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[Raymond <1433563@xxxxxxxxxxxxxxxxxx>]

it look like qaudiorecorder bug


in qaudioinput_alsa_p.cpp


buffer_time = 100000;
    period_time = 20000;

but chunks = 8


if ( !fatal ) {

        err = snd_pcm_hw_params_set_buffer_time_near(handle, hwparams,
&buffer_time, &dir);

        if ( err < 0 ) {

            fatal = true;

            errMessage = QString::fromLatin1("QAudioInput:
snd_pcm_hw_params_set_buffer_time_near: err = %1").arg(err);

        }

    }

    if ( !fatal ) {

        err = snd_pcm_hw_params_set_period_time_near(handle, hwparams,
&period_time, &dir);

        if ( err < 0 ) {

            fatal = true;

            errMessage = QString::fromLatin1("QAudioInput:
snd_pcm_hw_params_set_period_time_near: err = %1").arg(err);

        }

    }

    if ( !fatal ) {

        err = snd_pcm_hw_params_set_periods_near(handle, hwparams,
&chunks, &dir);

        if ( err < 0 ) {

            fatal = true;

            errMessage = QString::fromLatin1("QAudioInput:
snd_pcm_hw_params_set_periods_near: err = %1").arg(err);

        }

    }

    if ( !fatal ) {

        err = snd_pcm_hw_params(handle, hwparams);

        if ( err < 0 ) {

            fatal = true;

            errMessage = QString::fromLatin1("QAudioInput:
snd_pcm_hw_params: err = %1").arg(err);

        }

    }

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to pulseaudio in Ubuntu.
https://bugs.launchpad.net/bugs/1433563

Title:
  QAudioRecorder recording hangs

Status in pulseaudio package in Ubuntu:
  New

Bug description:
  Recording audio with QAudioRecorder intermittently fails for me.
  Another user even reported that it only works 1 out of 5-10 times.

  QAudioRecorder seems to hang on requesting the audio to be recorded
  (status QMediaRecortder::StartingStatus). When it actually works, it
  properly goes from starting to recording and then it's possible to
  record audio and playback.

  QAudioRecorder has an error() method, but it returns
  QMediaRecorder::NoError

  Since it was confirmed by two people (victorp, karni) we suspect it's
  a bug in the middleware rather than the apps.

  A test click has been sent to Ricardo's e-mail by Victor.

  phablet@ubuntu-phablet:~$ system-image-cli -i
  current build number: 20
  device name: krillin
  channel: (the BQ channel)
  last update: 2015-02-26 17:06:15
  version version: 20
  version ubuntu: 20150219
  version device: 20150225-b67e0b6
  version custom: 20150216-561-29-186

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