int mdx_parse_mml_ym2151_async(void* in_self)
{
int i;
long count;
struct timeval st,et;
int infinite_loops;
mdxmml_ym2151_instances* self = (mdxmml_ym2151_instances *)in_self;
pcm8_clear_buffer_flush_flag();
gettimeofday(&st, NULL);
gettimeofday(&et, NULL);
loop:
if (self->all_track_finished==FLAG_TRUE) {
return FLAG_FALSE;
}
if ( self->fade_out > 0 ) {
if ( self->fade_out_wait==0 ) {
self->fade_out_wait = self->fade_out;
}
self->fade_out_wait--;
if ( self->fade_out_wait==0 ) {
self->master_volume--;
}
if ( self->master_volume==0 ) {
return FLAG_FALSE;
}
}
ym2151_set_master_volume( self->master_volume * self->mdx->fm_volume / 127 );
pcm8_set_master_volume( self->master_volume * self->mdx->pcm_volume / 127 );
self->all_track_finished=FLAG_TRUE;
infinite_loops = 32767; /* large enough */
for ( i=0 ; i<self->mdx->tracks ; i++ ) {
if ( self->mdx->track[i].waiting_sync == FLAG_TRUE )
{
continue;
}
count = self->mdx->track[i].counter;
if ( count < 0 ) {
continue; /* this track has finished */
}
self->all_track_finished=FLAG_FALSE;
self->mdx->track[i].gate--;
if ( self->mdx->track[i].gate == 0 ) {
note_off( i );
}
if ( i<8 ) {
ym2151_set_freq_volume( i ); /* do portament, lfo, detune */
}
count--;
while ( count == 0 ) {
count=set_new_event( i );
}
self->mdx->track[i].counter = count;
if ( infinite_loops > self->mdx->track[i].infinite_loop_times ) {
infinite_loops = self->mdx->track[i].infinite_loop_times;
}
}
if ( self->mdx->max_infinite_loops > 0 ) {
if ( infinite_loops >= self->mdx->max_infinite_loops ) {
self->fade_out = self->mdx->fade_out_speed;
}
}
/* timer count */
self->mdx->total_count++;
self->mdx->elapsed_time += 1000*1024*(256 - self->mdx->tempo)/4000;
/* st.tv_usec += 1000* 1024*(256 - self->mdx->tempo)/4000;
while ( st.tv_usec >= 1000*1000 ) {
st.tv_usec-=1000*1000;
st.tv_sec++;
}
while( timercmp(&st,&et,>) ) {
do_pcm8();
et.tv_usec += PCM8_SYSTEM_RATE*1000;
while ( et.tv_usec >= 1000*1000 ) {
et.tv_usec-=1000*1000;
et.tv_sec++;
}
}
if (pcm8_buffer_flush_flag()==FLAG_FALSE) {
goto loop;
}*/
return FLAG_TRUE;
}
int
mdx_parse_mml_ym2151_async(songdata *data)
{
int i;
long count;
int infinite_loops;
__GETSELF(data)
pcm8_clear_buffer_flush_flag(data);
loop:
if (self->all_track_finished==FLAG_TRUE) {
return FLAG_FALSE;
}
if ( self->fade_out > 0 ) {
if ( self->fade_out_wait==0 ) { self->fade_out_wait = self->fade_out; }
self->fade_out_wait--;
if ( self->fade_out_wait==0 ) { self->master_volume--; }
if ( self->master_volume==0 ) { return FLAG_FALSE; }
}
ym2151_set_master_volume( self->master_volume * self->mdx->fm_volume / 127, data );
pcm8_set_master_volume( self->master_volume * self->mdx->pcm_volume / 127, data );
self->all_track_finished=FLAG_TRUE;
infinite_loops = 32767; /* large enough */
for ( i=0 ; i<self->mdx->tracks ; i++ ) {
if ( self->mdx->track[i].waiting_sync == FLAG_TRUE )
{ continue; }
count = self->mdx->track[i].counter;
if ( count < 0 ) { continue; } /* this track has finished */
self->all_track_finished=FLAG_FALSE;
self->mdx->track[i].gate--;
if ( self->mdx->track[i].gate == 0 ) { note_off( i, data ); }
if ( i<8 ) {
ym2151_set_freq_volume( i, data ); /* do portament, lfo, detune */
}
count--;
while ( count == 0 ) {
count=set_new_event( i, data );
}
self->mdx->track[i].counter = count;
if ( infinite_loops > self->mdx->track[i].infinite_loop_times ) {
infinite_loops = self->mdx->track[i].infinite_loop_times;
}
}
if ( self->mdx->max_infinite_loops > 0 ) {
if ( infinite_loops >= self->mdx->max_infinite_loops ) {
self->fade_out = self->mdx->fade_out_speed;
}
}
/* timer count */
self->mdx->total_count++;
self->mdx->elapsed_time += 1000*1024*(256 - self->mdx->tempo)/4000;
return FLAG_TRUE;
}
