load.h File Reference

#include <PR/ultratypes.h>
#include "audio/internal.h"

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Data Structures
struct	SharedDma

Macros
#define	AUDIO_FRAME_DMA_QUEUE_SIZE   0x40
#define	PRELOAD_BANKS   2
#define	PRELOAD_SEQUENCE   1
#define	IS_SEQUENCE_CHANNEL_VALID(ptr)   ((uintptr_t) (ptr) != (uintptr_t) & gSequenceChannelNone)

Functions
void	audio_dma_copy_immediate (u8 *devAddr, void *vAddr, size_t nbytes)
void	audio_dma_copy_async (uintptr_t, void *, size_t, OSMesgQueue *, OSIoMesg *)
void	audio_dma_partial_copy_async (uintptr_t *, u8 **, ssize_t *, OSMesgQueue *, OSIoMesg *)
void	decrease_sample_dma_ttls (void)
void *	dma_sample_data (uintptr_t, u32, s32, u8 *)
void	func_800BB030 (s32)
s32	func_800BB304 (struct AudioBankSample *)
s32	func_800BB388 (s32 bankId, s32 instId, s32 arg2)
void	func_800BB43C (ALSeqFile *, u8 *)
void	patch_sound (struct AudioBankSound *sound, u8 *memBase, u8 *offsetBase)
void	func_800BB584 (s32)
void	patch_audio_bank (struct AudioBank *mem, u8 *offset, u32 numInstruments, u32 numDrums)
struct AudioBank *	bank_load_immediate (s32, s32)
struct AudioBank *	bank_load_async (s32, s32, struct SequencePlayer *)
void *	sequence_dma_immediate (s32, s32)
void *	sequence_dma_async (s32, s32, struct SequencePlayer *)
u8	get_missing_bank (u32 seqId, s32 *nonNullCount, s32 *nullCount)
struct AudioBank *	load_banks_immediate (s32, u8 *)
void	preload_sequence (u32, u8)
void	load_sequence (u32, u32, s32)
void	load_sequence_internal (u32, u32, s32)

Variables
struct SequencePlayer	gSequencePlayers [SEQUENCE_PLAYERS]
struct SequenceChannel	gSequenceChannels [SEQUENCE_CHANNELS]
struct SequenceChannelLayer	gSequenceLayers [SEQUENCE_LAYERS]
struct SequenceChannel	gSequenceChannelNone
struct AudioListItem	gLayerFreeList
struct NotePool	gNoteFreeLists
OSMesgQueue	gCurrAudioFrameDmaQueue
OSMesg	gCurrAudioFrameDmaMesgBufs [AUDIO_FRAME_DMA_QUEUE_SIZE]
OSIoMesg	gCurrAudioFrameDmaIoMesgBufs [AUDIO_FRAME_DMA_QUEUE_SIZE]
OSMesgQueue	D_803B6720
OSMesg	D_803B6738
OSIoMesg	D_803B6740
struct SharedDma	sSampleDmas [0x70]
u32	gSampleDmaNumListItems
u32	sSampleDmaListSize1
s32	D_803B6E60
s32	load_bss_pad
u8	sSampleDmaReuseQueue1 [256]
u8	sSampleDmaReuseQueue2 [256]
u8	sSampleDmaReuseQueueTail1
u8	sSampleDmaReuseQueueTail2
u8	sSampleDmaReuseQueueHead1
u8	sSampleDmaReuseQueueHead2
ALSeqFile *	gSeqFileHeader
ALSeqFile *	gAlCtlHeader
ALSeqFile *	gAlTbl
u8 *	gAlBankSets
u16	gSequenceCount
struct CtlEntry *	gCtlEntries
struct AudioBufferParametersEU	gAudioBufferParameters
u32	D_803B70A8
s32	gMaxAudioCmds
s32	gMaxSimultaneousNotes
s16	gTempoInternalToExternal
s8	gAudioLibSoundMode
volatile s32	gAudioFrameCount
s32	gCurrAudioFrameDmaCount

Macro Definition Documentation

AUDIO_FRAME_DMA_QUEUE_SIZE

#define AUDIO_FRAME_DMA_QUEUE_SIZE   0x40

IS_SEQUENCE_CHANNEL_VALID

#define IS_SEQUENCE_CHANNEL_VALID

(

ptr

)

((uintptr_t) (ptr) != (uintptr_t) & gSequenceChannelNone)

PRELOAD_BANKS

#define PRELOAD_BANKS   2

PRELOAD_SEQUENCE

#define PRELOAD_SEQUENCE   1

Function Documentation

audio_dma_copy_async()

void audio_dma_copy_async	(	uintptr_t	devAddr,
		void *	vAddr,
		size_t	nbytes,
		OSMesgQueue *	queue,
		OSIoMesg *	mesg )

Performs an asynchronus (normal priority) DMA copy

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audio_dma_copy_immediate()

void audio_dma_copy_immediate	(	u8 *	devAddr,
		void *	vAddr,
		size_t	nbytes )

Performs an immediate DMA copy

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audio_dma_partial_copy_async()

void audio_dma_partial_copy_async	(	uintptr_t *	devAddr,
		u8 **	vAddr,
		ssize_t *	remaining,
		OSMesgQueue *	queue,
		OSIoMesg *	mesg )

Performs a partial asynchronous (normal priority) DMA copy. This is limited to 0x1000 bytes transfer at once.

