| /* 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 |
