LXR linux/drivers/media/test-drivers/vicodec/codec-v4l2-fwht.h

   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_H
   7#define CODEC_V4L2_FWHT_H
   8
   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#endif
  65