/// <summary>
/// 开启
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
private static async Task <StartLiveDataInfo> StartLive(User user, LiveSetting liveSetting)
{
try
{
//先停止历史直播
if (await LiveApi.StopLive(user))
{
GlobalSettings.Logger.LogInfo("尝试关闭历史直播...成功！");
}
//修改直播间名称
if (await LiveApi.UpdateLiveRoomName(user, liveSetting.LiveRoomName))
{
GlobalSettings.Logger.LogInfo($"成功修改直播间名称。直播间名称：{liveSetting.LiveRoomName}");
}
StartLiveDataInfo liveInfo = await LiveApi.StartLive(user, liveSetting.LiveCategory);
if (liveInfo != null)
{
GlobalSettings.Logger.LogInfo("开启直播成功！");
GlobalSettings.Logger.LogInfo($"我的直播间地址：http://live.bilibili.com/{liveInfo.RoomId}");
GlobalSettings.Logger.LogInfo($"推流地址：{liveInfo.Rtmp.Addr}{liveInfo.Rtmp.Code}");
}
return(liveInfo);
}
catch (Exception ex)
{
GlobalSettings.Logger.LogError($"开启直播失败！错误：{ex.Message}");
return(null);
}
}
/// <summary>
/// 开启
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
private async Task <StartLiveDataInfo> StartLive()
{
try
{
//修改直播间名称
if (await _liveApi.UpdateLiveRoomName(this._account, _config.LiveSetting.LiveRoomName))
{
_logger.LogInformation($"成功修改直播间名称，直播间名称：{_config.LiveSetting.LiveRoomName}");
}
//更新分类
if (await _liveApi.UpdateLiveCategory(this._account, _config.LiveSetting.LiveCategory))
{
_logger.LogInformation($"成功修改直播间分类，直播间分类ID：{_config.LiveSetting.LiveCategory}");
}
StartLiveDataInfo liveInfo = await _liveApi.StartLive(this._account, _config.LiveSetting.LiveCategory);
if (liveInfo == null)
{
throw new Exception("获取直播信息失败！");
}
_logger.LogInformation("开启直播成功！");
_logger.LogInformation($"我的直播间地址：http://live.bilibili.com/{liveInfo.RoomId}");
_logger.LogInformation($"推流地址：{liveInfo.Rtmp.Addr}{liveInfo.Rtmp.Code}");
return(liveInfo);
}
catch (Exception ex)
{
_logger.LogError($"开启直播失败！错误：{ex.Message}", ex);
return(null);
}
}
/// <summary>
/// 开启
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
private static async Task <bool> StartLive(User user)
{
try
{
//加载配置文件
LiveSetting liveSetting = LoadLiveSettingConfig();
//先停止历史直播
if (await LiveApi.StopLive(user))
{
GlobalSettings.Logger.LogInfo("尝试关闭历史直播...成功！");
}
//修改直播间名称
if (await LiveApi.UpdateLiveRoomName(user, liveSetting.LiveRoomName))
{
GlobalSettings.Logger.LogInfo($"成功修改直播间名称。直播间名称：{liveSetting.LiveRoomName}");
}
StartLiveDataInfo liveInfo = await LiveApi.StartLive(user, liveSetting.LiveCategory);
if (liveInfo != null)
{
GlobalSettings.Logger.LogInfo("开启直播成功！");
GlobalSettings.Logger.LogInfo($"我的直播间地址：http://live.bilibili.com/{liveInfo.RoomId}");
GlobalSettings.Logger.LogInfo($"推流地址：{liveInfo.Rtmp.Addr}{liveInfo.Rtmp.Code}");
}
//开始使用ffmpeg推流直播
StartPublish(liveSetting, $"{liveInfo.Rtmp.Addr}{liveInfo.Rtmp.Code}");
return(true);
}
catch (Exception ex)
{
GlobalSettings.Logger.LogError($"开启直播失败！错误：{ex.Message}");
return(false);
}
}
/// <summary>
/// 开始推流
/// </summary>
/// <param name="setting"></param>
/// <param name="url"></param>
/// <returns></returns>
private static async Task <bool> StartPublish(User user, LiveSetting setting, string url)
{
try
{
if (string.IsNullOrEmpty(setting.CmdString))
{
throw new Exception("CMD string can not null.");
}
if (setting.CmdString.IndexOf("[[URL]]") < 0)
{
throw new Exception("Cmd args cannot find '[[URL]]' mark.");
}
setting.CmdString = setting.CmdString.Replace("[[URL]]", $"\"{url}\"");
int firstNullChar = setting.CmdString.IndexOf((char)32);
if (firstNullChar < 0)
{
throw new Exception("Cannot find cmd process name(look like 'ping 127.0.0.1','ping' is process name).");
}
string cmdName = setting.CmdString.Substring(0, firstNullChar);
string cmdArgs = setting.CmdString.Substring(firstNullChar);
if (string.IsNullOrEmpty(cmdArgs))
{
throw new Exception("Cmd args cannot null.");
}
var psi = new ProcessStartInfo
{
FileName = cmdName,
