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- #ifndef _MEDIA_VIDEOBUF2_V4L2_H
- #define _MEDIA_VIDEOBUF2_V4L2_H
- #include <linux/videodev2.h>
- #include <media/videobuf2-core.h>
- #if VB2_MAX_FRAME != VIDEO_MAX_FRAME
- #error VB2_MAX_FRAME != VIDEO_MAX_FRAME
- #endif
- #if VB2_MAX_PLANES != VIDEO_MAX_PLANES
- #error VB2_MAX_PLANES != VIDEO_MAX_PLANES
- #endif
- struct vb2_v4l2_buffer {
- struct vb2_buffer vb2_buf;
- __u32 flags;
- __u32 field;
- struct v4l2_timecode timecode;
- __u32 sequence;
- };
- #define to_vb2_v4l2_buffer(vb) \
- container_of(vb, struct vb2_v4l2_buffer, vb2_buf)
- int vb2_querybuf(struct vb2_queue *q, struct v4l2_buffer *b);
- int vb2_reqbufs(struct vb2_queue *q, struct v4l2_requestbuffers *req);
- int vb2_create_bufs(struct vb2_queue *q, struct v4l2_create_buffers *create);
- int vb2_prepare_buf(struct vb2_queue *q, struct v4l2_buffer *b);
- int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b);
- int vb2_expbuf(struct vb2_queue *q, struct v4l2_exportbuffer *eb);
- int vb2_dqbuf(struct vb2_queue *q, struct v4l2_buffer *b, bool nonblocking);
- int vb2_streamon(struct vb2_queue *q, enum v4l2_buf_type type);
- int vb2_streamoff(struct vb2_queue *q, enum v4l2_buf_type type);
- int __must_check vb2_queue_init(struct vb2_queue *q);
- void vb2_queue_release(struct vb2_queue *q);
- unsigned int vb2_poll(struct vb2_queue *q, struct file *file,
- poll_table *wait);
- int vb2_ioctl_reqbufs(struct file *file, void *priv,
- struct v4l2_requestbuffers *p);
- int vb2_ioctl_create_bufs(struct file *file, void *priv,
- struct v4l2_create_buffers *p);
- int vb2_ioctl_prepare_buf(struct file *file, void *priv,
- struct v4l2_buffer *p);
- int vb2_ioctl_querybuf(struct file *file, void *priv, struct v4l2_buffer *p);
- int vb2_ioctl_qbuf(struct file *file, void *priv, struct v4l2_buffer *p);
- int vb2_ioctl_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p);
- int vb2_ioctl_streamon(struct file *file, void *priv, enum v4l2_buf_type i);
- int vb2_ioctl_streamoff(struct file *file, void *priv, enum v4l2_buf_type i);
- int vb2_ioctl_expbuf(struct file *file, void *priv,
- struct v4l2_exportbuffer *p);
- int vb2_fop_mmap(struct file *file, struct vm_area_struct *vma);
- int vb2_fop_release(struct file *file);
- int _vb2_fop_release(struct file *file, struct mutex *lock);
- ssize_t vb2_fop_write(struct file *file, const char __user *buf,
- size_t count, loff_t *ppos);
- ssize_t vb2_fop_read(struct file *file, char __user *buf,
- size_t count, loff_t *ppos);
- unsigned int vb2_fop_poll(struct file *file, poll_table *wait);
- #ifndef CONFIG_MMU
- unsigned long vb2_fop_get_unmapped_area(struct file *file, unsigned long addr,
- unsigned long len, unsigned long pgoff, unsigned long flags);
- #endif
- void vb2_ops_wait_prepare(struct vb2_queue *vq);
- void vb2_ops_wait_finish(struct vb2_queue *vq);
- #endif /* _MEDIA_VIDEOBUF2_V4L2_H */
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