#include <RIFF.h>

Inheritance diagram for RIFF::List:

Public Member Functions
	List (File pFile, file_offset_t StartPos, List Parent)

String	GetListTypeString () const
	Returns string representation of the lists's id.

uint32_t	GetListType () const
	Returns unsigned integer representation of the list's ID.

Chunk *	GetSubChunk (uint32_t ChunkID)
	Returns subchunk with chunk ID ChunkID within this chunk list. More...

List *	GetSubList (uint32_t ListType)
	Returns sublist chunk with list type ListType within this chunk list. More...

Chunk *	GetFirstSubChunk ()
	Returns the first subchunk within the list (which may be an ordinary chunk as well as a list chunk). More...

Chunk *	GetNextSubChunk ()
	Returns the next subchunk within the list (which may be an ordinary chunk as well as a list chunk). More...

List *	GetFirstSubList ()
	Returns the first sublist within the list (that is a subchunk with chunk ID "LIST"). More...

List *	GetNextSubList ()
	Returns the next sublist (that is a subchunk with chunk ID "LIST") within the list. More...

size_t	CountSubChunks ()
	Returns number of subchunks within the list (including list chunks).

size_t	CountSubChunks (uint32_t ChunkID)
	Returns number of subchunks within the list with chunk ID ChunkId.

size_t	CountSubLists ()
	Returns number of sublists within the list.

size_t	CountSubLists (uint32_t ListType)
	Returns number of sublists within the list with list type ListType

Chunk *	AddSubChunk (uint32_t uiChunkID, file_offset_t ullBodySize)
	Creates a new sub chunk. More...

List *	AddSubList (uint32_t uiListType)
	Creates a new list sub chunk. More...

void	DeleteSubChunk (Chunk *pSubChunk)
	Removes a sub chunk. More...

void	MoveSubChunk (Chunk pSrc, Chunk pDst)
	Moves a sub chunk witin this list. More...

void	MoveSubChunk (Chunk pSrc, List pNewParent)
	Moves a sub chunk from this list to another list. More...

String	GetChunkIDString () const
	Returns the String representation of the chunk's ID (e.g. More...

uint32_t	GetChunkID () const
	Chunk ID in unsigned integer representation.

File *	GetFile () const
	Returns pointer to the chunk's File object.

List *	GetParent () const
	Returns pointer to the chunk's parent list chunk.

file_offset_t	GetSize () const
	Chunk size in bytes (without header, thus the chunk data body)

file_offset_t	GetNewSize () const
	New chunk size if it was modified with Resize(), otherwise value returned will be equal to GetSize().

file_offset_t	GetPos () const
	Position within the chunk data body (starting with 0).

file_offset_t	GetFilePos () const
	Current, actual offset in file of current chunk data body read/write position.

file_offset_t	SetPos (file_offset_t Where, stream_whence_t Whence=stream_start)
	Sets the position within the chunk body, thus within the data portion of the chunk (in bytes). More...

file_offset_t	RemainingBytes () const
	Returns the number of bytes left to read in the chunk body. More...

stream_state_t	GetState () const
	Returns the current state of the chunk object. More...

file_offset_t	Read (void *pData, file_offset_t WordCount, file_offset_t WordSize)
	Reads WordCount number of data words with given WordSize and copies it into a buffer pointed by pData. More...

file_offset_t	ReadInt8 (int8_t *pData, file_offset_t WordCount=1)
	Reads WordCount number of 8 Bit signed integer words and copies it into the buffer pointed by pData. More...

int8_t	ReadInt8 ()
	Reads one 8 Bit signed integer word and increments the position within the chunk. More...

file_offset_t	ReadUint8 (uint8_t *pData, file_offset_t WordCount=1)
	Reads WordCount number of 8 Bit unsigned integer words and copies it into the buffer pointed by pData. More...

uint8_t	ReadUint8 ()
	Reads one 8 Bit unsigned integer word and increments the position within the chunk. More...

file_offset_t	ReadInt16 (int16_t *pData, file_offset_t WordCount=1)
	Reads WordCount number of 16 Bit signed integer words and copies it into the buffer pointed by pData. More...

int16_t	ReadInt16 ()
	Reads one 16 Bit signed integer word and increments the position within the chunk. More...

file_offset_t	ReadUint16 (uint16_t *pData, file_offset_t WordCount=1)
	Reads WordCount number of 16 Bit unsigned integer words and copies it into the buffer pointed by pData. More...

uint16_t	ReadUint16 ()
	Reads one 16 Bit unsigned integer word and increments the position within the chunk. More...

file_offset_t	ReadInt32 (int32_t *pData, file_offset_t WordCount=1)
	Reads WordCount number of 32 Bit signed integer words and copies it into the buffer pointed by pData. More...

