Amcodec: audio_ctl/audio_ctrl.c File Reference

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audio_ctl/audio_ctrl.c File Reference

codec control lib functions for audio More...

#include <stdio.h> #include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <codec_error.h>
#include <codec.h>
#include "adecproc.h"
Include dependency graph for audio_ctrl.c:

Go to the source code of this file.

Functions

void audio_start (void)
 audio_start Start audio decoder
void audio_stop (void)
 audio_stop Stop audio decoder
void audio_pause (void)
 audio_pause Pause audio decoder
void audio_resume (void)
 audio_resume Resume audio decoder
int codec_get_mutesta (codec_para_t *p)
 codec_get_mutesta Get codec mute status
int codec_set_mute (codec_para_t *p, int mute)
 codec_set_mute Set audio mute
int codec_get_volume_range (codec_para_t *p, int *min, int *max)
 codec_get_volume_range Get audio volume range
int codec_set_volume (codec_para_t *p, int val)
 codec_set_volume Set audio volume
int codec_get_volume (codec_para_t *p)
 codec_get_volume Get audio volume
int codec_set_volume_balance (codec_para_t *p, int balance)
 codec_set_volume_balance Set volume balance
int codec_swap_left_right (codec_para_t *p)
 codec_swap_left_right Swap audio left and right channel
int codec_left_mono (codec_para_t *p)
 codec_left_mono Set mono with left channel
int codec_right_mono (codec_para_t *p)
 codec_right_mono Set mono with right channel
int codec_stereo (codec_para_t *p)
 codec_stereo Set stereo
int codec_audio_automute (int auto_mute)
 codec_audio_automute Set decoder to automute mode
int codec_audio_spectrum_switch (codec_para_t *p, int isStart, int interval)
 codec_audio_spectrum_switch Switch audio spectrum

Detailed Description

codec control lib functions for audio

Author:
Zhou Zhi <[email protected]>
Version:
1.0.0
Date:
2011-02-24

Definition in file audio_ctrl.c.

Function Documentation

int codec_audio_automute ( int  auto_mute  ) 

codec_audio_automute Set decoder to automute mode

Parameters:
[in] auto_mute automute mode
Returns:
Command result

Definition at line 238 of file audio_ctrl.c.

int codec_audio_spectrum_switch ( codec_para_t *  p,
int  isStart,
int  interval 
)

codec_audio_spectrum_switch Switch audio spectrum

Parameters:
[in] p Pointer of codec parameter structure
[in] isStart Start(1) or stop(0) spectrum
[in] interval Spectrum interval
Returns:
Command result

Definition at line 259 of file audio_ctrl.c.

int codec_get_mutesta ( codec_para_t *  p  ) 

codec_get_mutesta Get codec mute status

Parameters:
[in] p Pointer of codec parameter structure
Returns:
audio command result

Definition at line 72 of file audio_ctrl.c.

int codec_get_volume ( codec_para_t *  p  ) 

codec_get_volume Get audio volume

Parameters:
[in] p Pointer of codec parameter structure
Returns:
command result

Definition at line 143 of file audio_ctrl.c.

int codec_get_volume_range ( codec_para_t *  p,
int *  min,
int *  max 
)

codec_get_volume_range Get audio volume range

Parameters:
[in] p Pointer of codec parameter structure
[out] min Data to save the min volume
[out] max Data to save the max volume
Returns:
not used, read failed

Definition at line 110 of file audio_ctrl.c.

int codec_left_mono ( codec_para_t *  p  ) 

codec_left_mono Set mono with left channel

Parameters:
[in] p Pointer of codec parameter structure
Returns:
Command result

Definition at line 190 of file audio_ctrl.c.

int codec_right_mono ( codec_para_t *  p  ) 

codec_right_mono Set mono with right channel

Parameters:
[in] p Pointer of codec parameter structure
Returns:
Command result

Definition at line 206 of file audio_ctrl.c.

int codec_set_mute ( codec_para_t *  p,
int  mute 
)

codec_set_mute Set audio mute

Parameters:
[in] p Pointer of codec parameter structure
[in] mute mute command, 1 for mute, 0 for unmute
Returns:
audio command result

Definition at line 89 of file audio_ctrl.c.

int codec_set_volume ( codec_para_t *  p,
int  val 
)

codec_set_volume Set audio volume

Parameters:
[in] p Pointer of codec parameter structure
[in] val Volume to be set
Returns:
command result

Definition at line 125 of file audio_ctrl.c.

int codec_set_volume_balance ( codec_para_t *  p,
int  balance 
)

codec_set_volume_balance Set volume balance

Parameters:
[in] p Pointer of codec parameter structure
[in] balance Balance to be set
Returns:
not used, return failed

Definition at line 160 of file audio_ctrl.c.

int codec_stereo ( codec_para_t *  p  ) 

codec_stereo Set stereo

Parameters:
[in] p Pointer of codec parameter structure
Returns:
Command result

Definition at line 222 of file audio_ctrl.c.

int codec_swap_left_right ( codec_para_t *  p  ) 

codec_swap_left_right Swap audio left and right channel

Parameters:
[in] p Pointer of codec parameter structure
Returns:
Command result

Definition at line 174 of file audio_ctrl.c.

Generated on Fri Feb 25 15:30:29 2011 for Amcodec by  doxygen 1.6.1
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