Class AudioSampleConverter

AudioFile.h:236–276

//=============================================================
template <typename T>
struct AudioSampleConverter
{
    //=============================================================
    /** Convert a signed 8-bit integer to an audio sample */
    static T signedByteToSample (int8_t sample);
    
    /** Convert an audio sample to an signed 8-bit representation */
    static int8_t sampleToSignedByte (T sample);
    
    //=============================================================
    /** Convert an unsigned 8-bit integer to an audio sample */
    static T unsignedByteToSample (uint8_t sample);
    
    /** Convert an audio sample to an unsigned 8-bit representation */
    static uint8_t sampleToUnsignedByte (T sample);
    
    //=============================================================
    /** Convert a 16-bit integer to an audio sample */
    static T sixteenBitIntToSample (int16_t sample);
    
    /** Convert a an audio sample to a 16-bit integer */
    static int16_t sampleToSixteenBitInt (T sample);
    
    //=============================================================
    /** Convert a 24-bit value (int a 32-bit int) to an audio sample */
    static T twentyFourBitIntToSample (int32_t sample);
    
    /** Convert a an audio sample to a 24-bit value (in a 32-bit integer) */
    static int32_t sampleToTwentyFourBitInt (T sample);
    
    //=============================================================
    /** Convert a 32-bit signed integer to an audio sample */
    static T thirtyTwoBitIntToSample (int32_t sample);
    
    /** Convert a an audio sample to a 32-bit signed integer */
    static int32_t sampleToThirtyTwoBitInt (T sample);
    
    //=============================================================
    /** Helper clamp function to enforce ranges */
    static T clamp (T v1, T minValue, T maxValue);
};

//=============================================================
struct AiffUtilities