int32_t	ReadInt32 ()
	Reads one 32 Bit signed integer word and increments the position within the chunk. More...

file_offset_t	ReadUint32 (uint32_t *pData, file_offset_t WordCount=1)
	Reads WordCount number of 32 Bit unsigned integer words and copies it into the buffer pointed by pData. More...

uint32_t	ReadUint32 ()
	Reads one 32 Bit unsigned integer word and increments the position within the chunk. More...

void	ReadString (String &s, int size)
	Reads a null-padded string of size characters and copies it into the string s. More...

file_offset_t	Write (void *pData, file_offset_t WordCount, file_offset_t WordSize)
	Writes WordCount number of data words with given WordSize from the buffer pointed by pData. More...

file_offset_t	WriteInt8 (int8_t *pData, file_offset_t WordCount=1)
	Writes WordCount number of 8 Bit signed integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file. More...

file_offset_t	WriteUint8 (uint8_t *pData, file_offset_t WordCount=1)
	Writes WordCount number of 8 Bit unsigned integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file. More...

file_offset_t	WriteInt16 (int16_t *pData, file_offset_t WordCount=1)
	Writes WordCount number of 16 Bit signed integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file. More...

file_offset_t	WriteUint16 (uint16_t *pData, file_offset_t WordCount=1)
	Writes WordCount number of 16 Bit unsigned integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file. More...

file_offset_t	WriteInt32 (int32_t *pData, file_offset_t WordCount=1)
	Writes WordCount number of 32 Bit signed integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file. More...

file_offset_t	WriteUint32 (uint32_t *pData, file_offset_t WordCount=1)
	Writes WordCount number of 32 Bit unsigned integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file. More...

void *	LoadChunkData ()
	Load chunk body into RAM. More...

void	ReleaseChunkData ()
	Free loaded chunk body from RAM. More...

void	Resize (file_offset_t NewSize)
	Resize chunk. More...

Protected Types
typedef std::map< uint32_t, RIFF::Chunk * >	ChunkMap

typedef std::list< Chunk * >	ChunkList

typedef std::set< Chunk * >	ChunkSet

Protected Member Functions
	List (File *pFile)

	List (File pFile, List pParent, uint32_t uiListID)

void	ReadHeader (file_offset_t filePos)

void	WriteHeader (file_offset_t filePos)

void	LoadSubChunks (progress_t *pProgress=NULL)

void	LoadSubChunksRecursively (progress_t *pProgress=NULL)

virtual file_offset_t	RequiredPhysicalSize (int fileOffsetSize)
	Returns the actual total size in bytes (including List chunk header and all subchunks) of this List Chunk if being stored to a file. More...

virtual file_offset_t	WriteChunk (file_offset_t ullWritePos, file_offset_t ullCurrentDataOffset, progress_t *pProgress=NULL)
	Write list chunk persistently e.g. More...

virtual void	__resetPos ()
	Sets List Chunk's read/write position to zero and causes all sub chunks to do the same.

void	DeleteChunkList ()

file_offset_t	ReadSceptical (void *pData, file_offset_t WordCount, file_offset_t WordSize)
	Just an internal wrapper for the main Read() method with additional Exception throwing on errors.

Static Protected Member Functions
static String	convertToString (uint32_t word)

Protected Attributes
uint32_t	ListType

ChunkList *	pSubChunks

ChunkMap *	pSubChunksMap

ChunkList::iterator	ChunksIterator

ChunkList::iterator	ListIterator

uint32_t	ChunkID

file_offset_t	ullCurrentChunkSize

file_offset_t	ullNewChunkSize

List *	pParent

File *	pFile

file_offset_t	ullStartPos

file_offset_t	ullPos

uint8_t *	pChunkData

file_offset_t	ullChunkDataSize

Detailed Description

RIFF List Chunk.

Provides convenient methods to access data of RIFF list chunks and their subchunks.

Definition at line 308 of file RIFF.h.

Member Function Documentation

◆ AddSubChunk()

Chunk * RIFF::List::AddSubChunk	(	uint32_t	uiChunkID,
		file_offset_t	ullBodySize
	)

Creates a new sub chunk.

Creates and adds a new sub chunk to this list chunk. Note that the chunk's body size given by ullBodySize must be greater than zero. You have to call File::Save() to make this change persistent to the actual file and before performing any data write operations on the new chunk!

Parameters

uiChunkID	- chunk ID of the new chunk
ullBodySize	- size of the new chunk's body, that is its actual data size (without header)

Exceptions

RIFF::Exception if ullBodySize equals zero

Definition at line 1310 of file RIFF.cpp.

References RIFF::File::FileOffsetSize, and RIFF::Chunk::Resize().

