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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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