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I have some issue with Oboe when I trying to load more than 90 - 100 sounds the app Crash with : 

Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0 in tid 32081 (AudioTrack), pid 32003

I have test to play only one of them all and all works fine. It crash only when I try to load a lot of files. For load all of them I juste user an array of Player : 

std::array<std::array<std::unique_ptr<Player>, 16>,19> mSoundKit;

mSoundKit[instrument][intensity] = std::make_unique<Player>(mClapSource);

mMixer.addTrack(mSoundKit[instrument][intensity].get());

I try to upgrade the maxTracks of the app : 

constexpr uint8_t kMaxTracks = 255;

But I just have a crash now for loading more than 130-140 sounds

The same crash with renderAudio : 

mTracks[i]->renderAudio(mixingBuffer, numFrames);

from AudioReady :

mMixer.renderAudio(outputBuffer+(oboeStream->getChannelCount()*i), 1);

I do something wrong ?

I have to load 230 240 sound for play them at same time. Can I have help for that please ?

clement bailloeuil
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1 Answers1

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It's tough to debug your code without seeing a full stack trace and source code (could you post a link to a github project?), however, the most likely cause is that you are dereferencing a null pointer somewhere.

Some possible causes:

  1. Are you sure kMaxTracks is high enough? You have a 16x19 2D array which equates to 304 possible players. Adding more than kMaxTracks tracks will result in undefined behaviour.
  2. Are the Player objects all successfully created? If not, there's a problem with your source files or the loading process.
  3. How big are these files? You might be running out of memory.
donturner
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  • I just find that all the sound files need to be in 48 000 rates. They are in 44 100. I just have to find a solution to convert all my sound with a free solution without lose quality. Thanks again @donturner – clement bailloeuil Aug 29 '19 at 12:40