pv->list = hb_list_init();
pv->state = a52_init( 0 );
- /* Decide what format we want out of a52dec
- work.c has already done some of this deduction for us in do_job() */
+ /* Decide what format we want out of a52dec
+ work.c has already done some of this deduction for us in do_job() */
- pv->flags_out = HB_AMIXDOWN_GET_A52_FORMAT(audio->config.out.mixdown);
+ pv->flags_out = HB_AMIXDOWN_GET_A52_FORMAT(audio->config.out.mixdown);
- /* pass the number of channels used into the private work data */
- /* will only be actually used if we're not doing AC3 passthru */
+ /* pass the number of channels used into the private work data */
+ /* will only be actually used if we're not doing AC3 passthru */
pv->out_discrete_channels = HB_AMIXDOWN_GET_DISCRETE_CHANNEL_COUNT(audio->config.out.mixdown);
pv->level = 32768.0;
/* Feed liba52 */
a52_frame( pv->state, pv->frame, &pv->flags_out, &pv->level, 0 );
- if ( pv->dynamic_range_compression > 1.0 )
+ /* If a user specifies strong dynamic range compression (>1), adjust it.
+ If a user specifies default dynamic range compression (1), leave it alone.
+ If a user specifies no dynamic range compression (0), call a null function. */
+ if( pv->dynamic_range_compression > 1.0 )
{
- a52_dynrng( pv->state, dynrng_call, &pv->dynamic_range_compression);
+ a52_dynrng( pv->state, dynrng_call, &pv->dynamic_range_compression );
+ }
+ else if( !pv->dynamic_range_compression )
+ {
+ a52_dynrng( pv->state, NULL, NULL );
}
/* 6 blocks per frame, 256 samples per block, channelsused channels */
/* Interleave */
for( j = 0; j < 256; j++ )
{
- for ( k = 0; k < pv->out_discrete_channels; k++ )
- {
- samples_out[(pv->out_discrete_channels*j)+k] = samples_in[(256*k)+j];
- }
+ for ( k = 0; k < pv->out_discrete_channels; k++ )
+ {
+ samples_out[(pv->out_discrete_channels*j)+k] = samples_in[(256*k)+j];
+ }
}
}