#define AUDIO_FLAG_NO_DOPPLER 0x2
#define AUDIO_FLAG_SPACIAL_3D 0x4
#define AUDIO_FLAG_AUTO_START 0x8
-
-/* Vorbis will ALWAYS use the maximum amount of channels it can */
-//#define AUDIO_FLAG_MONO 0x100 NOTE: This is the default, so its not used
-//#define AUDIO_FLAG_STEREO 0x200
-//#define AUDIO_FLAG_VORBIS 0x400
-//#define AUDIO_FLAG_BIRD_SYNTH 0x800
-
#define AUDIO_FLAG_FORMAT 0x1E00
enum audio_format
/* synchro */
int sync_locked;
- SDL_mutex *mux_checker,
- *mux_sync;
+ SDL_SpinLock sl_checker,
+ sl_sync;
struct audio_lfo{
u32 time, time_startframe;
}
channels[ AUDIO_CHANNELS ];
- /* System queue, and access from thread 0 */
- int debug_ui, debug_ui_3d;
+ int debug_ui, debug_ui_3d, debug_dsp;
+
+ v3f internal_listener_pos,
+ internal_listener_ears,
+ internal_listener_velocity,
- v3f listener_pos,
- listener_ears,
- listener_velocity;
+ external_listener_pos,
+ external_listener_ears,
+ external_lister_velocity;
- float volume,
- volume_target,
- volume_target_internal,
- volume_console;
+ float internal_global_volume,
+ external_global_volume;
}
-vg_audio = { .volume_console = 1.0f };
+vg_audio = { .external_global_volume = 1.0f };
#include "vg/vg_audio_dsp.h"
VG_STATIC int audio_lock_checker_load(void)
{
int value;
- SDL_LockMutex( vg_audio.mux_checker );
+ SDL_AtomicLock( &vg_audio.sl_checker );
value = vg_audio.sync_locked;
- SDL_UnlockMutex( vg_audio.mux_checker );
+ SDL_AtomicUnlock( &vg_audio.sl_checker );
return value;
}
VG_STATIC void audio_lock_checker_store( int value )
{
- SDL_LockMutex( vg_audio.mux_checker );
+ SDL_AtomicLock( &vg_audio.sl_checker );
vg_audio.sync_locked = value;
- SDL_UnlockMutex( vg_audio.mux_checker );
+ SDL_AtomicUnlock( &vg_audio.sl_checker );
}
VG_STATIC void audio_require_lock(void)
VG_STATIC void audio_lock(void)
{
- SDL_LockMutex( vg_audio.mux_sync );
+ SDL_AtomicLock( &vg_audio.sl_sync );
audio_lock_checker_store(1);
}
VG_STATIC void audio_unlock(void)
{
audio_lock_checker_store(0);
- SDL_UnlockMutex( vg_audio.mux_sync );
+ SDL_AtomicUnlock( &vg_audio.sl_sync );
}
VG_STATIC void audio_mixer_callback( void *user, u8 *stream, int frame_count );
VG_STATIC void vg_audio_init(void)
{
- vg_audio.mux_checker = SDL_CreateMutex();
- vg_audio.mux_sync = SDL_CreateMutex();
-
/* TODO: Move here? */
- vg_var_push( (struct vg_var){
- .name = "debug_audio",
- .data = &vg_audio.debug_ui,
- .data_type = k_var_dtype_i32,
- .opt_i32 = { .min=0, .max=1, .clamp=1 },
- .persistent = 1
- });
-
- vg_var_push( (struct vg_var){
- .name = "volume",
- .data = &vg_audio.volume_console,
- .data_type = k_var_dtype_f32,
- .opt_f32 = { .min=0.0f, .max=2.0f, .clamp=1 },
- .persistent = 1
- });
+ vg_console_reg_var( "debug_audio", &vg_audio.debug_ui,
+ k_var_dtype_i32, VG_VAR_CHEAT );
+ vg_console_reg_var( "debug_dsp", &vg_audio.debug_dsp,
+ k_var_dtype_i32, VG_VAR_CHEAT );
+ vg_console_reg_var( "volume", &vg_audio.external_global_volume,
+ k_var_dtype_f32, VG_VAR_PERSISTENT );
/* allocate memory */
-
/* 32mb fixed */
vg_audio.audio_pool =
vg_create_linear_allocator( vg_mem.rtmemory, 1024*1024*32,
SDL_PauseAudioDevice( vg_audio.sdl_output_device, 0 );
}
else{
- vg_fatal_exit_loop(
+ vg_fatal_error(
"SDL_OpenAudioDevice failed. Your default audio device must support:\n"
" Frequency: 44100 hz\n"
