#define SFX_FLAG_STEREO 0x2
#define SFX_FLAG_REPEAT 0x4
#define SFX_FLAG_GHOST 0x8
-#define FADEOUT_LENGTH 441
+#define FADEOUT_LENGTH 4410
#define FADEOUT_DIVISOR (1.f/(float)FADEOUT_LENGTH)
typedef struct sfx_vol_control sfx_vol_control;
// Source buffer start
float *source, *replacement;
+ u32 clip_start, clip_end, buffer_length;
+
// Modifiers
sfx_vol_control *vol_src;
float vol;
// Info
- int ch, end, cur, cur_lagged;
+ u32 ch, end, cur;
u32 flags;
// Effects
#define SFX_A_FLAG_AUTOSTART 0x1
#define SFX_A_FLAG_AUTOFREE 0x2
+/*
static int sfx_save( sfx_system *sys );
// Asynchronous load-to-system callback
if( !sfx_vorbis_a( strFileName, channels, sfx_vorbis_a_to_c, inf ) )
free( inf );
-}
+}*/
// 0
// ======================================================
-// Mark change to be uploaded to queue system
-static int sfx_save( sfx_system *sys )
+static int sfx_begin_edit( sfx_system *sys )
{
MUTEX_LOCK( sfx_mux_t01 );
-
+
if( sfx_q_len >= SFX_MAX_SYSTEMS )
{
- vg_error( "Warning: No free space in sound queue\n" );
-
MUTEX_UNLOCK( sfx_mux_t01 );
+ vg_warn( "Warning: No free space in sound queue\n" );
return 0;
}
+ return 1;
+}
+
+// Mark change to be uploaded to queue system
+static int sfx_save( sfx_system *sys )
+{
// Mark change in queue
sfx_q[ sfx_q_len ++ ] = sys;
sfx_system *clone;
// This is a 'new' sound if thread_clone not set.
- if( !src->thread_clone || src->flags & SFX_FLAG_ONESHOT )
+ if( !src->thread_clone || (src->flags & SFX_FLAG_ONESHOT) )
{
- src->thread_clone = sfx_alloc();
- if( !src->thread_clone )
+ clone = sfx_alloc();
+ if( !clone )
break;
+
+ src->thread_clone = clone;
}
else
{
- // Modifying an active system spawns a small fadeout ghost system
- sfx_system *ghost_system = sfx_alloc();
-
- if( !ghost_system )
- break;
-
- ghost_system->source = src->source;
- ghost_system->ch = src->ch;
- ghost_system->end = src->end;
- ghost_system->cur = src->cur_lagged;
- ghost_system->flags = SFX_FLAG_GHOST;
- ghost_system->fadeout = FADEOUT_LENGTH;
- ghost_system->fadeout_current = FADEOUT_LENGTH;
- ghost_system->vol_src = src->vol_src;
- ghost_system->name = src->name;
- ghost_system->thread_clone = src;
- }
+ clone = src->thread_clone;
- clone = src->thread_clone;
+ // Modifying an active system's cursor spawns a small fadeout ghost system
+ if( clone->cur != src->cur )
+ {
+ sfx_system *ghost_system = sfx_alloc();
+
+ if( !ghost_system )
+ break;
+
+ ghost_system->source = clone->source;
+ ghost_system->ch = clone->ch;
+ ghost_system->end = clone->end;
+ ghost_system->cur = clone->cur;
+ ghost_system->flags = SFX_FLAG_GHOST;
+ ghost_system->fadeout = FADEOUT_LENGTH;
+ ghost_system->fadeout_current = FADEOUT_LENGTH;
+ ghost_system->vol_src = clone->vol_src;
+ ghost_system->name = clone->name;
+ ghost_system->thread_clone = src;
+ }
+ }
// run replacement routine if one is waiting (todo: what is this?)
