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This commit is contained in:
jacob 2025-07-31 18:18:58 -05:00
parent 5b07284d02
commit 52c613263d
9 changed files with 109 additions and 109 deletions
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2
src/app/app_core.c
View File

@ -240,7 +240,7 @@ void P_AppStartup(String args_str)
TTF_StartupReceipt ttf_sr = TTF_Startup();
F_StartupReceipt font_sr = F_Startup(&asset_cache_sr, &ttf_sr);
S_StartupReceipt sprite_sr = sprite_startup();
M_StartupReceipt mixer_sr = M_Startup();
MIX_StartupReceipt mixer_sr = MIX_Startup();
SND_StartupReceipt sound_sr = SND_Startup(&asset_cache_sr);
D_StartupReceipt draw_sr = D_Startup(&font_sr);
SimStartupReceipt sim_sr = sim_startup();

120
src/mixer/mixer_core.c
View File

@ -14,35 +14,35 @@
* - 2 32 bit float samples output by mixer and consumed by playback API, one sample for each audio channel
*/
M_SharedState M_shared_state = ZI;
MIX_SharedState M_shared_state = ZI;
////////////////////////////////
//~ Startup
M_StartupReceipt M_Startup(void)
MIX_StartupReceipt MIX_Startup(void)
{
__prof;
M_SharedState *g = &M_shared_state;
MIX_SharedState *g = &M_shared_state;
g->track_arena = AllocArena(Gibi(64));
g->listener_pos = VEC2(0, 0);
g->listener_dir = VEC2(0, -1);
return (M_StartupReceipt) { 0 };
return (MIX_StartupReceipt) { 0 };
}
////////////////////////////////
//~ Track
M_Handle M_HandleFromTrack(M_Track *track)
MIX_Handle MIX_HandleFromTrack(MIX_Track *track)
{
M_Handle result = ZI;
MIX_Handle result = ZI;
result.gen = track->gen;
result.data = track;
return result;
}
M_Track *M_TrackFromHandle(M_Handle handle)
MIX_Track *MIX_TrackFromHandle(MIX_Handle handle)
{
M_Track *track = (M_Track *)handle.data;
MIX_Track *track = (MIX_Track *)handle.data;
if (track && track->gen == handle.gen)
{
return track;
@ -53,38 +53,38 @@ M_Track *M_TrackFromHandle(M_Handle handle)
}
}
M_Track *M_AllocTrackLocked(P_Lock *lock, SND_Sound *sound)
MIX_Track *MIX_AllocTrackLocked(P_Lock *lock, SND_Sound *sound)
{
M_SharedState *g = &M_shared_state;
MIX_SharedState *g = &M_shared_state;
P_AssertLockedE(lock, &g->mutex);
(UNUSED)lock;
M_Track *track = 0;
MIX_Track *track = 0;
if (g->track_first_free)
{
/* Take from free list */
track = g->track_first_free;
M_Track *next_free = track->next;
MIX_Track *next_free = track->next;
g->track_first_free = next_free;
if (next_free)
{
next_free->prev = 0;
}
*track = (M_Track) { .gen = track->gen + 1 };
*track = (MIX_Track) { .gen = track->gen + 1 };
}
else
{
/* Allocate new */
track = PushStruct(g->track_arena, M_Track);
track = PushStruct(g->track_arena, MIX_Track);
track->gen = 1;
}
track->sound = sound;
track->mix.source = sound;
track->mix.track_handle = M_HandleFromTrack(track);
track->mix.track_handle = MIX_HandleFromTrack(track);
/* Append to playing list */
M_Track *prev = g->track_last_playing;
MIX_Track *prev = g->track_last_playing;
if (prev)
{
prev->next = track;
@ -100,15 +100,15 @@ M_Track *M_AllocTrackLocked(P_Lock *lock, SND_Sound *sound)
return track;
}
void M_ReleaseTrackLocked(P_Lock *lock, M_Track *track)
void MIX_ReleaseTrackLocked(P_Lock *lock, MIX_Track *track)
{
M_SharedState *g = &M_shared_state;
MIX_SharedState *g = &M_shared_state;
P_AssertLockedE(lock, &g->mutex);
(UNUSED)lock;
/* Remove from playing list */
M_Track *prev = track->prev;
M_Track *next = track->next;
MIX_Track *prev = track->prev;
MIX_Track *next = track->next;
if (prev)
{
prev->next = next;
@ -145,40 +145,40 @@ void M_ReleaseTrackLocked(P_Lock *lock, M_Track *track)
