From d9927380ed7c8366f762049be9f3fee225860833 Mon Sep 17 00:00:00 2001
From: liyujie <2352380935@qq.com>
Date: Thu, 28 Aug 2025 12:04:16 +0000
Subject: [PATCH] [2/4]解决USB摄像头打开相机预览界面绿屏
---
android/hardware/aw/camera/3_4/common.cpp | 33 +++++++++++++++++++++++++++++++++
1 files changed, 33 insertions(+), 0 deletions(-)
diff --git a/android/hardware/aw/camera/3_4/common.cpp b/android/hardware/aw/camera/3_4/common.cpp
index 667e909..ba610b0 100755
--- a/android/hardware/aw/camera/3_4/common.cpp
+++ b/android/hardware/aw/camera/3_4/common.cpp
@@ -57,6 +57,39 @@
}
}
+bool saveBuffers(const char *path,
+ void *y_addr,
+ void *cr_addr,
+ unsigned int y_size,
+ unsigned int cr_size,
+ bool is_oneframe) {
+ int fd;
+ HAL_LOGD("Debug to save a frame!");
+ if((access(path, 0) != -1) && (is_oneframe)) {
+ HAL_LOGD("File %s is exists!!!\n", path);
+ }
+ if(is_oneframe)
+ fd = open(path, O_CREAT|O_RDWR|O_TRUNC, 0777); //save one frame data
+ else
+ fd = open(path, O_CREAT|O_RDWR|O_APPEND, 0777); //save more frames
+ if(!fd) {
+ HAL_LOGE("Open file error");
+ return false;
+ }
+ if(write(fd, y_addr, y_size)){
+ HAL_LOGD("Write Y data successfully");
+ if(write(fd, cr_addr, cr_size)){
+ HAL_LOGD("Write U data successfully");
+ close(fd);
+ return true;
+ }
+ }
+ HAL_LOGE("Write file fail");
+ close(fd);
+ return false;
+}
+
+
bool saveSizes(int width, int height) {
int fd;
char buf[128];
--
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