+++ /dev/null
-/* Copyright (C) 2021-2022 Harry Godden (hgn) - All Rights Reserved */
-
-#ifndef VG_AUDIO_H
-#define VG_AUDIO_H
-
-#define MA_NO_GENERATION
-#define MA_NO_DECODING
-#define MA_NO_ENCODING
-#define MA_NO_WAV
-#define MA_NO_FLAC
-#define MA_NO_MP3
-#define MA_NO_ENGINE
-#define MA_NO_NODE_GRAPH
-#define MA_NO_RESOURCE_MANAGER
-
-#include "dr_soft/miniaudio.h"
-
-
-#include "vg/vg.h"
-#include "vg/vg_stdint.h"
-#include "vg/vg_platform.h"
-#include "vg/vg_io.h"
-#include "vg/vg_m.h"
-#include "vg/vg_ui.h"
-#include "vg/vg_console.h"
-#include "vg/vg_store.h"
-
-#include <time.h>
-
-#ifdef __GNUC__
- #pragma GCC push_options
- #pragma GCC optimize ("O3")
-#endif
-
-#define STB_VORBIS_MAX_CHANNELS 2
-#include "stb/stb_vorbis.h"
-
-#ifdef __GNUC__
- #pragma GCC pop_options
-#endif
-
-#define SFX_MAX_SYSTEMS 32
-#define AUDIO_FLAG_LOOP 0x1
-#define AUDIO_FLAG_ONESHOT 0x2
-#define AUDIO_FLAG_SPACIAL_3D 0x4
-
-#define FADEOUT_LENGTH 1100
-#define FADEOUT_DIVISOR (1.0f/(float)FADEOUT_LENGTH)
-
-#define AUDIO_DECODE_SIZE (1024*256) /* 256 kb decoding buffers */
-
-enum audio_source_mode
-{
- k_audio_source_mono,
- k_audio_source_compressed,
-};
-
-typedef struct audio_clip audio_clip;
-struct audio_clip
-{
- const char *path;
- enum audio_source_mode source_mode;
-
- /* result */
- void *data;
- u32 len; /* decompressed: sample count,
- compressed: file size */
-};
-
-typedef struct audio_mix_info audio_mix_info;
-struct audio_mix_info
-{
- audio_clip *source;
- v3f world_position;
-
- float vol, pan;
- u32 flags;
-};
-
-typedef struct audio_player audio_player;
-struct audio_player
-{
- aatree_ptr active_entity; /* non-nil if currently playing */
- audio_mix_info info;
- int enqued, init;
-
- /* Diagnostic */
- const char *name;
-};
-
-typedef struct audio_entity audio_entity;
-struct audio_entity
-{
- audio_player *player;
- audio_mix_info info;
-
- u32 length, cur;
-
- /* Effects */
- u32 fadeout, fadeout_current;
- const char *name;
-};
-
-/*
- * TODO list sunday
- *
- * play again: if already playing, leave in queue while it fadeouts
- * oneshot: create a ghost entity
- *
- */
-
-static struct vg_audio_system
-{
- ma_device miniaudio_device;
- ma_device_config miniaudio_dconfig;
-
- void *mem, *decode_mem;
- u32 mem_current,
- mem_total;
-
- /* synchro */
- int sync_locked;
-
- vg_mutex mux_checker,
- mux_sync;
-
- /* Audio engine, thread 1 */
- struct active_audio_player
- {
- int active;
- union
- {
- audio_entity ent;
- aatree_pool_node pool_node;
- };
-
- stb_vorbis *vorbis_handle;
- stb_vorbis_alloc vorbis_alloc;
- }
- active_players[ SFX_MAX_SYSTEMS ];
-
- aatree active_pool_info; /* note: just using the pool */
- aatree_ptr active_pool_head;
-
- /* System queue, and access from thread 0 */
- audio_entity entity_queue[SFX_MAX_SYSTEMS];
- int queue_len;
-
- char performance_info[128],
- performance_sub0[64],
- performance_sub1[64];
-
- int debug_ui;
-
- v3f listener_pos,
- listener_ears;
-
- double perf_ms_decode,
- perf_ms_mix;
-
- u32 perf_measurements;
-}
-vg_audio;
-
-static void *audio_alloc( u32 size )
-{
- u32 new_current = vg_audio.mem_current + size;
- if( new_current > vg_audio.mem_total )
- {
- vg_error( "audio pool over budget!\n" );
- free( vg_audio.mem );
- return NULL;
- }
-
- void *ptr = vg_audio.mem + vg_audio.mem_current;
- vg_audio.mem_current = new_current;
-
- return ptr;
-}
-
-
-/*
- * These functions are called from the main thread and used to prevent bad
- * access. TODO: They should be no-ops in release builds.
