_VSDCB Struct Reference

Internal codec control block. More...

#include <vscodec.h>

Collaboration diagram for _VSDCB:

Data Fields
int	dcb_pbstat
	Playback status.
uint32_t	dcb_scmd
	Requested command flags, see VSREQ_ flags.
int	dcb_rvol
	Volume of right channel.
int	dcb_lvol
	Volume of left channel.
int	dcb_treb
	Treble enhancement *1.5dB.
int	dcb_tfin
	Treble limit frequency *1000Hz.
int	dcb_bass
	Bass enhancement *1dB.
int	dcb_bfin
	Bass limit frequency *10Hz.
uint16_t	dcb_sinefreq
	Requested beep frequency.
uint32_t	dcb_pbwlo
	Playback buffer low watermark.
uint32_t	dcb_pbwhi
	Playback buffer high watermark.
uint32_t	dcb_wtmo
	Write timeout.
uint32_t	dcb_rtmo
	Read timeout.
HANDLE	dcb_bufque
	Buffer change event.
HANDLE	dcb_feedme
	Decoder hungry event.
uint16_t	dcb_codec_ver
	Chip version, 1001, 1002, 1053 etc.
char	dcb_codec_rev
	Chip revision character.
uint32_t	dcb_dec_caps
	Decoder capabilities.
uint32_t	dcb_cod_caps
	Encoder capabilities.
uint32_t	dcb_midi_caps
	MIDI capabilities.
uint32_t	dcb_cod_mode
	Encoder mode.
int(*	dcb_isready )(void)
int(*	dcb_sendcmd )(void *, size_t)
int(*	dcb_senddata )(const uint8_t *, size_t)
int(*	dcb_control )(int req, void *conf)
int(*	dcb_recvdata )(void *, size_t)
int	dcb_crvol
	Current volume of right channel.
int	dcb_srvol
	Requested volume of right channel.
int	dcb_clvol
	Current volume of left channel.
int	dcb_slvol
	Requested volume of left channel.
int	dcb_ctreb
	Current bass enhancement.
int	dcb_streb
	Requested bass enhancement.
int	dcb_ctfin
	Current bass frequency.
int	dcb_stfin
	Requested bass frequency.
int	dcb_cbass
	Current treble enhancement.
int	dcb_sbass
	Requested bass enhancement.
int	dcb_cbfin
	Current treble frequency.
int	dcb_sbfin
	Requested treble frequency.

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Detailed Description

Internal codec control block.

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Field Documentation

int _VSDCB::dcb_pbstat

Playback status.

Referenced by FeederThread(), VsCodecIOCtl(), VsCodecRead(), and VsDecoderBufferInit().

uint32_t _VSDCB::dcb_scmd

Requested command flags, see VSREQ_ flags.

Referenced by FeederThread(), VsCodecIOCtl(), and VsCodecRead().

int _VSDCB::dcb_rvol

Volume of right channel.

Referenced by FeederThread(), VsCodecIOCtl(), and VsDecoderSetVolume().

int _VSDCB::dcb_lvol

Volume of left channel.

Referenced by FeederThread(), VsCodecIOCtl(), and VsDecoderSetVolume().

int _VSDCB::dcb_treb

Treble enhancement *1.5dB.

Referenced by FeederThread(), VsCodecIOCtl(), and VsDecoderSetBass().

int _VSDCB::dcb_tfin

Treble limit frequency *1000Hz.

Referenced by FeederThread(), VsCodecIOCtl(), and VsDecoderSetBass().

int _VSDCB::dcb_bass

Bass enhancement *1dB.

Referenced by FeederThread(), VsCodecIOCtl(), and VsDecoderSetBass().

int _VSDCB::dcb_bfin

Bass limit frequency *10Hz.

Referenced by FeederThread(), VsCodecIOCtl(), and VsDecoderSetBass().

uint16_t _VSDCB::dcb_sinefreq

Requested beep frequency.

Referenced by FeederThread(), and VsCodecIOCtl().

uint32_t _VSDCB::dcb_pbwlo

Playback buffer low watermark.

Referenced by FeederThread(), VsCodecIOCtl(), and VsDecoderBufferInit().

uint32_t _VSDCB::dcb_pbwhi

Playback buffer high watermark.

Referenced by FeederThread(), VsCodecIOCtl(), and VsDecoderBufferInit().

uint32_t _VSDCB::dcb_wtmo

Write timeout.

Referenced by VsCodecClose(), VsCodecIOCtl(), and VsCodecWrite().

uint32_t _VSDCB::dcb_rtmo

Read timeout.

Referenced by VsCodecRead().

HANDLE _VSDCB::dcb_bufque

Buffer change event.

Referenced by FeederThread(), VsCodecRead(), and VsCodecWrite().

HANDLE _VSDCB::dcb_feedme

Decoder hungry event.

Referenced by FeederThread(), VsCodecIOCtl(), VsCodecRead(), VsCodecWaitReady(), and VsCodecWrite().

uint16_t _VSDCB::dcb_codec_ver

Chip version, 1001, 1002, 1053 etc.

char _VSDCB::dcb_codec_rev

Chip revision character.

uint32_t _VSDCB::dcb_dec_caps

Decoder capabilities.

Referenced by VsCodecIOCtl().

uint32_t _VSDCB::dcb_cod_caps

Encoder capabilities.

Referenced by VsCodecIOCtl().

uint32_t _VSDCB::dcb_midi_caps

MIDI capabilities.

Referenced by VsCodecIOCtl().

uint32_t _VSDCB::dcb_cod_mode

Encoder mode.

Referenced by VsCodecOpen(), and VsCodecRead().

int(* _VSDCB::dcb_isready)(void)

Referenced by FeederThread(), and VsCodecWaitReady().

int(* _VSDCB::dcb_sendcmd)(void *, size_t)

Referenced by VsCodecReg().

int(* _VSDCB::dcb_senddata)(const uint8_t *, size_t)

Referenced by FeederThread(), and VsCodecBeep().

int(* _VSDCB::dcb_control)(int req, void *conf)

Referenced by VsCodecIOCtl().

int(* _VSDCB::dcb_recvdata)(void *, size_t)

Referenced by FeederThread().

int _VSDCB::dcb_crvol

Current volume of right channel.

Referenced by FeederThread().

int _VSDCB::dcb_srvol

Requested volume of right channel.

Referenced by FeederThread().

int _VSDCB::dcb_clvol

Current volume of left channel.

Referenced by FeederThread().

int _VSDCB::dcb_slvol

Requested volume of left channel.

Referenced by FeederThread().

int _VSDCB::dcb_ctreb

Current bass enhancement.

int _VSDCB::dcb_streb

Requested bass enhancement.

int _VSDCB::dcb_ctfin

Current bass frequency.

int _VSDCB::dcb_stfin

Requested bass frequency.

int _VSDCB::dcb_cbass

Current treble enhancement.

int _VSDCB::dcb_sbass

Requested bass enhancement.

int _VSDCB::dcb_cbfin

Current treble frequency.

int _VSDCB::dcb_sbfin

Requested treble frequency.

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

• include/dev/vscodec.h
• dev/vscodec.c