void* mdx_parse_mml_ym2151_async_initialize(MDX_DATA *orig_mdx, PDX_DATA *orig_pdx) {
__GETSELF;
self->mdx = orig_mdx;
self->pdx = orig_pdx;
mdx_init_track_work_area_ym2151();
self->pcm8_disable=FLAG_TRUE;
if ( pcm8_open(self->mdx)==0 ) {
self->pcm8_disable=FLAG_FALSE;
}
if (!ym2151_reg_init( self->mdx )) {
/* failed to initialize opm! */
return NULL;
}
/* start parsing */
self->all_track_finished=FLAG_FALSE;
self->fade_out_wait=0;
self->master_volume=127;
return (void *)self;
}
int mdx_parse_mml_ym2151_async_get_length(songdata *data)
{
int next,sec;
__GETSELF(data)
next = 1;
while(next && self->mdx->elapsed_time < (1200 * 1000000))
{
next = mdx_parse_mml_ym2151_async(data);
}
sec = (int)self->mdx->elapsed_time / 1000000;
/* stop */
ym2151_all_note_off(data);
/* reinitialize */
mdx_init_track_work_area_ym2151(data);
pcm8_init(data);
if (!ym2151_reg_init( self->mdx, data )) {
/* failed to initialize opm! */
return 0;
}
/* start parsing */
self->all_track_finished=FLAG_FALSE;
self->fade_out_wait=0;
self->master_volume=127;
return sec;
}
int mdx_parse_mml_ym2151( MDX_DATA *orig_mdx, PDX_DATA *orig_pdx ) {
int i;
long count;
struct timeval st,et;
int fade_out_wait;
int master_volume;
int infinite_loops;
__GETSELF;
self->mdx = orig_mdx;
self->pdx = orig_pdx;
mdx_init_track_work_area_ym2151();
self->pcm8_disable=FLAG_TRUE;
if ( pcm8_open(self->mdx)==0 ) {
self->pcm8_disable=FLAG_FALSE;
}
if (!ym2151_reg_init( self->mdx )) {
/* failed to initialize opm! */
pcm8_close();
return 1;
}
/* start parsing */
all_track_finished=FLAG_FALSE;
fade_out_wait=0;
master_volume=127;
gettimeofday(&st, NULL);
srand((int)st.tv_usec%65536);
gettimeofday(&et, NULL);
while(all_track_finished==FLAG_FALSE) {
if ( self->fade_out > 0 ) {
if ( fade_out_wait==0 ) {
fade_out_wait = self->fade_out;
}
fade_out_wait--;
if ( fade_out_wait==0 ) {
master_volume--;
}
if ( master_volume==0 ) {
break;
}
}
ym2151_set_master_volume( master_volume * self->mdx->fm_volume / 127 );
pcm8_set_master_volume( master_volume * self->mdx->pcm_volume / 127 );
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 */
}
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(0);
et.tv_usec += 1000;//PCM8_SYSTEM_RATE*1000;
while ( et.tv_usec >= 1000*1000 ) {
et.tv_usec-=1000*1000;
et.tv_sec++;
}
}
}
//for (i=0;i<1000;i++) do_pcm8(0);
do_pcm8(1);
ym2151_all_note_off();
pcm8_close();
mdx_ym2151_shutdown();
return 0;
}
int
mdx_parse_mml_ym2151( MDX_DATA *orig_mdx, PDX_DATA *orig_pdx, songdata *data )
{
int i;
long count;
int all_track_finished;
int fade_out_wait;
int master_volume;
int infinite_loops;
__GETSELF(data);
self->mdx = orig_mdx;
self->pdx = orig_pdx;
mdx_init_track_work_area_ym2151(data);
self->pcm8_disable=FLAG_TRUE;
if ( pcm8_open(self->mdx, data)==0 ) {
self->pcm8_disable=FLAG_FALSE;
}
if (!ym2151_reg_init( self->mdx, data )) {
/* failed to initialize opm! */
return 1;
}
/* start parsing */
all_track_finished=FLAG_FALSE;
fade_out_wait=0;
master_volume=127;
while(all_track_finished==FLAG_FALSE) {
if ( self->fade_out > 0 ) {
if ( fade_out_wait==0 ) { fade_out_wait = self->fade_out; }
fade_out_wait--;
if ( fade_out_wait==0 ) { master_volume--; }
if ( master_volume==0 ) { break; }
}
ym2151_set_master_volume( master_volume * self->mdx->fm_volume / 127, data );
pcm8_set_master_volume( master_volume * self->mdx->pcm_volume / 127, data );
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 */
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;
do_pcm8(NULL,-1, data);
}
ym2151_all_note_off(data);
pcm8_close(data);
ym2151_shutdown(data);
return 0;
}