- */
-static int audio_lock_checker_load(void)
-{
- int value;
- vg_mutex_lock( &vg_audio.mux_checker );
- value = vg_audio.sync_locked;
- vg_mutex_unlock( &vg_audio.mux_checker );
- return value;
-}
-
-static void audio_lock_checker_store( int value )
-{
- vg_mutex_lock( &vg_audio.mux_checker );
- vg_audio.sync_locked = value;
- vg_mutex_unlock( &vg_audio.mux_checker );
-}
-
-static void audio_require_lock(void)
-{
- if( audio_lock_checker_load() )
- return;
-
- vg_error( "Modifying sound effects systems requires locking\n" );
- abort();
-}
-
-static void audio_lock(void)
-{
- vg_mutex_lock( &vg_audio.mux_sync );
- audio_lock_checker_store(1);
-}
-
-static void audio_unlock(void)
-{
- audio_lock_checker_store(0);
- vg_mutex_unlock( &vg_audio.mux_sync );
-}
-
-
-static void audio_mixer_callback( ma_device *pDevice, void *pOutBuf,
- const void *pInput, ma_uint32 frameCount );
-
-static int vg_audio_init(void)
-{
- vg_mutex_init( &vg_audio.mux_checker );
- vg_mutex_init( &vg_audio.mux_sync );
-
- vg_convar_push( (struct vg_convar){
- .name = "debug_audio",
- .data = &vg_audio.debug_ui,
- .data_type = k_convar_dtype_i32,
- .opt_i32 = { .min=0, .max=1, .clamp=1 },
- .persistent = 1
- });
-
- u32 decode_region = AUDIO_DECODE_SIZE * SFX_MAX_SYSTEMS;
- vg_audio.mem_total = 1024*1024*32;
- vg_audio.mem_current = 0;
- vg_audio.mem = malloc( vg_audio.mem_total + decode_region );
- vg_audio.decode_mem = &((u8 *)vg_audio.mem)[vg_audio.mem_total];
-
- /* setup pool */
- vg_audio.active_pool_info.base = vg_audio.active_players;
- vg_audio.active_pool_info.offset = offsetof(struct active_audio_player,
- pool_node );
- vg_audio.active_pool_info.stride = sizeof(struct active_audio_player);
- vg_audio.active_pool_info.p_cmp = NULL;
- aatree_init_pool( &vg_audio.active_pool_info, SFX_MAX_SYSTEMS );
-
- ma_device_config *dconf = &vg_audio.miniaudio_dconfig;
- ma_device *device = &vg_audio.miniaudio_device;
-
- *dconf = ma_device_config_init( ma_device_type_playback );
- dconf->playback.format = ma_format_f32;
- dconf->playback.channels = 2;
- dconf->sampleRate = 44100;
- dconf->dataCallback = audio_mixer_callback;
- dconf->periodSizeInFrames = 441;
-
- dconf->pUserData = NULL;
-
- vg_info( "Starting audio engine\n" );
-
- if( ma_device_init( NULL, dconf, device) != MA_SUCCESS )
- {
- vg_error( "ma_device failed to initialize" );
- return 0;
- }
- else
- {
- if( ma_device_start( device ) != MA_SUCCESS )
- {
- ma_device_uninit( device );
- vg_error( "ma_device failed to start" );
- return 0;
- }
- }
-
- vg_success( "Ready\n" );
- return 1;
-}
-
-static void vg_audio_free(void * nothing)
-{
- ma_device *device = &vg_audio.miniaudio_device;
- ma_device_uninit( device );
-
- free( vg_audio.mem );
-
- vg_mutex_free( &vg_audio.mux_checker );
- vg_mutex_free( &vg_audio.mux_sync );
-}
-
-/*
- * thread 1
- */
-
-static aatree_ptr audio_alloc_entity_internal(void)
-{
- aatree_ptr playerid = aatree_pool_alloc( &vg_audio.active_pool_info,
- &vg_audio.active_pool_head );
-
- if( playerid == AATREE_PTR_NIL )
- return AATREE_PTR_NIL;
-