/* TODO: Rework interface to be command based instead of directly modifying tracks. */
M_Handle M_PlaySound(SND_Sound *sound)
MIX_Handle MIX_PlaySound(SND_Sound *sound)
{
return M_PlaySoundEx(sound, M_TRACKDESC());
return MIX_PlaySoundEx(sound, M_TRACKDESC());
}
M_Handle M_PlaySoundEx(SND_Sound *sound, M_TrackDesc desc)
MIX_Handle MIX_PlaySoundEx(SND_Sound *sound, MIX_TrackDesc desc)
{
M_SharedState *g = &M_shared_state;
M_Track *track;
MIX_SharedState *g = &M_shared_state;
MIX_Track *track;
{
P_Lock lock = P_LockE(&g->mutex);
{
track = M_AllocTrackLocked(&lock, sound);
track = MIX_AllocTrackLocked(&lock, sound);
track->desc = desc;
}
P_Unlock(&lock);
}
return M_HandleFromTrack(track);
return MIX_HandleFromTrack(track);
}
/* NOTE: This is quite inefficient. */
M_TrackDesc M_TrackDescFromHandle(M_Handle handle)
MIX_TrackDesc MIX_TrackDescFromHandle(MIX_Handle handle)
{
M_SharedState *g = &M_shared_state;
M_TrackDesc result = ZI;
MIX_SharedState *g = &M_shared_state;
MIX_TrackDesc result = ZI;
M_Track *track = M_TrackFromHandle(handle);
MIX_Track *track = MIX_TrackFromHandle(handle);
if (track)
{
/* TODO: Only lock mutex on track itself or something */
P_Lock lock = P_LockE(&g->mutex);
{
/* Confirm handle is still valid now that we're locked */
track = M_TrackFromHandle(handle);
track = MIX_TrackFromHandle(handle);
if (track)
{
result = track->desc;
@ -191,17 +191,17 @@ M_TrackDesc M_TrackDescFromHandle(M_Handle handle)
}
/* NOTE: This is quite inefficient. */
void M_UpdateTrack(M_Handle handle, M_TrackDesc desc)
void MIX_UpdateTrack(MIX_Handle handle, MIX_TrackDesc desc)
{
M_SharedState *g = &M_shared_state;
M_Track *track = M_TrackFromHandle(handle);
MIX_SharedState *g = &M_shared_state;
MIX_Track *track = MIX_TrackFromHandle(handle);
if (track)
{
/* TODO: Only lock mutex on track itself or something */
P_Lock lock = P_LockE(&g->mutex);
{
/* Confirm handle is still valid now that we're locked */
track = M_TrackFromHandle(handle);
track = MIX_TrackFromHandle(handle);
if (track)
{
track->desc = desc;
@ -211,9 +211,9 @@ void M_UpdateTrack(M_Handle handle, M_TrackDesc desc)
}
}
void M_UpdateListener(Vec2 pos, Vec2 dir)
void MIX_UpdateListener(Vec2 pos, Vec2 dir)
{
M_SharedState *g = &M_shared_state;
MIX_SharedState *g = &M_shared_state;
P_Lock lock = P_LockE(&g->mutex);
{
g->listener_pos = pos;
@ -225,7 +225,7 @@ void M_UpdateListener(Vec2 pos, Vec2 dir)
////////////////////////////////
//~ Mix
i16 M_SampleSound(SND_Sound *sound, u64 sample_pos, b32 wrap)
i16 MIX_SampleSound(SND_Sound *sound, u64 sample_pos, b32 wrap)
{
if (wrap)
{
@ -242,13 +242,13 @@ i16 M_SampleSound(SND_Sound *sound, u64 sample_pos, b32 wrap)
}
/* To be called once per audio playback interval */
M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
MIX_PcmF32 MIX_MixAllTracks(Arena *arena, u64 frame_count)
{
__prof;
TempArena scratch = BeginScratch(arena);
M_SharedState *g = &M_shared_state;
MIX_SharedState *g = &M_shared_state;
M_PcmF32 result = ZI;
MIX_PcmF32 result = ZI;
result.count = frame_count * 2;
result.samples = PushStructs(arena, f32, result.count);
@ -257,7 +257,7 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
//- Create temp mix array
M_MixData **mixes = 0;
MIX_MixData **mixes = 0;
u64 mixes_count = 0;
{
P_Lock lock = P_LockE(&g->mutex);
@ -267,11 +267,11 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
listener_dir = g->listener_dir;
/* Update & read mixes */
mixes = PushStructsNoZero(scratch.arena, M_MixData *, g->track_playing_count);
