/// <summary>
/// 创建Transcode
/// </summary>
/// <param name="deviceId"></param>
/// <param name="vhostDomain"></param>
/// <param name="transcode"></param>
/// <param name="rs"></param>
/// <returns></returns>
public static bool CreateVhostTranscode(string deviceId, string vhostDomain, Transcode transcode,
out ResponseStruct rs)
{
rs = new ResponseStruct()
{
Code = ErrorNumber.None,
Message = ErrorMessage.ErrorDic ![ErrorNumber.None],
private async void Transcode(Movie movie, Transcode transcodeProfile, Server server, string callbackUrl)
{
var client = new SshClient(server.Ip, "root", server.RootPassword);
try
{
string successCallbackUrl = callbackUrl.Replace("STATE", StreamState.Ready.ToString());
var options = new Dictionary <string, string>
{
{ "hls_time", "4" },
{ "hls_playlist_type", "vod" }
};
string transcoder = FFMPEGCommand.MakeCommand(transcodeProfile, movie.Source, $"/var/hls/{movie.StreamKey}", options);
string prepareCommand = $"mkdir /var/hls/{movie.StreamKey}";
prepareCommand += $" && cd /var/hls/{movie.StreamKey}";
prepareCommand += $" && mkdir 1080p 720p 480p 360p";
client.Connect();
client.RunCommand(prepareCommand);
var cmd = client.CreateCommand($"nohup sh -c '{transcoder} && curl -i -X GET {successCallbackUrl}' >/dev/null 2>&1 & echo $!");
var result = cmd.Execute();
int pid = int.Parse(result);
client.RunCommand($"disown -h {pid}");
client.Disconnect();
client.Dispose();
}
catch (Exception)
{
string failCallbackUrl = callbackUrl.Replace("STATE", StreamState.Error.ToString());
var httpClient = new HttpClient();
await httpClient.GetAsync(failCallbackUrl);
}
}
public void CanTranscode()
{
using (var stream1 = new MemoryStream())
using (var stream2 = new MemoryStream())
using (var writerStream1 = new WriterStream(stream1))
using (var writerStream2 = new WriterStream(stream2))
{
// write into compact binary protocol first
var writer = writerStream1.CreateCompactBinaryWriter();
writer.Write(this.testObject);
stream1.Position = 0;
using (var readerStream1 = ReaderStream.FromMemoryStreamBuffer(stream1, null))
{
var reader = readerStream1.CreateCompactBinaryReader();
// re-write as simple protocol
var writer2 = writerStream2.CreateSimpleBinaryWriter();
Transcode.FromTo(reader, writer2);
stream2.Position = 0;
using (var readerStream2 = new ReaderStream(stream2))
{
var reader2 = readerStream2.CreateSimpleBinaryReader();
var anotherObject = reader2.Read <AnotherDerivedThing>();
Assert.IsTrue(Comparer.Equal(anotherObject, this.testObject));
}
}
}
}
public async Task <IActionResult> Edit(Transcode model)
{
if (ModelState.IsValid)
{
await transcodeRepository.Edit(model);
return(RedirectToAction(nameof(Manage)));
}
return(View());
}
public static void TranscodeCBFB(Stream from, Stream to)
{
var input = new InputStream(from, 11);
var reader = new CompactBinaryReader <InputStream>(input);
var output = new OutputStream(to, 19);
var writer = new FastBinaryWriter <OutputStream>(output);
Transcode.FromTo(reader, writer);
output.Flush();
}
public static void TranscodeCBJson <From>(Stream from, Stream to)
{
var input = new InputStream(from, 11);
var reader = new CompactBinaryReader <InputStream>(input);
var writer = new SimpleJsonWriter(to);
Transcode <From> .FromTo(reader, writer);
writer.Flush();
}
internal Transcoder(MediaSource source)
{
TranscodingProcess = new Transcode(source);
TranscodingProcess.Exited += TranscodingProcess_Exited;
Timer = new System.Timers.Timer(1000);
Timer.AutoReset = true;
Timer.Elapsed += Timer_Elapsed;
Timer.Start();
lock (this)
Status = TranscodingProcess.BeginTranscodeJob() != 0 ? TranscodingStatus.Error : TranscodingStatus.Initializing;
TranscodingService.NotifyAll(source.Key, Status);
}
public static void TranscodeSPSP <From>(Stream from, Stream to)
{
var input = new InputStream(from, 11);
var reader = new SimpleBinaryReader <InputStream>(input);
