public bool GetVideoThumbnail(VideoFile input, string saveThumbnailTo, string tamanho, int secs)
{
if (!input.infoGathered)
{
GetVideoInfo(input);
}
//divide the duration in 3 to get a preview image in the middle of the clip
//instead of a black image from the beginning.
//secs = (int)Math.Round(TimeSpan.FromTicks(input.Duration.Ticks / 3).TotalSeconds, 0);
//if (secs.Equals(0)) secs = 1;
string Params = string.Format("-i \"{0}\" -s 1024x768 -vcodec mjpeg -ss {2} -vframes 1 -an -f image2 \"{1}\"", input.Path, saveThumbnailTo, secs, tamanho);
string output = RunProcess(Params);
if (File.Exists(saveThumbnailTo))
{
return true;
}
else
{
//try running again at frame 1 to get something
Params = string.Format("-i \"{0}\" -s 1024x768 -vcodec mjpeg -ss {2} -vframes 1 -an -f image2 \"{1}\"", input.Path, saveThumbnailTo, 1, tamanho);
output = RunProcess(Params);
if (File.Exists(saveThumbnailTo))
{
return true;
}
else
{
return false;
}
}
}
public static string getMediaInfo(string mediaName)
{
/**
* 支持视频格式：mpeg，mpg，avi，dat，mkv，rmvb，rm，mov.
*不支持：wmv
* **/
VideoEncoder.Encoder enc = new VideoEncoder.Encoder();
//ffmpeg.exe的路径，程序会在执行目录（....FFmpeg测试\bin\Debug）下找此文件，
enc.FFmpegPath = System.Environment.CurrentDirectory + "\\ffmpeg.exe";
//视频路径
VideoFile videoFile = new VideoFile(mediaName);
enc.GetVideoInfo(videoFile);
TimeSpan totaotp = videoFile.Duration;
string totalTime = string.Format("{0:00}:{1:00}:{2:00}", (int)totaotp.TotalHours, totaotp.Minutes, totaotp.Seconds);
Console.WriteLine("时间长度：{0}", totalTime);
Console.WriteLine("高度：{0}", videoFile.Height);
Console.WriteLine("宽度：{0}", videoFile.Width);
Console.WriteLine("数据速率：{0}", videoFile.VideoBitRate);
Console.WriteLine("数据格式：{0}", videoFile.VideoFormat);
Console.WriteLine("比特率：{0}", videoFile.BitRate);
Console.WriteLine("文件路径：{0}", videoFile.Path);
return totalTime;
}
public EncodedVideo EncodeVideo(VideoFile input, string encodingCommand, string outputFile, bool getVideoThumbnail)
{
EncodedVideo encoded = new EncodedVideo();
Params = string.Format("-i \"{0}\" {1} \"{2}\"", input.Path, encodingCommand, outputFile);
string output = RunProcess(Params);
encoded.EncodingLog = output;
encoded.EncodedVideoPath = outputFile;
if (File.Exists(outputFile))
{
encoded.Success = true;
//get thumbnail?
