uvc_queue.c File Reference

#include <linux/atomic.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/usb.h>
#include <linux/videodev2.h>
#include <linux/vmalloc.h>
#include <linux/wait.h>
#include <media/videobuf2-vmalloc.h>
#include "uvcvideo.h"

Go to the source code of this file.

Functions
int	uvc_queue_init (struct uvc_video_queue *queue, enum v4l2_buf_type type, int drop_corrupted)
int	uvc_alloc_buffers (struct uvc_video_queue *queue, struct v4l2_requestbuffers *rb)
void	uvc_free_buffers (struct uvc_video_queue *queue)
int	uvc_query_buffer (struct uvc_video_queue *queue, struct v4l2_buffer *buf)
int	uvc_queue_buffer (struct uvc_video_queue *queue, struct v4l2_buffer *buf)
int	uvc_dequeue_buffer (struct uvc_video_queue *queue, struct v4l2_buffer *buf, int nonblocking)
int	uvc_queue_mmap (struct uvc_video_queue *queue, struct vm_area_struct *vma)
unsigned long	uvc_queue_get_unmapped_area (struct uvc_video_queue *queue, unsigned long pgoff)
unsigned int	uvc_queue_poll (struct uvc_video_queue *queue, struct file *file, poll_table *wait)
int	uvc_queue_allocated (struct uvc_video_queue *queue)
int	uvc_queue_enable (struct uvc_video_queue *queue, int enable)
void	uvc_queue_cancel (struct uvc_video_queue *queue, int disconnect)
struct uvc_buffer *	uvc_queue_next_buffer (struct uvc_video_queue *queue, struct uvc_buffer *buf)

Function Documentation

int uvc_alloc_buffers	(	struct uvc_video_queue *	queue,
		struct v4l2_requestbuffers *	rb
	)

Definition at line 152 of file uvc_queue.c.

int uvc_dequeue_buffer	(	struct uvc_video_queue *	queue,
		struct v4l2_buffer *	buf,
		int	nonblocking
	)

Definition at line 193 of file uvc_queue.c.

void uvc_free_buffers

(

struct uvc_video_queue *

queue

)

Definition at line 164 of file uvc_queue.c.

int uvc_query_buffer	(	struct uvc_video_queue *	queue,
		struct v4l2_buffer *	buf
	)

Definition at line 171 of file uvc_queue.c.

int uvc_queue_allocated

(

struct uvc_video_queue *

queue

)

Definition at line 248 of file uvc_queue.c.

int uvc_queue_buffer	(	struct uvc_video_queue *	queue,
		struct v4l2_buffer *	buf
	)

Definition at line 182 of file uvc_queue.c.

void uvc_queue_cancel	(	struct uvc_video_queue *	queue,
		int	disconnect
	)

Definition at line 314 of file uvc_queue.c.

int uvc_queue_enable	(	struct uvc_video_queue *	queue,
		int	enable
	)

Definition at line 275 of file uvc_queue.c.

unsigned long uvc_queue_get_unmapped_area	(	struct uvc_video_queue *	queue,
		unsigned long	pgoff
	)

Definition at line 217 of file uvc_queue.c.

int uvc_queue_init	(	struct uvc_video_queue *	queue,
		enum v4l2_buf_type	type,
		int	drop_corrupted
	)

Definition at line 125 of file uvc_queue.c.

int uvc_queue_mmap	(	struct uvc_video_queue *	queue,
		struct vm_area_struct *	vma
	)

Definition at line 205 of file uvc_queue.c.

struct uvc_buffer* uvc_queue_next_buffer ( struct uvc_video_queue *  queue, struct uvc_buffer *  buf  )

read

Definition at line 338 of file uvc_queue.c.

unsigned int uvc_queue_poll	(	struct uvc_video_queue *	queue,
		struct file *	file,
		poll_table *	wait
	)

Definition at line 229 of file uvc_queue.c.