+
+ p_buffer = p_fifo->p_first;
+ if ( !AOUT_FMT_NON_LINEAR( &p_aout->mixer.mixer ) )
+ {
+ /* Additionally check that p_first_byte_to_mix is well
+ * located. */
+ mtime_t i_nb_bytes = (start_date - p_buffer->start_date)
+ * p_aout->mixer.mixer.i_bytes_per_frame
+ * p_aout->mixer.mixer.i_rate
+ / p_aout->mixer.mixer.i_frame_length
+ / 1000000;
+ ptrdiff_t mixer_nb_bytes;
+
+ if ( p_input->p_first_byte_to_mix == NULL )
+ {
+ p_input->p_first_byte_to_mix = p_buffer->p_buffer;
+ }
+ mixer_nb_bytes = p_input->p_first_byte_to_mix - p_buffer->p_buffer;
+
+ if ( !((i_nb_bytes + p_aout->mixer.mixer.i_bytes_per_frame
+ > mixer_nb_bytes) &&
+ (i_nb_bytes < p_aout->mixer.mixer.i_bytes_per_frame
+ + mixer_nb_bytes)) )
+ {
+ msg_Warn( p_aout, "mixer start isn't output start (%"PRId64")",
+ i_nb_bytes - mixer_nb_bytes );
+
+ /* Round to the nearest multiple */
+ i_nb_bytes /= p_aout->mixer.mixer.i_bytes_per_frame;
+ i_nb_bytes *= p_aout->mixer.mixer.i_bytes_per_frame;
+ if( i_nb_bytes < 0 )
+ {
+ /* Is it really the best way to do it ? */
+ aout_FifoSet( p_aout, &p_aout->output.fifo, 0 );
+ aout_DateSet( &exact_start_date, 0 );
+ break;
+ }
+
+ p_input->p_first_byte_to_mix = p_buffer->p_buffer + i_nb_bytes;
+ }
+ }