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Commit c23885eb authored by Glenn Kasten's avatar Glenn Kasten
Browse files

Add versions of get/SetParameters without I/O handle 

This is a step towards hiding I/O handles from application level,
as much as possible.

Change-Id: I30f4171d5dcf77f8e8eb332ce2e9245b30f5f2e1
parent bd72d220

include/media/AudioSystem.h

+4 −0
Original line number Diff line number Diff line
@@ -79,8 +79,12 @@ public: 
    // set/get audio hardware parameters. The function accepts a list of parameters

    // key value pairs in the form: key1=value1;key2=value2;...

    // Some keys are reserved for standard parameters (See AudioParameter class).

    // The versions with audio_io_handle_t are intended for internal media framework use only.

    static status_t setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs);

    static String8  getParameters(audio_io_handle_t ioHandle, const String8& keys);

    // The versions without audio_io_handle_t are intended for JNI.

    static status_t setParameters(const String8& keyValuePairs);

    static String8  getParameters(const String8& keys);



    static void setErrorCallback(audio_error_callback cb);

media/libmedia/AudioSystem.cpp

+10 −0
Original line number Diff line number Diff line
@@ -190,6 +190,16 @@ String8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& ke 
    return result;

}



status_t AudioSystem::setParameters(const String8& keyValuePairs)

{

    return setParameters((audio_io_handle_t) 0, keyValuePairs);

}



String8 AudioSystem::getParameters(const String8& keys)

{

    return getParameters((audio_io_handle_t) 0, keys);

}



// convert volume steps to natural log scale



// change this value to change volume scaling