if( src->replacement )
{
sfx_system *sys = sfx_sys + i;
- u32 cursor = sys->cur, buffer_pos = 0;
-
+ u32 cursor = sys->cur, buffer_pos = 0;
float avgvol = 0.f;
float pcf[2] = { 0.f, 0.0f };
while( frames_write )
{
- u32 samples_this_run = vg_min( frames_write, sys->end - cursor );
+ u32 samples_this_run = VG_MIN( frames_write, sys->end - cursor );
if( sys->fadeout )
{
break;
}
- samples_this_run = vg_min( samples_this_run, sys->fadeout_current );
+ samples_this_run = VG_MIN( samples_this_run, sys->fadeout_current );
}
for( u32 j = 0; j < samples_this_run; j ++ )
vol *= (float)sys->fadeout_current * fadeout_divisor;
sys->fadeout_current --;
}
+
+ if( buffer_pos >= frameCount )
+ {
+ break;
+ }
pOut32F[ buffer_pos*2+0 ] += pcf[0] * vol;
pOut32F[ buffer_pos*2+1 ] += pcf[1] * vol;
-
+
avgvol += fabs( pcf[0] * vol );
avgvol += fabs( pcf[1] * vol );
}
sys->cur = cursor;
- sys->cur_lagged = cursor;
sys->signal_average = avgvol / (float)(buffer_pos*2);
break;
// Redistribute sound systems
MUTEX_LOCK( sfx_mux_t01 );
-
- unsigned int idx = 0, wr = 0;
+
+ u32 idx = 0, wr = 0;
while( idx != sfx_sys_len )
{
sfx_system *src = sfx_sys + idx;
-
+
// Keep only if cursor is before end or repeating
if( src->cur < src->end || (src->flags & SFX_FLAG_REPEAT) )
{
// Correct source pointer on persisitent originals since we shifted ID's
- if( !(src->flags & SFX_FLAG_ONESHOT) )
+ if( !(src->flags & (SFX_FLAG_ONESHOT|SFX_FLAG_GHOST)) )
+ {
src->thread_clone->thread_clone = sfx_sys + wr;
+ }
sfx_sys[ wr ++ ] = sfx_sys[ idx ];
}
else
{
// Clear link on persistent sources (done playing)
- if( !(src->flags & SFX_FLAG_ONESHOT) )
+ if( !(src->flags & (SFX_FLAG_ONESHOT|SFX_FLAG_GHOST)) )
src->thread_clone->thread_clone = NULL;
}
int pick = (rand() % (max_id-min_id)) + min_id;
- sys->fadeout = 0;
- sys->source = source->main;
- sys->cur = source->segments[ pick*2 + 0 ];
- sys->end = source->segments[ pick*2 + 1 ];
- sys->ch = source->ch;
-
- sfx_save( sys );
+ if( sfx_begin_edit( sys ) )
+ {
+ sys->fadeout = 0;
+ sys->source = source->main;
+ sys->cur = source->segments[ pick*2 + 0 ];
+ sys->end = source->segments[ pick*2 + 1 ];
+ sys->ch = source->ch;
+
+ // Diagnostics
+ sys->clip_start = sys->cur;
+ sys->clip_end = sys->end;
+ sys->buffer_length = source->segments[ (source->numsegments-1)*2 + 1 ];
+
+ sfx_save( sys );
+ }
}
static void sfx_system_fadeout( sfx_system *sys, u32 length_samples )
{
- sys->fadeout_current = length_samples;
- sys->fadeout = length_samples;
-
- sfx_save( sys );
+ if( sfx_begin_edit( sys ) )
+ {
+ if( sys->end )
+ {
+ sys->fadeout_current = length_samples;
+ sys->fadeout = length_samples;
+
+ if( sys->thread_clone )
+ sys->cur = sys->thread_clone->cur;
+
+ sfx_save( sys );
+ }
+ else
+ {
+ // Sound was not initialized
+ MUTEX_UNLOCK( sfx_mux_t01 );
+ }
+ }
}
// Free set resources