static inline void downmix_3f_2r_to_mono(float *samples) { int i; for (i = 0; i < 256; i++) { samples[i] += (samples[i + 256] + samples[i + 512] + samples[i + 768] + samples[i + 1024]); samples[i + 256] = samples[i + 512] = samples[i + 768] = samples[i + 1024] = 0; } }