
-{
- mListenerp = (LLListener *) new LLListener_FMODSTUDIO(mSystem);
- if (!mListenerp)
- {
- LL_WARNS("FMOD") << "Listener creation failed" << LL_ENDL;
- }
-}
-
-
-void LLAudioEngine_FMODSTUDIO::shutdown()
-{
- stopInternetStream();
-
- LL_INFOS("FMOD") << "About to LLAudioEngine::shutdown()" << LL_ENDL;
- LLAudioEngine::shutdown();
-
- LL_INFOS("FMOD") << "LLAudioEngine_FMODSTUDIO::shutdown() closing FMOD Studio" << LL_ENDL;
- if (mSystem)
- {
- mSystem->close();
- mSystem->release();
- }
- LL_INFOS("FMOD") << "LLAudioEngine_FMODSTUDIO::shutdown() done closing FMOD Studio" << LL_ENDL;
-
- delete mListenerp;
- mListenerp = NULL;
-}
-
-
-LLAudioBuffer * LLAudioEngine_FMODSTUDIO::createBuffer()
-{
- return new LLAudioBufferFMODSTUDIO(mSystem);
-}
-
-
-LLAudioChannel * LLAudioEngine_FMODSTUDIO::createChannel()
-{
- return new LLAudioChannelFMODSTUDIO(mSystem);
-}
-
-bool LLAudioEngine_FMODSTUDIO::initWind()
-{
- mNextWindUpdate = 0.0;
-
- if (!mWindDSPDesc)
- {
- mWindDSPDesc = new FMOD_DSP_DESCRIPTION();
- }
-
- if (!mWindDSP)
- {
- memset(mWindDSPDesc, 0, sizeof(*mWindDSPDesc)); //Set everything to zero
- strncpy(mWindDSPDesc->name, "Wind Unit", sizeof(mWindDSPDesc->name));
- mWindDSPDesc->pluginsdkversion = FMOD_PLUGIN_SDK_VERSION;
- 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;
-
- int frequency = 44100;
-
- FMOD_SPEAKERMODE mode;
- if (Check_FMOD_Error(mSystem->getSoftwareFormat(&frequency, &mode, nullptr), "FMOD::System::getSoftwareFormat"))
- {
- cleanupWind();
- return false;
- }
-
- mWindGen = new LLWindGen<MIXBUFFERFORMAT>((U32)frequency);
-
- if (Check_FMOD_Error(mWindDSP->setUserData((void*)mWindGen), "FMOD::DSP::setUserData"))
- {
- cleanupWind();
- return false;
- }
- if (Check_FMOD_Error(mWindDSP->setChannelFormat(FMOD_CHANNELMASK_STEREO, 2, mode), "FMOD::DSP::setChannelFormat"))
- {
- cleanupWind();
- return false;
- }
- }
-
- // *TODO: Should this guard against multiple plays?
- if (Check_FMOD_Error(mSystem->playDSP(mWindDSP, nullptr, false, nullptr), "FMOD::System::playDSP"))
- {
- cleanupWind();
- return false;
- }
- return true;
-}
-
-
-void LLAudioEngine_FMODSTUDIO::cleanupWind()
-{
- if (mWindDSP)
- {
- FMOD::ChannelGroup* master_group = NULL;
- if (!Check_FMOD_Error(mSystem->getMasterChannelGroup(&master_group), "FMOD::System::getMasterChannelGroup")
- && master_group)
- {
- master_group->removeDSP(mWindDSP);
- }
- mWindDSP->release();
- mWindDSP = NULL;
- }
-
- delete mWindDSPDesc;
- mWindDSPDesc = NULL;
-
- delete mWindGen;
- mWindGen = NULL;
-}
-
-
-//-----------------------------------------------------------------------
-void LLAudioEngine_FMODSTUDIO::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_FMODSTUDIO::setInternalGain(F32 gain)
-{
- if (!mInited)
- {
- return;
- }
-
- gain = llclamp(gain, 0.0f, 1.0f);
-
- FMOD::ChannelGroup* master_group = NULL;
- if (!Check_FMOD_Error(mSystem->getMasterChannelGroup(&master_group), "FMOD::System::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());
- }
-}
-
-//
-// LLAudioChannelFMODSTUDIO implementation
-//
-
-LLAudioChannelFMODSTUDIO::LLAudioChannelFMODSTUDIO(FMOD::System *system) : LLAudioChannel(), mSystemp(system), mChannelp(NULL), mLastSamplePos(0)
-{
-}
-
-
-LLAudioChannelFMODSTUDIO::~LLAudioChannelFMODSTUDIO()
-{
- cleanup();
-}
-
-bool LLAudioChannelFMODSTUDIO::updateBuffer()
-{
- if (!mCurrentSourcep)
- {
- // This channel isn't associated with any source, nothing
- // to be updated
- return false;
- }
-
- if (LLAudioChannel::updateBuffer())
- {
- // Base class update returned true, which means that we need to actually
- // set up the channel for a different buffer.