if (getVideoThumbnail)
{
string saveThumbnailTo = outputFile + "_thumb.jpg";
if (GetVideoThumbnail(input, saveThumbnailTo))
{
encoded.ThumbnailPath = saveThumbnailTo;
}
}
}
else
{
encoded.Success = false;
}
return encoded;
}
public TimeSpan GetVideoTotalTime(string videoPath)
{
Encoder encoder = new Encoder {
FFmpegPath = AppDomain.CurrentDomain.BaseDirectory + this.ffmpegTools
};
string path = videoPath;
VideoFile input = new VideoFile(path);
encoder.GetVideoInfo(input);
return input.Duration;
}
public void GetVideoInfo(VideoFile input)
{
string Params = string.Format("-i {0}", input.Path);
string output = RunProcess(Params);
input.RawInfo = output;
input.Duration = ExtractDuration(input.RawInfo);
input.BitRate = ExtractBitrate(input.RawInfo);
input.RawAudioFormat = ExtractRawAudioFormat(input.RawInfo);
input.AudioFormat = ExtractAudioFormat(input.RawAudioFormat);
input.RawVideoFormat = ExtractRawVideoFormat(input.RawInfo);
input.VideoFormat = ExtractVideoFormat(input.RawVideoFormat);
input.Width = ExtractVideoWidth(input.RawInfo);
input.Height = ExtractVideoHeight(input.RawInfo);
input.infoGathered = true;
}
public void GetVideoInfo(VideoFile input)
{
string Params = string.Format("-i \"{0}\"", input.Path);
string output = RunProcess(Params);
input.RawInfo = output;
input.Duration = ExtractDuration(input.RawInfo);
input.BitRate = ExtractBitrate(input.RawInfo);
input.RawAudioFormat = ExtractRawAudioFormat(input.RawInfo);
input.AudioFormat = ExtractAudioFormat(input.RawAudioFormat);
input.RawVideoFormat = ExtractRawVideoFormat(input.RawInfo);
input.VideoFormat = ExtractVideoFormat(input.RawVideoFormat);
input.Width = ExtractVideoWidth(input.RawInfo);
input.Height = ExtractVideoHeight(input.RawInfo);
input.FrameRate = ExtractFrameRate(input.RawVideoFormat);
input.TotalFrames = ExtractTotalFrames(input.Duration, input.FrameRate);
input.AudioBitRate = ExtractAudioBitRate(input.RawAudioFormat);
input.VideoBitRate = ExtractVideoBitRate(input.RawVideoFormat);
input.infoGathered = true;
}
public bool GetVideoThumbnail(VideoFile input, string saveThumbnailTo)
{
if (!input.infoGathered)
{
GetVideoInfo(input);
}
//divide the duration in 3 to get a preview image in the middle of the clip
//instead of a black image from the beginning.
int secs;
secs = (int)Math.Round(TimeSpan.FromTicks(input.Duration.Ticks / 3).TotalSeconds, 0);
if (secs.Equals(0))
{
secs = 1;
}
string Params = string.Format("-i \"{0}\" \"{1}\" -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, saveThumbnailTo, secs);
string output = RunProcess(Params);
if (File.Exists(saveThumbnailTo))
{
return(true);
}
else
{
//try running again at frame 1 to get something
Params = string.Format("-i \"{0}\" \"{1}\" -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, saveThumbnailTo, 1);
output = RunProcess(Params);
if (File.Exists(saveThumbnailTo))
{
return(true);
}
else
{
return(false);
}
}
}
public bool GetVideoThumbnail(VideoFile input, string saveThumbnailTo)
{
if (!input.infoGathered)
{
GetVideoInfo(input);
}
int num = (int)Math.Round(TimeSpan.FromTicks(input.Duration.Ticks / 3).TotalSeconds, 0);
string parameters = $"-i {input.File} {saveThumbnailTo} -vcodec mjpeg -ss {num} -vframes 1 -an -f rawvideo";
string text = RunProcess(parameters);
if (File.Exists(saveThumbnailTo))
{
return(true);
}
parameters = $"-i {input.File} {saveThumbnailTo} -vcodec mjpeg -ss {1} -vframes 1 -an -f rawvideo";
text = RunProcess(parameters);
if (File.Exists(saveThumbnailTo))
{
return(true);
