webrtc iOS native : +[UIDevice deviceType]: unrecognized selector sent to class 0x3aa4b420

[Chen Cong]

Hi,

I compile the ios static library and use the library to create a app ,  but when  I ran the app in 5c ,  it showed the error :

2016-09-06 11:36:10.148 WebRTC1[1194:748952] +[UIDevice deviceType]: unrecognized selector sent to class 0x3aa4b420

2016-09-06 11:36:10.149 WebRTC1[1194:748952] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '+[UIDevice deviceType]: unrecognized selector sent to class 0x3aa4b420'

*** First throw call stack:

(0x23ae1b0b 0x2329edff 0x23ae7371 0x23ae50ab 0x23a0f298 0x101331 0x1013f9 0x2329fabb 0x232a599d 0x232a58a3 0x232abd1b 0xf6851 0xf1c2d 0x342d95 0x265625 0x2657ff 0x257489 0x2555f9 0x1b6b47 0x23e64d 0x22db07 0x23e40b 0x23e2e3 0x23814c7f 0x23814bf3 0x23812a08)

libc++abi.dylib: terminating with uncaught exception of type NSException

I can not figure out why it happens.Can anyone help me?

Thanks

-Cong

[Henrik Andreasson]

What iOS version is used? If not latest (9.3), please update and try again.

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[Nuno Jun]

I am having same issue on iOS 10. This issue didn't exist on iOS 9 or earlier. Tested with iPhone 5 and iPad Air 2 using the latest version of webrtc. Please refer to below more information.

(webrtcvoiceengine.cc:522): WebRtcVoiceEngine::WebRtcVoiceEngine

(webrtcvoiceengine.cc:529): Supported send codecs in order of preference:

(webrtcvoiceengine.cc:284): Adding supported codec: opus/48000/2 (111)

(webrtcvoiceengine.cc:284): Adding supported codec: ISAC/16000/1 (103)

(webrtcvoiceengine.cc:284): Adding supported codec: G722/8000/1 (9)

(webrtcvoiceengine.cc:284): Adding supported codec: ILBC/8000/1 (102)

(webrtcvoiceengine.cc:284): Adding supported codec: PCMU/8000/1 (0)

(webrtcvoiceengine.cc:284): Adding supported codec: PCMA/8000/1 (8)

(webrtcvoiceengine.cc:284): Adding supported codec: CN/32000/1 (106)

(webrtcvoiceengine.cc:284): Adding supported codec: CN/16000/1 (105)

(webrtcvoiceengine.cc:284): Adding supported codec: CN/8000/1 (13)

(webrtcvoiceengine.cc:284): Adding supported codec: telephone-event/8000/1 (126)

(webrtcvoiceengine.cc:532): opus/48000/2 (111)

(webrtcvoiceengine.cc:532): ISAC/16000/1 (103)

(webrtcvoiceengine.cc:532): G722/8000/1 (9)

(webrtcvoiceengine.cc:532): ILBC/8000/1 (102)

(webrtcvoiceengine.cc:532): PCMU/8000/1 (0)

(webrtcvoiceengine.cc:532): PCMA/8000/1 (8)

(webrtcvoiceengine.cc:532): CN/32000/1 (106)

(webrtcvoiceengine.cc:532): CN/16000/1 (105)

(webrtcvoiceengine.cc:532): CN/8000/1 (13)

(webrtcvoiceengine.cc:532): telephone-event/8000/1 (126)

(webrtcvoiceengine.cc:535): Supported recv codecs in order of preference:

(webrtcvoiceengine.cc:538): opus/48000/2 (111)

(webrtcvoiceengine.cc:538): isac/16000/1 (103)

(webrtcvoiceengine.cc:538): G722/8000/1 (9)

(webrtcvoiceengine.cc:538): iLBC/8000/1 (102)

(webrtcvoiceengine.cc:538): PCMU/8000/1 (0)

(webrtcvoiceengine.cc:538): PCMA/8000/1 (8)

(webrtcvoiceengine.cc:538): cn/16000/1 (105)

(webrtcvoiceengine.cc:538): cn/8000/1 (13)

(webrtcvoiceengine.cc:538): telephone-event/8000/1 (126)

(webrtcvoiceengine.cc:546): VoiceEngine 4.1.0

(audio_device_impl.cc:86): Create

(audio_device_buffer.cc:68): AudioDeviceBuffer::ctor

(audio_device_impl.cc:133): AudioDeviceModuleImpl

(audio_device_impl.cc:141): CheckPlatform

(audio_device_impl.cc:158): current platform is IOS

(audio_device_impl.cc:182): CreatePlatformSpecificObjects

(audio_device_impl.cc:1881): PlatformAudioLayer

(audio_device_ios.mm:103): AudioDeviceIOS::ctor<NSThread: 0x1764f890>{number = 9, name = (null)}

