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camera 优化：在原有的RGB565处理下，容易超时改为JPEG格式 (#1029)

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* camera 优化

feat(camera): 修改摄像头配置为JPEG格式并优化图像处理逻辑

将摄像头输出格式从RGB565改为JPEG以提高传输效率，同时调整JPEG质量为10
重构预览图像处理逻辑，支持直接处理JPEG格式并自动转换为RGB565
优化Explain方法中的JPEG队列处理，减少内存分配和拷贝操作

* 修复代码缩进

调整代码缩进格式以提升可读性

* fix(esp32_camera): 修复RGB565格式预览图像的字节序问题

添加字节交换处理，将大端序转换为小端序，确保预览图像显示正确

* 使用旧的处理方式

* refactor(esp32_camera): 移除preview_buffer_直接使用preview_image_.data
This commit is contained in:
Dong Ning
2025-08-14 22:11:15 +08:00
committed by GitHub
parent 00dd89079b
commit d6b1414967
3 changed files with 78 additions and 30 deletions
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4
main/boards/bread-compact-wifi-s3cam/compact_wifi_board_s3cam.cc
View File

@@ -158,9 +158,9 @@ private:
config.pin_pwdn = CAMERA_PIN_PWDN;
config.pin_reset = CAMERA_PIN_RESET;
config.xclk_freq_hz = XCLK_FREQ_HZ;
config.pixel_format = PIXFORMAT_RGB565;
config.pixel_format = PIXFORMAT_JPEG;
config.frame_size = FRAMESIZE_QVGA;
config.jpeg_quality = 12;
config.jpeg_quality = 10;
config.fb_count = 1;
config.fb_location = CAMERA_FB_IN_PSRAM;
config.grab_mode = CAMERA_GRAB_WHEN_EMPTY;

2
main/boards/bread-compact-wifi-s3cam/config.h
View File

@@ -51,7 +51,7 @@
#define CAMERA_PIN_SIOD GPIO_NUM_4
#define CAMERA_PIN_PWDN GPIO_NUM_NC
#define CAMERA_PIN_RESET GPIO_NUM_NC
#define XCLK_FREQ_HZ 20000000
#define XCLK_FREQ_HZ 50000000
#define DISPLAY_BACKLIGHT_PIN GPIO_NUM_38