private void runTask(videoTask t, Process process)
{
this.rsForm.setPercent("0.0");
this.rsForm.setTime("");
this.rsForm.setFps("");
this.rsForm.setEta("");
string fp = t.getFP();
process = new System.Diagnostics.Process();
process.StartInfo.FileName = "cmd";
// 必须禁用操作系统外壳程序
process.StartInfo.UseShellExecute = false;
process.StartInfo.CreateNoWindow = true;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.RedirectStandardOutput = true;
process.StartInfo.RedirectStandardInput = true;
process.ErrorDataReceived += new DataReceivedEventHandler(OutputHandler);
process.OutputDataReceived += new DataReceivedEventHandler(OutputHandler);
process.Start();
this.PIDs[0] = process.Id;
this.rsForm.PID = process.Id;
this.rsForm.setStopBtnState(true);
// 找到预设存储的文件并提取到taskSetting中
string tsfp = System.Windows.Forms.Application.StartupPath + "\\taskSettings\\" + t.getSetting() + ".json";
taskSetting ts = JsonConvert.DeserializeObject <taskSetting>(File.ReadAllText(tsfp));
// 将encoder信息传给信息显示界面
this.rsForm.encodingProgram = ts.encoder;
this.rsForm.HideVideoEncoderSetting();
cmdCode c = new cmdCode(fp, ts, this.outputFolderPath);
string cmd;
int type = c.taskType();
int checkNum = 0;
int beforeProcessCheckTime = 3500;
int processCheckInterval = 1000;
const int checkF = 20;
// 定义一个内部（匿名）方法
// 整个视频转换过程结束时
InnerMethodDelagate afterSuccess = delegate()
{
this.finishedNum++;
this.rsForm.setStatusBarFilesCountLabel(this.finishedNum, this.num);
try
{
process.CancelErrorRead();
process.CancelOutputRead();
}
catch (Exception e)
{
//saveLog2File();
}
this.rsForm.setEta("");
this.rsForm.setFps("");
this.rsForm.setTime("");
this.rsForm.setEstKbps("");
this.rsForm.SetTaskStepsLabel(true);
Process p = Process.GetProcessById(this.PIDs[0]);
p.Kill();
this.rsForm.setStopBtnState(false);
this.rsForm.setPercent("-3");
this.isfinished[0] = true;
this.reportCount = 0;
this.log.Clear();
miniLog += t.getFP() + Environment.NewLine + Environment.NewLine + Environment.NewLine;
saveMiniLog2File();
};
// 运行失败时调用
InnerMethodDelagate afterFailed = delegate()
{
this.isfailed = true;
saveLog2File();
this.rsForm.setPercent("-1");
this.rsForm.setTime("发生错误");
this.rsForm.setFps("日志保存在程序目录");
int sleepTime = 5; // 设置失败后继续下一个任务的时间
this.rsForm.setEta(sleepTime.ToString() + "秒后继续运行");
this.rsForm.setStatusBarLabelTextColorRED();
this.finishedNum++;
this.rsForm.setStatusBarFilesCountLabel(this.finishedNum, this.num);
this.rsForm.HideVideoEncoderSetting();
try
{
process.CancelErrorRead();
process.CancelOutputRead();
}
catch (Exception e)
{
//saveLog2File();
}
Thread.Sleep(sleepTime * 1000);
Process p = Process.GetProcessById(this.PIDs[0]);
p.Kill();
this.rsForm.setStopBtnState(false);
this.rsForm.setPercent("-3");
this.isfinished[0] = true;
this.reportCount = 0;
this.log.Clear();
};
// 视频编码前更新UI(显示视频总帧数)
InnerMethodDelagate DispVideoFrames = delegate()
{
// MediaInfo读取视频帧数
MediaInfo MI = new MediaInfo();
string duration;
string frameRate;
string frames;
MI.Open(t.getFP());
duration = MI.Get(StreamKind.Video, 0, "Duration");
try
{
double totalTime = Double.Parse(duration) / 1000.0;
frameRate = MI.Get(StreamKind.Video, 0, "FrameRate");
