# \#cpp **URL:** https://qa.fmod.com/tag/cpp/17.md [Latest](https://qa.fmod.com/latest.md) · [Categories](https://qa.fmod.com/categories.md) · [Tags](https://qa.fmod.com/tags.md) --- ## [Get VCA by ID C++](https://qa.fmod.com/t/get-vca-by-id-c/24531)
**Author:** [@Sidera](https://qa.fmod.com/u/Sidera)\ **Replies:** 0\ **Last updated:** [September 24, 2026, 2:16am UTC](https://qa.fmod.com/t/get-vca-by-id-c/24531 "2026-09-24T02:16:34Z")
Hello FMOD Team, I am attempting to build out the settings functionality in my game. My Audio team has done a great job setting up the VCAs and I am now wanting to manipulate them. Below is a snippet of code that I have… --- ## [Emscripten 6.0.2 with Fmod Pthreads not creating threads](https://qa.fmod.com/t/emscripten-6-0-2-with-fmod-pthreads-not-creating-threads/24420)
**Author:** [@sbehnke-zynga](https://qa.fmod.com/u/sbehnke-zynga)\ **Replies:** 7\ **Last updated:** [September 2, 2026, 11:47pm UTC](https://qa.fmod.com/t/emscripten-6-0-2-with-fmod-pthreads-not-creating-threads/24420 "2026-09-02T23:47:26Z")
I’m using: FMOD Engine 2.03.14 html5/wasm fmodP/fmodPL (w32) libs, linked into an emscripten 6.0.2 C/C++ project. Cross-origin isolation is working (crossOriginIsolated === true, SAB available); the AudioWorklet mixer … --- ## [FMOD Event Waveform Visualization in Unreal Engine Sequencer](https://qa.fmod.com/t/fmod-event-waveform-visualization-in-unreal-engine-sequencer/24440)
**Author:** [@pro1ife](https://qa.fmod.com/u/pro1ife)\ **Replies:** 6\ **Last updated:** [August 13, 2026, 11:34pm UTC](https://qa.fmod.com/t/fmod-event-waveform-visualization-in-unreal-engine-sequencer/24440 "2026-08-13T23:34:29Z")
Hi FMOD team, I recently joined a project as a cinematic artist and was asked to use FMOD for all audio work. I was surprised that FMOD Event Control Tracks in Unreal Sequencer do not show any waveform preview. For cin… --- ## [Recommended method for rendering FMOD Studio event waveforms](https://qa.fmod.com/t/recommended-method-for-rendering-fmod-studio-event-waveforms/24328)
**Author:** [@d3vi1i5hv0id](https://qa.fmod.com/u/d3vi1i5hv0id)\ **Replies:** 1\ **Last updated:** [June 15, 2026, 6:57am UTC](https://qa.fmod.com/t/recommended-method-for-rendering-fmod-studio-event-waveforms/24328 "2026-06-15T06:57:04Z")
Hello, I’m currently working on the Godot 4.5 source code, making a custom FMOD engine module. The rest of the integration is unimportant in its implementation, but I am currently dealing with rendering a waveform of St… --- ## [Understanding the size of the bank vs size of samples in RAM](https://qa.fmod.com/t/understanding-the-size-of-the-bank-vs-size-of-samples-in-ram/24251)
**Author:** [@sidebail](https://qa.fmod.com/u/sidebail)\ **Replies:** 2\ **Last updated:** [June 10, 2026, 6:00pm UTC](https://qa.fmod.com/t/understanding-the-size-of-the-bank-vs-size-of-samples-in-ram/24251 "2026-06-10T18:00:27Z")
Hello! It’s this time of the year where we hit some memory allocation crashes in FMOD and jumped the rabbit hole of profiler and fixes. So, as I’m investigating the memory usage that’s allocated we’ve stumbled upon a que… --- ## [Thread crash in FMOD::SystemI::updateStreams](https://qa.fmod.com/t/thread-crash-in-fmod-updatestreams/24265)
**Author:** [@elesh](https://qa.fmod.com/u/elesh)\ **Replies:** 5\ **Last updated:** [May 19, 2026, 4:01pm UTC](https://qa.fmod.com/t/thread-crash-in-fmod-updatestreams/24265 "2026-05-19T16:01:32Z")
I’m working with an old windows product experiencing stalls when releasing sounds. I’ve switched to delayed releasing of sound sources until they are either in a ready or error state as suggested in the documentation. Ho… --- ## [Android 3D spatialisation + DSP processing](https://qa.fmod.com/t/android-3d-spatialisation-dsp-processing/24238)