for (M_Track *track = g->track_first_playing; track; track = track->next)
mixes = PushStructsNoZero(scratch.arena, MIX_MixData *, g->track_playing_count);
for (MIX_Track *track = g->track_first_playing; track; track = track->next)
{
__profn("Prepare track");
M_MixData *mix = &track->mix;
MIX_MixData *mix = &track->mix;
mix->desc = track->desc;
mixes[mixes_count++] = mix;
}
@ -284,7 +284,7 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
for (u64 mix_index = 0; mix_index < mixes_count; ++mix_index)
{
__profn("Mix track");
M_MixData *mix = mixes[mix_index];
MIX_MixData *mix = mixes[mix_index];
if (mix->source->samples_count <= 0)
{
@ -293,8 +293,8 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
}
SND_Sound *source = mix->source;
M_TrackDesc desc = mix->desc;
M_EffectData *effect_data = &mix->effect_data;
MIX_TrackDesc desc = mix->desc;
MIX_EffectData *effect_data = &mix->effect_data;
b32 source_is_stereo = source->flags & SND_SoundFlag_Stereo;
f32 speed = MaxF32(0, desc.speed);
@ -333,7 +333,7 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
mix->source_pos = source_sample_pos_end;
M_PcmF32 mix_pcm = {
MIX_PcmF32 mix_pcm = {
.count = result.count,
.samples = PushStructs(scratch.arena, f32, result.count)
};
@ -358,10 +358,10 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
u32 in_frame_pos_next = CeilF32ToI32(in_frame_pos_exact);
/* Sample source */
f32 sample1_prev = M_SampleSound(source, (in_frame_pos_prev * 2) + 0, desc.looping) * (1.f / 32768.f);
f32 sample1_next = M_SampleSound(source, (in_frame_pos_next * 2) + 0, desc.looping) * (1.f / 32768.f);
f32 sample2_prev = M_SampleSound(source, (in_frame_pos_prev * 2) + 1, desc.looping) * (1.f / 32768.f);
f32 sample2_next = M_SampleSound(source, (in_frame_pos_next * 2) + 1, desc.looping) * (1.f / 32768.f);
f32 sample1_prev = MIX_SampleSound(source, (in_frame_pos_prev * 2) + 0, desc.looping) * (1.f / 32768.f);
f32 sample1_next = MIX_SampleSound(source, (in_frame_pos_next * 2) + 0, desc.looping) * (1.f / 32768.f);
f32 sample2_prev = MIX_SampleSound(source, (in_frame_pos_prev * 2) + 1, desc.looping) * (1.f / 32768.f);
f32 sample2_next = MIX_SampleSound(source, (in_frame_pos_next * 2) + 1, desc.looping) * (1.f / 32768.f);
/* Lerp */
f32 t = in_frame_pos_exact - (f32)in_frame_pos_prev;
@ -382,8 +382,8 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
u32 in_frame_pos_next = CeilF32ToI32(in_frame_pos_exact);
/* Sample source */
f32 sample_prev = M_SampleSound(source, in_frame_pos_prev, desc.looping) * (1.f / 32768.f);
f32 sample_next = M_SampleSound(source, in_frame_pos_next, desc.looping) * (1.f / 32768.f);
f32 sample_prev = MIX_SampleSound(source, in_frame_pos_prev, desc.looping) * (1.f / 32768.f);
f32 sample_next = MIX_SampleSound(source, in_frame_pos_next, desc.looping) * (1.f / 32768.f);
/* Lerp */
f32 t = (f32)in_frame_pos_exact - in_frame_pos_prev;
@ -396,7 +396,7 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
}
//- Spatialize
if (desc.flags & M_TrackFlag_Spatialize)
if (desc.flags & MIX_TrackFlag_Spatialize)
{
__profn("Spatialize");
@ -464,14 +464,14 @@ M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count)
P_Lock lock = P_LockE(&g->mutex);
for (u64 i = 0; i < mixes_count; ++i)
{
M_MixData *mix = mixes[i];
M_Track *track = M_TrackFromHandle(mix->track_handle);
MIX_MixData *mix = mixes[i];
MIX_Track *track = MIX_TrackFromHandle(mix->track_handle);
if (track)
{
if (mix->track_finished)
{
/* Release finished tracks */
M_ReleaseTrackLocked(&lock, track);
MIX_ReleaseTrackLocked(&lock, track);
}
}
}