var output = new OutputStream(to, 19);
var writer = new SimpleBinaryWriter <OutputStream>(output);
Transcode <From> .FromTo(reader, writer);
output.Flush();
}
public static void TranscodeCBXml <From>(Stream from, Stream to)
{
var input = new InputStream(from, 11);
var reader = new CompactBinaryReader <InputStream>(input);
var hasBase = Schema <From> .RuntimeSchema.HasBase;
var writer = new SimpleXmlWriter(to, new SimpleXmlWriter.Settings {
UseNamespaces = hasBase
});
Transcode <From> .FromTo(reader, writer);
writer.Flush();
}
public JsonResult SetVhostTranscode(string deviceId, string vhostDomain, string transcodeInstanceName,
Transcode transcode)
{
ResponseStruct rss = CommonFunctions.CheckParams(new object[]
{ deviceId, vhostDomain, transcodeInstanceName, transcode });
if (rss.Code != ErrorNumber.None)
{
return(Program.CommonFunctions.DelApisResult(null !, rss));
}
var rt = VhostTranscodeApis.SetVhostTranscode(deviceId, vhostDomain, transcodeInstanceName, transcode,
out ResponseStruct rs);
return(Program.CommonFunctions.DelApisResult(rt, rs));
}
static void Main()
{
var src = new Example
{
Widgets =
{
new Widget {
Name = "Konfabulator", Number = 3.14
}
}
};
var output = new OutputBuffer();
var writer = new CompactBinaryWriter <OutputBuffer>(output);
Serialize.To(writer, src);
var input = new InputBuffer(output.Data);
var reader = new CompactBinaryReader <InputBuffer>(input);
var xmlString = new StringBuilder();
var xmlWriter = new SimpleXmlWriter(XmlWriter.Create(xmlString, new XmlWriterSettings
{
OmitXmlDeclaration = true,
Indent = true
}));
Transcode <Example> .FromTo(reader, xmlWriter);
xmlWriter.Flush();
string[] expectedLines =
@"<Example>
<Widgets>
<Item>
<Widget>
<Name>Konfabulator</Name>
<Number>3.14</Number>
</Widget>
</Item>
</Widgets>
</Example>".Split(new[] { "\r\n", "\n", "\r" }, StringSplitOptions.None);
string[] actualLines = xmlString.ToString().Split(new[] { "\r\n", "\n", "\r" }, StringSplitOptions.None);
ThrowIfFalse(expectedLines.SequenceEqual(actualLines));
}
public FormTranscode(Transcode trans)
{
InitializeComponent();
_trans = trans;
textName.Text = trans.Name;
textAudioBitrate.Text = trans.AudioBitrate.ToString();
textChannels.Text = trans.AudioChannels.ToString();
textFps.Text = trans.VideoFps.ToString(new NumberFormatInfo {
CurrencyDecimalSeparator = "."
});
textHeight.Text = trans.VideoHeight.ToString();
textVideoBitrate.Text = trans.VideoBitrate.ToString();
textWidth.Text = trans.VideoWidth.ToString();
comboAudioCodec.SelectedItem = string.IsNullOrEmpty(trans.AudioCodec) ? "" : trans.AudioCodec;
comboMux.SelectedItem = string.IsNullOrEmpty(trans.Incapsulate) ? "ts" : trans.Incapsulate;
comboRate.SelectedText = trans.AudioRate > 0 ? trans.AudioRate.ToString() : "";
comboVideoCodec.SelectedItem = string.IsNullOrEmpty(trans.VideoCodec) ? "" : trans.VideoCodec;
}
static void Main()
{
var src = new Example
{
Widgets =
{
new Widget {
Name = "Konfabulator", Number = 3.14
}
}
};
var output = new OutputBuffer();
var writer = new CompactBinaryWriter <OutputBuffer>(output);
Serialize.To(writer, src);
var input = new InputBuffer(output.Data);
var reader = new CompactBinaryReader <InputBuffer>(input);
var xmlString = new StringBuilder();
var xmlWriter = new SimpleXmlWriter(XmlWriter.Create(xmlString, new XmlWriterSettings
{
OmitXmlDeclaration = true,
Indent = true
}));
Transcode <Example> .FromTo(reader, xmlWriter);
xmlWriter.Flush();
Debug.Assert(xmlString.ToString() ==
@"<Example>
<Widgets>
<Item>
<Widget>
<Name>Konfabulator</Name>
<Number>3.14</Number>
</Widget>
</Item>
</Widgets>
</Example>");
}
private void btnTransAdd_Click(object sender, EventArgs e)
{
var broadcaster = _app.Broadcaster as VlcBroadcaster;
if (broadcaster == null)
{
return;
}
Transcode trans = new Transcode("Новый профиль");
var form = new FormTranscode(trans);
