Amcodec: codec/codec_h_ctrl.h File Reference

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codec/codec_h_ctrl.h File Reference

Definition of codec devices and function prototypes. More...

#include <codec_type.h> #include <codec_error.h>
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Defines

#define CODEC_DEBUG
#define CODEC_PRINT(f, s...)   fprintf(stderr,f,##s)
#define CODEC_VIDEO_ES_DEVICE   "/dev/amstream_vbuf"
#define CODEC_AUDIO_ES_DEVICE   "/dev/amstream_abuf"
#define CODEC_TS_DEVICE   "/dev/amstream_mpts"
#define CODEC_PS_DEVICE   "/dev/amstream_mpps"
#define CODEC_RM_DEVICE   "/dev/amstream_rm"
#define CODEC_CNTL_DEVICE   "/dev/amvideo"
#define CODEC_SUB_DEVICE   "/dev/amstream_sub"
#define CODEC_SUB_READ_DEVICE   "/dev/amstream_sub_read"

Functions

CODEC_HANDLE codec_h_open (const char *port_addr, int flags)
 codec_h_open Open codec devices by file name
int codec_h_close (CODEC_HANDLE h)
 codec_h_close Close codec devices
int codec_h_write (CODEC_HANDLE, void *, int)
 codec_h_write Write data to codec devices
int codec_h_read (CODEC_HANDLE, void *, int)
 codec_h_read Read data from codec devices
int codec_h_control (CODEC_HANDLE h, int cmd, unsigned long paramter)
 codec_h_control IOCTL commands for codec devices

Detailed Description

Definition of codec devices and function prototypes.

Author:
Zhang Chen <[email protected]>
Version:
1.0.0
Date:
2011-02-24

Definition in file codec_h_ctrl.h.

Function Documentation

int codec_h_close ( CODEC_HANDLE  h  ) 

codec_h_close Close codec devices

Parameters:
[in] h Handler of codec device
Returns:
0 for success

Definition at line 74 of file codec_h_ctrl.c.

Referenced by codec_close(), codec_close_cntl(), codec_close_sub(), and codec_close_sub_fd().

int codec_h_control ( CODEC_HANDLE  h,
int  cmd,
unsigned long  paramter 
)

codec_h_control IOCTL commands for codec devices

Parameters:
[in] h Codec device handler
[in] cmd IOCTL commands
[in] paramter IOCTL commands parameter
Returns:
0 for success, non-0 for fail

Definition at line 93 of file codec_h_ctrl.c.

Referenced by codec_checkin_pts(), codec_get_abuf_state(), codec_get_adec_state(), codec_get_cntl_state(), codec_get_sub_size(), codec_get_sub_size_fd(), codec_get_vbuf_state(), codec_get_vdec_state(), codec_init(), codec_reset_audio(), codec_reset_subtile(), codec_set_audio_pid(), codec_set_cntl_avthresh(), codec_set_cntl_mode(), codec_set_cntl_syncthresh(), codec_set_dec_reset(), and codec_set_sub_id().

CODEC_HANDLE codec_h_open ( const char *  port_addr,
int  flags 
)

codec_h_open Open codec devices by file name

Parameters:
[in] port_addr File name of codec device
[in] flags Open flags
Returns:
The handler of codec device

Definition at line 34 of file codec_h_ctrl.c.

Referenced by codec_init_cntl(), and codec_init_sub().

int codec_h_read ( CODEC_HANDLE  handle,
void *  buffer,
int  size 
)

codec_h_read Read data from codec devices

Parameters:
[in] handle Codec device handler
[out] buffer Buffer for the data read from codec device
[in] size Size of the data to be read
Returns:
read length or fail if < 0

Definition at line 119 of file codec_h_ctrl.c.

Referenced by codec_read(), codec_read_sub_data(), and codec_read_sub_data_fd().

int codec_h_write ( CODEC_HANDLE  handle,
void *  buffer,
int  size 
)

codec_h_write Write data to codec devices

Parameters:
[in] handle Codec device handler
[out] buffer Buffer for the data to be written to codec device
[in] size Size of the data to be written
Returns:
write length or fail if < 0

Definition at line 137 of file codec_h_ctrl.c.

Referenced by codec_write(), and codec_write_sub_data().

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