- struct active_audio_player *aap = &vg_audio.active_players[ playerid ];
- aap->active = 1;
-
- return playerid;
-}
-
-static void audio_entity_free_internal( aatree_ptr id )
-{
- struct active_audio_player *aap = &vg_audio.active_players[ id ];
- aap->active = 0;
-
- /* Notify player that we've finished */
- if( aap->ent.player )
- aap->ent.player->active_entity = AATREE_PTR_NIL;
-
- /* delete */
- aatree_pool_free( &vg_audio.active_pool_info, id,
- &vg_audio.active_pool_head );
-}
-
-static void *audio_entity_vorbis_ptr( aatree_ptr entid )
-{
- u8 *buf = (u8*)vg_audio.decode_mem,
- *loc = &buf[AUDIO_DECODE_SIZE*entid];
-
- return (void *)loc;
-}
-
-static void audio_entity_start( audio_entity *src )
-{
- aatree_ptr entid = audio_alloc_entity_internal();
- if( entid == AATREE_PTR_NIL )
- return;
-
- audio_entity *ent = &vg_audio.active_players[ entid ].ent;
-
- ent->info = src->info;
- ent->name = src->info.source->path;
- ent->cur = 0;
- ent->player = src->player;
-
- ent->fadeout = 0;
- ent->fadeout_current = 0;
-
- /* Notify main player we are dequeud and playing */
- if( src->player )
- {
- src->player->enqued = 0;
- src->player->active_entity = entid;
- }
-
- if( src->info.source->source_mode == k_audio_source_compressed )
- {
- /* Setup vorbis decoder */
- struct active_audio_player *aap = &vg_audio.active_players[ entid ];
-
- stb_vorbis_alloc alloc = {
- .alloc_buffer = (char *)audio_entity_vorbis_ptr( entid ),
- .alloc_buffer_length_in_bytes = AUDIO_DECODE_SIZE
- };
-
- int err;
- stb_vorbis *decoder = stb_vorbis_open_memory(
- src->info.source->data, src->info.source->len, &err, &alloc );
-
- if( !decoder )
- {
- vg_error( "stb_vorbis_open_memory failed on '%s' (%d)\n",
- src->info.source->path, err );
-
- audio_entity_free_internal( entid );
- return;
- }
- else
- {
- ent->length = stb_vorbis_stream_length_in_samples( decoder );
- }
-
- aap->vorbis_handle = decoder;
- }
- else
- {
- ent->length = src->info.source->len;
- }
-}
-
-/*
- * Read everything from the queue
- */
-static void audio_system_enque(void)
-{
- /* Process incoming sound queue */
- audio_lock();
-
- int wr = 0;
- for( int i=0; i<vg_audio.queue_len; i++ )
- {
- audio_entity *src = &vg_audio.entity_queue[ i ];
-
- if( src->player )
- {
- /* Start new */
- if( src->player->active_entity == AATREE_PTR_NIL )
- {
- audio_entity_start( src );
- }
- else
- {
- /* Otherwise try start fadeout but dont remove from queue */
-
- aatree_ptr entid = src->player->active_entity;
- audio_entity *ent = &vg_audio.active_players[ entid ].ent;
- if( !ent->fadeout )
- {
- ent->fadeout = FADEOUT_LENGTH;
- ent->fadeout_current = FADEOUT_LENGTH;
- }
-
- vg_audio.entity_queue[ wr ++ ] = *src;
- }
- }
- else
- {
- audio_entity_start( src );
- }
- }
-
- vg_audio.queue_len = wr;
-
- /* Localize others memory */
- for( int i=0; i<SFX_MAX_SYSTEMS; i ++ )
- {
- struct active_audio_player *aap = &vg_audio.active_players[i];
- if( !aap->active )
- continue;
-
- if( aap->ent.player )
- {
- /* Only copy information in whilst not requeing */
- if( aap->ent.player->enqued == 0 )
