applyGain2()

static void applyGain2 ( int16_t *  data, int32_t  mult  )

static

Definition at line 6 of file eris_mixer_ext.cpp.

{
    uint32_t *p = (uint32_t *)data;
    const uint32_t *end = (uint32_t *)(data + AUDIO_BLOCK_SAMPLES);
 
    do {
        uint32_t tmp32 = *p; // read 2 samples from *data
        int32_t val1 = signed_multiply_32x16b(mult, tmp32);
        int32_t val2 = signed_multiply_32x16t(mult, tmp32);
        val1 = signed_saturate_rshift(val1, 16, 0);
        val2 = signed_saturate_rshift(val2, 16, 0);
        *p++ = pack_16b_16b(val2, val1);
    } while (p < end);
}

References p.

Referenced by AudioMixer8::update().

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