Merge "The mp3 decoder should not assert that decoding was successful but return an error instead."

    mConfig->outputFrameSize = buffer->size() / sizeof(int16_t);

    mConfig->pOutputBuffer = static_cast<int16_t *>(buffer->data());

    CHECK_EQ(pvmp3_framedecoder(mConfig, mDecoderBuf), NO_DECODING_ERROR);

    if (pvmp3_framedecoder(mConfig, mDecoderBuf) != NO_DECODING_ERROR) {

        mInputBuffer->release();

        mInputBuffer = NULL;

        return UNKNOWN_ERROR;

    }

    buffer->set_range(

            0, mConfig->outputFrameSize * sizeof(int16_t));