drivers/media/test-drivers/visl/visl-dec.h

Source file repositories/reference/linux-study-clean/drivers/media/test-drivers/visl/visl-dec.h

File Facts

System
Linux kernel
Corpus path
drivers/media/test-drivers/visl/visl-dec.h
Extension
.h
Size
2020 bytes
Lines
79
Domain
Driver Families
Bucket
drivers/media
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct visl_fwht_run {
	const struct v4l2_ctrl_fwht_params *params;
};

struct visl_mpeg2_run {
	const struct v4l2_ctrl_mpeg2_sequence *seq;
	const struct v4l2_ctrl_mpeg2_picture *pic;
	const struct v4l2_ctrl_mpeg2_quantisation *quant;
};

struct visl_vp8_run {
	const struct v4l2_ctrl_vp8_frame *frame;
};

struct visl_vp9_run {
	const struct v4l2_ctrl_vp9_frame *frame;
	const struct v4l2_ctrl_vp9_compressed_hdr *probs;
};

struct visl_h264_run {
	const struct v4l2_ctrl_h264_sps *sps;
	const struct v4l2_ctrl_h264_pps *pps;
	const struct v4l2_ctrl_h264_scaling_matrix *sm;
	const struct v4l2_ctrl_h264_slice_params *spram;
	const struct v4l2_ctrl_h264_decode_params *dpram;
	const struct v4l2_ctrl_h264_pred_weights *pwht;
};

struct visl_hevc_run {
	const struct v4l2_ctrl_hevc_sps *sps;
	const struct v4l2_ctrl_hevc_pps *pps;
	const struct v4l2_ctrl_hevc_slice_params *spram;
	const struct v4l2_ctrl_hevc_scaling_matrix *sm;
	const struct v4l2_ctrl_hevc_decode_params *dpram;
	const struct v4l2_ctrl_hevc_ext_sps_lt_rps *rps_lt;
	const struct v4l2_ctrl_hevc_ext_sps_st_rps *rps_st;
};

struct visl_av1_run {
	const struct v4l2_ctrl_av1_sequence *seq;
	const struct v4l2_ctrl_av1_frame *frame;
	const struct v4l2_ctrl_av1_tile_group_entry *tge;
	const struct v4l2_ctrl_av1_film_grain *grain;
};

struct visl_run {
	struct vb2_v4l2_buffer	*src;
	struct vb2_v4l2_buffer	*dst;

	union {
		struct visl_fwht_run	fwht;
		struct visl_mpeg2_run	mpeg2;
		struct visl_vp8_run	vp8;
		struct visl_vp9_run	vp9;
		struct visl_h264_run	h264;
		struct visl_hevc_run	hevc;
		struct visl_av1_run	av1;
	};
};

int visl_dec_start(struct visl_ctx *ctx);
int visl_dec_stop(struct visl_ctx *ctx);
int visl_job_ready(void *priv);
void visl_device_run(void *priv);

#endif /* _VISL_DEC_H_ */

Annotation

Implementation Notes