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1/* SPDX-License-Identifier: LGPL-2.1 */2/*3 * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved.4 */5 6#ifndef CODEC_V4L2_FWHT_H7#define CODEC_V4L2_FWHT_H8 9#include "codec-fwht.h"10 11struct v4l2_fwht_pixfmt_info {12 u32 id;13 unsigned int bytesperline_mult;14 unsigned int sizeimage_mult;15 unsigned int sizeimage_div;16 unsigned int luma_alpha_step;17 unsigned int chroma_step;18 /* Chroma plane subsampling */19 unsigned int width_div;20 unsigned int height_div;21 unsigned int components_num;22 unsigned int planes_num;23 unsigned int pixenc;24};25 26struct v4l2_fwht_state {27 const struct v4l2_fwht_pixfmt_info *info;28 unsigned int visible_width;29 unsigned int visible_height;30 unsigned int coded_width;31 unsigned int coded_height;32 unsigned int stride;33 unsigned int ref_stride;34 unsigned int gop_size;35 unsigned int gop_cnt;36 u16 i_frame_qp;37 u16 p_frame_qp;38 39 enum v4l2_colorspace colorspace;40 enum v4l2_ycbcr_encoding ycbcr_enc;41 enum v4l2_xfer_func xfer_func;42 enum v4l2_quantization quantization;43 44 struct fwht_raw_frame ref_frame;45 struct fwht_cframe_hdr header;46 u8 *compressed_frame;47 u64 ref_frame_ts;48};49 50const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat);51const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx);52bool v4l2_fwht_validate_fmt(const struct v4l2_fwht_pixfmt_info *info,53 u32 width_div, u32 height_div, u32 components_num,54 u32 pixenc);55const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_nth_fmt(u32 width_div,56 u32 height_div,57 u32 components_num,58 u32 pixenc,59 unsigned int start_idx);60 61int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out);62int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out);63 64#endif65