title: ESP32CAM读取视频

硬件准备

esp32cam(我是淘宝买的，买的套装带烧录底板和一个OV2640的摄像头,价格33)
数据线

软件准备

Arduion配置ESP32开发板
不懂怎么配置的点这里和这里
vscode + platformIO
上述两个平台根据自己习惯来，新手推荐使用Arduion
我这里使用的是vscode + platformIO

代码实现环境

在platformIO中下载esp32-cam这个库
打开Arduion中esp32中CAM的例子所在的文件夹然后复制所有文件到你platformIO的src文件夹下
大致是这样：
[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-bMXLVwz9-1656468311646)(https://i.niupic.com/images/2022/06/27/a0Im.jpg)]

代码

#include "esp_camera.h"
#include <WiFi.h>//
// WARNING!!! PSRAM IC required for UXGA resolution and high JPEG quality
//            Ensure ESP32 Wrover Module or other board with PSRAM is selected
//            Partial images will be transmitted if image exceeds buffer size
//
//            You must select partition scheme from the board menu that has at least 3MB APP space.
//            Face Recognition is DISABLED for ESP32 and ESP32-S2, because it takes up from 15
//            seconds to process single frame. Face Detection is ENABLED if PSRAM is enabled as well// ===================
// Select camera model
// ===================
//#define CAMERA_MODEL_WROVER_KIT // Has PSRAM
//#define CAMERA_MODEL_ESP_EYE // Has PSRAM
//#define CAMERA_MODEL_ESP32S3_EYE // Has PSRAM
//#define CAMERA_MODEL_M5STACK_PSRAM // Has PSRAM
//#define CAMERA_MODEL_M5STACK_V2_PSRAM // M5Camera version B Has PSRAM
//#define CAMERA_MODEL_M5STACK_WIDE // Has PSRAM
//#define CAMERA_MODEL_M5STACK_ESP32CAM // No PSRAM
//#define CAMERA_MODEL_M5STACK_UNITCAM // No PSRAM
#define CAMERA_MODEL_AI_THINKER // Has PSRAM
//#define CAMERA_MODEL_TTGO_T_JOURNAL // No PSRAM
// ** Espressif Internal Boards **
//#define CAMERA_MODEL_ESP32_CAM_BOARD
//#define CAMERA_MODEL_ESP32S2_CAM_BOARD
//#define CAMERA_MODEL_ESP32S3_CAM_LCD#include "camera_pins.h"// ===========================
// Enter your WiFi credentials
// ===========================
const char* ssid = "HONOR V20";
const char* password = "yubaolin";void startCameraServer();void setup() {Serial.begin(115200);Serial.setDebugOutput(true); Serial.println();camera_config_t config;config.ledc_channel = LEDC_CHANNEL_0;config.ledc_timer = LEDC_TIMER_0;config.pin_d0 = Y2_GPIO_NUM;config.pin_d1 = Y3_GPIO_NUM;config.pin_d2 = Y4_GPIO_NUM;config.pin_d3 = Y5_GPIO_NUM;config.pin_d4 = Y6_GPIO_NUM;config.pin_d5 = Y7_GPIO_NUM;config.pin_d6 = Y8_GPIO_NUM;config.pin_d7 = Y9_GPIO_NUM;config.pin_xclk = XCLK_GPIO_NUM;config.pin_pclk = PCLK_GPIO_NUM;config.pin_vsync = VSYNC_GPIO_NUM;config.pin_href = HREF_GPIO_NUM;config.pin_sscb_sda = SIOD_GPIO_NUM;config.pin_sscb_scl = SIOC_GPIO_NUM;config.pin_pwdn = PWDN_GPIO_NUM;config.pin_reset = RESET_GPIO_NUM;config.xclk_freq_hz = 20000000;config.frame_size = FRAMESIZE_UXGA;config.pixel_format = PIXFORMAT_JPEG; // for streaming//config.pixel_format = PIXFORMAT_RGB565; // for face detection/recognitionconfig.grab_mode = CAMERA_GRAB_WHEN_EMPTY;config.fb_location = CAMERA_FB_IN_PSRAM;config.jpeg_quality = 12;config.fb_count = 1;// if PSRAM IC present, init with UXGA resolution and higher JPEG quality//                      for larger pre-allocated frame buffer.if(config.pixel_format == PIXFORMAT_JPEG){if(psramFound()){config.jpeg_quality = 10;config.fb_count = 2;config.grab_mode = CAMERA_GRAB_LATEST;} else {// Limit the frame size when PSRAM is not availableconfig.frame_size = FRAMESIZE_SVGA;config.fb_location = CAMERA_FB_IN_DRAM;}} else {// Best option for face detection/recognitionconfig.frame_size = FRAMESIZE_240X240;
#if CONFIG_IDF_TARGET_ESP32S3config.fb_count = 2;
#endif}#if defined(CAMERA_MODEL_ESP_EYE)pinMode(13, INPUT_PULLUP);pinMode(14, INPUT_PULLUP);
#endif// camera initesp_err_t err = esp_camera_init(&config);if (err != ESP_OK) {Serial.printf("Camera init failed with error 0x%x", err);return;}sensor_t * s = esp_camera_sensor_get();// initial sensors are flipped vertically and colors are a bit saturatedif (s->id.PID == OV3660_PID) {s->set_vflip(s, 1); // flip it backs->set_brightness(s, 1); // up the brightness just a bits->set_saturation(s, -2); // lower the saturation}// drop down frame size for higher initial frame rateif(config.pixel_format == PIXFORMAT_JPEG){s->set_framesize(s, FRAMESIZE_QVGA);}#if defined(CAMERA_MODEL_M5STACK_WIDE) || defined(CAMERA_MODEL_M5STACK_ESP32CAM)s->set_vflip(s, 1);s->set_hmirror(s, 1);
#endif#if defined(CAMERA_MODEL_ESP32S3_EYE)s->set_vflip(s, 1);
#endifWiFi.begin(ssid, password);WiFi.setSleep(false);while (WiFi.status() != WL_CONNECTED) {delay(500);Serial.print(".");}Serial.println("");Serial.println("WiFi connected");startCameraServer();Serial.print("Camera Ready! Use 'http://");Serial.print(WiFi.localIP());Serial.println("' to connect");
}void loop() {// Do nothing. Everything is done in another task by the web serverdelay(10000);
}

结果

localIP());
Serial.println(“’ to connect”);
}

void loop() {
// Do nothing. Everything is done in another task by the web server
delay(10000);
}

# 结果
[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-ncQqmdXK-1656468311650)(https://i.niupic.com/images/2022/06/27/a0In.jpg)]

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使用ESP32CAM读取视频流

title: ESP32CAM读取视频

硬件准备

软件准备

代码实现环境

代码

结果

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