/* 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