7.Function specification-8

7.8 CD block operations

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Title function specification

Function Connection of aperture and CD buffer compartment

Function name STM_ConnectCdbuf

No 8.1

Format

void STM_ConnectCdbuf(StmHn keystm, StmHn bufstm)

input

keystm	: Connection source stream handle
bufstm	: Connection destination stream handle (STM_CON_NULBUF when disconnecting)

output

none

function value

none

function

Connect the aperture and buffer compartments within the CD block.

remarks

1. Reads from the aperture assigned to the source stream to the CD buffer section assigned to the destination stream.

2. If you want to return to the original settings, specify the same stream handle as the connection source.

3. This shows the connection when setting the stream key as an OR condition.
   

4. Only CD streams can be specified.

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Title function specification

Function Moving CD buffer partition data

Function name STM_MoveCdbuf

No 8.2

Format

void STM_MoveCdbuf(StmHn src, Sint32 spos, Sint32 snum, StmHn dst)

input

src	: Source stream handle
spos	: Sector position (first sector is STM_CDBUF_TOP)
snum	: Number of sectors (STM_CDBUF_END if up to the end)
dst	: Destination stream handle

output

none

function value

none

function

Move sector data from the buffer compartment in the CD block to the aperture.

remarks

1. Moves sector data from the CD buffer section assigned to the source stream to the aperture assigned to the destination stream.
   

2. Only CD streams can be specified.

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Title function specification

Function Clearing CD buffer partition data

Function name STM_EraseCdbuf

No 8.3

Format

void STM_EraseCdbuf(StmHn stm, Sint32 spos, Sint32 snum)

input

stm	:Stream handle
spos	: Sector position (first sector is STM_CDBUF_TOP)
snum	: Number of sectors (STM_CDBUF_END if up to the end)

output

none

function value

none

function

Erase the sector data in the CD buffer partition allocated to the stream.