Referenced by DLS::File::__ensureMandatoryChunksExist(), gig::File::AddInstrument(), gig::File::AddSample(), gig::File::RebuildSampleChecksumTable(), DLS::Sample::Resize(), DLS::Resource::UpdateChunks(), DLS::Sampler::UpdateChunks(), DLS::Sample::UpdateChunks(), DLS::Region::UpdateChunks(), DLS::Instrument::UpdateChunks(), DLS::File::UpdateChunks(), gig::DimensionRegion::UpdateChunks(), gig::Sample::UpdateChunks(), gig::Region::UpdateChunks(), gig::Script::UpdateChunks(), gig::Instrument::UpdateChunks(), and gig::File::UpdateChunks().

◆ AddSubList()

List * RIFF::List::AddSubList ( uint32_t uiListType )

Creates a new list sub chunk.

Creates and adds a new list sub chunk to this list chunk. Note that you have to add sub chunks / sub list chunks to the new created chunk before trying to make this change persisten to the actual file with File::Save()!

Parameters

uiListType - list ID of the new list chunk

Definition at line 1380 of file RIFF.cpp.

References RIFF::File::FileOffsetSize.

Referenced by DLS::File::__ensureMandatoryChunksExist(), gig::Region::AddDimension(), DLS::File::AddInstrument(), gig::File::AddInstrument(), DLS::File::AddSample(), gig::File::AddSample(), gig::Region::DeleteDimensionZone(), gig::Region::SplitDimensionZone(), DLS::Info::UpdateChunks(), gig::Region::UpdateChunks(), gig::ScriptGroup::UpdateChunks(), gig::Instrument::UpdateChunks(), gig::Group::UpdateChunks(), and gig::File::UpdateChunks().

◆ DeleteSubChunk()

void RIFF::List::DeleteSubChunk ( Chunk * pSubChunk )

Removes a sub chunk.

Removes the sub chunk given by pSubChunk from this list and frees it completely from RAM. The given chunk can either be a normal sub chunk or a list sub chunk. In case the given chunk is a list chunk, all its subchunks (if any) will be removed recursively as well. You should call File::Save() to make this change persistent at any time.

Parameters

pSubChunk - sub chunk or sub list chunk to be removed

Definition at line 1399 of file RIFF.cpp.

References RIFF::Chunk::GetChunkID().

Referenced by DLS::Sample::DeleteChunks(), DLS::Region::DeleteChunks(), DLS::Instrument::DeleteChunks(), gig::Group::DeleteChunks(), gig::Region::DeleteDimension(), gig::ScriptGroup::DeleteScript(), gig::File::DeleteScriptGroup(), DLS::File::UpdateChunks(), gig::Sample::UpdateChunks(), gig::Region::UpdateChunks(), gig::Instrument::UpdateChunks(), and gig::File::UpdateChunks().

◆ GetChunkIDString()

String RIFF::Chunk::GetChunkIDString ( ) const

inherited

Returns the String representation of the chunk's ID (e.g.

"RIFF", "LIST").

Definition at line 264 of file RIFF.cpp.

◆ GetFirstSubChunk()

Chunk * RIFF::List::GetFirstSubChunk ( )

Returns the first subchunk within the list (which may be an ordinary chunk as well as a list chunk).

You have to call this method before you can call GetNextSubChunk(). Recall it when you want to start from the beginning of the list again.

Returns: pointer to the first subchunk within the list, NULL otherwise

Definition at line 1173 of file RIFF.cpp.

Referenced by gig::Group::UpdateChunks(), and gig::File::UpdateChunks().

◆ GetFirstSubList()

List * RIFF::List::GetFirstSubList ( )

Returns the first sublist within the list (that is a subchunk with chunk ID "LIST").

You have to call this method before you can call GetNextSubList(). Recall it when you want to start from the beginning of the list again.

Returns: pointer to the first sublist within the list, NULL otherwise

Definition at line 1208 of file RIFF.cpp.

◆ GetNextSubChunk()

Chunk * RIFF::List::GetNextSubChunk ( )

Returns the next subchunk within the list (which may be an ordinary chunk as well as a list chunk).

You have to call GetFirstSubChunk() before you can use this method!

Returns: pointer to the next subchunk within the list or NULL if end of list is reached

Definition at line 1190 of file RIFF.cpp.

Referenced by gig::Group::UpdateChunks(), and gig::File::UpdateChunks().

◆ GetNextSubList()

List * RIFF::List::GetNextSubList ( )

Returns the next sublist (that is a subchunk with chunk ID "LIST") within the list.

You have to call GetFirstSubList() before you can use this method!

Returns: pointer to the next sublist within the list, NULL if end of list is reached

Definition at line 1230 of file RIFF.cpp.

◆ GetState()

stream_state_t RIFF::Chunk::GetState ( ) const

inherited

Returns the current state of the chunk object.

