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64 lines
1.7 KiB
64 lines
1.7 KiB
/* SPDX-License-Identifier: LGPL-2.1 */ |
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/* |
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* Copyright 2018 Cisco Systems, Inc. and/or its affiliates. All rights reserved. |
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*/ |
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#ifndef CODEC_V4L2_FWHT_H |
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#define CODEC_V4L2_FWHT_H |
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#include "codec-fwht.h" |
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struct v4l2_fwht_pixfmt_info { |
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u32 id; |
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unsigned int bytesperline_mult; |
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unsigned int sizeimage_mult; |
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unsigned int sizeimage_div; |
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unsigned int luma_alpha_step; |
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unsigned int chroma_step; |
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/* Chroma plane subsampling */ |
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unsigned int width_div; |
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unsigned int height_div; |
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unsigned int components_num; |
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unsigned int planes_num; |
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unsigned int pixenc; |
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}; |
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struct v4l2_fwht_state { |
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const struct v4l2_fwht_pixfmt_info *info; |
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unsigned int visible_width; |
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unsigned int visible_height; |
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unsigned int coded_width; |
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unsigned int coded_height; |
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unsigned int stride; |
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unsigned int ref_stride; |
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unsigned int gop_size; |
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unsigned int gop_cnt; |
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u16 i_frame_qp; |
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u16 p_frame_qp; |
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enum v4l2_colorspace colorspace; |
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enum v4l2_ycbcr_encoding ycbcr_enc; |
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enum v4l2_xfer_func xfer_func; |
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enum v4l2_quantization quantization; |
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struct fwht_raw_frame ref_frame; |
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struct fwht_cframe_hdr header; |
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u8 *compressed_frame; |
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u64 ref_frame_ts; |
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}; |
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const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_pixfmt(u32 pixelformat); |
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const struct v4l2_fwht_pixfmt_info *v4l2_fwht_get_pixfmt(u32 idx); |
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bool v4l2_fwht_validate_fmt(const struct v4l2_fwht_pixfmt_info *info, |
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u32 width_div, u32 height_div, u32 components_num, |
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u32 pixenc); |
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const struct v4l2_fwht_pixfmt_info *v4l2_fwht_find_nth_fmt(u32 width_div, |
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u32 height_div, |
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u32 components_num, |
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u32 pixenc, |
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unsigned int start_idx); |
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int v4l2_fwht_encode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out); |
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int v4l2_fwht_decode(struct v4l2_fwht_state *state, u8 *p_in, u8 *p_out); |
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#endif
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