**Author:** [@joshechoes](https://qa.fmod.com/u/joshechoes)\ **Replies:** 3\ **Last updated:** [May 19, 2026, 5:24am UTC](https://qa.fmod.com/t/android-3d-spatialisation-dsp-processing/24238 "2026-05-19T05:24:43Z")
Spatialisation with android + head tracking on Pixel Pro devices with Pixel Buds Pro is working (plus a bunch of other headphones that support head tracking, e.g. Redmi Buds Pro, SHOKZ OpenFit Pro etc.). It head tracks a… --- ## [Need to debug crash within fmodstudio.dll - PDB required](https://qa.fmod.com/t/need-to-debug-crash-within-fmodstudio-dll-pdb-required/24193)
**Author:** [@sidebail](https://qa.fmod.com/u/sidebail)\ **Replies:** 2\ **Last updated:** [April 20, 2026, 1:42pm UTC](https://qa.fmod.com/t/need-to-debug-crash-within-fmodstudio-dll-pdb-required/24193 "2026-04-20T13:42:53Z")
Hi! I’m working on a proprietary Engine and Game using C++ and we have a bunch of crashes within fmodstudio.dll. Version: 2.03.10 To identify the cause of crashes I’m looking for a .pdb file of that version. Could I ge… --- ## [Crash when calling removeDSP](https://qa.fmod.com/t/crash-when-calling-removedsp/24185)
**Author:** [@dquartz](https://qa.fmod.com/u/dquartz)\ **Replies:** 2\ **Last updated:** [April 15, 2026, 1:50am UTC](https://qa.fmod.com/t/crash-when-calling-removedsp/24185 "2026-04-15T01:50:50Z")
Hi, I’m working on a crash bug that happens sometimes when traveling between levels. It’s during cleanup code for a basic channel listener we use to display a waveform. Cleanup looks like this: if (bIsRegistered) { … --- ## [Android / AAudio stream repeatedly closes and reopens during System::update(), causing frame spikes on Samsung Device](https://qa.fmod.com/t/android-aaudio-stream-repeatedly-closes-and-reopens-during-system-update-causing-frame-spikes-on-samsung-device/24089)
**Author:** [@weijie.ng](https://qa.fmod.com/u/weijie.ng)\ **Replies:** 8\ **Last updated:** [March 27, 2026, 5:50pm UTC](https://qa.fmod.com/t/android-aaudio-stream-repeatedly-closes-and-reopens-during-system-update-causing-frame-spikes-on-samsung-device/24089 "2026-03-27T17:50:00Z")
Hi, I’m currently using the arm64 build of FMOD on Android and I’ve tested on multiple devices, where it seems to work fine. However, on the Samsung Galaxy Z Fold 6, I’m seeing an issue where the audio stream appears to … --- ## ["fmodstudio.dll was not found" crash on visual studio release x64](https://qa.fmod.com/t/fmodstudio-dll-was-not-found-crash-on-visual-studio-release-x64/24083)
**Author:** [@CiaranTDev](https://qa.fmod.com/u/CiaranTDev)\ **Replies:** 3\ **Last updated:** [March 5, 2026, 11:47am UTC](https://qa.fmod.com/t/fmodstudio-dll-was-not-found-crash-on-visual-studio-release-x64/24083 "2026-03-05T11:47:49Z")
Currently I am getting a crash “fmodstudio.dll was not found” when I try to run my fmod project on release. It runs perfectly fine on debug, and I am almost certain I have linked my additional dependencies correctly (se… --- ## [Title: FMOD Studio event not playing even with correct path](https://qa.fmod.com/t/title-fmod-studio-event-not-playing-even-with-correct-path/24075)