Following values are possible:

RIFF::stream_ready : chunk data can be read (this is the usual case)
RIFF::stream_closed : the data stream was closed somehow, no more reading possible
RIFF::stream_end_reached : already reached the end of the chunk data, no more reading possible without SetPos()

Definition at line 343 of file RIFF.cpp.

References RIFF::File::hFileRead.

◆ GetSubChunk()

Chunk * RIFF::List::GetSubChunk ( uint32_t ChunkID )

Returns subchunk with chunk ID ChunkID within this chunk list.

Use this method if you expect only one subchunk of that type in the list. It there are more than one, it's undetermined which one of them will be returned! If there are no subchunks with that desired chunk ID, NULL will be returned.

Parameters

ChunkID - chunk ID of the sought subchunk

Returns: pointer to the subchunk or NULL if there is none of that ID

Definition at line 1128 of file RIFF.cpp.

Referenced by DLS::File::__ensureMandatoryChunksExist(), DLS::File::File(), Korg::KSFSample::GetPos(), DLS::Instrument::Instrument(), Korg::KSFSample::Read(), gig::File::RebuildSampleChecksumTable(), DLS::Sample::Resize(), DLS::Resource::Resource(), DLS::Sample::Sample(), gig::Sample::Sample(), Korg::KSFSample::SetPos(), gig::File::SetSampleChecksum(), DLS::Resource::UpdateChunks(), DLS::Sampler::UpdateChunks(), DLS::Sample::UpdateChunks(), DLS::Region::UpdateChunks(), DLS::Instrument::UpdateChunks(), DLS::File::UpdateChunks(), gig::DimensionRegion::UpdateChunks(), gig::Sample::UpdateChunks(), gig::Region::UpdateChunks(), gig::Instrument::UpdateChunks(), gig::Group::UpdateChunks(), gig::File::UpdateChunks(), and gig::File::VerifySampleChecksumTable().

◆ GetSubList()

List * RIFF::List::GetSubList ( uint32_t ListType )

Returns sublist chunk with list type ListType within this chunk list.

Use this method if you expect only one sublist chunk of that type in the list. If there are more than one, it's undetermined which one of them will be returned! If there are no sublists with that desired list type, NULL will be returned.

Parameters

ListType - list type of the sought sublist

Returns: pointer to the sublist or NULL if there is none of that type

Definition at line 1147 of file RIFF.cpp.

References GetListType().

Referenced by DLS::File::__ensureMandatoryChunksExist(), gig::Region::AddDimension(), DLS::File::AddInstrument(), gig::File::AddInstrument(), DLS::File::AddSample(), gig::File::AddSample(), gig::Region::DeleteDimension(), gig::Region::DeleteDimensionZone(), DLS::Info::Info(), gig::Instrument::MoveTo(), gig::Region::SplitDimensionZone(), DLS::Info::UpdateChunks(), gig::Region::UpdateChunks(), gig::ScriptGroup::UpdateChunks(), gig::Instrument::UpdateChunks(), gig::Group::UpdateChunks(), and gig::File::UpdateChunks().

◆ LoadChunkData()

void * RIFF::Chunk::LoadChunkData ( )

inherited

Load chunk body into RAM.

Loads the whole chunk body into memory. You can modify the data in RAM and save the data by calling File::Save() afterwards.

Caution: the buffer pointer will be invalidated once File::Save() was called. You have to call LoadChunkData() again to get a new, valid pointer whenever File::Save() was called.

You can call LoadChunkData() again if you previously scheduled to enlarge this chunk with a Resize() call. In that case the buffer will be enlarged to the new, scheduled chunk size and you can already place the new chunk data to the buffer and finally call File::Save() to enlarge the chunk physically and write the new data in one rush. This approach is definitely recommended if you have to enlarge and write new data to a lot of chunks.

Returns: a pointer to the data in RAM on success, NULL otherwise

Exceptions

Exception if data buffer could not be enlarged

See also: ReleaseChunkData()

Definition at line 865 of file RIFF.cpp.

References RIFF::Chunk::GetSize(), and RIFF::File::hFileRead.

Referenced by DLS::Sample::LoadSampleData(), gig::File::RebuildSampleChecksumTable(), DLS::Articulation::UpdateChunks(), DLS::Resource::UpdateChunks(), DLS::Sampler::UpdateChunks(), DLS::Sample::UpdateChunks(), DLS::Region::UpdateChunks(), DLS::Instrument::UpdateChunks(), DLS::File::UpdateChunks(), gig::DimensionRegion::UpdateChunks(), gig::Sample::UpdateChunks(), gig::Region::UpdateChunks(), gig::Script::UpdateChunks(), gig::Instrument::UpdateChunks(), gig::File::UpdateChunks(), gig::File::VerifySampleChecksumTable(), and RIFF::Chunk::WriteChunk().

