bttv-vbi.c File Reference

#include <linux/module.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/kdev_t.h>
#include <media/v4l2-ioctl.h>
#include <asm/io.h>
#include "bttvp.h"

Go to the source code of this file.

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	VBI_OFFSET   244
#define	VBI_BPL   2048
#define	VBI_DEFLINES   16
#define	dprintk(fmt,...)
#define	IMAGE_SIZE(fmt)   (((fmt)->count[0] + (fmt)->count[1]) * (fmt)->samples_per_line)

Functions
	module_param (vbibufs, int, 0444)
	module_param (vbi_debug, int, 0644)
	MODULE_PARM_DESC (vbibufs,"number of vbi buffers, range 2-32, default 4")
	MODULE_PARM_DESC (vbi_debug,"vbi code debug messages, default is 0 (no)")
int	bttv_try_fmt_vbi_cap (struct file *file, void *f, struct v4l2_format *frt)
int	bttv_s_fmt_vbi_cap (struct file *file, void *f, struct v4l2_format *frt)
int	bttv_g_fmt_vbi_cap (struct file *file, void *f, struct v4l2_format *frt)
void	bttv_vbi_fmt_reset (struct bttv_vbi_fmt *f, unsigned int norm)

Variables
struct videobuf_queue_ops	bttv_vbi_qops

Macro Definition Documentation

#define dprintk	(		fmt,
			...
	)

Value:

do {                                    \
    if (vbi_debug)                          \
        pr_debug("%d: " fmt, btv->c.nr, ##__VA_ARGS__);     \
} while (0)

Definition at line 70 of file bttv-vbi.c.

#define IMAGE_SIZE

(

fmt

)

(((fmt)->count[0] + (fmt)->count[1]) * (fmt)->samples_per_line)

Definition at line 76 of file bttv-vbi.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 26 of file bttv-vbi.c.

#define VBI_BPL   2048

Definition at line 54 of file bttv-vbi.c.

#define VBI_DEFLINES   16

Definition at line 57 of file bttv-vbi.c.

#define VBI_OFFSET   244

Definition at line 47 of file bttv-vbi.c.

Function Documentation

int bttv_g_fmt_vbi_cap	(	struct file *	file,
		void *	f,
		struct v4l2_format *	frt
	)

Definition at line 378 of file bttv-vbi.c.

int bttv_s_fmt_vbi_cap	(	struct file *	file,
		void *	f,
		struct v4l2_format *	frt
	)

Definition at line 330 of file bttv-vbi.c.

int bttv_try_fmt_vbi_cap	(	struct file *	file,
		void *	f,
		struct v4l2_format *	frt
	)

Definition at line 312 of file bttv-vbi.c.

void bttv_vbi_fmt_reset	(	struct bttv_vbi_fmt *	f,
		unsigned int	norm
	)

Definition at line 419 of file bttv-vbi.c.

module_param	(	vbibufs	,
		int	,
		0444
	)

module_param	(	vbi_debug	,
		int	,
		0644
	)

MODULE_PARM_DESC	(	vbibufs	,
		"number of vbi	buffers,
		range 2-	32,
		default 4"
	)

MODULE_PARM_DESC	(	vbi_debug	,
		"vbi code debug	messages,
		default is 0(no)"
	)

Variable Documentation

struct videobuf_queue_ops bttv_vbi_qops

Initial value:

= {
    .buf_setup    = vbi_buffer_setup,
    .buf_prepare  = vbi_buffer_prepare,
    .buf_queue    = vbi_buffer_queue,
    .buf_release  = vbi_buffer_release,
}

Definition at line 236 of file bttv-vbi.c.