include/media/drv-intf/cx2341x.h

Source file repositories/reference/linux-study-clean/include/media/drv-intf/cx2341x.h

File Facts

System
Linux kernel
Corpus path
include/media/drv-intf/cx2341x.h
Extension
.h
Size
9273 bytes
Lines
284
Domain
Repository Root And Misc
Bucket
include
Inferred role
Repository Root And Misc: implementation source
Status
source implementation candidate

Why This File Exists

Top-level or miscellaneous repository surface. Use this as map coverage unless a later manual pass promotes the file into a deeper subsystem dossier.

Dependency Surface

Detected Declarations

Annotated Snippet

struct cx2341x_mpeg_params {
	/* misc */
	u32 capabilities;
	enum cx2341x_port port;
	u16 width;
	u16 height;
	u16 is_50hz;

	/* stream */
	enum v4l2_mpeg_stream_type stream_type;
	enum v4l2_mpeg_stream_vbi_fmt stream_vbi_fmt;
	u16 stream_insert_nav_packets;

	/* audio */
	enum v4l2_mpeg_audio_sampling_freq audio_sampling_freq;
	enum v4l2_mpeg_audio_encoding audio_encoding;
	enum v4l2_mpeg_audio_l2_bitrate audio_l2_bitrate;
	enum v4l2_mpeg_audio_ac3_bitrate audio_ac3_bitrate;
	enum v4l2_mpeg_audio_mode audio_mode;
	enum v4l2_mpeg_audio_mode_extension audio_mode_extension;
	enum v4l2_mpeg_audio_emphasis audio_emphasis;
	enum v4l2_mpeg_audio_crc audio_crc;
	u32 audio_properties;
	u16 audio_mute;

	/* video */
	enum v4l2_mpeg_video_encoding video_encoding;
	enum v4l2_mpeg_video_aspect video_aspect;
	u16 video_b_frames;
	u16 video_gop_size;
	u16 video_gop_closure;
	enum v4l2_mpeg_video_bitrate_mode video_bitrate_mode;
	u32 video_bitrate;
	u32 video_bitrate_peak;
	u16 video_temporal_decimation;
	u16 video_mute;
	u32 video_mute_yuv;

	/* encoding filters */
	enum v4l2_mpeg_cx2341x_video_spatial_filter_mode video_spatial_filter_mode;
	u16 video_spatial_filter;
	enum v4l2_mpeg_cx2341x_video_luma_spatial_filter_type video_luma_spatial_filter_type;
	enum v4l2_mpeg_cx2341x_video_chroma_spatial_filter_type video_chroma_spatial_filter_type;
	enum v4l2_mpeg_cx2341x_video_temporal_filter_mode video_temporal_filter_mode;
	u16 video_temporal_filter;
	enum v4l2_mpeg_cx2341x_video_median_filter_type video_median_filter_type;
	u16 video_luma_median_filter_top;
	u16 video_luma_median_filter_bottom;
	u16 video_chroma_median_filter_top;
	u16 video_chroma_median_filter_bottom;
};

#define CX2341X_MBOX_MAX_DATA 16

extern const u32 cx2341x_mpeg_ctrls[];
typedef int (*cx2341x_mbox_func)(void *priv, u32 cmd, int in, int out,
		u32 data[CX2341X_MBOX_MAX_DATA]);
int cx2341x_update(void *priv, cx2341x_mbox_func func,
		const struct cx2341x_mpeg_params *old,
		const struct cx2341x_mpeg_params *new);
int cx2341x_ctrl_query(const struct cx2341x_mpeg_params *params,
		struct v4l2_queryctrl *qctrl);
const char * const *cx2341x_ctrl_get_menu(const struct cx2341x_mpeg_params *p, u32 id);
int cx2341x_ext_ctrls(struct cx2341x_mpeg_params *params, int busy,
		struct v4l2_ext_controls *ctrls, unsigned int cmd);
void cx2341x_fill_defaults(struct cx2341x_mpeg_params *p);
void cx2341x_log_status(const struct cx2341x_mpeg_params *p, const char *prefix);

struct cx2341x_handler;

struct cx2341x_handler_ops {
	/* needed for the video clock freq */
	int (*s_audio_sampling_freq)(struct cx2341x_handler *hdl, u32 val);
	/* needed for dualwatch */
	int (*s_audio_mode)(struct cx2341x_handler *hdl, u32 val);
	/* needed for setting up the video resolution */
	int (*s_video_encoding)(struct cx2341x_handler *hdl, u32 val);
	/* needed for setting up the sliced vbi insertion data structures */
	int (*s_stream_vbi_fmt)(struct cx2341x_handler *hdl, u32 val);
};

struct cx2341x_handler {
	u32 capabilities;
	enum cx2341x_port port;
	u16 width;
	u16 height;
	u16 is_50hz;
	u32 audio_properties;

	struct v4l2_ctrl_handler hdl;

Annotation

Implementation Notes