**Author:** [@mueoc](https://qa.fmod.com/u/mueoc)\ **Replies:** 1\ **Last updated:** [March 3, 2026, 1:54am UTC](https://qa.fmod.com/t/title-fmod-studio-event-not-playing-even-with-correct-path/24075 "2026-03-03T01:54:33Z")
hi Hi, I’m having trouble with a FMOD Studio event it’s not playing, and I don’t understand why. I’m using a LoadAudioFiles function to get the path to my bank files, and it returns the correct path. I have successfull… --- ## [File pathing issues when loading banks & issues using common.h](https://qa.fmod.com/t/file-pathing-issues-when-loading-banks-issues-using-common-h/23952)
**Author:** [@CiaranTDev](https://qa.fmod.com/u/CiaranTDev)\ **Replies:** 4\ **Last updated:** [February 9, 2026, 5:21am UTC](https://qa.fmod.com/t/file-pathing-issues-when-loading-banks-issues-using-common-h/23952 "2026-02-09T05:21:24Z")
FMOD noob here, trying to use FMOD studio api VS 2022 C++ for the first time for a mini project, but I’m having trouble using loadBankFilefor my masterbank as I’m unsure what the correct filepath to my bank folders are. … --- ## [setPause function causing memory leak](https://qa.fmod.com/t/setpause-function-causing-memory-leak/23630)
**Author:** [@tadkal1](https://qa.fmod.com/u/tadkal1)\ **Replies:** 7\ **Last updated:** [February 2, 2026, 11:27pm UTC](https://qa.fmod.com/t/setpause-function-causing-memory-leak/23630 "2026-02-02T23:27:40Z")
Hello, we are using FMOD 2.03.08 with UE5.6 and noticed that calling the setPause() function causes audio channel count to increase from our typical 100–150 channels to 1024, and memory usage keeps growing as well. Is th… --- ## [Looping sound you can toggle](https://qa.fmod.com/t/looping-sound-you-can-toggle/23933)
**Author:** [@valochfull](https://qa.fmod.com/u/valochfull)\ **Replies:** 1\ **Last updated:** [February 2, 2026, 5:36am UTC](https://qa.fmod.com/t/looping-sound-you-can-toggle/23933 "2026-02-02T05:36:48Z")
Hi! Looking for expert advice on how to do this with FMOD Core API: Looping sound you can toggle on and off at will, cleanly (no pops or clicks) in a game. Typical use cases: engine exhaust sound effect of a player contr… --- ## [Access to audio file's full PCM buffer in DSP plugin](https://qa.fmod.com/t/access-to-audio-files-full-pcm-buffer-in-dsp-plugin/23924)
**Author:** [@jeremyabel](https://qa.fmod.com/u/jeremyabel)\ **Replies:** 2\ **Last updated:** [January 26, 2026, 6:20pm UTC](https://qa.fmod.com/t/access-to-audio-files-full-pcm-buffer-in-dsp-plugin/23924 "2026-01-26T18:20:14Z")
I’m looking into the feasibility of developing a plugin that will allow DJ-style scratching / scrubbing playback of a single audio file. The normal way I know of to do this is via sample interpolation and manual playhead… --- ## [MS ADPCM encoded .wav results in FMOD\_ERR\_FILE\_BAD using FMOD\_System\_CreateSound](https://qa.fmod.com/t/ms-adpcm-encoded-wav-results-in-fmod-err-file-bad-using-fmod-system-createsound/23848)
**Author:** [@MatVeiQaaa](https://qa.fmod.com/u/MatVeiQaaa)\ **Replies:** 5\ **Last updated:** [January 14, 2026, 3:49am UTC](https://qa.fmod.com/t/ms-adpcm-encoded-wav-results-in-fmod-err-file-bad-using-fmod-system-createsound/23848 "2026-01-14T03:49:41Z")
MS ADPCM encoded .wav files with 16 bits per sample fail to load with FMOD\_CREATESAMPLE and FMOD\_CREATECOMPRESSEDSAMPLE flags, while FMOD\_CREATESTREAM works as expected, but 4 bits per sample files always fail. Outputtin… --- ## [How do to 3D panning on camera, attenuation on character](https://qa.fmod.com/t/how-do-to-3d-panning-on-camera-attenuation-on-character/21526)
