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windows下子进程支持日志重定向、等待子进程推出、获取子进程退出码等特性

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xiongziliang
2020-06-08 14:56:17 +08:00
parent 8ef8c91f2e
commit b08ea0fcc7
2 changed files with 108 additions and 26 deletions
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11
server/FFmpegSource.cpp
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@@ -24,19 +24,16 @@ const string kSnap = FFmpeg_FIELD"snap";
onceToken token([]() {
#ifdef _WIN32
string ffmpeg_bin = System::execute("where ffmpeg");
//windows下先关闭FFmpeg日志(目前不支持日志重定向)
mINI::Instance()[kCmd] = "%s -re -i %s -loglevel quiet -c:a aac -strict -2 -ar 44100 -ab 48k -c:v libx264 -f flv %s";
mINI::Instance()[kSnap] = "%s -i %s -loglevel quiet -y -f mjpeg -t 0.001 %s";
string ffmpeg_bin = trim(System::execute("where ffmpeg"));
#else
string ffmpeg_bin = System::execute("which ffmpeg");
mINI::Instance()[kCmd] = "%s -re -i %s -c:a aac -strict -2 -ar 44100 -ab 48k -c:v libx264 -f flv %s";
mINI::Instance()[kSnap] = "%s -i %s -y -f mjpeg -t 0.001 %s";
string ffmpeg_bin = trim(System::execute("which ffmpeg"));
#endif
//默认ffmpeg命令路径为环境变量中路径
mINI::Instance()[kBin] = ffmpeg_bin.empty() ? "ffmpeg" : ffmpeg_bin;
//ffmpeg日志保存路径
mINI::Instance()[kLog] = "./ffmpeg/ffmpeg.log";
mINI::Instance()[kCmd] = "%s -re -i %s -c:a aac -strict -2 -ar 44100 -ab 48k -c:v libx264 -f flv %s";
mINI::Instance()[kSnap] = "%s -i %s -y -f mjpeg -t 0.001 %s";
});
}