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iOS MP3 with High Bitrate (192kbs and above) to PCM Conversion issue
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iOS MP3 with High Bitrate (192kbs and above) to PCM Conversion issue


  • Subject: iOS MP3 with High Bitrate (192kbs and above) to PCM Conversion issue
  • From: Sasikumar JP <email@hidden>
  • Date: Fri, 16 Mar 2012 10:46:20 +0530

Hi,

   I have a iOS streaming radio app to play mp3/AAC audio streams. I am using CoreAudio for conversion and playback. Everything works fine up to 128Kbps bitrate.

If i try with high bitrate audio stream, my converter(AudioConverterFillComplexBuffer()) fails with -1 error code. i could not find what is the issue.

My Audio stream callback method is invoked with 1045 bytes per packet. I am using 4096Bytes as result Buffer.

Can any one guide me, Is there any parameter in ASBD i should configure differently for high bitrate audio stream conversion.


Any help is highly appreciated.

Thanks

Sasikumar JP
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