- {
- aap->ent.info = aap->ent.player->info;
- }
- }
- }
-
- audio_unlock();
-}
-
-/*
- * Redistribute sound systems
- */
-static void audio_system_cleanup(void)
-{
- audio_lock();
-
- for( int i=0; i<SFX_MAX_SYSTEMS; i ++ )
- {
- struct active_audio_player *aap = &vg_audio.active_players[i];
- if( aap->active )
- {
- audio_entity *src = &aap->ent;
- if( src->cur < src->length || (src->info.flags & AUDIO_FLAG_LOOP ))
- {
- /* Good to keep */
- }
- else
- {
- audio_entity_free_internal( i );
- }
- }
- }
-
- audio_unlock();
-}
-
-/*
- * Get effective volume and pan from this entity
- */
-static void audio_entity_spacialize( audio_entity *ent, float *vol, float *pan )
-{
- if( ent->info.vol < 0.01f )
- {
- *vol = ent->info.vol;
- *pan = 0.0f;
- return;
- }
-
- v3f delta;
- v3_sub( ent->info.world_position, vg_audio.listener_pos, delta );
-
- float dist2 = v3_length2( delta );
-
- if( dist2 < 0.0001f )
- {
- *pan = 0.0f;
- *vol = 1.0f;
- }
- else
- {
- float dist = sqrtf( dist2 ),
- attn = (dist / ent->info.vol) +1.0f;
-
- v3_muls( delta, 1.0f/dist, delta );
- *pan = v3_dot( vg_audio.listener_ears, delta );
- *vol = 1.0f/(attn*attn);
- }
-}
-
-static void audio_decode_uncompressed_mono( float *src, u32 count, float *dst )
-{
- for( u32 i=0; i<count; i++ )
- {
- dst[ i*2 + 0 ] = src[i];
- dst[ i*2 + 1 ] = src[i];
- }
-}
-
-/*
- * adapted from stb_vorbis.h, since the original does not handle mono->stereo
- */
-static int
-stb_vorbis_get_samples_float_interleaved_stereo( stb_vorbis *f, float *buffer,
- int len )
-{
- int n = 0,
- c = VG_MIN( 1, f->channels - 1 );
-
- while( n < len )
- {
- int k = f->channel_buffer_end - f->channel_buffer_start;
-
- if( n+k >= len )
- k = len - n;
-
- for( int j=0; j < k; ++j )
- {
- *buffer++ = f->channel_buffers[ 0 ][f->channel_buffer_start+j];
- *buffer++ = f->channel_buffers[ c ][f->channel_buffer_start+j];
- }
-
- n += k;
- f->channel_buffer_start += k;
-
- if( n == len )
- break;
-
- if( !stb_vorbis_get_frame_float( f, NULL, NULL ))
- break;
- }
-
- return n;
-}
-
-static void audio_entity_get_samples( aatree_ptr id, u32 count, float *buf )
-{
- struct timespec time_start, time_end;
- clock_gettime( CLOCK_REALTIME, &time_start );
-
- struct active_audio_player *aap = &vg_audio.active_players[id];
- audio_entity *ent = &aap->ent;
-
- u32 remaining = count;
- u32 cursor = ent->cur;
- u32 buffer_pos = 0;
-
- while( remaining )
- {
- u32 samples_this_run = VG_MIN( remaining, ent->length - cursor );
- remaining -= samples_this_run;
-
- float *dst = &buf[ buffer_pos * 2 ];
-
- int source_mode = ent->info.source->source_mode;
-
- if( source_mode == k_audio_source_mono )
- {
- float *src = &((float *)ent->info.source->data)[ cursor ];
- audio_decode_uncompressed_mono( src, samples_this_run, dst );
- }
- else if( source_mode == k_audio_source_compressed )
- {
- int read_samples = stb_vorbis_get_samples_float_interleaved_stereo(
- aap->vorbis_handle,
- dst,
- samples_this_run );
-
- if( read_samples != samples_this_run )
- {
- vg_warn( "Invalid samples read (%s)\n", ent->info.source->path );