76
src/mixer/mixer_core.h
View File

@ -1,29 +1,29 @@
////////////////////////////////
//~ Track types
typedef u32 M_TrackFlag; enum
typedef u32 MIX_TrackFlag; enum
{
M_TrackFlag_None = 0,
M_TrackFlag_Spatialize = (1 << 0)
MIX_TrackFlag_None = 0,
MIX_TrackFlag_Spatialize = (1 << 0)
};
Struct(M_Handle)
Struct(MIX_Handle)
{
u64 gen;
void *data;
};
Struct(M_TrackDesc)
Struct(MIX_TrackDesc)
{
M_TrackFlag flags;
MIX_TrackFlag flags;
f32 volume; /* 0 -> 1.0+ */
f32 speed; /* 0 -> 1.0+ */
b32 looping;
/* M_TrackFlag_Spatialize */
/* MIX_TrackFlag_Spatialize */
Vec2 pos;
};
#define M_TRACKDESC(...) ((M_TrackDesc) { \
#define M_TRACKDESC(...) ((MIX_TrackDesc) { \
.flags = 0, \
.volume = 1.0, \
.speed = 1.0, \
@ -36,48 +36,48 @@ Struct(M_TrackDesc)
//~ Mix types
/* Stereo mix of 32 bit float samples */
Struct(M_PcmF32)
Struct(MIX_PcmF32)
{
u64 count;
f32 *samples;
};
Struct(M_EffectData)
Struct(MIX_EffectData)
{
/* Spatialization */
f32 spatial_volume;
f32 spatial_pan;
};
Struct(M_MixData)
Struct(MIX_MixData)
{
M_Handle track_handle;
MIX_Handle track_handle;
b32 track_finished;
M_TrackDesc desc;
M_EffectData effect_data;
MIX_TrackDesc desc;
MIX_EffectData effect_data;
SND_Sound *source;
u64 source_pos;
};
Struct(M_Track)
{
Struct(MIX_Track){
u64 gen;
/* Controlled via interface */
SND_Sound *sound;
M_TrackDesc desc;
MIX_TrackDesc desc;
/* Internal */
M_MixData mix;
MIX_MixData mix;
M_Track *next;
M_Track *prev;
MIX_Track *next;
MIX_Track *prev;
};
////////////////////////////////
//~ Shared state
Struct(M_SharedState)
Struct(MIX_SharedState)
{
P_Mutex mutex;
@ -87,39 +87,39 @@ Struct(M_SharedState)
/* Track list */
Arena *track_arena;
M_Track *track_first_playing;
M_Track *track_last_playing;
MIX_Track *track_first_playing;
MIX_Track *track_last_playing;
u64 track_playing_count;
M_Track *track_first_free;
MIX_Track *track_first_free;
};
extern M_SharedState M_shared_state;
extern MIX_SharedState M_shared_state;
////////////////////////////////
//~ Startup
Struct(M_StartupReceipt) { i32 _; };
M_StartupReceipt M_Startup(void);
Struct(MIX_StartupReceipt) { i32 _; };
MIX_StartupReceipt MIX_Startup(void);
////////////////////////////////
//~ Track operations
M_Handle M_HandleFromTrack(M_Track *track);
M_Track *M_TrackFromHandle(M_Handle handle);
M_Track *M_AllocTrackLocked(P_Lock *lock, SND_Sound *sound);
void M_ReleaseTrackLocked(P_Lock *lock, M_Track *track);
MIX_Handle MIX_HandleFromTrack(MIX_Track *track);
MIX_Track *MIX_TrackFromHandle(MIX_Handle handle);
MIX_Track *MIX_AllocTrackLocked(P_Lock *lock, SND_Sound *sound);
void MIX_ReleaseTrackLocked(P_Lock *lock, MIX_Track *track);
////////////////////////////////
//~ Mixer state operations
M_Handle M_PlaySound(SND_Sound *sound);
M_Handle M_PlaySoundEx(SND_Sound *sound, M_TrackDesc desc);
M_TrackDesc M_TrackDescFromHandle(M_Handle handle);
void M_UpdateTrack(M_Handle handle, M_TrackDesc desc);
void M_UpdateListener(Vec2 pos, Vec2 dir);
MIX_Handle MIX_PlaySound(SND_Sound *sound);
MIX_Handle MIX_PlaySoundEx(SND_Sound *sound, MIX_TrackDesc desc);
MIX_TrackDesc MIX_TrackDescFromHandle(MIX_Handle handle);
void MIX_UpdateTrack(MIX_Handle handle, MIX_TrackDesc desc);
void MIX_UpdateListener(Vec2 pos, Vec2 dir);
////////////////////////////////
//~ Mixer update
i16 M_SampleSound(SND_Sound *sound, u64 sample_pos, b32 wrap);
M_PcmF32 M_MixAllTracks(Arena *arena, u64 frame_count);
i16 MIX_SampleSound(SND_Sound *sound, u64 sample_pos, b32 wrap);
MIX_PcmF32 MIX_MixAllTracks(Arena *arena, u64 frame_count);