}
return(false);
}
public bool GetVideoThumbnail(VideoFile input, string saveThumbnailTo)
{
if (!input.infoGathered)
{
GetVideoInfo(input);
}
int secs;
secs = (int)Math.Round(TimeSpan.FromTicks(input.Duration.Ticks / 3).TotalSeconds, 0);
if (secs.Equals(0))
{
secs = 1;
}
string Params = string.Format("-i \"{0}\" \"{1}\" -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, saveThumbnailTo, secs);
string output = RunProcess(Params);
if (File.Exists(saveThumbnailTo))
{
return(true);
}
else
{
Params = string.Format("-i \"{0}\" \"{1}\" -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, saveThumbnailTo, 1);
output = RunProcess(Params);
if (File.Exists(saveThumbnailTo))
{
return(true);
}
else
{
return(false);
}
}
}
public EncodedVideo EncodeVideo(VideoFile input, string encodingCommand, string outputFile, bool getVideoThumbnail)
{
EncodedVideo video = new EncodedVideo();
this.Params = string.Format("-i \"{0}\" {1} \"{2}\"", input.Path, encodingCommand, outputFile);
string str = this.RunProcess(this.Params);
video.EncodingLog = str;
video.EncodedVideoPath = outputFile;
if (File.Exists(outputFile))
{
video.Success = true;
if (getVideoThumbnail)
{
string saveThumbnailTo = outputFile + "_thumb.jpg";
if (this.GetVideoThumbnail(input, saveThumbnailTo))
{
video.ThumbnailPath = saveThumbnailTo;
}
}
return video;
}
video.Success = false;
return video;
}
public bool GetVideoThumbnail(VideoFile input, string saveThumbnailTo)
{
if (!input.infoGathered)
{
this.GetVideoInfo(input);
}
int num = (int) Math.Round(TimeSpan.FromTicks(input.Duration.Ticks / 3L).TotalSeconds, 0);
if (num.Equals(0))
{
num = 1;
}
string parameters = string.Format("-i \"{0}\" \"{1}\" -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, saveThumbnailTo, num);
this.RunProcess(parameters);
if (File.Exists(saveThumbnailTo))
{
return true;
}
parameters = string.Format("-i \"{0}\" \"{1}\" -vcodec mjpeg -ss {2} -vframes 1 -an -f rawvideo", input.Path, saveThumbnailTo, 1);
this.RunProcess(parameters);
return File.Exists(saveThumbnailTo);
}
public void GetVideoInfo(VideoFile input)
{
string parameters = string.Format("-i \"{0}\"", input.Path);
string str2 = this.RunProcess(parameters);
input.RawInfo = str2;
input.Duration = this.ExtractDuration(input.RawInfo);
input.BitRate = this.ExtractBitrate(input.RawInfo);
input.RawAudioFormat = this.ExtractRawAudioFormat(input.RawInfo);
input.AudioFormat = this.ExtractAudioFormat(input.RawAudioFormat);
input.RawVideoFormat = this.ExtractRawVideoFormat(input.RawInfo);
input.VideoFormat = this.ExtractVideoFormat(input.RawVideoFormat);
input.Width = this.ExtractVideoWidth(input.RawInfo);
input.Height = this.ExtractVideoHeight(input.RawInfo);
input.FrameRate = this.ExtractFrameRate(input.RawVideoFormat);
input.TotalFrames = this.ExtractTotalFrames(input.Duration, input.FrameRate);
input.AudioBitRate = this.ExtractAudioBitRate(input.RawAudioFormat);
input.VideoBitRate = this.ExtractVideoBitRate(input.RawVideoFormat);
input.infoGathered = true;
}
public void EncodeVideoAsyncAutoCommand(VideoFile input, string outputFile, Control caller, int treadCount)
{
if (!input.infoGathered)
{
this.GetVideoInfo(input);
}
if (input.VideoBitRate == 0.0)
{
int height = input.Height;
if (height < 180)
{
input.VideoBitRate = 400.0;
}
else if (height < 260)
{
input.VideoBitRate = 1000.0;
}
else if (height < 400)
{
input.VideoBitRate = 2000.0;
}
else if (height < 800)
{
input.VideoBitRate = 5000.0;
}
else
{
input.VideoBitRate = 8000.0;
}
}