frames = ((int)(totalTime * Double.Parse(frameRate))).ToString();
if (!String.IsNullOrWhiteSpace(frames))
{
this.rsForm.setTime("0/" + frames);
}
}
catch (Exception e)
{
//saveLog2File();
}
};
InnerMethodDelagate VideoEncode = delegate()
{
// 视频编码
this.encoding = true;
this.rsForm.setPercent("0.0");
string ext = this.getFileExtName(t.getFP());
if (String.Equals(ext, "avs", StringComparison.CurrentCultureIgnoreCase))
{
this.videoType = AVS;
}
else
{
this.videoType = NORMAL;
DispVideoFrames();
}
cmd = c.cmdCodeGenerate(VIDEOENCODE, this.videoType);
process.StandardInput.WriteLine(cmd);
try
{
process.BeginErrorReadLine();
process.BeginOutputReadLine();
}
catch (Exception e)
{
//saveLog2File();
}
checkNum = 0;
this.reportCount = 0;
int cpx2 = this.checkPattern + this.checkPattern;
for (int i = 0; i < cpx2; i++)
{
checkFrame[i] = 0;
}
for (int i = 0; i < cpx2; i++)
{
this.fps[i] = 0;
}
Thread.Sleep(beforeProcessCheckTime);
Process p;
switch (videoType)
{
case NORMAL:
p = GetSubTaskProcess(ts.encoder);
if (p != null)
{
this.subTaskPID = p.Id;
}
else
{
this.subTaskPID = -1;
}
break;
case AVS:
Process avsP = GetSubTaskProcess("avs4x265.exe");
int avsId = avsP.Id;
if (avsP != null)
{
bool hasFound = false;
// 等待视频编码进程启动，最长等待1小时
for (int i = 0; i < 7200; i++)
{
// 确认avs进程仍在运行
try
{
Process.GetProcessById(avsId);
}
catch (Exception e)
{
if (this.encoding == true || ConfirmFailed())
{
afterFailed();
}
return;
}
// 每隔500ms寻找视频编码进程
p = GetSubTaskProcess(ts.encoder, avsId);
if (p != null)
{
this.subTaskPID = p.Id;
hasFound = true;
break;
}
else
{
Thread.Sleep(500);
}
}
if (!hasFound)
{
this.subTaskPID = -1;
}
}
else
{
this.subTaskPID = -1;
}
break;
default:
break;
}
this.rsForm.ShowVideoEncoderSetting();
while (this.encoding == true || this.postProcessing == true)
{
try
{
Process.GetProcessById(this.subTaskPID);
}
catch (Exception e)
{
if (this.encoding == true || ConfirmFailed())
{
afterFailed();
}
return;
}
Thread.Sleep(processCheckInterval);
}
try
{
process.CancelErrorRead();
process.CancelOutputRead();
}
catch (Exception e)
{
//saveLog2File();
}
this.rsForm.HideVideoEncoderSetting();
};
InnerMethodDelagate Mux = delegate()
{
// muxer
this.muxing = true;
int stepIdx = type == ONLYVIDEO ? 2 : 3;
this.rsForm.SetTaskStepsLabel(false, stepIdx, stepIdx, MUXER);
cmd = c.cmdCodeGenerate(MUXER);
process.StandardInput.WriteLine(cmd);
try
{
process.BeginErrorReadLine();
process.BeginOutputReadLine();
}
catch (Exception e)
{
//saveLog2File();
}
checkNum = 0;
Thread.Sleep(beforeProcessCheckTime); // 有些超短的视频（1-2M），如果不加这句就会直接判定为任务已失败，疑似原因：没等判断完进程就已经结束
string muxerProcessName = "";
if (String.Equals("mp4", ts.outputFormat))
{
muxerProcessName = "mp4Box";
}
else if (String.Equals("mkv", ts.outputFormat))
{
muxerProcessName = "mkvmerge";
}
Process p = GetSubTaskProcess(muxerProcessName);
if (p != null)
{
this.subTaskPID = p.Id;
}
else
{
this.subTaskPID = -1;
}
while (this.muxing == true)
{
try
{
Process.GetProcessById(this.subTaskPID);
}
catch (Exception e)
{
Thread.Sleep(1000);
if (this.muxing == true)
{
afterFailed();
}
return;
}
Thread.Sleep(processCheckInterval);