-
- LLAudioBufferFMODSTUDIO *bufferp = (LLAudioBufferFMODSTUDIO *)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(soundp, NULL /*free channel?*/, true, &mChannelp);
- Check_FMOD_Error(result, "FMOD::System::playSound");
- }
-
- // Setting up channel mChannelID
- }
-
- // 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 LLAudioChannelFMODSTUDIO::update3DPosition()
-{
- if (!mChannelp)
- {
- // We're not actually a live channel (i.e., we're not playing back anything)
- return;
- }
-
- LLAudioBufferFMODSTUDIO *bufferp = (LLAudioBufferFMODSTUDIO *)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->isForcedPriority())
- {
- // Prioritized UI and preview sounds 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 LLAudioChannelFMODSTUDIO::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 LLAudioChannelFMODSTUDIO::cleanup()
-{
- if (!mChannelp)
- {
- // Aborting cleanup with no channel handle.
- return;
- }
-
- //Cleaning up channel mChannelID
- Check_FMOD_Error(mChannelp->stop(), "FMOD::Channel::stop");
-
- mCurrentBufferp = NULL;
- mChannelp = NULL;
-}
-
-
-void LLAudioChannelFMODSTUDIO::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_FMODSTUDIO::mChannelGroups[getSource()->getType()])
- mChannelp->setChannelGroup(LLAudioEngine_FMODSTUDIO::mChannelGroups[getSource()->getType()]);
-}
-
-
-void LLAudioChannelFMODSTUDIO::playSynced(LLAudioChannel *channelp)
-{
- LLAudioChannelFMODSTUDIO *fmod_channelp = (LLAudioChannelFMODSTUDIO*)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 LLAudioChannelFMODSTUDIO::isPlaying()
-{
- if (!mChannelp)
- {
- return false;
- }
-
- bool paused, playing;
- mChannelp->getPaused(&paused);
- mChannelp->isPlaying(&playing);
- return !paused && playing;
-}
-
-
-//
-// LLAudioChannelFMODSTUDIO implementation
-//
-
-
-LLAudioBufferFMODSTUDIO::LLAudioBufferFMODSTUDIO(FMOD::System *system) : mSystemp(system), mSoundp(NULL)
-{
-}
-
-
-LLAudioBufferFMODSTUDIO::~LLAudioBufferFMODSTUDIO()
-{
- if (mSoundp)
- {
- mSoundp->release();
- mSoundp = NULL;
- }
-}
-
-
-bool LLAudioBufferFMODSTUDIO::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 (!gDirUtilp->fileExists(filename))
- {
- // 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_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 (since 1.05 fmod studio expects everything in UTF-8)
- FMOD_RESULT result = getSystem()->createSound(filename.c_str(), base_mode, &exinfo, &mSoundp);
-
- 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 LLAudioBufferFMODSTUDIO::getLength()
-{
- if (!mSoundp)
- {
- return 0;
- }
-
- U32 length;
- mSoundp->getLength(&length, FMOD_TIMEUNIT_PCMBYTES);
- return length;
-}
-
-
-void LLAudioChannelFMODSTUDIO::set3DMode(bool use3d)
-{
- FMOD_MODE current_mode;
- if (mChannelp->getMode(&current_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 *inbuffer, float *outbuffer, unsigned int length, int inchannels, int *outchannels)
-{
- // inbuffer = fmod's original mixbuffer.
- // outbuffer = the buffer passed from the previous DSP unit.
- // length = length in samples at this mix time.
-
- LLWindGen<LLAudioEngine_FMODSTUDIO::MIXBUFFERFORMAT> *windgen = NULL;
- FMOD::DSP *thisdsp = (FMOD::DSP *)dsp_state->instance;
-
- thisdsp->getUserData((void **)&windgen);
-
- if (windgen)
- {
- windgen->windGenerate((LLAudioEngine_FMODSTUDIO::MIXBUFFERFORMAT *)outbuffer, length);
- }
-
- return FMOD_OK;
-}
diff --git a/indra/llaudio/llaudioengine_fmodstudio.h b/indra/llaudio/llaudioengine_fmodstudio.h
deleted file mode 100644
index 29e7bc6bf0..0000000000
--- a/indra/llaudio/llaudioengine_fmodstudio.h
+++ /dev/null
@@ -1,131 +0,0 @@
-/**
- * @file audioengine_fmodstudio.h
- * @brief Definition of LLAudioEngine class abstracting the audio
- * support as a FMODSTUDIO implementation
- *
- * $LicenseInfo:firstyear=2020&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2020, 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
- * $/LicenseInfo$
- */
-
-#ifndef LL_AUDIOENGINE_FMODSTUDIO_H
-#define LL_AUDIOENGINE_FMODSTUDIO_H
-
-#include "llaudioengine.h"
-#include "llwindgen.h"
-
-//Stubs
-class LLAudioStreamManagerFMODSTUDIO;
-namespace FMOD
-{
- class System;
- class Channel;
- class ChannelGroup;
- class Sound;
- class DSP;
-}
-typedef struct FMOD_DSP_DESCRIPTION FMOD_DSP_DESCRIPTION;
-
-//Interfaces
-class LLAudioEngine_FMODSTUDIO : public LLAudioEngine
-{
-public:
- LLAudioEngine_FMODSTUDIO(bool enable_profiler);
- virtual ~LLAudioEngine_FMODSTUDIO();
-
- // initialization/startup/shutdown
- virtual bool init(void *user_data, const std::string &app_title);
- virtual std::string getDriverName(bool verbose);
- virtual LLStreamingAudioInterface* createDefaultStreamingAudioImpl() const;
- virtual void allocateListener();
-
- virtual void shutdown();
-
- /*virtual*/ bool initWind();
- /*virtual*/ void cleanupWind();
-
- /*virtual*/void updateWind(LLVector3 direction, F32 camera_height_above_water);
-
- typedef F32 MIXBUFFERFORMAT;
-
- FMOD::System *getSystem() const {return mSystem;}
-protected:
- /*virtual*/ LLAudioBuffer *createBuffer(); // Get a free buffer, or flush an existing one if you have to.