if (input.AudioBitRate == 0.0)
{
input.AudioBitRate = 128.0;
}
string str = string.Format("-threads {0} -y -b {1} -ab {2}", treadCount.ToString(), input.VideoBitRate.ToString() + "k", input.AudioBitRate.ToString() + "k");
this.tempEncodedVideo = new EncodedVideo();
this.tempEncodedVideo.EncodedVideoPath = outputFile;
this.tempCaller = caller;
this.tempVideoFile = input;
this.Params = string.Format("-i \"{0}\" {1} \"{2}\"", input.Path, str, outputFile);
this.RunProcessAsync(this.Params);
}
public void EncodeVideoAsyncAutoCommand(VideoFile input, string outputFile, int threadCount)
{
this.EncodeVideoAsyncAutoCommand(input, outputFile, null, threadCount);
}
public void EncodeVideoAsync(VideoFile input, string encodingCommand, string outputFile, Control caller, int threadCount)
{
if (!input.infoGathered)
{
this.GetVideoInfo(input);
}
this.tempEncodedVideo = new EncodedVideo();
this.tempEncodedVideo.EncodedVideoPath = outputFile;
this.tempCaller = caller;
this.tempVideoFile = input;
if (threadCount.Equals(1))
{
this.Params = string.Format("-i \"{0}\" {1} \"{2}\"", input.Path, encodingCommand, outputFile);
}
else
{
this.Params = string.Format("-i \"{0}\" -threads {1} {2} \"{3}\"", new object[] { input.Path, threadCount.ToString(), encodingCommand, outputFile });
}
this.RunProcessAsync(this.Params);
}
public void EncodeVideoAsync(VideoFile input, string encodingCommand, string outputFile, int threadCount)
{
this.EncodeVideoAsync(input, encodingCommand, outputFile, null, threadCount);
}
private void VideoSplitByTime()
{
int time = Int32.Parse(boxPartHour.Text) * 3600
+ Int32.Parse(boxPartMin.Text) * 60
+ Int32.Parse(boxPartSec.Text);
VideoEncoder.Encoder enc = new VideoEncoder.Encoder();
enc.FFmpegPath = "ffmpeg.exe";
VideoFile vf = new VideoFile(file);
enc.GetVideoInfo(vf);
TimeSpan t = vf.Duration;
//int tt =(int)t.TotalSeconds;
int parts = (int)t.TotalSeconds / time + 1;
#region thread start
//EnableUI(false);
new Thread(() =>
{
for (int i = 0; i < parts; i++)
{
Process p = new Process();
string ph = Environment.CommandLine;
ph = ph.Substring(0, ph.LastIndexOf('\\') + 1);
if (ph[0] == '"')
ph = ph.Substring(1);
p.StartInfo.FileName = "\"" + ph + "ffmpeg.exe\"";
p.StartInfo.Arguments = " -ss " + (i == 0 ? 0 : time * i - 10).ToString()
+ " -i " + "\"" + file + "\""
+ " -vcodec copy -acodec copy "
+ " -t " + (i == 0 ? time : (time + 10)).ToString() + " "
+ "\"" + path + (i + 1).ToString("00") + formate + "\"";
p.StartInfo.RedirectStandardError = true;
p.ErrorDataReceived += new DataReceivedEventHandler(SplitOutput);
p.StartInfo.UseShellExecute = false;
p.StartInfo.CreateNoWindow = true;
p.Start();
p.BeginErrorReadLine();
p.WaitForExit();
p.Close();
p.Dispose();
}
this.BeginInvoke(new MethodInvoker(() =>
{
EnableUI(true);
//this.Text = title + " - 分割完成!";
}));
}).Start();
#endregion
}
public void EncodeVideoAsync(VideoFile input, string encodingCommand, string outputFile, int threadCount)
{
EncodeVideoAsync(input, encodingCommand, outputFile, null, threadCount);
}
private void buttonSplit_Click(object sender, EventArgs e)
{
if (!textFlv.Text.EndsWith(".flv"))
{
MessageBox.Show("It's not flv file!", "not flv", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
if (!File.Exists(textFlv.Text))
{
MessageBox.Show("flv file does not exist!", "no such file.", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
EnableUI(false);
this.Text = title + " - 正在分割...";
textStat.Clear();
int parts = int.Parse(comboBoxPart.Text);
int seconds = 0;
if (parser != null)