//checkNum = checkCmdRunning(checkNum, checkF);
//if (checkNum == -1)
//{
// return;
//}
}
afterSuccess();
string tempVideoFp = c.cmdCodeGenerate(DELETEVIDEOTEMP);
string tempAudioFp = c.cmdCodeGenerate(DELETEAUDIOTEMP);
try
{
File.Delete(tempVideoFp);
File.Delete(tempAudioFp);
}
catch (System.IO.IOException ex)
{
this.log.AppendLine("出现异常：" + ex);
saveLog2File();
}
};
// 音频编码或复制开始前更新UI(显示音频总时长)
InnerMethodDelagate DispAudioDuration = delegate()
{
// MediaInfo读取音频时长
MediaInfo MI = new MediaInfo();
string duration;
MI.Open(c.getAudioSource());
duration = MI.Get(StreamKind.Audio, 0, 69);
if (!String.IsNullOrWhiteSpace(duration))
{
this.rsForm.setTime("0/" + duration);
}
this.rsForm.setPercent("0.0", AUDIOENCODE);
};
InnerMethodDelagate ClearUIAfterAudioProcessing = delegate()
{
this.rsForm.setPercent("0.0");
this.rsForm.setTime("");
this.rsForm.setFps("");
};
switch (type)
{
case ONLYVIDEO:
this.rsForm.SetTaskStepsLabel(false, 1, 2, VIDEOENCODE);
VideoEncode();
// 一个子任务失败了意味着这个文件的编码任务失败，所以在所有子任务开始时都要检查checkNum是否为-1
if (isfailed)
{
return;
}
//afterSuccess();
Mux();
break;
case COPYAUDIO:
// 复制音频
cmd = c.cmdCodeGenerate(AUDIOCOPY);
process.StandardInput.WriteLine(cmd);
process.BeginErrorReadLine();
process.BeginOutputReadLine();
this.audioProcessing = true;
this.rsForm.SetTaskStepsLabel(false, 1, 3, AUDIOCOPY);
DispAudioDuration();
checkNum = 0;
Thread.Sleep(beforeProcessCheckTime);
Process p = GetSubTaskProcess("ffmpeg");
if (p != null)
{
this.subTaskPID = p.Id;
}
else
{
this.subTaskPID = -1;
}
while (this.audioProcessing == true)
{
try
{
Process.GetProcessById(this.subTaskPID);
}
catch (Exception e)
{
Thread.Sleep(1000);
if (this.audioProcessing == true)
{
afterFailed();
}
return;
}
Thread.Sleep(processCheckInterval);
//checkNum = checkCmdRunning(checkNum, checkF);
//if (checkNum == -1)
//{
// return;
//}
}
ClearUIAfterAudioProcessing();
process.CancelErrorRead();
process.CancelOutputRead();
this.rsForm.SetTaskStepsLabel(false, 2, 3, VIDEOENCODE);
// 一个子任务失败了意味着这个文件的编码任务失败，所以在所有子任务开始时都要检查checkNum是否为-1
if (isfailed)
{
return;
}
VideoEncode();
// 一个子任务失败了意味着这个文件的编码任务失败，所以在所有子任务开始时都要检查checkNum是否为-1
if (isfailed)
{
return;
}
Mux();
break;
case SUPPRESSAUDIO:
// 音频编码
cmd = c.cmdCodeGenerate(AUDIOENCODE);
process.StandardInput.WriteLine(cmd);
process.BeginErrorReadLine();
process.BeginOutputReadLine();
this.audioProcessing = true;
this.rsForm.SetTaskStepsLabel(false, 1, 3, AUDIOENCODE);
DispAudioDuration();
checkNum = 0;
Thread.Sleep(beforeProcessCheckTime);
Process p2 = GetSubTaskProcess(ts.audioEncoder);
if (p2 != null)
{
this.subTaskPID = p2.Id;
}
else
{
this.subTaskPID = -1;
}
while (this.audioProcessing == true)
{
try
{
Process.GetProcessById(this.subTaskPID);
}
catch (Exception e)
{
Thread.Sleep(1000);
if (this.audioProcessing == true)
{
afterFailed();
}
return;
}
Thread.Sleep(processCheckInterval);
//checkNum = checkCmdRunning(checkNum, checkF);
//if (checkNum == -1)
//{
// return;
//}
}
ClearUIAfterAudioProcessing();
process.CancelErrorRead();
process.CancelOutputRead();
this.rsForm.SetTaskStepsLabel(false, 2, 3, VIDEOENCODE);