- /*virtual*/ LLAudioChannel *createChannel(); // Create a new audio channel.
-
- /*virtual*/ void setInternalGain(F32 gain);
-
- bool mInited;
-
- LLWindGen<MIXBUFFERFORMAT> *mWindGen;
-
- FMOD_DSP_DESCRIPTION *mWindDSPDesc;
- FMOD::DSP *mWindDSP;
- FMOD::System *mSystem;
- bool mEnableProfiler;
-
-public:
- static FMOD::ChannelGroup *mChannelGroups[LLAudioEngine::AUDIO_TYPE_COUNT];
-};
-
-
-class LLAudioChannelFMODSTUDIO : public LLAudioChannel
-{
-public:
- LLAudioChannelFMODSTUDIO(FMOD::System *audioengine);
- virtual ~LLAudioChannelFMODSTUDIO();
-
-protected:
- /*virtual*/ void play();
- /*virtual*/ void playSynced(LLAudioChannel *channelp);
- /*virtual*/ void cleanup();
- /*virtual*/ bool isPlaying();
-
- /*virtual*/ bool updateBuffer();
- /*virtual*/ void update3DPosition();
- /*virtual*/ void updateLoop();
-
- void set3DMode(bool use3d);
-protected:
- FMOD::System *getSystem() const {return mSystemp;}
- FMOD::System *mSystemp;
- FMOD::Channel *mChannelp;
- S32 mLastSamplePos;
-};
-
-
-class LLAudioBufferFMODSTUDIO : public LLAudioBuffer
-{
-public:
- LLAudioBufferFMODSTUDIO(FMOD::System *audioengine);
- virtual ~LLAudioBufferFMODSTUDIO();
-
- /*virtual*/ bool loadWAV(const std::string& filename);
- /*virtual*/ U32 getLength();
- friend class LLAudioChannelFMODSTUDIO;
-protected:
- FMOD::System *getSystem() const {return mSystemp;}
- FMOD::System *mSystemp;
- FMOD::Sound *getSound() const{ return mSoundp; }
- FMOD::Sound *mSoundp;
-};
-
-
-#endif // LL_AUDIOENGINE_FMODSTUDIO_H
diff --git a/indra/llaudio/llaudioengine_openal.cpp b/indra/llaudio/llaudioengine_openal.cpp
index 0a79614424..4a17b12532 100644
--- a/indra/llaudio/llaudioengine_openal.cpp
+++ b/indra/llaudio/llaudioengine_openal.cpp
@@ -135,10 +135,19 @@ void LLAudioEngine_OpenAL::shutdown()
LL_INFOS() << "About to LLAudioEngine::shutdown()" << LL_ENDL;
LLAudioEngine::shutdown();
+ // If a subsequent error occurs while there is still an error recorded
+ // internally, the second error will simply be ignored.
+ // Clear previous error to make sure we will captuare a valid failure reason
+ ALenum error = alutGetError();
+ if (error != ALUT_ERROR_NO_ERROR)
+ {
+ LL_WARNS() << "Uncleared error state prior to shutdown: "
+ << alutGetErrorString(error) << LL_ENDL;
+ }
+
LL_INFOS() << "About to alutExit()" << LL_ENDL;
if(!alutExit())
{
- LL_WARNS() << "Nuts." << LL_ENDL;
LL_WARNS() << "LLAudioEngine_OpenAL::shutdown() ALUT shutdown failed: " << alutGetErrorString (alutGetError ()) << LL_ENDL;
}
@@ -518,7 +527,7 @@ void LLAudioEngine_OpenAL::updateWind(LLVector3 wind_vec, F32 camera_altitude)
}
alBufferData(buffer,
- AL_FORMAT_STEREO16,
+ AL_FORMAT_STEREO_FLOAT32,
mWindGen->windGenerate(mWindBuf,
mWindBufSamples),
mWindBufBytes,
diff --git a/indra/llaudio/llaudioengine_openal.h b/indra/llaudio/llaudioengine_openal.h
index 562c96c794..c2dfad6a56 100644
--- a/indra/llaudio/llaudioengine_openal.h
+++ b/indra/llaudio/llaudioengine_openal.h
@@ -57,9 +57,9 @@ class LLAudioEngine_OpenAL : public LLAudioEngine
/*virtual*/ void updateWind(LLVector3 direction, F32 camera_altitude);
private:
- typedef S16 WIND_SAMPLE_T;
+ typedef F32 WIND_SAMPLE_T;
LLWindGen<WIND_SAMPLE_T> *mWindGen;
- S16 *mWindBuf;
+ F32 *mWindBuf;
U32 mWindBufFreq;
U32 mWindBufSamples;