- }
- }
-
- cursor += samples_this_run;
- buffer_pos += samples_this_run;
-
- if( (ent->info.flags & AUDIO_FLAG_LOOP) && remaining )
- {
- if( source_mode == k_audio_source_compressed )
- {
- stb_vorbis_seek_start( aap->vorbis_handle );
- }
-
- cursor = 0;
- continue;
- }
- else
- break;
- }
-
- while( remaining )
- {
- buf[ buffer_pos*2 + 0 ] = 0.0f;
- buf[ buffer_pos*2 + 1 ] = 0.0f;
- buffer_pos ++;
-
- remaining --;
- }
-
- ent->cur = cursor;
-
- clock_gettime( CLOCK_REALTIME, &time_end );
- vg_audio.perf_ms_decode += vg_time_diff( time_start, time_end );
-}
-
-static void audio_entity_mix( aatree_ptr id, float *buffer,
- u32 frame_count )
-{
- audio_entity *ent = &vg_audio.active_players[id].ent;
-
- u32 cursor = ent->cur, buffer_pos = 0;
- float *pcf = alloca( frame_count * 2 * sizeof(float) );
-
- u32 frames_write = frame_count;
- float fadeout_divisor = 1.0f / (float)ent->fadeout;
-
- float vol = ent->info.vol,
- pan = ent->info.pan;
-
- audio_entity_get_samples( id, frame_count, pcf );
-
- struct timespec time_start, time_end;
- clock_gettime( CLOCK_REALTIME, &time_start );
-
- if( ent->info.flags & AUDIO_FLAG_SPACIAL_3D )
- audio_entity_spacialize( ent, &vol, &pan );
-
- for( u32 j=0; j<frame_count; j++ )
- {
- float frame_vol = vol;
-
- if( ent->fadeout )
- {
- /* Force this system to be removed now */
- if( ent->fadeout_current == 0 )
- {
- ent->info.flags = 0x00;
- ent->cur = ent->length;
- break;
- }
-
- frame_vol *= (float)ent->fadeout_current * fadeout_divisor;
- ent->fadeout_current --;
- }
-
- float sl = 1.0f-pan,
- sr = 1.0f+pan;
-
- buffer[ buffer_pos*2+0 ] += pcf[ buffer_pos*2+0 ] * frame_vol * sl;
- buffer[ buffer_pos*2+1 ] += pcf[ buffer_pos*2+1 ] * frame_vol * sr;
-
- buffer_pos ++;
- }
-
- clock_gettime( CLOCK_REALTIME, &time_end );
- vg_audio.perf_ms_mix += vg_time_diff( time_start, time_end );
-}
-
-/*
- * callback from miniaudio.h interface
- */
-static void audio_mixer_callback( ma_device *pDevice, void *pOutBuf,
- const void *pInput, ma_uint32 frame_count )
-{
- struct timespec time_start, time_end;
- clock_gettime( CLOCK_REALTIME, &time_start );
-
- audio_system_enque();
-
- /* Clear buffer */
- float *pOut32F = (float *)pOutBuf;
- for( int i=0; i<frame_count*2; i ++ )
- pOut32F[i] = 0.0f;
-
- /* Mix all sounds */
- for( int i=0; i<SFX_MAX_SYSTEMS; i ++ )
- {
- struct active_audio_player *aap = &vg_audio.active_players[i];
-
- if( aap->active )
- {
- audio_entity_mix( i, pOut32F, frame_count );
- }
- }
-
-#if 0
- vg_sleep_ms( 20 );
-#endif
-
- /* redistribute */
- audio_system_cleanup();
-
- /* TODO: what the hell is this? */
- (void)pInput;
-
- /*
- * Debug information
- */
- clock_gettime( CLOCK_REALTIME, &time_end );
-
- double elapsed = vg_time_diff( time_start, time_end ),
- budget = ((double)frame_count / 44100.0) * 1000.0,
- percent = (elapsed/budget) * 100.0;
-
- snprintf( vg_audio.performance_info, 127,
- "%.2fms/%.2fms (%.1f%%) (%u frames)",
- elapsed, budget, percent, frame_count );
-
- vg_audio.perf_measurements ++;