◆ MoveSubChunk() [1/2]

void RIFF::List::MoveSubChunk	(	Chunk *	pSrc,
		Chunk *	pDst
	)

Moves a sub chunk witin this list.

Moves a sub chunk from one position in this list to another position in the same list. The pSrc chunk is placed before the pDst chunk.

Parameters

pSrc	- sub chunk to be moved
pDst	- the position to move to. pSrc will be placed before pDst. If pDst is 0, pSrc will be placed last in list.

Definition at line 1332 of file RIFF.cpp.

Referenced by gig::Region::AddDimension(), gig::Instrument::MoveTo(), gig::File::RebuildSampleChecksumTable(), gig::Script::SetGroup(), gig::DimensionRegion::UpdateChunks(), gig::Region::UpdateChunks(), gig::Group::UpdateChunks(), and gig::File::UpdateChunks().

◆ MoveSubChunk() [2/2]

void RIFF::List::MoveSubChunk	(	Chunk *	pSrc,
		List *	pNewParent
	)

Moves a sub chunk from this list to another list.

Moves a sub chunk from this list list to the end of another list.

Parameters

pSrc	- sub chunk to be moved
pDst	- destination list where the chunk shall be moved to

Definition at line 1347 of file RIFF.cpp.

References RIFF::Chunk::GetChunkID().

◆ Read()

file_offset_t RIFF::Chunk::Read	(	void *	pData,
		file_offset_t	WordCount,
		file_offset_t	WordSize
	)

inherited

Reads WordCount number of data words with given WordSize and copies it into a buffer pointed by pData.

The buffer has to be allocated and be sure to provide the correct WordSize, as this will be important and taken into account for eventual endian correction (swapping of bytes due to different native byte order of a system). The position within the chunk will automatically be incremented.

Parameters

pData	destination buffer
WordCount	number of data words to read
WordSize	size of each data word to read

Returns: number of successfully read data words or 0 if end of file reached or error occurred

Definition at line 374 of file RIFF.cpp.

References RIFF::File::hFileRead, and RIFF::Chunk::SetPos().

Referenced by DLS::Articulation::Articulation(), DLS::File::File(), DLS::Instrument::Instrument(), DLS::Sample::Read(), gig::Sample::Read(), Korg::KSFSample::Read(), RIFF::Chunk::ReadSceptical(), DLS::Resource::Resource(), gig::Sample::Sample(), and DLS::File::UpdateChunks().

◆ ReadInt16() [1/2]

int16_t RIFF::Chunk::ReadInt16 ( )

inherited

Reads one 16 Bit signed integer word and increments the position within the chunk.

Endian correction will automatically be done if needed.

Returns: read integer word

Exceptions

RIFF::Exception if an error occurred

Definition at line 784 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReadInt16() [2/2]

file_offset_t RIFF::Chunk::ReadInt16	(	int16_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Reads WordCount number of 16 Bit signed integer words and copies it into the buffer pointed by pData.

The buffer has to be allocated. Endian correction will automatically be done if needed. The position within the chunk will automatically be incremented.

Parameters

pData	destination buffer
WordCount	number of 16 Bit signed integers to read

Returns: number of read integers

Exceptions

RIFF::Exception if an error occurred or less than WordCount integers could be read!

Definition at line 591 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

Referenced by gig::Sample::Sample().

◆ ReadInt32() [1/2]

int32_t RIFF::Chunk::ReadInt32 ( )

inherited

Reads one 32 Bit signed integer word and increments the position within the chunk.

Endian correction will automatically be done if needed.

Returns: read integer word

Exceptions

RIFF::Exception if an error occurred

Definition at line 818 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReadInt32() [2/2]

file_offset_t RIFF::Chunk::ReadInt32	(	int32_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Reads WordCount number of 32 Bit signed integer words and copies it into the buffer pointed by pData.

The buffer has to be allocated. Endian correction will automatically be done if needed. The position within the chunk will automatically be incremented.

Parameters

pData	destination buffer
WordCount	number of 32 Bit signed integers to read

Returns: number of read integers

Exceptions

RIFF::Exception if an error occurred or less than WordCount integers could be read!

Definition at line 665 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

Referenced by gig::Sample::Sample().

◆ ReadInt8() [1/2]

int8_t RIFF::Chunk::ReadInt8 ( )

inherited

Reads one 8 Bit signed integer word and increments the position within the chunk.

Returns: read integer word

Exceptions

RIFF::Exception if an error occurred

Definition at line 751 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReadInt8() [2/2]

file_offset_t RIFF::Chunk::ReadInt8	(	int8_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Reads WordCount number of 8 Bit signed integer words and copies it into the buffer pointed by pData.