" Buffer size: 512\n"
" Channels: 2\n"
" Format: s16 or f32\n" );
}
-
- vg_success( "Ready\n" );
}
VG_STATIC void vg_audio_free(void)
if( (ch->source->flags & AUDIO_FLAG_FORMAT) == k_audio_format_bird )
strcpy( ch->name, "[array]" );
else
- strncpy( ch->name, clip->path, 31 );
+ vg_strncpy( clip->path, ch->name, 32, k_strncpy_always_add_null );
ch->allocated = 1;
ch->editble_state_write_mask = 0x00;
}
+static void audio_channel_group( audio_channel *ch, u32 group )
+{
+ ch->group = group;
+ ch->colour = ((group * 29986577) & 0x00ffffff) | 0xff000000;
+}
+
static audio_channel *audio_get_first_idle_channel(void)
{
for( int i=0; i<AUDIO_CHANNELS; i++ ){
static audio_channel *audio_get_group_idle_channel( u32 group, u32 max_count )
{
u32 count = 0;
- audio_channel *dest;
+ audio_channel *dest = NULL;
for( int i=0; i<AUDIO_CHANNELS; i++ ){
audio_channel *ch = &vg_audio.channels[i];
static void audio_channel_mix( audio_channel *ch, float *buffer )
{
- float framevol_l = 1.0f,
- framevol_r = 1.0f;
+ float framevol_l = vg_audio.internal_global_volume,
+ framevol_r = vg_audio.internal_global_volume;
float frame_samplerate = ch->_.sampling_rate;
if( ch->flags & AUDIO_FLAG_SPACIAL_3D ){
v3f delta;
- v3_sub( ch->_.spacial_falloff, vg_audio.listener_pos, delta );
+ v3_sub( ch->_.spacial_falloff, vg_audio.internal_listener_pos, delta );
float dist = v3_length( delta ),
vol = vg_maxf( 0.0f, 1.0f - ch->_.spacial_falloff[3]*dist );
}
else{
v3_muls( delta, 1.0f/dist, delta );
- float pan = v3_dot( vg_audio.listener_ears, delta );
+ float pan = v3_dot( vg_audio.internal_listener_ears, delta );
vol = powf( vol, 5.0f );
framevol_l *= (vol * 0.5f) * (1.0f - pan);
framevol_r *= (vol * 0.5f) * (1.0f + pan);
- const float vs = 323.0f;
- float doppler = (vs+v3_dot(delta,vg_audio.listener_velocity))/vs;
- doppler = vg_clampf( doppler, 0.6f, 1.4f );
-
- if( fabsf(doppler-1.0f) > 0.01f )
- frame_samplerate *= doppler;
+ if( !(ch->source->flags & AUDIO_FLAG_NO_DOPPLER) ){
+ const float vs = 323.0f;
+
+ float dv = v3_dot(delta,vg_audio.internal_listener_velocity);
+ float doppler = (vs+dv)/vs;
+ doppler = vg_clampf( doppler, 0.6f, 1.4f );
+
+ if( fabsf(doppler-1.0f) > 0.01f )
+ frame_samplerate *= doppler;
+ }
}
- if( !vg_validf( framevol_l ) ) vg_fatal_exit_loop( "NaN left channel" );
- if( !vg_validf( framevol_r ) ) vg_fatal_exit_loop( "NaN right channel" );
+ if( !vg_validf( framevol_l ) ) vg_fatal_error( "NaN left channel" );
+ if( !vg_validf( framevol_r ) ) vg_fatal_error( "NaN right channel" );
if( !vg_validf( frame_samplerate ) )
- vg_fatal_exit_loop( "NaN sample rate" );
+ vg_fatal_error( "NaN sample rate" );
}
u32 buffer_length = AUDIO_MIX_FRAME_SIZE;
const float volume_target = ch->_.volume_target;
for( u32 j=0; j<AUDIO_MIX_FRAME_SIZE; j++ ){
- /*
- * there is some REALLY weird behaviour with minss,
- * i cannot begin to guess what the cause is, but the bahaviour when
- * the second argument is not 1.0 would seemingly tripple or up to
- * eight times this routine.
- *
- * the times it would happen are when moving from empty space into areas
- * with geometry. in the bvh for skate rift.
- *
- * it should be completely unrelated to this, but somehow -- it is
- * effecting the speed of minss. and severely at that too.