{
seconds = (int)(parser.Duration / 1000) / parts + 10;
}
else
{
VideoEncoder.Encoder enc = new VideoEncoder.Encoder();
enc.FFmpegPath = "ffmpeg.exe";
VideoFile vf = new VideoFile(textFlv.Text);
enc.GetVideoInfo(vf);
TimeSpan t = vf.Duration;
//int tt =(int)t.TotalSeconds;
seconds = (int)t.TotalSeconds / parts + 10;
}
new Thread(() =>
{
for (int i = 0; i < parts; i++)
{
Process p = new Process();
string ph = Environment.CommandLine;
ph = ph.Substring(0, ph.LastIndexOf('\\') + 1);
if (ph[0] == '"')
ph = ph.Substring(1);
p.StartInfo.FileName = "\"" + ph + "ffmpeg.exe\"";
p.StartInfo.Arguments = " -ss " + (i == 0 ? 0 : seconds * i - 10).ToString()
+ " -i " + textFlv.Text
+ " -vcodec copy -acodec copy "
+ " -t " + (i == 0 ? seconds : (seconds + 10)).ToString() + " "
+ textFlv.Text.Substring(0, textFlv.Text.LastIndexOf(".")) + (i + 1).ToString("00") + ".flv";
p.StartInfo.RedirectStandardError = true;
p.ErrorDataReceived += new DataReceivedEventHandler(SplitOutput);
p.StartInfo.UseShellExecute = false;
p.StartInfo.CreateNoWindow = true;
p.Start();
p.BeginErrorReadLine();
p.WaitForExit();
p.Close();
p.Dispose();
}
this.BeginInvoke(new MethodInvoker(() =>
{
EnableUI(true);
this.Text = title + " - 分割完成!";
}));
}).Start();
}
/// <summary>
/// Async for WinForms where secure threading is necessary, pass the control that will be used as Invoker
/// This method uses output filename to detect resulting type, same resolution as source and the same bitrate as source
/// </summary>
/// <param name="input"></param>
/// <param name="encodingCommand"></param>
/// <param name="outputFile"></param>
/// <param name="caller">The WinForm that makes the call</param>
public void EncodeVideoAsyncAutoCommand(VideoFile input, string outputFile, System.Windows.Forms.Control caller, int treadCount)
{
//Gather info
if (!input.infoGathered)
{
GetVideoInfo(input);
}
//If input video bitrate 0, then the correct video bitrate has not been detected, generate a value
if (input.VideoBitRate == 0)
{
//Use video height, guestimations, tweak these at ur own will
int h = input.Height;
if (h < 180)
{
input.VideoBitRate = 400;
}
else if (h < 260)
{
input.VideoBitRate = 1000;
}
else if (h < 400)
{
input.VideoBitRate = 2000;
}
else if (h < 800)
{
input.VideoBitRate = 5000;
}
else
{
input.VideoBitRate = 8000;
}
}
//If input audio bitrate is 0, then the correct audio bitrate has not been detected, set it to 128k
if (input.AudioBitRate == 0)
{
input.AudioBitRate = 128;
}
//Build encoding command
string encodingCommand = String.Format("-threads {0} -y -b {1} -ab {2}", treadCount.ToString(), input.VideoBitRate.ToString() + "k", input.AudioBitRate.ToString() + "k");
//Create new encoded video
tempEncodedVideo = new EncodedVideo();
tempEncodedVideo.EncodedVideoPath = outputFile;
//Set caller
tempCaller = caller;
//Set input
tempVideoFile = input;
//Create parameters
Params = string.Format("-i \"{0}\" {1} \"{2}\"", input.Path, encodingCommand, outputFile);
//Execute ffmpeg async
RunProcessAsync(Params);
}
public void EncodeVideoAsyncAutoCommand(VideoFile input, string outputFile, int threadCount)
{
EncodeVideoAsyncAutoCommand(input, outputFile, null, threadCount);
}
/// <summary>
/// Async for WinForms where secure threading is necessary, pass the control that will be used as Invoker
/// </summary>
/// <param name="input"></param>
/// <param name="encodingCommand"></param>
/// <param name="outputFile"></param>
/// <param name="caller"></param>