U32 mWindBufBytes;
diff --git a/indra/llaudio/lllistener_fmodstudio.cpp b/indra/llaudio/lllistener_fmodstudio.cpp
deleted file mode 100644
index abd5e345b5..0000000000
--- a/indra/llaudio/lllistener_fmodstudio.cpp
+++ /dev/null
@@ -1,136 +0,0 @@
-/**
- * @file listener_fmodstudio.cpp
- * @brief Implementation of LISTENER class abstracting the audio
- * support as a FMODSTUDIO implementation
- *
- * $LicenseInfo:firstyear=2020&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2020, 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 "llaudioengine.h"
-#include "lllistener_fmodstudio.h"
-#include "fmodstudio/fmod.hpp"
-
-//-----------------------------------------------------------------------
-// constructor
-//-----------------------------------------------------------------------
-LLListener_FMODSTUDIO::LLListener_FMODSTUDIO(FMOD::System *system)
-{
- mSystem = system;
- init();
-}
-
-//-----------------------------------------------------------------------
-LLListener_FMODSTUDIO::~LLListener_FMODSTUDIO()
-{
-}
-
-//-----------------------------------------------------------------------
-void LLListener_FMODSTUDIO::init(void)
-{
- // do inherited
- LLListener::init();
- mDopplerFactor = 1.0f;
- mRolloffFactor = 1.0f;
-}
-
-//-----------------------------------------------------------------------
-void LLListener_FMODSTUDIO::translate(LLVector3 offset)
-{
- LLListener::translate(offset);
-
- mSystem->set3DListenerAttributes(0, (FMOD_VECTOR*)mPosition.mV, NULL, (FMOD_VECTOR*)mListenAt.mV, (FMOD_VECTOR*)mListenUp.mV);
-}
-
-//-----------------------------------------------------------------------
-void LLListener_FMODSTUDIO::setPosition(LLVector3 pos)
-{
- LLListener::setPosition(pos);
-
- mSystem->set3DListenerAttributes(0, (FMOD_VECTOR*)mPosition.mV, NULL, (FMOD_VECTOR*)mListenAt.mV, (FMOD_VECTOR*)mListenUp.mV);
-}
-
-//-----------------------------------------------------------------------
-void LLListener_FMODSTUDIO::setVelocity(LLVector3 vel)
-{
- LLListener::setVelocity(vel);
-
- mSystem->set3DListenerAttributes(0, NULL, (FMOD_VECTOR*)mVelocity.mV, (FMOD_VECTOR*)mListenAt.mV, (FMOD_VECTOR*)mListenUp.mV);
-}
-
-//-----------------------------------------------------------------------
-void LLListener_FMODSTUDIO::orient(LLVector3 up, LLVector3 at)
-{
- LLListener::orient(up, at);
-
- // at = -at; by default Fmod studio is 'left-handed' but we are providing
- // flag FMOD_INIT_3D_RIGHTHANDED so no correction are needed
-
- mSystem->set3DListenerAttributes(0, NULL, NULL, (FMOD_VECTOR*)at.mV, (FMOD_VECTOR*)up.mV);
-}
-
-//-----------------------------------------------------------------------
-void LLListener_FMODSTUDIO::commitDeferredChanges()
-{
- if (!mSystem)
- {
- return;
- }
-
- mSystem->update();
-}
-
-
-void LLListener_FMODSTUDIO::setRolloffFactor(F32 factor)
-{
- //An internal FMOD optimization skips 3D updates if there have not been changes to the 3D sound environment.
- // (this was true for FMODex, looks to be still true for FMOD STUDIO, but needs a recheck)
- //Sadly, a change in rolloff is not accounted for, thus we must touch the listener properties as well.
- //In short: Changing the position ticks a dirtyflag inside fmod, which makes it not skip 3D processing next update call.