**Author:** [@jeremyabel](https://qa.fmod.com/u/jeremyabel)\ **Replies:** 2\ **Last updated:** [January 5, 2026, 5:25pm UTC](https://qa.fmod.com/t/how-do-to-3d-panning-on-camera-attenuation-on-character/21526 "2026-01-05T17:25:39Z")
I have the same question that was solved several years ago here: Set up 3rd listener on 3rd person camera and attenuation on character In terms of doing this in Unreal, is the approach the same? If I do this on tick, wo… --- ## [Error 74 on engine start and shutdown resulting in rider breakpoints](https://qa.fmod.com/t/error-74-on-engine-start-and-shutdown-resulting-in-rider-breakpoints/23837)
**Author:** [@Zenunim](https://qa.fmod.com/u/Zenunim)\ **Replies:** 1\ **Last updated:** [December 28, 2025, 11:38pm UTC](https://qa.fmod.com/t/error-74-on-engine-start-and-shutdown-resulting-in-rider-breakpoints/23837 "2025-12-28T23:38:39Z")
Hey guys. We recently came across a curious new issue with the FFMODStudioModule. On engine start and shutdown it throws Error: System::getBus(bus:/, 000000364A17C530) returned error 74 and subsequently error 30. My unde… --- ## [Cannot compile 5.7 version of plugin 2.03.11](https://qa.fmod.com/t/cannot-compile-5-7-version-of-plugin-2-03-11/23793)
**Author:** [@ReiVieira1986](https://qa.fmod.com/u/ReiVieira1986)\ **Replies:** 0\ **Last updated:** [December 11, 2025, 4:54pm UTC](https://qa.fmod.com/t/cannot-compile-5-7-version-of-plugin-2-03-11/23793 "2025-12-11T16:54:17Z")
(topic deleted by author) --- ## [Possible Event Cone Angle bug](https://qa.fmod.com/t/possible-event-cone-angle-bug/23504)
**Author:** [@danitabaires](https://qa.fmod.com/u/danitabaires)\ **Replies:** 7\ **Last updated:** [November 20, 2025, 4:26am UTC](https://qa.fmod.com/t/possible-event-cone-angle-bug/23504 "2025-11-20T04:26:26Z")
Hi! This is the X-Plane flight simulator and we’re running into what we suspect is a bug into the Event Cone Angle parameter handling in FMOD. There is this event that corresponds to the engine of an aircraft (let’s say… --- ## [Compile error with UE 5.6.1](https://qa.fmod.com/t/compile-error-with-ue-5-6-1/23237)
**Author:** [@EternalStarlight](https://qa.fmod.com/u/EternalStarlight)\ **Replies:** 16\ **Last updated:** [November 18, 2025, 11:43am UTC](https://qa.fmod.com/t/compile-error-with-ue-5-6-1/23237 "2025-11-18T11:43:11Z")
Hello, I moved to the latest version of the engine (5.6.1) and using version 2.03.09 of the Unreal Integration prevents compilation. It is related to a mistype in the generated FMODCallbackHandler source file --- ## [Clarification on how getMeteringInfo works](https://qa.fmod.com/t/clarification-on-how-getmeteringinfo-works/23649)
**Author:** [@AndreaGiaccone](https://qa.fmod.com/u/AndreaGiaccone)\ **Replies:** 1\ **Last updated:** [November 18, 2025, 6:02am UTC](https://qa.fmod.com/t/clarification-on-how-getmeteringinfo-works/23649 "2025-11-18T06:02:52Z")
Hi everyone, I’m trying to understand in detail how FMOD::DSP::getMeteringInfo works in the Core API. I need the RMS level of an FMOD event to modify the size of a mesh in real time, but the values I’m getting are uncl… --- ## [Possibility of official support for the Godot engine?](https://qa.fmod.com/t/possibility-of-official-support-for-the-godot-engine/19333)
**Author:** [@arcoppi](https://qa.fmod.com/u/arcoppi)\ **Replies:** 22\ **Last updated:** [November 18, 2025, 5:14am UTC](https://qa.fmod.com/t/possibility-of-official-support-for-the-godot-engine/19333 "2025-11-18T05:14:50Z")
Hey there! There are some existing (and very comprehensive!) 3rd-party bindings of the FMOD API for Godot via C++ (see: GitHub - utopia-rise/fmod-gdnative: FMOD Studio integration and bindings for the Godot game engine)… --- ## [Horrible Sound Quality on Linux?](https://qa.fmod.com/t/horrible-sound-quality-on-linux/23584)
