mvpstb_api.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <string.h>
#include "mvpstb_mod.h"

Go to the source code of this file.

Functions
static int	mvpstb_open (void)
int	kern_read (unsigned long memaddr, void *buffaddr, unsigned int size)
	Read kernel data.
int	kern_write (unsigned long memaddr, void *buffaddr, unsigned int size)
	Write kernel data.
int	dcr_read (unsigned long regaddr, unsigned int *data)
	Read a DCR register.
int	dcr_write (unsigned long regaddr, unsigned int data)
	Write a DCR register.
int	mvpstb_set_lbox_offset (unsigned int offset)
	Set the offset for letterboxed output.
int	mvpstb_get_lbox_offset (unsigned int *offset)
	Get the offset for letterboxed output.
int	mvpmod_start_audit (unsigned long interval_ms)
	Start audio/video auditing.
int	mvpmod_stop_audit (void)
	Stop audio/video auditing.
int	mvpstb_get_vid_stc (unsigned long long *vstc)
	Get video system time code.
int	mvpstb_get_vid_pts (unsigned long long *vpts)
	Get video presentation time stamp.
int	mvpstb_get_aud_stc (unsigned long long *astc)
	Get audio system time code.
int	mvpstb_get_aud_pts (unsigned long long *apts)
	Get audio presentation time stamp.
int	mvpstb_set_video_sync (int on)
	Enable or disable video sync.
int	mvpstb_set_audio_sync (int on)
	Enable or disable audio sync.
int	mvpstb_audio_end (void)
	Determine if the end of audio hardware buffer has been reached.
int	mvpstb_video_end (void)
	Determine if the end of video hardware buffer has been reached.
Variables
static int	mvpstb_fd = -1

---

Function Documentation

int dcr_read (  unsigned long  regaddr, unsigned int *  data )

Read a DCR register. Parameters: regaddr  register address [out]  data  address to store data Return values: 0  success <0  error Definition at line 91 of file mvpstb_api.c. References mvpmod_iocrw::buff, mvpmod_iocrw::memaddr, MVPMOD_READ_DCR, mvpstb_fd, mvpstb_open(), and mvpmod_iocrw::res.

int dcr_write (  unsigned long  regaddr, unsigned int  data )

Write a DCR register. Parameters: regaddr  register address data  data to be written Return values: 0  success <0  error Definition at line 110 of file mvpstb_api.c. References mvpmod_iocrw::dint, mvpmod_iocrw::memaddr, MVPMOD_WRITE_DCR, mvpstb_fd, mvpstb_open(), and mvpmod_iocrw::res.

int kern_read (  unsigned long  memaddr, void *  buffaddr, unsigned int  size )

Read kernel data. Parameters: memaddr  kernel memory address [out]  buffaddr  address to store data size  size of buffaddr Return values: 0  success <0  error Definition at line 51 of file mvpstb_api.c. References mvpmod_iocrw::buff, mvpmod_iocrw::memaddr, MVPMOD_READL, mvpstb_fd, mvpstb_open(), and mvpmod_iocrw::res.

int kern_write (  unsigned long  memaddr, void *  buffaddr, unsigned int  size )

Write kernel data. Parameters: memaddr  kernel memory address buffaddr  data to be written size  size of buffaddr Return values: 0  success <0  error Definition at line 71 of file mvpstb_api.c. References mvpmod_iocrw::buff, mvpmod_iocrw::memaddr, MVPMOD_WRITEL, mvpstb_fd, mvpstb_open(), and mvpmod_iocrw::res.

int mvpmod_start_audit (  unsigned long  interval_ms  )

Start audio/video auditing. Parameters: interval_ms  audit interval in milliseconds Return values: 0  success <0  error Definition at line 145 of file mvpstb_api.c. References mvpmod_iocrw::info, MVPMOD_START_AUDIT, mvpstb_fd, and mvpstb_open().

int mvpmod_stop_audit (  void   )

Stop audio/video auditing. Return values: 0  success <0  error Definition at line 163 of file mvpstb_api.c. References MVPMOD_STOP_AUDIT, mvpstb_fd, and mvpstb_open().

int mvpstb_audio_end (  void   )

Determine if the end of audio hardware buffer has been reached. Return values: 0  not empty 1  empty -1  error Definition at line 281 of file mvpstb_api.c. References AUDIO_DSP_STATUS, and dcr_read(). Referenced by av_empty(), and sync_ac3_audio().