The buffer has to be allocated. The position within the chunk will automatically be incremented.

Parameters

pData	destination buffer
WordCount	number of 8 Bit signed integers to read

Returns: number of read integers

Exceptions

RIFF::Exception if an error occurred or less than WordCount integers could be read!

Definition at line 517 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReadString()

void RIFF::Chunk::ReadString	(	String &	s,
		int	size
	)

inherited

Reads a null-padded string of size characters and copies it into the string s.

The position within the chunk will automatically be incremented.

Parameters

s	destination string
size	number of characters to read

Exceptions

RIFF::Exception if an error occurred or less than size characters could be read!

Definition at line 719 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReadUint16() [1/2]

uint16_t RIFF::Chunk::ReadUint16 ( )

inherited

Reads one 16 Bit unsigned integer word and increments the position within the chunk.

Endian correction will automatically be done if needed.

Returns: read integer word

Exceptions

RIFF::Exception if an error occurred

Definition at line 801 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReadUint16() [2/2]

file_offset_t RIFF::Chunk::ReadUint16	(	uint16_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Reads WordCount number of 16 Bit unsigned integer words and copies it into the buffer pointed by pData.

The buffer has to be allocated. Endian correction will automatically be done if needed. The position within the chunk will automatically be incremented.

Parameters

pData	destination buffer
WordCount	number of 8 Bit unsigned integers to read

Returns: number of read integers

Exceptions

RIFF::Exception if an error occurred or less than WordCount integers could be read!

Definition at line 628 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

Referenced by DLS::Sample::Sample().

◆ ReadUint32() [1/2]

uint32_t RIFF::Chunk::ReadUint32 ( )

inherited

Reads one 32 Bit unsigned integer word and increments the position within the chunk.

Endian correction will automatically be done if needed.

Returns: read integer word

Exceptions

RIFF::Exception if an error occurred

Definition at line 835 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReadUint32() [2/2]

file_offset_t RIFF::Chunk::ReadUint32	(	uint32_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Reads WordCount number of 32 Bit unsigned integer words and copies it into the buffer pointed by pData.

The buffer has to be allocated. Endian correction will automatically be done if needed. The position within the chunk will automatically be incremented.

Parameters

pData	destination buffer
WordCount	number of 32 Bit unsigned integers to read

Returns: number of read integers

Exceptions

RIFF::Exception if an error occurred or less than WordCount integers could be read!

Definition at line 702 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

Referenced by DLS::Articulation::Articulation(), DLS::File::File(), DLS::Instrument::Instrument(), and DLS::Sample::Sample().

◆ ReadUint8() [1/2]

uint8_t RIFF::Chunk::ReadUint8 ( )

inherited

Reads one 8 Bit unsigned integer word and increments the position within the chunk.

Returns: read integer word

Exceptions

RIFF::Exception if an error occurred

Definition at line 767 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReadUint8() [2/2]

file_offset_t RIFF::Chunk::ReadUint8	(	uint8_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Reads WordCount number of 8 Bit unsigned integer words and copies it into the buffer pointed by pData.

The buffer has to be allocated. The position within the chunk will automatically be incremented.

Parameters

pData	destination buffer
WordCount	number of 8 Bit unsigned integers to read

Returns: number of read integers

Exceptions

RIFF::Exception if an error occurred or less than WordCount integers could be read!

Definition at line 554 of file RIFF.cpp.

References RIFF::Chunk::ReadSceptical().

◆ ReleaseChunkData()

void RIFF::Chunk::ReleaseChunkData ( )

inherited

Free loaded chunk body from RAM.

Frees loaded chunk body data from memory (RAM). You should call File::Save() before calling this method if you modified the data to make the changes persistent.

Definition at line 911 of file RIFF.cpp.

Referenced by DLS::Sample::ReleaseSampleData(), and DLS::Sample::~Sample().

◆ RemainingBytes()

file_offset_t RIFF::Chunk::RemainingBytes ( ) const

inherited

Returns the number of bytes left to read in the chunk body.

When reading data from the chunk using the Read*() Methods, the position within the chunk data (that is the chunk body) will be incremented by the number of read bytes and RemainingBytes() returns how much data is left to read from the current position to the end of the chunk data.

Returns: number of bytes left to read

Definition at line 312 of file RIFF.cpp.

Referenced by gig::Sample::Read().

◆ RequiredPhysicalSize()

file_offset_t RIFF::List::RequiredPhysicalSize ( int fileOffsetSize )

protectedvirtual

Returns the actual total size in bytes (including List chunk header and all subchunks) of this List Chunk if being stored to a file.

Parameters

fileOffsetSize - RIFF file offset size (in bytes) assumed when being saved to a file

Reimplemented from RIFF::Chunk.

Definition at line 1424 of file RIFF.cpp.