- **/
-
volume_movement += 1.0f;
float movement_t = volume_movement * inv_volume_rate;
- movement_t = vg_minf( volume_movement, 1.0f );
+ movement_t = vg_minf( movement_t, 1.0f );
volume = vg_lerpf( volume_start, volume_target, movement_t );
float vol_norm = volume * volume;
* Copy data and move edit flags to commit flags
* ------------------------------------------------------------- */
audio_lock();
+
+ v3_copy( vg_audio.external_listener_pos, vg_audio.internal_listener_pos );
+ v3_copy( vg_audio.external_listener_ears, vg_audio.internal_listener_ears );
+ v3_copy( vg_audio.external_lister_velocity,
+ vg_audio.internal_listener_velocity );
+ vg_audio.internal_global_volume = vg_audio.external_global_volume;
+
for( int i=0; i<AUDIO_CHANNELS; i++ ){
audio_channel *ch = &vg_audio.channels[i];
vg_audio.samples_last = frame_count;
- if( vg_audio.debug_ui ){
+ if( vg_audio.debug_dsp ){
vg_dsp_update_texture();
}
if( format == k_audio_format_vorbis ){
if( !clip->path ){
- vg_fatal_exit_loop( "No path specified, embeded vorbis unsupported" );
+ vg_fatal_error( "No path specified, embeded vorbis unsupported" );
}
audio_lock();
audio_unlock();
if( !clip->data )
- vg_fatal_exit_loop( "Audio failed to load" );
+ vg_fatal_error( "Audio failed to load" );
float mb = (float)(clip->size) / (1024.0f*1024.0f);
vg_info( "Loaded audio clip '%s' (%.1fmb)\n", clip->path, mb );
}
else if( format == k_audio_format_stereo ){
- vg_fatal_exit_loop( "Unsupported format (Stereo uncompressed)" );
+ vg_fatal_error( "Unsupported format (Stereo uncompressed)" );
}
else if( format == k_audio_format_bird ){
if( !clip->data ){
- vg_fatal_exit_loop( "No data, external birdsynth unsupported" );
+ vg_fatal_error( "No data, external birdsynth unsupported" );
}
u32 total_size = clip->size + sizeof(struct synth_bird);
total_size = vg_align8( total_size );
if( total_size > AUDIO_DECODE_SIZE )
- vg_fatal_exit_loop( "Bird coding too long\n" );
+ vg_fatal_error( "Bird coding too long\n" );
struct synth_bird *bird = vg_linear_alloc( lin_alloc, total_size );
memcpy( &bird->settings, clip->data, clip->size );
}
else{
if( !clip->path ){
- vg_fatal_exit_loop( "No path specified, embeded mono unsupported" );
+ vg_fatal_error( "No path specified, embeded mono unsupported" );
}
vg_linear_clear( vg_mem.scratch );
if( !decoder ){
vg_error( "stb_vorbis_open_memory failed on '%s' (%d)\n",
clip->path, err );
- vg_fatal_exit_loop( "Vorbis decode error" );
+ vg_fatal_error( "Vorbis decode error" );
}
/* only mono is supported in uncompressed */
decoder, clip->data, length_samples );
if( read_samples != length_samples )
- vg_fatal_exit_loop( "Decode error" );
+ vg_fatal_error( "Decode error" );
float mb = (float)(data_size) / (1024.0f*1024.0f);
vg_info( "Loaded audio clip '%s' (%.1fmb) %u samples\n", clip->path, mb,
return;
audio_unlock();
- vg_fatal_exit_loop( "Must load audio clip before playing! \n" );
+ vg_fatal_error( "Must load audio clip before playing! \n" );
}
/*
* -----------------------------------------------------------------------
*/
+#if 0
float budget = ((double)vg_audio.samples_last / 44100.0) * 1000.0;
vg_profile_drawn( (struct vg_profile *[]){ &vg_prof_audio_decode,
&vg_prof_audio_mix,
vg_uictx.cursor[2] = 150;
vg_uictx.cursor[3] = 12;
- ui_rect view_thing = { 4, vg.window_y-512-4, 512, 512 };
- ui_push_image( view_thing, vg_dsp.view_texture );
+ if( vg_audio.debug_dsp ){
+ ui_rect view_thing = { 4, vg.window_y-512-4, 512, 512 };
+ ui_push_image( view_thing, vg_dsp.view_texture );
+ }
float mb1 = 1024.0f*1024.0f,
usage = vg_linear_get_cur( vg_audio.audio_pool ) / mb1,
v2_add( wpos, (v2f){ 0.5f, 0.5f }, wpos );
ui_rect wr;
- wr[0] = wpos[0] * vg.window_x;
- wr[1] = (1.0f-wpos[1]) * vg.window_y;
+ wr[0] = vg_clampf(wpos[0] * vg.window_x, -32000.0f,32000.0f);
+ wr[1] = vg_clampf((1.0f-wpos[1]) * vg.window_y,-32000.0f,32000.0f);
wr[2] = 100;
wr[3] = 17;
}
}
}
+#endif
audio_unlock();
}
projects / vg.git / blobdiff