6f6ee98188
* ESP-IDF da2116f + esp32-camera f8f26ab +BLE b232e7f * Fix fail compilation due to missing cpp guard
127 lines
4.7 KiB
C
127 lines
4.7 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
#ifndef _IMG_CONVERTERS_H_
|
|
#define _IMG_CONVERTERS_H_
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <stddef.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "esp_camera.h"
|
|
|
|
typedef size_t (* jpg_out_cb)(void * arg, size_t index, const void* data, size_t len);
|
|
|
|
/**
|
|
* @brief Convert image buffer to JPEG
|
|
*
|
|
* @param src Source buffer in RGB565, RGB888, YUYV or GRAYSCALE format
|
|
* @param src_len Length in bytes of the source buffer
|
|
* @param width Width in pixels of the source image
|
|
* @param height Height in pixels of the source image
|
|
* @param format Format of the source image
|
|
* @param quality JPEG quality of the resulting image
|
|
* @param cp Callback to be called to write the bytes of the output JPEG
|
|
* @param arg Pointer to be passed to the callback
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool fmt2jpg_cb(uint8_t *src, size_t src_len, uint16_t width, uint16_t height, pixformat_t format, uint8_t quality, jpg_out_cb cb, void * arg);
|
|
|
|
/**
|
|
* @brief Convert camera frame buffer to JPEG
|
|
*
|
|
* @param fb Source camera frame buffer
|
|
* @param quality JPEG quality of the resulting image
|
|
* @param cp Callback to be called to write the bytes of the output JPEG
|
|
* @param arg Pointer to be passed to the callback
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool frame2jpg_cb(camera_fb_t * fb, uint8_t quality, jpg_out_cb cb, void * arg);
|
|
|
|
/**
|
|
* @brief Convert image buffer to JPEG buffer
|
|
*
|
|
* @param src Source buffer in RGB565, RGB888, YUYV or GRAYSCALE format
|
|
* @param src_len Length in bytes of the source buffer
|
|
* @param width Width in pixels of the source image
|
|
* @param height Height in pixels of the source image
|
|
* @param format Format of the source image
|
|
* @param quality JPEG quality of the resulting image
|
|
* @param out Pointer to be populated with the address of the resulting buffer
|
|
* @param out_len Pointer to be populated with the length of the output buffer
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool fmt2jpg(uint8_t *src, size_t src_len, uint16_t width, uint16_t height, pixformat_t format, uint8_t quality, uint8_t ** out, size_t * out_len);
|
|
|
|
/**
|
|
* @brief Convert camera frame buffer to JPEG buffer
|
|
*
|
|
* @param fb Source camera frame buffer
|
|
* @param quality JPEG quality of the resulting image
|
|
* @param out Pointer to be populated with the address of the resulting buffer
|
|
* @param out_len Pointer to be populated with the length of the output buffer
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool frame2jpg(camera_fb_t * fb, uint8_t quality, uint8_t ** out, size_t * out_len);
|
|
|
|
/**
|
|
* @brief Convert image buffer to BMP buffer
|
|
*
|
|
* @param src Source buffer in JPEG, RGB565, RGB888, YUYV or GRAYSCALE format
|
|
* @param src_len Length in bytes of the source buffer
|
|
* @param width Width in pixels of the source image
|
|
* @param height Height in pixels of the source image
|
|
* @param format Format of the source image
|
|
* @param out Pointer to be populated with the address of the resulting buffer
|
|
* @param out_len Pointer to be populated with the length of the output buffer
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool fmt2bmp(uint8_t *src, size_t src_len, uint16_t width, uint16_t height, pixformat_t format, uint8_t ** out, size_t * out_len);
|
|
|
|
/**
|
|
* @brief Convert camera frame buffer to BMP buffer
|
|
*
|
|
* @param fb Source camera frame buffer
|
|
* @param out Pointer to be populated with the address of the resulting buffer
|
|
* @param out_len Pointer to be populated with the length of the output buffer
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool frame2bmp(camera_fb_t * fb, uint8_t ** out, size_t * out_len);
|
|
|
|
/**
|
|
* @brief Convert image buffer to RGB888 buffer (used for face detection)
|
|
*
|
|
* @param src Source buffer in JPEG, RGB565, RGB888, YUYV or GRAYSCALE format
|
|
* @param src_len Length in bytes of the source buffer
|
|
* @param format Format of the source image
|
|
* @param rgb_buf Pointer to the output buffer (width * height * 3)
|
|
*
|
|
* @return true on success
|
|
*/
|
|
bool fmt2rgb888(const uint8_t *src_buf, size_t src_len, pixformat_t format, uint8_t * rgb_buf);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _IMG_CONVERTERS_H_ */
|