// 一个子任务失败了意味着这个文件的编码任务失败，所以在所有子任务开始时都要检查checkNum是否为-1
if (isfailed)
{
return;
}
VideoEncode();
// 一个子任务失败了意味着这个文件的编码任务失败，所以在所有子任务开始时都要检查checkNum是否为-1
if (isfailed)
{
return;
}
Mux();
break;
default:
cmd = "";
break;
}
//MessageBox.Show(cmd);
}
public void OutputHandler(object sendingProcess, DataReceivedEventArgs outLine)
{
this.outPutCmdCount++;
if (!String.IsNullOrEmpty(outLine.Data) && this.num != this.finishedNum)
{
string o = outLine.Data.ToString();
log.AppendLine(o);
// 音频编码解析
if (this.audioProcessing == true)
{
string audioCopyFinishFlag = "video:0kB audio:";
string audioEncodeFinishFlag = "Optimizing...done";
this.rsForm.setPercent("-1");
string time = "";
string totalTime = "";
InnerMethodDelagate CalculateAndDispProgress = delegate()
{
string[] splitTemp = totalTime.Split(new char[] { ':' });
string HH = "0";
string MM = "0";
string SSMMM = "0";
if (splitTemp.Length == 3)
{
HH = splitTemp[0];
MM = splitTemp[1];
SSMMM = splitTemp[2];
}
else if (splitTemp.Length == 3)
{
HH = "00";
MM = splitTemp[0];
SSMMM = splitTemp[1];
}
int hr = Convert.ToInt32(HH);
int min = Convert.ToInt32(MM);
double sec = Convert.ToDouble(SSMMM);
double totalTimeValue = hr * 3600 + min * 60 + sec;
splitTemp = time.Split(new char[] { ':' });
if (splitTemp.Length == 2)
{
HH = "00";
MM = splitTemp[0];
SSMMM = splitTemp[1];
}
else if (splitTemp.Length == 3)
{
HH = splitTemp[0];
MM = splitTemp[1];
SSMMM = splitTemp[2];
}
hr = Convert.ToInt32(HH);
min = Convert.ToInt32(MM);
sec = Convert.ToDouble(SSMMM);
double currentTimeValue = hr * 3600 + min * 60 + sec;
double percent = currentTimeValue / totalTimeValue;
this.rsForm.setPercent(percent.ToString("0.0"), AUDIOENCODE); //这一模式需要保留一位小数
};
if (o.Contains(audioCopyFinishFlag) || o.Contains(audioEncodeFinishFlag))
{
this.audioProcessing = false;
}
else
{
if (o.Contains("time=")) // 表示是音频复制模式
{
int timeIndex = o.IndexOf("time=") + 5;
int timeLength = 11;
time = o.Substring(timeIndex, timeLength);
string currentTimeText = this.rsForm.getCurrentTimeText();
int splitIndex = currentTimeText.IndexOf("/");
totalTime = currentTimeText.Substring(splitIndex + 1, currentTimeText.Length - splitIndex - 1);
if (String.IsNullOrWhiteSpace(totalTime))
{
totalTime = time;
}
this.rsForm.setTime(time + "/" + totalTime);
CalculateAndDispProgress();
}
else // 音频编码模式
{
// 通过ffmpeg读取送到qaac转码
// o 的格式 = 时间(速度x) 特征是x)
int endIndex = o.IndexOf("x)");
int startIndex = o.IndexOf("(");
// 速度 xxx.x 最多5位字符，间隔不应大于5
if (startIndex != -1 && endIndex != -1 && endIndex - startIndex < 6 && endIndex - startIndex > 0)
{
string speed = o.Substring(startIndex + 1, endIndex - startIndex - 1); // 第二个参数是子串的长度
this.rsForm.setFps(speed + "x");
// 从UI获取音频时长
string lastCurrentTimeText = this.rsForm.getCurrentTimeText();
int totalTimeStartIndex = lastCurrentTimeText.IndexOf("/") + 1;
int totalTimeLength = lastCurrentTimeText.Length - totalTimeStartIndex;
totalTime = lastCurrentTimeText.Substring(totalTimeStartIndex, totalTimeLength);
time = o.Substring(0, startIndex - 1);
if (String.IsNullOrWhiteSpace(totalTime))
{
totalTime = time;
}
this.rsForm.setTime(time + "/" + totalTime);
CalculateAndDispProgress();
