添加视频压缩代码

others/C/video_compression/src/logger.c

@@ -0,0 +1,61 @@
+#include "logger.h"
+#include <time.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+
+static FILE* log_file = NULL;
+static LogLevel current_level = LOG_INFO;
+
+void logger_init(const char* log_file_path) {
+    if (log_file_path != NULL) {
+        log_file = fopen(log_file_path, "a");
+    } else {
+        log_file = stdout;
+    }
+}
+
+void logger_set_level(LogLevel level) {
+    current_level = level;
+}
+
+void logger_log(LogLevel level, const char* format, ...) {
+    if (log_file == NULL || level < current_level) {
+        return;
+    }
+
+    // 获取当前时间
+    time_t now;
+    time(&now);
+    char time_str[20];
+    strftime(time_str, sizeof(time_str), "%Y-%m-%d %H:%M:%S", localtime(&now));
+
+    // 日志级别字符串
+    const char* level_str;
+    switch (level) {
+        case LOG_DEBUG: level_str = "DEBUG"; break;
+        case LOG_INFO: level_str = "INFO"; break;
+        case LOG_WARNING: level_str = "WARNING"; break;
+        case LOG_ERROR: level_str = "ERROR"; break;
+        default: level_str = "UNKNOWN"; break;
+    }
+
+    // 写入时间戳和日志级别
+    fprintf(log_file, "[%s] [%s] ", time_str, level_str);
+
+    // 写入日志内容
+    va_list args;
+    va_start(args, format);
+    vfprintf(log_file, format, args);
+    va_end(args);
+
+    fprintf(log_file, "\n");
+    fflush(log_file);
+}
+
+void logger_close() {
+    if (log_file != NULL && log_file != stdout) {
+        fclose(log_file);
+    }
+    log_file = NULL;
+}