- if (mRolloffFactor != factor)
- {
- LLVector3 pos = mPosition - LLVector3(0.f, 0.f, .1f);
- mSystem->set3DListenerAttributes(0, (FMOD_VECTOR*)pos.mV, NULL, NULL, NULL);
- mSystem->set3DListenerAttributes(0, (FMOD_VECTOR*)mPosition.mV, NULL, NULL, NULL);
- }
- mRolloffFactor = factor;
- mSystem->set3DSettings(mDopplerFactor, 1.f, mRolloffFactor);
-}
-
-
-F32 LLListener_FMODSTUDIO::getRolloffFactor()
-{
- return mRolloffFactor;
-}
-
-
-void LLListener_FMODSTUDIO::setDopplerFactor(F32 factor)
-{
- mDopplerFactor = factor;
- mSystem->set3DSettings(mDopplerFactor, 1.f, mRolloffFactor);
-}
-
-
-F32 LLListener_FMODSTUDIO::getDopplerFactor()
-{
- return mDopplerFactor;
-}
diff --git a/indra/llaudio/lllistener_fmodstudio.h b/indra/llaudio/lllistener_fmodstudio.h
deleted file mode 100644
index 6ad85d9700..0000000000
--- a/indra/llaudio/lllistener_fmodstudio.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/**
- * @file listener_fmodstudio.h
- * @brief Description of LISTENER class abstracting the audio support
- * as an FMOD 3D implementation
- *
- * $LicenseInfo:firstyear=2020&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2020, 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
- * $/LicenseInfo$
- */
-
-#ifndef LL_LISTENER_FMODSTUDIO_H
-#define LL_LISTENER_FMODSTUDIO_H
-
-#include "lllistener.h"
-
-//Stubs
-namespace FMOD
-{
- class System;
-}
-
-//Interfaces
-class LLListener_FMODSTUDIO : public LLListener
-{
-public:
- LLListener_FMODSTUDIO(FMOD::System *system);
- virtual ~LLListener_FMODSTUDIO();
- virtual void init();
-
- virtual void translate(LLVector3 offset);
- virtual void setPosition(LLVector3 pos);
- virtual void setVelocity(LLVector3 vel);
- virtual void orient(LLVector3 up, LLVector3 at);
- virtual void commitDeferredChanges();
-
- virtual void setDopplerFactor(F32 factor);
- virtual F32 getDopplerFactor();
- virtual void setRolloffFactor(F32 factor);
- virtual F32 getRolloffFactor();
-protected:
- FMOD::System *mSystem;
- F32 mDopplerFactor;
- F32 mRolloffFactor;
-};
-
-#endif
-
-
diff --git a/indra/llaudio/lllistener_openal.h b/indra/llaudio/lllistener_openal.h
index cb163b11a5..5ed99b0471 100644
--- a/indra/llaudio/lllistener_openal.h
+++ b/indra/llaudio/lllistener_openal.h
@@ -32,6 +32,7 @@
#include "AL/al.h"
#include "AL/alut.h"
+#include "AL/alext.h"
class LLListener_OpenAL : public LLListener
{
diff --git a/indra/llaudio/llstreamingaudio_fmodstudio.cpp b/indra/llaudio/llstreamingaudio_fmodstudio.cpp
deleted file mode 100644
index 85577992a6..0000000000
--- a/indra/llaudio/llstreamingaudio_fmodstudio.cpp
+++ /dev/null
@@ -1,481 +0,0 @@
-/**
- * @file streamingaudio_fmodstudio.cpp
- * @brief LLStreamingAudio_FMODSTUDIO implementation
- *
- * $LicenseInfo:firstyear=2020&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2020, 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 "llmath.h"
-
-#include "fmodstudio/fmod.hpp"
-#include "fmodstudio/fmod_errors.h"
-
-#include "llstreamingaudio_fmodstudio.h"
-
-
-class LLAudioStreamManagerFMODSTUDIO
-{
-public:
- LLAudioStreamManagerFMODSTUDIO(FMOD::System *system, const std::string& url);
- FMOD::Channel* startStream();
- bool stopStream(); // Returns true if the stream was successfully stopped.
- bool ready();
-
- const std::string& getURL() { return mInternetStreamURL; }
-
- FMOD_OPENSTATE getOpenState(unsigned int* percentbuffered = NULL, bool* starving = NULL, bool* diskbusy = NULL);
-protected:
- FMOD::System* mSystem;
- FMOD::Channel* mStreamChannel;
- FMOD::Sound* mInternetStream;
- bool mReady;
-
- std::string mInternetStreamURL;
-};
-
-
-
-//---------------------------------------------------------------------------
-// Internet Streaming
-//---------------------------------------------------------------------------
-LLStreamingAudio_FMODSTUDIO::LLStreamingAudio_FMODSTUDIO(FMOD::System *system) :
-mSystem(system),
-mCurrentInternetStreamp(NULL),
-mFMODInternetStreamChannelp(NULL),
-mGain(1.0f),
-mRetryCount(0)
-{
- // Number of milliseconds of audio to buffer for the audio card.
- // Must be larger than the usual Second Life frame stutter time.
- const U32 buffer_seconds = 10; //sec
- const U32 estimated_bitrate = 128; //kbit/sec
- FMOD_RESULT result = mSystem->setStreamBufferSize(estimated_bitrate * buffer_seconds * 128/*bytes/kbit*/, FMOD_TIMEUNIT_RAWBYTES);
- if (result != FMOD_OK)
- {
- LL_WARNS("FMOD") << "setStreamBufferSize error: " << FMOD_ErrorString(result) << LL_ENDL;
- }
-
- // Here's where we set the size of the network buffer and some buffering
- // parameters. In this case we want a network buffer of 16k, we want it
- // to prebuffer 40% of that when we first connect, and we want it
- // to rebuffer 80% of that whenever we encounter a buffer underrun.
-
- // Leave the net buffer properties at the default.
- //FSOUND_Stream_Net_SetBufferProperties(20000, 40, 80);
-}
-
-
-LLStreamingAudio_FMODSTUDIO::~LLStreamingAudio_FMODSTUDIO()
-{
- if (mCurrentInternetStreamp)
- {
- // Isn't supposed to hapen, stream should be clear by now,
- // and if it does, we are likely going to crash.
