unsigned int i_nb_channels = aout_FormatNbChannels( &p_filter->fmt_in.audio );
unsigned int i_in_nb = p_in_buf->i_nb_samples;
unsigned int i_out_nb = i_in_nb * p_filter->fmt_out.audio.i_rate
/ p_filter->fmt_in.audio.i_rate;
unsigned int i_sample_bytes = i_nb_channels * sizeof(int32_t);
unsigned int i_nb_channels = aout_FormatNbChannels( &p_filter->fmt_in.audio );
unsigned int i_in_nb = p_in_buf->i_nb_samples;
unsigned int i_out_nb = i_in_nb * p_filter->fmt_out.audio.i_rate
/ p_filter->fmt_in.audio.i_rate;
unsigned int i_sample_bytes = i_nb_channels * sizeof(int32_t);