Arguments = cmdArgs,
RedirectStandardOutput = true,
UseShellExecute = false,
CreateNoWindow = RuntimeInformation.IsOSPlatform(OSPlatform.Linux),
};
bool isAutoRestart = true;
while (isAutoRestart)
{
isAutoRestart = setting.AutoRestart;
while (!await NetworkTools.NetworkCheck())
{
GlobalSettings.Logger.LogInfo($"Wait for network...");
await Task.Delay(3000);
}
if (!await LiveRoomStateCheck(user))
{
GlobalSettings.Logger.LogInfo($"Start live failed...");
return(false);
}
StartLiveDataInfo liveInfo = await StartLive(user, setting);
if (liveInfo == null)
{
GlobalSettings.Logger.LogInfo($"Start live failed...");
return(false);
}
//启动
var proc = Process.Start(psi);
if (proc == null)
{
throw new Exception("Can not exec set cmd.");
}
else
{
//开始读取命令输出
using (var sr = proc.StandardOutput)
{
while (!sr.EndOfStream)
{
GlobalSettings.Logger.LogInfo(sr.ReadLine());
}
if (!proc.HasExited)
{
proc.Kill();
}
}
//退出检测
if (!Console.IsInputRedirected)
{
Console.CancelKeyPress += (object sender, ConsoleCancelEventArgs eventArgs) =>
{
isAutoRestart = false;
};
}
if (isAutoRestart)
{
GlobalSettings.Logger.LogInfo($"Cmd exited. Auto restart.");
}
else
{
GlobalSettings.Logger.LogInfo($"Cmd exited.");
}
}
if (isAutoRestart)
{
GlobalSettings.Logger.LogInfo($"Wait for restart...");
//如果开启了自动重试，那么等待60s后再次尝试
await Task.Delay(60000);
}
}
return(true);
}
catch (Exception ex)
{
GlobalSettings.Logger.LogError(ex.Message);
return(false);
}
}
/// <summary>
/// 开始推流
/// </summary>
/// <param name="setting"></param>
/// <param name="url"></param>
/// <returns></returns>
private async Task <bool> UseFFmpegLive(string url)
{
try
{
if (string.IsNullOrEmpty(_config.LiveSetting.FFmpegCmd))
{
throw new Exception("推流命令不能为空。");
}
int markIndex = _config.LiveSetting.FFmpegCmd.IndexOf("[[URL]]");
if (markIndex < 5)
{
throw new Exception("在填写的命令中未找到 '[[URL]]'标记。");
}
if (_config.LiveSetting.FFmpegCmd[markIndex - 1] == '\"')
{
throw new Exception(" '[[URL]]'标记前后无需“\"”。");
}
string newCmd = _config.LiveSetting.FFmpegCmd.Replace("[[URL]]", $"\"{url}\"");
int firstNullChar = newCmd.IndexOf((char)32);
if (firstNullChar < 0)
{
throw new Exception("无法获取命令执行名称，比如在命令ffmpeg -version中，无法获取ffmpeg。");
}
string cmdName = newCmd.Substring(0, firstNullChar);
string cmdArgs = newCmd.Substring(firstNullChar);
if (string.IsNullOrEmpty(cmdArgs))
{
throw new Exception("命令参数不能为空！");
}
var psi = new ProcessStartInfo
{
FileName = cmdName,
Arguments = cmdArgs,
RedirectStandardOutput = true,
RedirectStandardError = false,
UseShellExecute = false,
CreateNoWindow = RuntimeInformation.IsOSPlatform(OSPlatform.Linux),
};
bool isAutoRestart = true;
while (isAutoRestart)
{
isAutoRestart = _config.LiveSetting.AutoRestart;
//check network
while (!await NetworkUtil.NetworkCheck())
{
_logger.LogWarning($"网络连接已断开，将在10秒后重新检查网络连接...");
await Task.Delay(10000);
}
//check token is available
if (!ByPassword.IsTokenAvailable(_account.AccessToken))
{
await LoginToBilibili();
}
//start live
StartLiveDataInfo liveInfo = await StartLive();
if (liveInfo == null)
{
_logger.LogError($"开启B站直播间失败，无法获取推流地址。");
return(false);
}
_logger.LogInformation("正在初始化推流指令...");
//启动
using (var proc = Process.Start(psi))
{
if (proc == null || proc.Id <= 0)
{
throw new Exception("无法执行指定的推流指令，请检查FFmpegCmd是否填写正确。");
}
//退出检测
if (!Console.IsInputRedirected)
{
Console.CancelKeyPress += (object sender, ConsoleCancelEventArgs eventArgs) =>
{
isAutoRestart = false;
};
}
await proc.WaitForExitAsync();
if (isAutoRestart)
{
_logger.LogWarning($"FFmpeg异常退出，将在60秒后重试推流。");
}
else
{
_logger.LogWarning($"FFmpeg异常退出。");
}
}
if (isAutoRestart)
{
_logger.LogWarning($"等待重新推流...");
//如果开启了自动重试，那么等待60s后再次尝试
await Task.Delay(60000);
}
}
return(true);
}
catch (Exception ex)
{
_logger.LogError(ex.Message, ex);
return(false);
}
}