public void EncodeVideoAsync(VideoFile input, string encodingCommand, string outputFile, System.Windows.Forms.Control caller, int threadCount)
{
//Gather info
if (!input.infoGathered)
{
GetVideoInfo(input);
}
//Create new encoded video
tempEncodedVideo = new EncodedVideo();
tempEncodedVideo.EncodedVideoPath = outputFile;
//Set caller
tempCaller = caller;
//Set input
tempVideoFile = input;
//Create parameters
if (threadCount.Equals(1))
Params = string.Format("-i \"{0}\" {1} \"{2}\"", input.Path, encodingCommand, outputFile);
else
Params = string.Format("-i \"{0}\" -threads {1} {2} \"{3}\"", input.Path, threadCount.ToString(), encodingCommand, outputFile);
//Execute ffmpeg async
RunProcessAsync(Params);
}
/// <summary>
/// Async for WinForms where secure threading is necessary, pass the control that will be used as Invoker
/// This method uses output filename to detect resulting type, same resolution as source and the same bitrate as source
/// </summary>
/// <param name="input"></param>
/// <param name="encodingCommand"></param>
/// <param name="outputFile"></param>
/// <param name="caller">The WinForm that makes the call</param>
public void EncodeVideoAsyncAutoCommand(VideoFile input, string outputFile, System.Windows.Forms.Control caller, int treadCount)
{
//Gather info
if (!input.infoGathered)
{
GetVideoInfo(input);
}
//If input video bitrate 0, then the correct video bitrate has not been detected, generate a value
if (input.VideoBitRate == 0)
{
//Use video height, guestimations, tweak these at ur own will
int h = input.Height;
if (h < 180) input.VideoBitRate = 400;
else if (h < 260) input.VideoBitRate = 1000;
else if (h < 400) input.VideoBitRate = 2000;
else if (h < 800) input.VideoBitRate = 5000;
else input.VideoBitRate = 8000;
}
//If input audio bitrate is 0, then the correct audio bitrate has not been detected, set it to 128k
if (input.AudioBitRate == 0) input.AudioBitRate = 128;
//Build encoding command
string encodingCommand = String.Format("-threads {0} -y -b {1} -ab {2}", treadCount.ToString(), input.VideoBitRate.ToString() + "k", input.AudioBitRate.ToString() + "k");
//Create new encoded video
tempEncodedVideo = new EncodedVideo();
tempEncodedVideo.EncodedVideoPath = outputFile;
//Set caller
tempCaller = caller;
//Set input
tempVideoFile = input;
//Create parameters
Params = string.Format("-i \"{0}\" {1} \"{2}\"", input.Path, encodingCommand, outputFile);
//Execute ffmpeg async
RunProcessAsync(Params);
}
private void listViewFlv_DragDrop(object sender, DragEventArgs e)
{
string[] stringTemp = (string[])e.Data.GetData(DataFormats.FileDrop);
//textStat.Clear();
listViewFlv.Items.Clear();
VideoEncoder.Encoder enc = new VideoEncoder.Encoder();
enc.FFmpegPath = "ffmpeg.exe";
for (int i = 0; i < stringTemp.Length; i++)
{
VideoFile vf = new VideoFile(stringTemp[i]);
enc.GetVideoInfo(vf);
TimeSpan t = vf.Duration;
//int tt =(int)t.TotalSeconds;
//seconds = (int)t.TotalSeconds / parts + 10;
ListViewItem it = new ListViewItem();
it.Text = stringTemp[i];
it.SubItems.Add(vf.Duration.ToString().Substring(0, vf.Duration.ToString().LastIndexOf(".")));
it.SubItems.Add(vf.BitRate.ToString());
it.SubItems.Add(vf.VideoBitRate.ToString());
it.SubItems.Add(vf.AudioBitRate.ToString());
listViewFlv.Items.Add(it);
// stringTemp[i] = stringTemp[i]
// + " Duration:" + t.TotalSeconds
// + " VideoRate:" + vf.VideoBitRate
// + " AudioRate:" + vf.AudioBitRate;
}
listViewFlv.Columns[0].Width = -1;
//listViewFlv.Columns[1].Width = -1;
//listViewFlv.Columns[4].Width = -1;
}
