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/* SPDX-License-Identifier: LGPL-2.1 */
/*
* Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
*/
#ifndef CODEC_V4L2_FWHT_H
#define CODEC_V4L2_FWHT_H
#include "codec-fwht.h"
struct v4l2_fwht_pixfmt_info {
u32 id;
unsigned int bytesperline_mult;
unsigned int sizeimage_mult;
unsigned int sizeimage_div;
unsigned int luma_alpha_step;
unsigned int chroma_step;
/* Chroma plane subsampling */
unsigned int width_div;
unsigned int height_div;
unsigned int components_num;
unsigned int planes_num;
unsigned int pixenc;
};
struct v4l2_fwht_state {
const struct v4l2_fwht_pixfmt_info *info;
unsigned int visible_width;
unsigned int visible_height;
unsigned int coded_width;
unsigned int coded_height;
unsigned int stride;
unsigned int ref_stride;
unsigned int gop_size;
unsigned int gop_cnt;
u16 i_frame_qp;
u16 p_frame_qp;
enum v4l2_colorspace colorspace;
enum v4l2_ycbcr_encoding ycbcr_enc;
enum v4l2_xfer_func xfer_func;
enum v4l2_quantization quantization;
struct fwht_raw_frame ref_frame;
struct fwht_cframe_hdr header;
u8 *compressed_frame;
u64 ref_frame_ts;
};
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat);
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx);
bool v4l2_fwht_validate_fmt(const struct v4l2_fwht_pixfmt_info *info,
u32 width_div, u32 height_div, u32 components_num,
u32 pixenc);
const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_nth_fmt(u32 width_div,
u32 height_div,
u32 components_num,
u32 pixenc,
unsigned int start_idx);
int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out);
int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out);
#endif
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