}
}
}
return;
}
// postProcessing解析
if (this.postProcessing == true)
{
string ppfinishFlag01 = "encoded ";
string ppfinishFlag02 = " frames";
this.rsForm.setPercent("-2");
if (o.Contains(ppfinishFlag01) && o.Contains(ppfinishFlag02))
{
this.postProcessing = false;
miniLog += o + Environment.NewLine;
}
}
// muxer解析
if (this.muxing == true)
{
string muxingFinishFlag_mp401 = "ISO File Writing: ";
string muxingFinishFlag_mp402 = "| (99/100)";
string muxingFinishFlag_mkv = "Muxing took ";
this.rsForm.setPercent("-2");
if ((o.Contains(muxingFinishFlag_mp401) && o.Contains(muxingFinishFlag_mp402)) ||
o.Contains(muxingFinishFlag_mkv))
{
this.muxing = false;
}
return;
}
// 视频编码解析
string finishFlag01 = "x264 [info]: kb/s:";
string finishFlag02 = "x265 [info]: consecutive B-frames:";
//string finishFlag02 = " frames";
if (this.encoding)
{
if (this.startTime == 0) // 仅在开始时运行，编码结束后要重置为0
{
this.startTime = System.Environment.TickCount;
}
if (o.Contains(finishFlag01) || o.Contains(finishFlag02)) // 视频编码结束了
{
miniLog += o + Environment.NewLine;
this.endTime = System.Environment.TickCount;
int timeElapsed = this.endTime - this.startTime;
this.startTime = 0;
this.rsForm.setPercent("100");
this.rsForm.setFps("");
this.rsForm.setEta("");
this.rsForm.setTime("");
// 视频编码结束后，x264可能先对视频流单独混流一次
this.postProcessing = true;
this.encoding = false;
}
else // 编码未结束更新进度
{
if (!o.Contains("[info]") && !o.Contains("q=-0.0 size="))
{
int checkIndex = this.reportCount % (checkPattern + checkPattern);
checkTime[checkIndex] = System.Environment.TickCount;
string encodedFrames = "";
string totalFrames = "";
int kbpsStartIndex, kbpsEndIndex;
switch (this.videoType)
{
case NORMAL:
// o 的格式 = xx frames: xx.xx fps, xxxx kb/s
kbpsStartIndex = o.IndexOf("fps, ") + 5;
kbpsEndIndex = o.IndexOf("kb/s") + 4;
if (kbpsStartIndex != -1 && kbpsEndIndex != -1 && kbpsEndIndex - kbpsStartIndex > 6 && kbpsEndIndex - kbpsStartIndex < 14)
{
string estKbps = o.Substring(kbpsStartIndex, kbpsEndIndex - kbpsStartIndex);
this.rsForm.setEstKbps(estKbps);
}
// 从UI获取视频总帧数
string lastCurrentTimeText = this.rsForm.getCurrentTimeText();
int totalTimeStartIndex = lastCurrentTimeText.IndexOf("/") + 1;
int totalTimeLength = lastCurrentTimeText.Length - totalTimeStartIndex;
totalFrames = lastCurrentTimeText.Substring(totalTimeStartIndex, totalTimeLength);
// 从cmd中读取已经编码的帧数
int framesIndex = o.IndexOf("frames:");
// 帧数小于7位数
if (framesIndex != -1 && framesIndex <= 8)
{
string frames = "";
try
{
frames = o.Substring(0, framesIndex - 1);
}
catch (Exception e)
{
saveLog2File();
}
// endIndex = -1
this.rsForm.setTime(frames + "/" + totalFrames);
//string[] splitTemp = frames.Split(new char[] { '/' });
encodedFrames = frames;
//totalFrames = splitTemp[1];
checkFrame[checkIndex] = Convert.ToInt32(encodedFrames);
this.reportCount++;
try
{
double percent = (double)(checkFrame[checkIndex]) / (Double.Parse(totalFrames)) * 100.0;
this.rsForm.setPercent(percent.ToString());
if (percent >= 99.9)
{
miniLog += o + Environment.NewLine;
}
}
catch (Exception e)
{
//saveLog2File();
}
}
break;
case AVS:
// o 的格式 = [xx.x%] 已完成帧数/总帧数, ...
