mirror of
https://github.com/thead-yocto-mirror/csi_hal
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70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
/*
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* Copyright (C) 2021 Alibaba Group Holding Limited
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* Author: LuChongzhi <chongzhi.lcz@alibaba-inc.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __CSI_CAMERA_FRAME_H__
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#define __CSI_CAMERA_FRAME_H__
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#include <stddef.h>
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#include <stdbool.h>
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#include <sys/time.h>
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#include "csi_frame.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define CSI_CAMERA_META_MAX_LEN 1024
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typedef enum csi_camera_meta_id {
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CSI_CAMERA_META_ID_CAMERA_NAME = (1<<0), /* str_value */
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CSI_CAMERA_META_ID_CHANNEL_ID = (1<<1), /* uint_value */
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CSI_CAMERA_META_ID_FRAME_ID = (1<<2), /* uint_value: Re-Count from zero when start() */
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CSI_CAMERA_META_ID_TIMESTAMP = (1<<3), /* time_value: Get from gettimeofday() */
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CSI_CAMERA_META_ID_HDR = (1<<4), /* bool_value */
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} csi_camera_meta_id_e;
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#define CSI_CAMERA_META_NO_FIELD 0
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#define CSI_CAMERA_META_DEFAULT_FIELDS (CSI_CAMERA_META_ID_CAMERA_NAME | \
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CSI_CAMERA_META_ID_CHANNEL_ID | \
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CSI_CAMERA_META_ID_FRAME_ID | \
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CSI_CAMERA_META_ID_TIMESTAMP)
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typedef struct csi_camrea_meta_unit {
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csi_camera_meta_id_e id;
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csi_meta_value_type_e type;
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union {
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bool bool_value;
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int int_value;
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unsigned int uint_value;
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char str_value[32];
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struct timeval time_value;
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};
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} csi_camera_meta_unit_s;
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typedef struct csi_camera_meta {
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unsigned int count;
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size_t size;
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csi_camera_meta_unit_s *units; // Is meta_unit array head
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} csi_camera_meta_s;
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int csi_camera_frame_alloc_meta(csi_camera_meta_s **meta, int meta_count, size_t *meta_data_size);
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int csi_camera_frame_free_meta(csi_camera_meta_s *meta);
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int csi_camera_frame_get_meta_unit(csi_camera_meta_unit_s *meta_unit,
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csi_camera_meta_s *meta_data,
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csi_camera_meta_id_e meta_field);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __CSI_CAMERA_FRAME_H__ */
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