- if( vg_audio.perf_measurements >= 30 )
- {
- double ms_decode = vg_audio.perf_ms_decode * (1.0/30.0),
- ms_mix = vg_audio.perf_ms_mix * (1.0/30.0);
-
- snprintf( vg_audio.performance_sub0, 63, "Decode %.2fms", ms_decode );
- snprintf( vg_audio.performance_sub1, 63, "mix %.2fms", ms_mix );
-
- vg_audio.perf_ms_decode = 0.0;
- vg_audio.perf_ms_mix = 0.0;
-
- vg_audio.perf_measurements = 0;
- }
-}
-
-/* Decompress entire vorbis stream into buffer */
-static float *audio_decompress_vorbis( const unsigned char *data, int len,
- int channels, u32 *samples )
-{
- int err;
- stb_vorbis *pv = stb_vorbis_open_memory( data, len, &err, NULL );
-
- if( !pv )
- {
- vg_error( "stb_vorbis_open_memory() failed with error code: %i\n", err );
- return NULL;
- }
-
- u32 length_samples = stb_vorbis_stream_length_in_samples( pv );
-
- vg_info( "decompress_vorbis: %u samples (%.2fs), %.1fkb\n",
- length_samples,
- (float)length_samples / (44100.0f*(float)channels),
- (float)(length_samples*4*channels) / 1024.0f );
-
- float *buffer = audio_alloc( length_samples * channels * sizeof(float) );
- if( !buffer )
- {
- stb_vorbis_close( pv );
- vg_error( "Failed to allocated memory for audio\n" );
- return NULL;
- }
-
- int read_samples = stb_vorbis_get_samples_float_interleaved(
- pv, channels, buffer, length_samples * channels );
-
- if( read_samples != length_samples )
- {
- vg_warn( "| warning: sample count mismatch. Expected %u got %i\n",
- length_samples, read_samples );
- length_samples = read_samples;
- }
-
- stb_vorbis_close( pv );
- *samples = length_samples;
- return buffer;
-}
-
-static int audio_clip_load( audio_clip *clip )
-{
- /* Load and decompress */
- i64 file_len;
- void *filedata = vg_asset_read_s( clip->path, &file_len );
-
- if( !filedata )
- {
- vg_error( "OGG load failed (%s)\n", clip->path );
- return 0;
- }
-
- if( clip->source_mode == k_audio_source_mono )
- {
- u32 samples = 0;
- float *sound = audio_decompress_vorbis( filedata, file_len, 1, &samples );
- clip->data = sound;
- clip->len = samples;
-
- float seconds = (float)samples / 44100.0f,
- mb = (float)(samples*4) / (1024.0f*1024.0f);
-
- vg_info( "Loaded audio clip[mono] '%s' (%.1fs, %.1fmb)\n",
- clip->path, seconds, mb );
- }
- else if( clip->source_mode == k_audio_source_compressed )
- {
- void *data = audio_alloc( file_len );
- memcpy( data, filedata, file_len );
-
- clip->data = data;
- clip->len = file_len;
-
- float mb = (float)(file_len) / (1024.0f*1024.0f);
- vg_info( "Loaded audio clip[compressed] '%s' (%.1fmb)\n",
- clip->path, mb );
- }
- else
- {
- /* ... */
-
- clip->data = NULL;
- clip->len = 0;
-
- vg_error( "Unkown source mode (%u)\n", clip->source_mode );
- return 0;
- }
-
- return 1;
-}
-
-static void audio_clip_loadn( audio_clip *arr, int count )
-{
- for( int i=0; i<count; i++ )
- audio_clip_load( &arr[i] );
-}
-
-/* Mark change to be uploaded through queue system */
-static void audio_player_commit( audio_player *sys )
-{
- audio_require_lock();
-
- if( vg_audio.queue_len >= vg_list_size( vg_audio.entity_queue ) )
- {