int mvpstb_get_aud_pts (  unsigned long long *  apts  )

Get audio presentation time stamp. Parameters: [out]  apts  output buffer Return values: 0  success <0  error Definition at line 232 of file mvpstb_api.c. References mvpmod_iocrw::buff, mvpmod_iocrw::info, MVPMOD_GET_TS, mvpstb_fd, mvpstb_open(), mvpmod_iocrw::res, and TS_AUDIO_PTS.

int mvpstb_get_aud_stc (  unsigned long long *  astc  )

Get audio system time code. Parameters: [out]  astc  output buffer Return values: 0  success <0  error Definition at line 214 of file mvpstb_api.c. References mvpmod_iocrw::buff, mvpmod_iocrw::info, MVPMOD_GET_TS, mvpstb_fd, mvpstb_open(), mvpmod_iocrw::res, and TS_AUDIO_STC.

int mvpstb_get_lbox_offset (  unsigned int *  offset  )

Get the offset for letterboxed output. Parameters: [out]  offset  offset in lines per field Return values: 0  success <0  error Definition at line 135 of file mvpstb_api.c. References dcr_read(), and VIDEO_LETTERBOX_OFFSET.

int mvpstb_get_vid_pts (  unsigned long long *  vpts  )

Get video presentation time stamp. Parameters: [out]  vpts  output buffer Return values: 0  success <0  error Definition at line 196 of file mvpstb_api.c. References mvpmod_iocrw::buff, mvpmod_iocrw::info, MVPMOD_GET_TS, mvpstb_fd, mvpstb_open(), mvpmod_iocrw::res, and TS_VIDEO_PTS.

int mvpstb_get_vid_stc (  unsigned long long *  vstc  )

Get video system time code. Parameters: [out]  vstc  output buffer Return values: 0  success <0  error Definition at line 179 of file mvpstb_api.c. References mvpmod_iocrw::buff, mvpmod_iocrw::info, MVPMOD_GET_TS, mvpstb_fd, mvpstb_open(), mvpmod_iocrw::res, and TS_VIDEO_STC.

static int mvpstb_open (  void   )  [inline, static]

Definition at line 36 of file mvpstb_api.c. References mvpstb_fd. Referenced by dcr_read(), dcr_write(), kern_read(), kern_write(), mvpmod_start_audit(), mvpmod_stop_audit(), mvpstb_get_aud_pts(), mvpstb_get_aud_stc(), mvpstb_get_vid_pts(), mvpstb_get_vid_stc(), mvpstb_set_audio_sync(), and mvpstb_set_video_sync().

int mvpstb_set_audio_sync (  int  on  )

Enable or disable audio sync. Parameters: on  1 to enable, 0 to disable Return values: 0  success <0  error Definition at line 268 of file mvpstb_api.c. References mvpmod_iocrw::info, MVPMOD_AUDIO, MVPMOD_SET_SYNC, mvpstb_fd, and mvpstb_open().

int mvpstb_set_lbox_offset (  unsigned int  offset  )

Set the offset for letterboxed output. Parameters: offset  offset in lines per field Return values: 0  success <0  error Definition at line 130 of file mvpstb_api.c. References dcr_write(), and VIDEO_LETTERBOX_OFFSET. Referenced by av_init_letterbox().

int mvpstb_set_video_sync (  int  on  )

Enable or disable video sync. Parameters: on  1 to enable, 0 to disable Return values: 0  success <0  error Definition at line 250 of file mvpstb_api.c. References mvpmod_iocrw::info, MVPMOD_SET_SYNC, MVPMOD_VIDEO, mvpstb_fd, and mvpstb_open().

int mvpstb_video_end (  void   )

Determine if the end of video hardware buffer has been reached. Return values: 0  not empty 1  empty -1  error Definition at line 294 of file mvpstb_api.c. References dcr_read(), and VIDEO_CLIP_WLR. Referenced by av_empty().

---

Variable Documentation

int mvpstb_fd = -1 [static]

Definition at line 29 of file mvpstb_api.c. Referenced by dcr_read(), dcr_write(), kern_read(), kern_write(), mvpmod_start_audit(), mvpmod_stop_audit(), mvpstb_get_aud_pts(), mvpstb_get_aud_stc(), mvpstb_get_vid_pts(), mvpstb_get_vid_stc(), mvpstb_open(), mvpstb_set_audio_sync(), and mvpstb_set_video_sync().

---