**Author:** [@rune101](https://qa.fmod.com/u/rune101)\ **Replies:** 3\ **Last updated:** [November 18, 2025, 1:40am UTC](https://qa.fmod.com/t/horrible-sound-quality-on-linux/23584 "2025-11-18T01:40:59Z")
Hello Guys. So I am making a small game in c++ using opengl and using fmod engine for audio. The audio quality for exactly same source code and music files result in very different sound quality. On windows, it works fi… --- ## [2.03.10 - PlayEventAtLocation failing if bAutoPlay not set](https://qa.fmod.com/t/2-03-10-playeventatlocation-failing-if-bautoplay-not-set/23548)
**Author:** [@ed.rodrigues](https://qa.fmod.com/u/ed.rodrigues)\ **Replies:** 1\ **Last updated:** [November 5, 2025, 2:56am UTC](https://qa.fmod.com/t/2-03-10-playeventatlocation-failing-if-bautoplay-not-set/23548 "2025-11-05T02:56:48Z")
Hello! Just upgraded to the latest version of FMOD Studio & FMOD for Unreal today and immediately ran into an issue where some of our 3D audio events aren’t playing. FMOD Version: 2.03.10 (upgraded from 2.03.06) Unreal… --- ## [Crash in Java\_org\_fmod\_FMOD\_OutputAAudioHeadphonesChanged](https://qa.fmod.com/t/crash-in-java-org-fmod-fmod-outputaaudioheadphoneschanged/23444)
**Author:** [@balmer](https://qa.fmod.com/u/balmer)\ **Replies:** 5\ **Last updated:** [October 20, 2025, 4:52am UTC](https://qa.fmod.com/t/crash-in-java-org-fmod-fmod-outputaaudioheadphoneschanged/23444 "2025-10-20T04:52:42Z")
After we cleaned out the most significant crashes from our game, this version of the fmod crash came to the top. This crash doesn’t happen that often, about 1 time per 1000 user sessions. I am attaching stacks of falls f… --- ## [Crash on Android 16 in "FMOD mixer thre" After Migrating from FMOD Ex](https://qa.fmod.com/t/crash-on-android-16-in-fmod-mixer-thre-after-migrating-from-fmod-ex/23397)
**Author:** [@bettercallNick](https://qa.fmod.com/u/bettercallNick)\ **Replies:** 3\ **Last updated:** [September 30, 2025, 11:43pm UTC](https://qa.fmod.com/t/crash-on-android-16-in-fmod-mixer-thre-after-migrating-from-fmod-ex/23397 "2025-09-30T23:43:43Z")
Hi everyone, We are in the process of migrating our game from FMOD Ex to the latest FMOD version and have run into a consistent crash on Android 16. The game runs perfectly on older Android versions (14, 15), but on And… --- ## [Title Different channel behavior when switching from Core API to Studio API: after sound finishes Channel::\* calls fail](https://qa.fmod.com/t/title-different-channel-behavior-when-switching-from-core-api-to-studio-api-after-sound-finishes-channel-calls-fail/23358)
**Author:** [@kozl22](https://qa.fmod.com/u/kozl22)\ **Replies:** 2\ **Last updated:** [September 29, 2025, 6:16am UTC](https://qa.fmod.com/t/title-different-channel-behavior-when-switching-from-core-api-to-studio-api-after-sound-finishes-channel-calls-fail/23358 "2025-09-29T06:16:49Z")
Windows (x64), C++ FMOD: 2.03.09 I have a working setup with the Core API: CHECKFMODERR(FMOD::System\_Create(&system)); CHECKFMODERR(system-\>setSoftwareChannels(MAX\_SOUNDS\_SLOTS)); CHECKFMODERR(system-\>init(MAX\_SOUND… --- ## [Old FMOD library required](https://qa.fmod.com/t/old-fmod-library-required/23383)
**Author:** [@pyetrosafe](https://qa.fmod.com/u/pyetrosafe)\ **Replies:** 2\ **Last updated:** [September 23, 2025, 12:53pm UTC](https://qa.fmod.com/t/old-fmod-library-required/23383 "2025-09-23T12:53:46Z")
Hi, I have a project for a very old game (2011-2012), from my college days, that uses the equally old FMOD for audio. Could you get the library from that era so I can use/link it to the project? I used some keys like: … [Next page](https://qa.fmod.com/tag/cpp/17.md?match_all_tags=true&page=1&tags%5B%5D=cpp)