- LL_WARNS("FMOD") << "mCurrentInternetStreamp not null on shutdown!" << LL_ENDL;
- stop();
- }
-
- // Kill dead internet streams, if possible
- killDeadStreams();
-
- if (!mDeadStreams.empty())
- {
- // LLStreamingAudio_FMODSTUDIO was inited on startup
- // and should be destroyed on shutdown, it should
- // wait for streams to die to not cause crashes or
- // leaks.
- // Ideally we need to wait on some kind of callback
- // to release() streams correctly, but 200 ms should
- // be enough and we can't wait forever.
- LL_INFOS("FMOD") << "Waiting for " << (S32)mDeadStreams.size() << " streams to stop" << LL_ENDL;
- for (S32 i = 0; i < 20; i++)
- {
- const U32 ms_delay = 10;
- ms_sleep(ms_delay); // rude, but not many options here
- killDeadStreams();
- if (mDeadStreams.empty())
- {
- LL_INFOS("FMOD") << "All streams stopped after " << (S32)((i + 1) * ms_delay) << "ms" << LL_ENDL;
- break;
- }
- }
- }
-
- if (!mDeadStreams.empty())
- {
- LL_WARNS("FMOD") << "Failed to kill some audio streams" << LL_ENDL;
- }
-}
-
-void LLStreamingAudio_FMODSTUDIO::killDeadStreams()
-{
- std::list<LLAudioStreamManagerFMODSTUDIO *>::iterator iter;
- for (iter = mDeadStreams.begin(); iter != mDeadStreams.end();)
- {
- LLAudioStreamManagerFMODSTUDIO *streamp = *iter;
- if (streamp->stopStream())
- {
- LL_INFOS("FMOD") << "Closed dead stream" << LL_ENDL;
- delete streamp;
- iter = mDeadStreams.erase(iter);
- }
- else
- {
- iter++;
- }
- }
-}
-
-void LLStreamingAudio_FMODSTUDIO::start(const std::string& url)
-{
- //if (!mInited)
- //{
- // LL_WARNS() << "startInternetStream before audio initialized" << LL_ENDL;
- // return;
- //}
-
- // "stop" stream but don't clear url, etc. in case url == mInternetStreamURL
- stop();
-
- if (!url.empty())
- {
- LL_INFOS("FMOD") << "Starting internet stream: " << url << LL_ENDL;
- mCurrentInternetStreamp = new LLAudioStreamManagerFMODSTUDIO(mSystem, url);
- mURL = url;
- }
- else
- {
- LL_INFOS("FMOD") << "Set internet stream to null" << LL_ENDL;
- mURL.clear();
- }
-
- mRetryCount = 0;
-}
-
-
-void LLStreamingAudio_FMODSTUDIO::update()
-{
- // Kill dead internet streams, if possible
- killDeadStreams();
-
- // Don't do anything if there are no streams playing
- if (!mCurrentInternetStreamp)
- {
- return;
- }
-
- unsigned int progress;
- bool starving;
- bool diskbusy;
- FMOD_OPENSTATE open_state = mCurrentInternetStreamp->getOpenState(&progress, &starving, &diskbusy);
-
- if (open_state == FMOD_OPENSTATE_READY)
- {
- // Stream is live
-
- // start the stream if it's ready
- if (!mFMODInternetStreamChannelp &&
- (mFMODInternetStreamChannelp = mCurrentInternetStreamp->startStream()))
- {
- // Reset volume to previously set volume
- setGain(getGain());
- mFMODInternetStreamChannelp->setPaused(false);
- }
- mRetryCount = 0;
- }
- else if (open_state == FMOD_OPENSTATE_ERROR)
- {
- LL_INFOS("FMOD") << "State: FMOD_OPENSTATE_ERROR"
- << " Progress: " << U32(progress)
- << " Starving: " << S32(starving)
- << " Diskbusy: " << S32(diskbusy) << LL_ENDL;
- if (mRetryCount < 2)
- {
- // Retry
- std::string url = mURL;
- stop(); // might drop mURL, drops mCurrentInternetStreamp
-
- mRetryCount++;
-
- if (!url.empty())
- {
- LL_INFOS("FMOD") << "Restarting internet stream: " << url << ", attempt " << (mRetryCount + 1) << LL_ENDL;
- mCurrentInternetStreamp = new LLAudioStreamManagerFMODSTUDIO(mSystem, url);
- mURL = url;
- }
- }
- else
- {
- stop();
- }
- return;
- }
-
- if (mFMODInternetStreamChannelp)
- {
- FMOD::Sound *sound = NULL;
-
- if (mFMODInternetStreamChannelp->getCurrentSound(&sound) == FMOD_OK && sound)
- {
- FMOD_TAG tag;
- S32 tagcount, dirtytagcount;
-
- if (sound->getNumTags(&tagcount, &dirtytagcount) == FMOD_OK && dirtytagcount)