Referenced by RIFF::File::GetRequiredFileSize().

◆ Resize()

void RIFF::Chunk::Resize ( file_offset_t NewSize )

inherited

Resize chunk.

Resizes this chunk's body, that is the actual size of data possible to be written to this chunk. This call will return immediately and just schedule the resize operation. You should call File::Save() to actually perform the resize operation(s) "physically" to the file. As this can take a while on large files, it is recommended to call Resize() first on all chunks which have to be resized and finally to call File::Save() to perform all those resize operations in one rush.

Caution: You cannot directly write to enlarged chunks before calling File::Save() as this might exceed the current chunk's body boundary!

Parameters

NewSize - new chunk body size in bytes (must be greater than zero)

Exceptions

RIFF::Exception if NewSize is less than 1 or unrealistic large

See also: File::Save()

Definition at line 936 of file RIFF.cpp.

Referenced by AddSubChunk(), gig::File::RebuildSampleChecksumTable(), DLS::Sample::Resize(), DLS::Articulation::UpdateChunks(), DLS::Sampler::UpdateChunks(), DLS::File::UpdateChunks(), gig::DimensionRegion::UpdateChunks(), gig::Script::UpdateChunks(), gig::Instrument::UpdateChunks(), and gig::File::UpdateChunks().

◆ SetPos()

file_offset_t RIFF::Chunk::SetPos	(	file_offset_t	Where,
		stream_whence_t	Whence = `stream_start`
	)

inherited

Sets the position within the chunk body, thus within the data portion of the chunk (in bytes).

Caution: the position will be reset to zero whenever File::Save() was called.

Parameters

Where	- position offset (in bytes)
Whence	- optional: defines to what Where relates to, if omitted Where relates to beginning of the chunk data

Definition at line 280 of file RIFF.cpp.

Referenced by DLS::Articulation::Articulation(), DLS::Sample::CopyAssign(), DLS::File::File(), DLS::Instrument::Instrument(), gig::Sample::Read(), RIFF::Chunk::Read(), DLS::Resource::Resource(), DLS::Sample::Sample(), gig::Sample::Sample(), DLS::Sample::SetPos(), gig::Sample::SetPos(), Korg::KSFSample::SetPos(), gig::File::SetSampleChecksum(), and RIFF::Chunk::Write().

◆ Write()

file_offset_t RIFF::Chunk::Write	(	void *	pData,
		file_offset_t	WordCount,
		file_offset_t	WordSize
	)

inherited

Writes WordCount number of data words with given WordSize from the buffer pointed by pData.

Be sure to provide the correct WordSize, as this will be important and taken into account for eventual endian correction (swapping of bytes due to different native byte order of a system). The position within the chunk will automatically be incremented.

Parameters

pData	source buffer (containing the data)
WordCount	number of data words to write
WordSize	size of each data word to write

Returns: number of successfully written data words

Exceptions

RIFF::Exception if write operation would exceed current chunk size or any IO error occurred

See also: Resize()

Definition at line 444 of file RIFF.cpp.

References RIFF::File::hFileWrite, and RIFF::Chunk::SetPos().

Referenced by DLS::Sample::Write(), gig::Sample::Write(), RIFF::Chunk::WriteInt16(), RIFF::Chunk::WriteInt32(), RIFF::Chunk::WriteInt8(), RIFF::Chunk::WriteUint16(), RIFF::Chunk::WriteUint32(), and RIFF::Chunk::WriteUint8().

◆ WriteChunk()

file_offset_t RIFF::List::WriteChunk	(	file_offset_t	ullWritePos,
		file_offset_t	ullCurrentDataOffset,
		progress_t *	pProgress = `NULL`
	)

protectedvirtual

Write list chunk persistently e.g.

to disk.

Stores the list chunk persistently to its actual "physical" file. All subchunks (including sub list chunks) will be stored recursively as well.

Parameters

ullWritePos	- position within the "physical" file where this list chunk should be written to
ullCurrentDataOffset	- offset of current (old) data within the file
pProgress	- optional: callback function for progress notification

Returns: new write position in the "physical" file, that is ullWritePos incremented by this list chunk's new size (including its header size of course)

Reimplemented from RIFF::Chunk.

Definition at line 1553 of file RIFF.cpp.

References RIFF::File::FileOffsetSize.

Referenced by RIFF::File::Save().

◆ WriteInt16()

file_offset_t RIFF::Chunk::WriteInt16	(	int16_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Writes WordCount number of 16 Bit signed integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file.

The position within the chunk will automatically be incremented. Note: you cannot write beyond the boundaries of the chunk, to append data to the chunk call Resize() before.

Parameters

pData	source buffer (containing the data)
WordCount	number of 16 Bit signed integers to write

Returns: number of written integers

Exceptions

RIFF::Exception if an IO error occurred

See also: Resize()

Definition at line 612 of file RIFF.cpp.