- vg_warn( "Audio commit queue full\n" );
- return;
- }
-
- if( sys->enqued )
- {
- vg_warn( "Audio commit spamming; already enqued (%s)\n", sys->name );
- return;
- }
-
- sys->enqued = 1;
- audio_entity *ent = &vg_audio.entity_queue[ vg_audio.queue_len ++ ];
- ent->info = sys->info;
- ent->player = sys;
-}
-
-static void audio_require_init( audio_player *player )
-{
- if( player->init )
- return;
-
- vg_error( "Must init before playing! (%s)\n", player->name );
- abort();
-}
-
-/* Play a clip using player. If its already playing something, it will
- * fadeout quickly and start the next sound */
-static void audio_player_playclip( audio_player *player, audio_clip *clip )
-{
- audio_require_lock();
- audio_require_init( player );
-
- player->info.source = clip;
- audio_player_commit( player );
-}
-
-#if 0
-static void audio_player_playoneshot( audio_player *player, audio_clip *clip )
-{
- audio_require_lock();
- audio_require_init( player );
-}
-#endif
-
-static void audio_play_oneshot( audio_clip *clip, float volume )
-{
- audio_require_lock();
-
- if( vg_audio.queue_len >= vg_list_size( vg_audio.entity_queue ) )
- {
- vg_warn( "Audio commit queue full\n" );
- return;
- }
-
- audio_entity *ent = &vg_audio.entity_queue[ vg_audio.queue_len ++ ];
-
- ent->info.flags = AUDIO_FLAG_ONESHOT;
- ent->info.pan = 0.0f;
- ent->info.source = clip;
- ent->info.vol = volume;
- ent->player = NULL;
-}
-
-static void audio_player_init( audio_player *player )
-{
- player->active_entity = AATREE_PTR_NIL;
- player->init = 1;
-}
-
-/*
- * Effects
- */
-
-/*
- * Safety enforced Get/set attributes
- */
-
-static int audio_player_is_playing( audio_player *sys )
-{
- audio_require_lock();
-
- if( sys->active_entity != AATREE_PTR_NIL )
- return 1;
- else
- return 0;
-}
-
-static void audio_player_set_position( audio_player *sys, v3f pos )
-{
- audio_require_lock();
- v3_copy( pos, sys->info.world_position );
-}
-
-static void audio_player_set_vol( audio_player *sys, float vol )
-{
- audio_require_lock();
- sys->info.vol = vol;
-}
-
-static float audio_player_get_vol( audio_player *sys )
-{
- audio_require_lock();
- return sys->info.vol;
-}
-
-static void audio_player_set_pan( audio_player *sys, float pan )
-{
- audio_require_lock();
- sys->info.pan = pan;
-}
-
-static float audio_player_get_pan( audio_player *sys )
-{
- audio_require_lock();
- return sys->info.pan;
-}
-
-static void audio_player_set_flags( audio_player *sys, u32 flags )
-{
- audio_require_lock();
- sys->info.flags = flags;
-}
-
-static u32 audio_player_get_flags( audio_player *sys )
-{
- audio_require_lock();
- return sys->info.flags;
-}
-
-
-/*
- * Debugging
- */
-
-static void audio_debug_ui( m4x4f mtx_pv )
-{
- if( !vg_audio.debug_ui )
- return;
-
- /* Get data */
- struct sound_info
- {
- const char *name;
- u32 cursor, flags, length;
- v3f pos;
- float vol;
- }
- infos[ SFX_MAX_SYSTEMS ];
- int num_systems = 0;
-
- char perf[128],
- psub0[64],
- psub1[64];
-
- audio_lock();
-
- for( int i=0; i<SFX_MAX_SYSTEMS; i ++ )
- {
- struct active_audio_player *aap = &vg_audio.active_players[i];