- {
- for (S32 i = 0; i < tagcount; ++i)
- {
- if (sound->getTag(NULL, i, &tag) != FMOD_OK)
- continue;
-
- if (tag.type == FMOD_TAGTYPE_FMOD)
- {
- if (!strcmp(tag.name, "Sample Rate Change"))
- {
- LL_INFOS("FMOD") << "Stream forced changing sample rate to " << *((float *)tag.data) << LL_ENDL;
- mFMODInternetStreamChannelp->setFrequency(*((float *)tag.data));
- }
- continue;
- }
- }
- }
-
- if (starving)
- {
- bool paused = false;
- mFMODInternetStreamChannelp->getPaused(&paused);
- if (!paused)
- {
- LL_INFOS("FMOD") << "Stream starvation detected! Pausing stream until buffer nearly full." << LL_ENDL;
- LL_INFOS("FMOD") << " (diskbusy=" << diskbusy << ")" << LL_ENDL;
- LL_INFOS("FMOD") << " (progress=" << progress << ")" << LL_ENDL;
- mFMODInternetStreamChannelp->setPaused(true);
- }
- }
- else if (progress > 80)
- {
- mFMODInternetStreamChannelp->setPaused(false);
- }
- }
- }
-}
-
-void LLStreamingAudio_FMODSTUDIO::stop()
-{
- if (mFMODInternetStreamChannelp)
- {
- mFMODInternetStreamChannelp->setPaused(true);
- mFMODInternetStreamChannelp->setPriority(0);
- mFMODInternetStreamChannelp = NULL;
- }
-
- if (mCurrentInternetStreamp)
- {
- LL_INFOS("FMOD") << "Stopping internet stream: " << mCurrentInternetStreamp->getURL() << LL_ENDL;
- if (mCurrentInternetStreamp->stopStream())
- {
- delete mCurrentInternetStreamp;
- }
- else
- {
- LL_WARNS("FMOD") << "Pushing stream to dead list: " << mCurrentInternetStreamp->getURL() << LL_ENDL;
- mDeadStreams.push_back(mCurrentInternetStreamp);
- }
- mCurrentInternetStreamp = NULL;
- //mURL.clear();
- }
-}
-
-void LLStreamingAudio_FMODSTUDIO::pause(int pauseopt)
-{
- if (pauseopt < 0)
- {
- pauseopt = mCurrentInternetStreamp ? 1 : 0;
- }
-
- if (pauseopt)
- {
- if (mCurrentInternetStreamp)
- {
- LL_INFOS("FMOD") << "Pausing internet stream" << LL_ENDL;
- stop();
- }
- }
- else
- {
- start(getURL());
- }
-}
-
-
-// A stream is "playing" if it has been requested to start. That
-// doesn't necessarily mean audio is coming out of the speakers.
-int LLStreamingAudio_FMODSTUDIO::isPlaying()
-{
- if (mCurrentInternetStreamp)
- {
- return 1; // Active and playing
- }
- else if (!mURL.empty())
- {
- return 2; // "Paused"
- }
- else
- {
- return 0;
- }
-}
-
-
-F32 LLStreamingAudio_FMODSTUDIO::getGain()
-{
- return mGain;
-}
-
-
-std::string LLStreamingAudio_FMODSTUDIO::getURL()
-{
- return mURL;
-}
-
-
-void LLStreamingAudio_FMODSTUDIO::setGain(F32 vol)
-{
- mGain = vol;
-
- if (mFMODInternetStreamChannelp)
- {
- vol = llclamp(vol * vol, 0.f, 1.f); //should vol be squared here?
-
- mFMODInternetStreamChannelp->setVolume(vol);
- }
-}
-
-///////////////////////////////////////////////////////
-// manager of possibly-multiple internet audio streams
-
-LLAudioStreamManagerFMODSTUDIO::LLAudioStreamManagerFMODSTUDIO(FMOD::System *system, const std::string& url) :
-mSystem(system),
-mStreamChannel(NULL),
-mInternetStream(NULL),
-mReady(false)
-{
- mInternetStreamURL = url;
-
- FMOD_RESULT result = mSystem->createStream(url.c_str(), FMOD_2D | FMOD_NONBLOCKING | FMOD_IGNORETAGS, 0, &mInternetStream);
-
- if (result != FMOD_OK)
- {
- LL_WARNS("FMOD") << "Couldn't open fmod stream, error "
- << FMOD_ErrorString(result)
- << LL_ENDL;
- mReady = false;
- return;
- }
-
- mReady = true;
-}
-
-FMOD::Channel *LLAudioStreamManagerFMODSTUDIO::startStream()
-{
- // We need a live and opened stream before we try and play it.
- if (!mInternetStream || getOpenState() != FMOD_OPENSTATE_READY)
- {
- LL_WARNS("FMOD") << "No internet stream to start playing!" << LL_ENDL;
- return NULL;
- }
-
- if (mStreamChannel)
- return mStreamChannel; //Already have a channel for this stream.