References RIFF::Chunk::Write().

◆ WriteInt32()

file_offset_t RIFF::Chunk::WriteInt32	(	int32_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Writes WordCount number of 32 Bit signed integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file.

The position within the chunk will automatically be incremented. Note: you cannot write beyond the boundaries of the chunk, to append data to the chunk call Resize() before.

Parameters

pData	source buffer (containing the data)
WordCount	number of 32 Bit signed integers to write

Returns: number of written integers

Exceptions

RIFF::Exception if an IO error occurred

See also: Resize()

Definition at line 686 of file RIFF.cpp.

References RIFF::Chunk::Write().

◆ WriteInt8()

file_offset_t RIFF::Chunk::WriteInt8	(	int8_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Writes WordCount number of 8 Bit signed integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file.

The position within the chunk will automatically be incremented. Note: you cannot write beyond the boundaries of the chunk, to append data to the chunk call Resize() before.

Parameters

pData	source buffer (containing the data)
WordCount	number of 8 Bit signed integers to write

Returns: number of written integers

Exceptions

RIFF::Exception if an IO error occurred

See also: Resize()

Definition at line 538 of file RIFF.cpp.

References RIFF::Chunk::Write().

◆ WriteUint16()

file_offset_t RIFF::Chunk::WriteUint16	(	uint16_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Writes WordCount number of 16 Bit unsigned integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file.

The position within the chunk will automatically be incremented. Note: you cannot write beyond the boundaries of the chunk, to append data to the chunk call Resize() before.

Parameters

pData	source buffer (containing the data)
WordCount	number of 16 Bit unsigned integers to write

Returns: number of written integers

Exceptions

RIFF::Exception if an IO error occurred

See also: Resize()

Definition at line 649 of file RIFF.cpp.

References RIFF::Chunk::Write().

◆ WriteUint32()

file_offset_t RIFF::Chunk::WriteUint32	(	uint32_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Writes WordCount number of 32 Bit unsigned integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file.

The position within the chunk will automatically be incremented. Note: you cannot write beyond the boundaries of the chunk, to append data to the chunk call Resize() before.

Parameters

pData	source buffer (containing the data)
WordCount	number of 32 Bit unsigned integers to write

Returns: number of written integers

Exceptions

RIFF::Exception if an IO error occurred

See also: Resize()

Definition at line 740 of file RIFF.cpp.

References RIFF::Chunk::Write().

Referenced by gig::File::SetSampleChecksum().

◆ WriteUint8()

file_offset_t RIFF::Chunk::WriteUint8	(	uint8_t *	pData,
		file_offset_t	WordCount = `1`
	)

inherited

Writes WordCount number of 8 Bit unsigned integer words from the buffer pointed by pData to the chunk's body, directly to the actual "physical" file.

The position within the chunk will automatically be incremented. Note: you cannot write beyond the boundaries of the chunk, to append data to the chunk call Resize() before.

Parameters

pData	source buffer (containing the data)
WordCount	number of 8 Bit unsigned integers to write

Returns: number of written integers

Exceptions

RIFF::Exception if an IO error occurred

See also: Resize()

Definition at line 575 of file RIFF.cpp.

References RIFF::Chunk::Write().

The documentation for this class was generated from the following files:

Public Member Functions

Protected Types

Protected Member Functions

Static Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation

◆ AddSubChunk()

◆ AddSubList()

◆ DeleteSubChunk()

◆ GetChunkIDString()

◆ GetFirstSubChunk()

◆ GetFirstSubList()

◆ GetNextSubChunk()

◆ GetNextSubList()

◆ GetState()

◆ GetSubChunk()

◆ GetSubList()

◆ LoadChunkData()

◆ MoveSubChunk() [1/2]

◆ MoveSubChunk() [2/2]

◆ Read()

◆ ReadInt16() [1/2]

◆ ReadInt16() [2/2]

◆ ReadInt32() [1/2]

◆ ReadInt32() [2/2]

◆ ReadInt8() [1/2]

◆ ReadInt8() [2/2]

◆ ReadString()

◆ ReadUint16() [1/2]

◆ ReadUint16() [2/2]

◆ ReadUint32() [1/2]

◆ ReadUint32() [2/2]

◆ ReadUint8() [1/2]

◆ ReadUint8() [2/2]

◆ ReleaseChunkData()

◆ RemainingBytes()

◆ RequiredPhysicalSize()

◆ Resize()

◆ SetPos()

◆ Write()

◆ WriteChunk()

◆ WriteInt16()

◆ WriteInt32()

◆ WriteInt8()

◆ WriteUint16()

◆ WriteUint32()

◆ WriteUint8()