1*4882a593Smuzhiyun /* SPDX-License-Identifier: LGPL-2.1 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved. 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef CODEC_V4L2_FWHT_H 7*4882a593Smuzhiyun #define CODEC_V4L2_FWHT_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #include "codec-fwht.h" 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun struct v4l2_fwht_pixfmt_info { 12*4882a593Smuzhiyun u32 id; 13*4882a593Smuzhiyun unsigned int bytesperline_mult; 14*4882a593Smuzhiyun unsigned int sizeimage_mult; 15*4882a593Smuzhiyun unsigned int sizeimage_div; 16*4882a593Smuzhiyun unsigned int luma_alpha_step; 17*4882a593Smuzhiyun unsigned int chroma_step; 18*4882a593Smuzhiyun /* Chroma plane subsampling */ 19*4882a593Smuzhiyun unsigned int width_div; 20*4882a593Smuzhiyun unsigned int height_div; 21*4882a593Smuzhiyun unsigned int components_num; 22*4882a593Smuzhiyun unsigned int planes_num; 23*4882a593Smuzhiyun unsigned int pixenc; 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct v4l2_fwht_state { 27*4882a593Smuzhiyun const struct v4l2_fwht_pixfmt_info *info; 28*4882a593Smuzhiyun unsigned int visible_width; 29*4882a593Smuzhiyun unsigned int visible_height; 30*4882a593Smuzhiyun unsigned int coded_width; 31*4882a593Smuzhiyun unsigned int coded_height; 32*4882a593Smuzhiyun unsigned int stride; 33*4882a593Smuzhiyun unsigned int ref_stride; 34*4882a593Smuzhiyun unsigned int gop_size; 35*4882a593Smuzhiyun unsigned int gop_cnt; 36*4882a593Smuzhiyun u16 i_frame_qp; 37*4882a593Smuzhiyun u16 p_frame_qp; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun enum v4l2_colorspace colorspace; 40*4882a593Smuzhiyun enum v4l2_ycbcr_encoding ycbcr_enc; 41*4882a593Smuzhiyun enum v4l2_xfer_func xfer_func; 42*4882a593Smuzhiyun enum v4l2_quantization quantization; 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun struct fwht_raw_frame ref_frame; 45*4882a593Smuzhiyun struct fwht_cframe_hdr header; 46*4882a593Smuzhiyun u8 *compressed_frame; 47*4882a593Smuzhiyun u64 ref_frame_ts; 48*4882a593Smuzhiyun }; 49*4882a593Smuzhiyun 50*4882a593Smuzhiyun const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat); 51*4882a593Smuzhiyun const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx); 52*4882a593Smuzhiyun bool v4l2_fwht_validate_fmt(const struct v4l2_fwht_pixfmt_info *info, 53*4882a593Smuzhiyun u32 width_div, u32 height_div, u32 components_num, 54*4882a593Smuzhiyun u32 pixenc); 55*4882a593Smuzhiyun const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_nth_fmt(u32 width_div, 56*4882a593Smuzhiyun u32 height_div, 57*4882a593Smuzhiyun u32 components_num, 58*4882a593Smuzhiyun u32 pixenc, 59*4882a593Smuzhiyun unsigned int start_idx); 60*4882a593Smuzhiyun 61*4882a593Smuzhiyun int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out); 62*4882a593Smuzhiyun int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out); 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun #endif 65