2
src/playback/playback_core.h
View File

@ -1,4 +1,4 @@
#define PB_SampleRate 48000
Struct(PB_StartupReceipt) { i32 _; };
PB_StartupReceipt PB_Startup(M_StartupReceipt *mixer_sr);
PB_StartupReceipt PB_Startup(MIX_StartupReceipt *mixer_sr);

6
src/playback/playback_win32.c
View File

@ -9,7 +9,7 @@ PB_WSP_SharedState PB_WSP_shared_state = ZI;
////////////////////////////////
//~ Startup
PB_StartupReceipt PB_Startup(M_StartupReceipt *mixer_sr)
PB_StartupReceipt PB_Startup(MIX_StartupReceipt *mixer_sr)
{
__prof;
PB_WSP_SharedState *g = &PB_WSP_shared_state;
@ -147,7 +147,7 @@ PB_WSP_Buff PB_WSP_BeginUpdate(void)
return wspbuf;
}
void PB_WSP_EndUpdate(PB_WSP_Buff *wspbuf, M_PcmF32 src)
void PB_WSP_EndUpdate(PB_WSP_Buff *wspbuf, MIX_PcmF32 src)
{
__prof;
PB_WSP_SharedState *g = &PB_WSP_shared_state;
@ -202,7 +202,7 @@ P_JobDef(PB_WSP_PlaybackJob, _)
{
__profn("Fill sample buffer");
PB_WSP_Buff wspbuf = PB_WSP_BeginUpdate();
M_PcmF32 pcm = M_MixAllTracks(scratch.arena, wspbuf.frames_count);
MIX_PcmF32 pcm = MIX_MixAllTracks(scratch.arena, wspbuf.frames_count);
PB_WSP_EndUpdate(&wspbuf, pcm);
}
EndScratch(scratch);

2
src/playback/playback_win32.h
View File

@ -56,7 +56,7 @@ P_ExitFuncDef(PB_WSP_Shutdown);
//~ Playback update
PB_WSP_Buff PB_WSP_BeginUpdate(void);
void PB_WSP_EndUpdate(PB_WSP_Buff *wspbuf, M_PcmF32 src);
void PB_WSP_EndUpdate(PB_WSP_Buff *wspbuf, MIX_PcmF32 src);
////////////////////////////////
//~ Playback job

4
src/sim/sim_ent.h
View File

@ -373,8 +373,8 @@ Struct(Ent) {
/* SEPROP_TEST_SOUND_EMITTER */
String sound_name;
M_TrackDesc sound_desc;
M_Handle sound_handle;
MIX_TrackDesc sound_desc;
MIX_Handle sound_handle;
/* ====================================================================== */
/* Camera */

4
src/user/user_core.c
View File

@ -183,7 +183,7 @@ struct user_startup_receipt user_startup(F_StartupReceipt *font_sr,
D_StartupReceipt *draw_sr,
AC_StartupReceipt *asset_cache_sr,
SND_StartupReceipt *sound_sr,
M_StartupReceipt *mixer_sr,
MIX_StartupReceipt *mixer_sr,
SimStartupReceipt *sim_sr,
String connect_address_str)
{
@ -1012,7 +1012,7 @@ internal void user_update(P_Window *window)
Vec2 ui_center = MulVec2(G.ui_size, 0.5f);
Vec2 listener_pos = InvertXformMulV2(G.world_to_ui_xf, ui_center);
Vec2 listener_dir = NormVec2(InvertXformBasisMulV2(G.world_to_ui_xf, up));
M_UpdateListener(listener_pos, listener_dir);
MIX_UpdateListener(listener_pos, listener_dir);
}
/* ========================== *

2
src/user/user_core.h
View File

@ -53,6 +53,6 @@ struct user_startup_receipt user_startup(F_StartupReceipt *font_sr,
D_StartupReceipt *draw_sr,
AC_StartupReceipt *asset_cache_sr,
SND_StartupReceipt *sound_sr,
M_StartupReceipt *mixer_sr,
MIX_StartupReceipt *mixer_sr,
SimStartupReceipt *sim_sr,
String connect_address_str);