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bank_load_async()

struct AudioBank * bank_load_async	(	s32	bankId,
		s32	arg1,
		struct SequencePlayer *	seqPlayer )

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bank_load_immediate()

struct AudioBank * bank_load_immediate	(	s32	bankId,
		s32	arg1 )

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decrease_sample_dma_ttls()

void decrease_sample_dma_ttls

(

void

)

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dma_sample_data()

void * dma_sample_data	(	uintptr_t	devAddr,
		u32	size,
		s32	arg2,
		u8 *	dmaIndexRef )

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func_800BB030()

void func_800BB030

(

s32

)

func_800BB304()

s32 func_800BB304

(

struct AudioBankSample *

sample

)

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func_800BB388()

s32 func_800BB388	(	s32	bankId,
		s32	instId,
		s32	arg2 )

Bug

missing return

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func_800BB43C()

void func_800BB43C	(	ALSeqFile *	f,
		u8 *	base )

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func_800BB584()

void func_800BB584

(

s32

bankId

)

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get_missing_bank()

u8 get_missing_bank	(	u32	seqId,
		s32 *	nonNullCount,
		s32 *	nullCount )

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load_banks_immediate()

struct AudioBank * load_banks_immediate	(	s32	seqId,
		u8 *	outDefaultBank )

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load_sequence()

void load_sequence	(	u32	player,
		u32	seqId,
		s32	loadAsync )

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load_sequence_internal()

void load_sequence_internal	(	u32	player,
		u32	seqId,
		s32	loadAsync )

Bug

This should set the last bank (i.e. the first in the JSON) as default, not the missing one. This code path never gets taken, though – all sequence loading is synchronous.

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patch_audio_bank()

void patch_audio_bank	(	struct AudioBank *	mem,
		u8 *	offset,
		u32	numInstruments,
		u32	numDrums )

Doesn't affect EU, but required for US/JP

Doesn't affect EU, but required for US/JP

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patch_sound()

void patch_sound	(	struct AudioBankSound *	sound,
		u8 *	memBase,
		u8 *	offsetBase )

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preload_sequence()

void preload_sequence	(	u32	seqId,
		u8	preloadMask )

Bug

should be IS_SEQ_LOAD_COMPLETE

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sequence_dma_async()

void * sequence_dma_async	(	s32	seqId,
		s32	arg1,
		struct SequencePlayer *	seqPlayer )

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sequence_dma_immediate()

void * sequence_dma_immediate	(	s32	seqId,
		s32	arg1 )

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Variable Documentation

D_803B6720

OSMesgQueue D_803B6720

extern

D_803B6738

OSMesg D_803B6738

extern

D_803B6740

OSIoMesg D_803B6740

extern

D_803B6E60

s32 D_803B6E60

extern

D_803B70A8

u32 D_803B70A8

extern

gAlBankSets

u8* gAlBankSets

extern

gAlCtlHeader

ALSeqFile* gAlCtlHeader

extern

gAlTbl

ALSeqFile* gAlTbl

extern

gAudioBufferParameters

struct AudioBufferParametersEU gAudioBufferParameters

extern

gAudioFrameCount

volatile s32 gAudioFrameCount

extern

gAudioLibSoundMode

s8 gAudioLibSoundMode

extern

gCtlEntries

struct CtlEntry* gCtlEntries

extern

gCurrAudioFrameDmaCount

s32 gCurrAudioFrameDmaCount

extern

gCurrAudioFrameDmaIoMesgBufs

OSIoMesg gCurrAudioFrameDmaIoMesgBufs[AUDIO_FRAME_DMA_QUEUE_SIZE]

extern

gCurrAudioFrameDmaMesgBufs

OSMesg gCurrAudioFrameDmaMesgBufs[AUDIO_FRAME_DMA_QUEUE_SIZE]

extern

gCurrAudioFrameDmaQueue

OSMesgQueue gCurrAudioFrameDmaQueue

extern

gLayerFreeList

struct AudioListItem gLayerFreeList

extern

gMaxAudioCmds

s32 gMaxAudioCmds

extern

gMaxSimultaneousNotes

s32 gMaxSimultaneousNotes

extern

gNoteFreeLists

struct NotePool gNoteFreeLists

extern

gSampleDmaNumListItems

u32 gSampleDmaNumListItems

extern

gSeqFileHeader

ALSeqFile* gSeqFileHeader

extern

gSequenceChannelNone

struct SequenceChannel gSequenceChannelNone

extern

gSequenceChannels

struct SequenceChannel gSequenceChannels[SEQUENCE_CHANNELS]

extern

gSequenceCount

u16 gSequenceCount

extern

gSequenceLayers

struct SequenceChannelLayer gSequenceLayers[SEQUENCE_LAYERS]

extern

gSequencePlayers

struct SequencePlayer gSequencePlayers[SEQUENCE_PLAYERS]

extern

gTempoInternalToExternal

s16 gTempoInternalToExternal

extern

load_bss_pad

s32 load_bss_pad

extern

sSampleDmaListSize1

u32 sSampleDmaListSize1

extern

sSampleDmaReuseQueue1

u8 sSampleDmaReuseQueue1[256]

extern

sSampleDmaReuseQueue2

u8 sSampleDmaReuseQueue2[256]

extern

sSampleDmaReuseQueueHead1

u8 sSampleDmaReuseQueueHead1

extern

sSampleDmaReuseQueueHead2

u8 sSampleDmaReuseQueueHead2

extern

sSampleDmaReuseQueueTail1

u8 sSampleDmaReuseQueueTail1

extern

sSampleDmaReuseQueueTail2

u8 sSampleDmaReuseQueueTail2

extern

sSampleDmas

struct SharedDma sSampleDmas[0x70]

extern