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防止重复创建截图

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This commit is contained in:
xiongziliang 2020-05-09 09:39:36 +08:00
parent 5b4d4dab96
commit abe1698601
1 changed files with 11 additions and 6 deletions
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17
server/WebApi.cpp
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@ -858,12 +858,17 @@ void installWebApi() {
//无截图或者截图已经过期 //无截图或者截图已经过期
snap_path = StrPrinter << scan_path << time(NULL) << ".jpeg"; snap_path = StrPrinter << scan_path << time(NULL) << ".jpeg";
#if !defined(_WIN32)
//创建文件夹 {
File::create_path(snap_path.c_str(), S_IRWXO | S_IRWXG | S_IRWXU); //生成一个空文件，目的是顺便创建文件夹路径，
#else //同时防止在FFmpeg生成截图途中不停的尝试调用该api启动FFmpeg生成相同的截图
File::create_path(snap_path.c_str(),0); //当然，我们可以拷贝一个"正在截图中"的图来替换这个空图，这需要开发者自己实现
#endif auto file = File::create_file(snap_path.data(), "wb");
if(file){
fclose(file);
}
}
FFmpegSnap::makeSnap(allArgs["url"],snap_path,allArgs["timeout_sec"],[invoker,headerIn,snap_path](bool success){ FFmpegSnap::makeSnap(allArgs["url"],snap_path,allArgs["timeout_sec"],[invoker,headerIn,snap_path](bool success){
if(!success){ if(!success){
//生成截图失败，可能残留空文件 //生成截图失败，可能残留空文件