(audio_device_impl.cc:324): iPhone Audio APIs will be utilized

(audio_device_impl.cc:371): AttachAudioBuffer

(audio_device_ios.mm:117): AudioDeviceIOS::AttachAudioBuffer

(audio_device_impl.cc:1482): RegisterEventObserver

(audio_device_impl.cc:1495): RegisterAudioCallback

(audio_device_buffer.cc:110): RegisterAudioCallback

(audio_device_impl.cc:499): Init

(audio_device_ios.mm:124): AudioDeviceIOS::Init

2016-09-29 17:43:36.292489 biz_typhone_iphone[518:439689] +[UIDevice deviceType]: unrecognized selector sent to class 0x3896dac0

2016-09-29 17:43:36.293170 biz_typhone_iphone[518:439689] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '+[UIDevice deviceType]: unrecognized selector sent to class 0x3896dac0'

*** First throw call stack:

(0x1beb2e07 0x1b113077 0x1beb8477 0x1beb6589 0x1bddbf08 0x57945b 0x57950d 0x1b113bbd 0x1b113e03 0x1b11a74f 0x1b11a661 0x1b12096f 0x56e70b 0x569e09 0x6626eb 0x52cfe3 0x52d187 0x51d267 0x51ccbd 0x4ad883 0x4f0763 0x4e0809 0x4f04e9 0x4f03b9 0x1b710a17 0x1b71093d 0x1b70e498)

[Henrik Andreasson]

Please file a bug on the WebRTC issue tracker. The AppRTCMobile demo based on ToT WebRTC works well on iOS10 for iPhone 6 and 6s.

If the issue only happens in your application; provide as many details as possible or try to reproduce using AppRTCMobile on your phone.

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[Nuno Jun]

Thanks for your quick response.

I guess maybe this issue is not related to iOS 10. I will take a look at this issue further and get back to you.

Many Thanks,

[Nuno Jun]

I've tried solve this issue and found out belows:

1> This runtime issue occurs when CreatePeerConnectionFactory() invoked and the exact location is as following:

src/webrtc/modules/audio_device/ios/audio_device_ios.mm

AudioDeviceGeneric::InitStatus AudioDeviceIOS::Init() {

  LOGI() << "Init";

  RTC_DCHECK(thread_checker_.CalledOnValidThread());

  if (initialized_) {

    return InitStatus::OK;

  }

#if !defined(NDEBUG)

  LogDeviceInfo();

#endif

  // Store the preferred sample rate and preferred number of channels already

  // here. They have not been set and confirmed yet since configureForWebRTC

  // is not called until audio is about to start. However, it makes sense to

  // store the parameters now and then verify at a later stage.

  RTCAudioSessionConfiguration* config =

      [RTCAudioSessionConfiguration webRTCConfiguration];

  playout_parameters_.reset(config.sampleRate,

                            config.outputNumberOfChannels);

  record_parameters_.reset(config.sampleRate,

                           config.inputNumberOfChannels);

  // Ensure that the audio device buffer (ADB) knows about the internal audio

  // parameters. Note that, even if we are unable to get a mono audio session,

  // we will always tell the I/O audio unit to do a channel format conversion

  // to guarantee mono on the "input side" of the audio unit.

  UpdateAudioDeviceBuffer();

  initialized_ = true;

  return InitStatus::OK;

}

2> as currently build_ios_libs.sh does not work ever since moved from GYP to GN (https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/discuss-webrtc/rh9YqNNH23Q/rVAUs2BACAAJ), I created a static WebRTC library by merging all libraries under out/Release-iphoneos/obj and then created a signle fat binary supporting all architectures after compilation using GN.

Also i am wondering if this issue is related to https://groups.google.com/forum/#!searchin/discuss-webrtc/RTCAudioSessionConfiguration%7Csort:relevance/discuss-webrtc/YATXL6VGySg/Udym5pVFCAAJ because only difference is runtime issue or not.

Any suggestions?

[Nuno Jun]

It turned out that this issue was caused by ldfalg "-force_load" option in my application. Changed it to "-ObjC" and it is working fine now. Please refer to below for more information.

https://developer.apple.com/library/content/qa/qa1490/_index.html

[Alexander Widerberg]

Yes! 

Thanks for submitting this find! Helped me on 10.2 as well!