int endIndex = o.IndexOf("%]");
int startIndex = o.IndexOf("[");
// 进度 xx.x 最多4位字符，间隔不应大于4 (index之间差值不得大于5)
if (startIndex != -1 && endIndex != -1 && endIndex - startIndex < 6 && endIndex - startIndex > 0)
{
string progress = o.Substring(startIndex + 1, endIndex - startIndex - 1); // 第二个参数是子串的长度
this.rsForm.setPercent(progress);
if (Convert.ToDouble(progress) >= 99.9)
{
miniLog += o + Environment.NewLine;
}
}
// 从cmd中读取已经编码的帧数
int framesIndexCaseAVS = o.IndexOf(" frames");
if (framesIndexCaseAVS != -1)
{
// frames 格式： xxx/xxxxx (a/b, a的位数小于等于b的位数)
string frames = o.Substring(endIndex + 3, framesIndexCaseAVS - endIndex - 3);
this.rsForm.setTime(frames);
string[] splitTemp = frames.Split(new char[] { '/' });
encodedFrames = splitTemp[0];
totalFrames = splitTemp[1];
checkFrame[checkIndex] = Convert.ToInt32(encodedFrames);
this.reportCount++;
}
kbpsStartIndex = o.IndexOf("fps, ") + 5;
kbpsEndIndex = o.IndexOf("kb/s") + 4;
if (kbpsStartIndex != -1 && kbpsEndIndex != -1 && kbpsEndIndex - kbpsStartIndex > 6 && kbpsEndIndex - kbpsStartIndex < 14)
{
string estKbps = o.Substring(kbpsStartIndex, kbpsEndIndex - kbpsStartIndex);
this.rsForm.setEstKbps(estKbps);
}
break;
default:
break;
}
if (this.reportCount >= checkPattern)
{
// 定义一个内部（匿名）方法
// 分析并计算fps和ETA
InnerMethodDelagate processFpsAndETA = delegate()
{
// 取两位小数的方法
System.Globalization.NumberFormatInfo nfi = new System.Globalization.NumberFormatInfo();
nfi.NumberDecimalDigits = 2;
this.rsForm.setFps(fps[checkIndex].ToString("N", nfi) + " fps");
// 计算优化后的ETA
double avgFps = NonZeroAverage(this.fps);
double eta = (double)(Convert.ToInt32(totalFrames) - checkFrame[checkIndex]) / avgFps / 60.0;
double i = Math.Floor(eta); // 去除小数部分
double d = eta - i;
double sec = d * 60.0;
d = i / 60.0;
double h = Math.Floor(d);
double min = i - h * 60;
string etaStr = ((int)h).ToString("00") + ":" + ((int)min).ToString("00") + ":" + ((int)sec).ToString("00");
this.rsForm.setEta(etaStr);
};
if (checkIndex >= checkPattern)
{
// 注意：下两句和另一部分是不一样的，不能复制
int timeIntetval = checkTime[checkIndex] - checkTime[checkIndex - checkPattern];
int framesInteval = checkFrame[checkIndex] - checkFrame[checkIndex - checkPattern];
fps[checkIndex] = (double)framesInteval / (double)timeIntetval * 1000;
if (fps[checkIndex] > 0)
{
processFpsAndETA();
}
}
else
{
// 注意：下两句和另一部分是不一样的，不能复制
int timeIntetval = checkTime[checkIndex] - checkTime[checkIndex + checkPattern];
int framesInteval = checkFrame[checkIndex] - checkFrame[checkIndex + checkPattern];
fps[checkIndex] = (double)framesInteval / (double)timeIntetval * 1000;
if (fps[checkIndex] > 0)
{
processFpsAndETA();
}
}
}
else
{
this.rsForm.setEta("正在计算...");
this.rsForm.setFps("正在统计...");
}
}
else
{
//miniLog += o + Environment.NewLine;
//this.rsForm.setPercent("0.0");
//this.rsForm.setTime("索引中");
}
}
}
}
}