include/uapi/linux/ivtv.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/ivtv.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/ivtv.h
Extension
.h
Size
3064 bytes
Lines
75
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

struct ivtv_dma_frame {
	enum v4l2_buf_type type; /* V4L2_BUF_TYPE_VIDEO_OUTPUT */
	__u32 pixelformat;	 /* 0 == same as destination */
	void __user *y_source;   /* if NULL and type == V4L2_BUF_TYPE_VIDEO_OUTPUT,
				    then just switch to user DMA YUV output mode */
	void __user *uv_source;  /* Unused for RGB pixelformats */
	struct v4l2_rect src;
	struct v4l2_rect dst;
	__u32 src_width;
	__u32 src_height;
};

#define IVTV_IOC_DMA_FRAME		_IOW ('V', BASE_VIDIOC_PRIVATE+0, struct ivtv_dma_frame)

/* Select the passthrough mode (if the argument is non-zero). In the passthrough
   mode the output of the encoder is passed immediately into the decoder. */
#define IVTV_IOC_PASSTHROUGH_MODE	_IOW ('V', BASE_VIDIOC_PRIVATE+1, int)

/* Deprecated defines: applications should use the defines from videodev2.h */
#define IVTV_SLICED_TYPE_TELETEXT_B     V4L2_MPEG_VBI_IVTV_TELETEXT_B
#define IVTV_SLICED_TYPE_CAPTION_525    V4L2_MPEG_VBI_IVTV_CAPTION_525
#define IVTV_SLICED_TYPE_WSS_625        V4L2_MPEG_VBI_IVTV_WSS_625
#define IVTV_SLICED_TYPE_VPS            V4L2_MPEG_VBI_IVTV_VPS

#endif /* _LINUX_IVTV_H */

Annotation

Implementation Notes