-
- if( !aap->active )
- continue;
-
- audio_entity *ent = &aap->ent;
- struct sound_info *snd = &infos[ num_systems ++ ];
-
- snd->name = ent->name;
- snd->cursor = ent->cur;
- snd->flags = ent->info.flags;
- snd->length = ent->length;
- snd->vol = ent->info.vol*100.0f;
- v3_copy( ent->info.world_position, snd->pos );
- }
- strcpy( perf, vg_audio.performance_info );
- strcpy( psub0, vg_audio.performance_sub0 );
- strcpy( psub1, vg_audio.performance_sub1 );
-
- audio_unlock();
-
- /* Draw UI */
- ui_global_ctx.cursor[0] = 10;
- ui_global_ctx.cursor[1] = 10;
- ui_global_ctx.cursor[2] = 150;
- ui_global_ctx.cursor[3] = 12;
-
- ui_text( &ui_global_ctx, ui_global_ctx.cursor, perf, 1, 0 );
- ui_global_ctx.cursor[1] += 20;
-
- ui_text( &ui_global_ctx, ui_global_ctx.cursor, psub0, 1, 0 );
- ui_global_ctx.cursor[1] += 20;
-
- ui_text( &ui_global_ctx, ui_global_ctx.cursor, psub1, 1, 0 );
- ui_global_ctx.cursor[1] += 20;
-
- float usage = (float)vg_audio.mem_current / (1024.0f*1024.0f),
- total = (float)vg_audio.mem_total / (1024.0f*1024.0f),
- percent = (usage/total) * 100.0f;
- snprintf( perf, 127, "Mem: %.1f/%.1fmb (%.1f%%)\n", usage, total, percent );
-
- ui_text( &ui_global_ctx, ui_global_ctx.cursor, perf, 1, 0 );
- ui_global_ctx.cursor[1] += 20;
-
- ui_rect overlap_buffer[ SFX_MAX_SYSTEMS ];
- u32 overlap_length = 0;
-
- /* Draw audio stack */
- for( int i=0; i<num_systems; i ++ )
- {
- struct sound_info *inf = &infos[i];
-
- ui_global_ctx.cursor[2] = 200;
- ui_global_ctx.cursor[3] = 18;
-
- u32 alpha = 0xa0000000;
-
- ui_new_node( &ui_global_ctx );
- {
- ui_fill_rect( &ui_global_ctx, ui_global_ctx.cursor, 0x00333333|alpha );
-
- ui_px baseline = ui_global_ctx.cursor[0],
- w = 200,
- c = baseline + ((float)inf->cursor / (float)inf->length) * w;
-
- /* cursor */
- ui_global_ctx.cursor[2] = 2;
- ui_global_ctx.cursor[0] = c;
- ui_fill_rect( &ui_global_ctx, ui_global_ctx.cursor, 0xffffffff );
-
- ui_global_ctx.cursor[0] = baseline + 2;
- ui_global_ctx.cursor[1] += 2;
- snprintf( perf, 127, "%s %.1f%%", infos[i].name, infos[i].vol );
- ui_text( &ui_global_ctx, ui_global_ctx.cursor, perf, 1, 0 );
-
- if( inf->flags & AUDIO_FLAG_SPACIAL_3D )
- {
- v4f wpos;
- v3_copy( inf->pos, wpos );
- wpos[3] = 1.0f;
- m4x4_mulv( mtx_pv, wpos, wpos );
-
- if( wpos[3] < 0.0f )
- goto projected_behind;
-
- v2_muls( wpos, (1.0f/wpos[3]) * 0.5f, wpos );
- 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[2] = 100;
- wr[3] = 17;
-
- for( int j=0; j<12; j++ )
- {
- int collide = 0;
- for( int k=0; k<overlap_length; k++ )
- {
- ui_px *wk = overlap_buffer[k];
- if( ((wr[0] <= wk[0]+wk[2]) && (wr[0]+wr[2] >= wk[0])) &&
- ((wr[1] <= wk[1]+wk[3]) && (wr[1]+wr[3] >= wk[1])) )
- {
- collide = 1;
- break;
- }
- }
-
- if( !collide )
- break;
- else
- wr[1] += 18;
- }
-
- ui_text( &ui_global_ctx, wr, perf, 1, 0 );
-
- ui_rect_copy( wr, overlap_buffer[ overlap_length ++ ] );
- }
- }
-
-projected_behind:
-
- ui_end_down( &ui_global_ctx );
- ui_global_ctx.cursor[1] += 1;
- }
-}
-
-#endif /* VG_AUDIO_H */
projects / vg.git / blobdiff