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  1. #1
    Registered User
    Join Date
    Oct 2005
    Posts
    3

    Recording an Audio Input stream using CMdaAudioInputStream

    Can Anyone help.

    I have created an application that uses the CMdaAudioInputStream to record an input stream to a file.

    1. What is the default file format i.e. is it PCM, WAV or AMR.

    2. How can I set the file format that I want to record too. And if, for
    Example PCM is the default format, what should I do to make my
    application record the audio input stream to the WAV or MP3 i.e
    different file format.

    3. How do I continiuosly stream audio input. I have looked at the Audio
    Input/Output Streaming example which is good. but has limitations for
    what I need to do. I need to Record approx. 5 - 10 mins of audio data
    if possible.


    Thanks in advance

    Rastapasta

  2. #2
    Nokia Developer Moderator
    Join Date
    Mar 2003
    Location
    Lempäälä/Finland
    Posts
    29,166

    Re: Recording an Audio Input stream using CMdaAudioInputStream

    its PCM, you basically just have to use converters to convert the PCM to your target format after you get it from the recording stream.

    yucca

  3. #3
    Registered User
    Join Date
    Jan 2006
    Posts
    11

    Re: Recording an Audio Input stream using CMdaAudioInputStream

    Mr. Rastapasta
    please i need help urgently
    iam a student and have no idea about symbian, and was asked to make a digital signal processing DSP project on S80
    please view my thread and this thread too
    no one answered my questions on them
    i hardly could (killed myself to do this) make my CMdaAudioInputStream but i couldnt compile my code due to these errors:
    Code:
    HELLOWORLDBASICAPPUI.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMdaAudioInputStream::SetPriority(int,enum TMdaPriorityPreference)" (?SetPriority@CMdaAudioInputStream@@QAEXHW4TMdaPriorityPreference@@@Z)
    HELLOWORLDBASICAPPUI.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMdaAudioInputStream::SetGain(int)" (?SetGain@CMdaAudioInputStream@@QAEXH@Z)
    HELLOWORLDBASICAPPUI.obj : error LNK2001: unresolved external symbol "public: int __thiscall CMdaAudioInputStream::MaxGain(void)const " (?MaxGain@CMdaAudioInputStream@@QBEHXZ)
    HELLOWORLDBASICAPPUI.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMdaAudioInputStream::Open(class TMdaPackage *)" (?Open@CMdaAudioInputStream@@QAEXPAVTMdaPackage@@@Z)
    HELLOWORLDBASICAPPUI.obj : error LNK2001: unresolved external symbol "public: static class CMdaAudioInputStream * __cdecl CMdaAudioInputStream::NewL(class MMdaAudioInputStreamCallback &)" (?NewL@CMdaAudioInputStream@@SAPAV1@AAVMMdaAudioInputStreamCa
    llback@@@Z)
    HELLOWORLDBASICAPPUI.obj : error LNK2001: unresolved external symbol "public: void __thiscall CMdaAudioInputStream::ReadL(class TDes8 &)" (?ReadL@CMdaAudioInputStream@@QAEXAAVTDes8@@@Z)
    HELLOWORLDBASIC.APP - 9 error(s), 0 warning(s)
    I have created an application that uses the CMdaAudioInputStream to record an input stream to a file.
    so please tell me what's wrong, and please as fast as possible
    my trial (my bad code ) is written in my threads
    I have looked at the Audio Input/Output Streaming example which is good
    where is that example??



    many thanx in advance

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