-
- FMOD_RESULT result = mSystem->playSound(mInternetStream, NULL, true, &mStreamChannel);
- if (result != FMOD_OK)
- {
- LL_WARNS("FMOD") << FMOD_ErrorString(result) << LL_ENDL;
- }
- return mStreamChannel;
-}
-
-bool LLAudioStreamManagerFMODSTUDIO::stopStream()
-{
- if (mInternetStream)
- {
-
-
- bool close = true;
- switch (getOpenState())
- {
- case FMOD_OPENSTATE_CONNECTING:
- close = false;
- break;
- default:
- close = true;
- }
-
- if (close)
- {
- mInternetStream->release();
- mStreamChannel = NULL;
- mInternetStream = NULL;
- return true;
- }
- else
- {
- return false;
- }
- }
- else
- {
- return true;
- }
-}
-
-FMOD_OPENSTATE LLAudioStreamManagerFMODSTUDIO::getOpenState(unsigned int* percentbuffered, bool* starving, bool* diskbusy)
-{
- FMOD_OPENSTATE state;
- FMOD_RESULT result = mInternetStream->getOpenState(&state, percentbuffered, starving, diskbusy);
- if (result != FMOD_OK)
- {
- LL_WARNS("FMOD") << FMOD_ErrorString(result) << LL_ENDL;
- }
- return state;
-}
-
-void LLStreamingAudio_FMODSTUDIO::setBufferSizes(U32 streambuffertime, U32 decodebuffertime)
-{
- FMOD_RESULT result = mSystem->setStreamBufferSize(streambuffertime / 1000 * 128 * 128, FMOD_TIMEUNIT_RAWBYTES);
- if (result != FMOD_OK)
- {
- LL_WARNS("FMOD") << "setStreamBufferSize error: " << FMOD_ErrorString(result) << LL_ENDL;
- return;
- }
- FMOD_ADVANCEDSETTINGS settings;
- memset(&settings, 0, sizeof(settings));
- settings.cbSize = sizeof(settings);
- settings.defaultDecodeBufferSize = decodebuffertime;//ms
- result = mSystem->setAdvancedSettings(&settings);
- if (result != FMOD_OK)
- {
- LL_WARNS("FMOD") << "setAdvancedSettings error: " << FMOD_ErrorString(result) << LL_ENDL;
- }
-}
diff --git a/indra/llaudio/llstreamingaudio_fmodstudio.h b/indra/llaudio/llstreamingaudio_fmodstudio.h
deleted file mode 100644
index 35a7b1226e..0000000000
--- a/indra/llaudio/llstreamingaudio_fmodstudio.h
+++ /dev/null
@@ -1,76 +0,0 @@
-/**
- * @file streamingaudio_fmodstudio.h
- * @brief Definition of LLStreamingAudio_FMODSTUDIO implementation
- *
- * $LicenseInfo:firstyear=2020&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2020, 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
- * $/LicenseInfo$
- */
-
-#ifndef LL_STREAMINGAUDIO_FMODSTUDIO_H
-#define LL_STREAMINGAUDIO_FMODSTUDIO_H
-
-#include "stdtypes.h" // from llcommon
-
-#include "llstreamingaudio.h"
-#include "lltimer.h"
-
-//Stubs
-class LLAudioStreamManagerFMODSTUDIO;
-namespace FMOD
-{
- class System;
- class Channel;
-}
-
-//Interfaces
-class LLStreamingAudio_FMODSTUDIO : public LLStreamingAudioInterface
-{
-public:
- LLStreamingAudio_FMODSTUDIO(FMOD::System *system);
- /*virtual*/ ~LLStreamingAudio_FMODSTUDIO();
-
- /*virtual*/ void start(const std::string& url);
- /*virtual*/ void stop();
- /*virtual*/ void pause(S32 pause);
- /*virtual*/ void update();
- /*virtual*/ S32 isPlaying();
- /*virtual*/ void setGain(F32 vol);
- /*virtual*/ F32 getGain();
- /*virtual*/ std::string getURL();
-
- /*virtual*/ bool supportsAdjustableBufferSizes(){return true;}
- /*virtual*/ void setBufferSizes(U32 streambuffertime, U32 decodebuffertime);
-private:
- void killDeadStreams();
-
- FMOD::System *mSystem;
-
- LLAudioStreamManagerFMODSTUDIO *mCurrentInternetStreamp;
- FMOD::Channel *mFMODInternetStreamChannelp;
- std::list<LLAudioStreamManagerFMODSTUDIO *> mDeadStreams;
-
- std::string mURL;
- F32 mGain;
- S32 mRetryCount;
-};
-
-
-#endif // LL_STREAMINGAUDIO_FMODSTUDIO_H
diff --git a/indra/llaudio/llvorbisencode.cpp b/indra/llaudio/llvorbisencode.cpp
index 2e1ed9b505..cfb2efbdbc 100644
--- a/indra/llaudio/llvorbisencode.cpp
+++ b/indra/llaudio/llvorbisencode.cpp
@@ -75,7 +75,7 @@ S32 check_for_invalid_wav_formats(const std::string& in_fname, std::string& erro
U32 chunk_length = 0;
U32 raw_data_length = 0;
U32 bytes_per_sec = 0;
- BOOL uncompressed_pcm = FALSE;
+ bool uncompressed_pcm = false;
unsigned char wav_header[44]; /*Flawfinder: ignore*/
@@ -133,7 +133,7 @@ S32 check_for_invalid_wav_formats(const std::string& in_fname, std::string& erro
{
if ((wav_header[8] == 0x01) && (wav_header[9] == 0x00))
{
- uncompressed_pcm = TRUE;
+ uncompressed_pcm = true;
}
num_channels = ((U16) wav_header[11] << 8) + wav_header[10];
sample_rate = ((U32) wav_header[15] << 24)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 07:11:20 +0000