form.Closed += (o, args) =>
{
if (form.DialogResult == DialogResult.OK)
{
broadcaster.AddTranscode(trans);
broadcaster.SaveTranscodes();
comboTranscode.Items.Add(trans.Name);
comboTranscode.SelectedItem = trans.Name;
}
};
form.ShowDialog();
}
private void StartTranscoding_Click(object sender, EventArgs e)
{
if (originalFileData == null || string.IsNullOrEmpty(FilePathAndName.Text) || string.IsNullOrEmpty(SaveFilePathName.Text))
{
MessageBox.Show("Nie wybrano pliku wideo lub nie podano ścieżki zapisu (lub jest nie poprawna), albo parametry są nieprawidłowe.", "Błąd", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
var param = new TranscodeParams()
{
Path = SaveFilePathName.Text,
Format = ".avi",
Name = (string.IsNullOrEmpty(originalFileData?.Name) ? "NoweWideo" : originalFileData.Name.Split('.')[0]),
AudioCodec = (AudioCodec)Enum.Parse(typeof(AudioCodec), AudioCodecList.SelectedItem.ToString()),
VideoCodec = (VideoCodec)Enum.Parse(typeof(VideoCodec), VideoCodecList.SelectedItem.ToString()),
FPS = (int)FPS.Value,
Width = (int)VideoWidth.Value,
Height = (int)VideoHeight.Value,
SetSize = SetSizeRadio.Checked,
VideoBitrate = (int)VideoBitrate.Value,
AudioBitrate = (int)AudioBitrate.Value,
Container = ContainerList.SelectedItem.ToString(),
Scale = (float)Scale.Value,
};
var tran = new Transcode(param, originalFileData, vlcPath);
tran.Execute();
MessageBox.Show(
$"Użyte argumenty: {tran.Argumets}\r\n" +
$"Czas transkodowania: {tran.TargetParams.Time / 1000} sekund\r\n" +
$"Oryginalny rozmiar: {tran.TargetParams.OriginalSize} kB\r\n" +
$"Nowy rozmiar: {tran.TargetParams.TranscodedSize} kB\r\n"
, "Wynik transkodowania", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
public static string MakeCommand(Transcode transcodeProfile, string input, string output, IDictionary <string, string> options)
{
string inputOption = options.ContainsKey("-f") ? $"-f {options["-f"]}" : string.Empty;
inputOption += options.ContainsKey("-safe") ? $" -safe {options["-safe"]}" : string.Empty;
StringBuilder command = new StringBuilder($"ffmpeg -y -nostdin -hide_banner {inputOption} -i {input}");
// 1920x1080
command.Append(" -vf scale=w=1920:h=1080:force_original_aspect_ratio=decrease");
command.Append($" -c:a {transcodeProfile.AudioCodec ?? "copy"}");
command.Append(transcodeProfile.AudioSampleRate_1080 > 0 ? $" -ar {transcodeProfile.AudioSampleRate_720}" : string.Empty);
command.Append($" -c:v {transcodeProfile.VideoCodec ?? "copy"}");
command.Append(!transcodeProfile.Preset.Equals("default") ? $" -preset {transcodeProfile.Preset}" : string.Empty);
command.Append(!transcodeProfile.VideoProfile.Equals("none") ? $" -profile:v {transcodeProfile.VideoProfile}" : string.Empty);
command.Append(transcodeProfile.CRF > 0 ? $" -crf {transcodeProfile.CRF}" : string.Empty);
command.Append(transcodeProfile.VideoBitrate_1080 > 0 ? $" -b:v {transcodeProfile.VideoBitrate_1080}k" : string.Empty);
command.Append(transcodeProfile.MaxBitrate_1080 > 0 ? $" -maxrate {transcodeProfile.MaxBitrate_1080}k" : string.Empty);
command.Append(transcodeProfile.BufferSize_1080 > 0 ? $" -bufsize {transcodeProfile.BufferSize_1080}k" : string.Empty);
command.Append(transcodeProfile.AudioBitrate_1080 > 0 ? $" -b:a {transcodeProfile.AudioBitrate_1080}k" : string.Empty);
if (options.ContainsKey("custom_output"))
{
command.Append($" -f mpegts {options["custom_output_1080p"]}");
}
else
{
command.Append(options.ContainsKey("hls_time") ? $" -hls_time {options["hls_time"]}" : string.Empty);
command.Append(options.ContainsKey("hls_playlist_type") ? $" -hls_playlist_type {options["hls_playlist_type"]}" : string.Empty);
command.Append(options.ContainsKey("hls_flags") ? $" -hls_flags {options["hls_flags"]}" : string.Empty);
command.Append($" -hls_segment_filename {output}/1080p/1080p_%d.ts {output}/1080p/1080p.m3u8");
}
// 1280x720
command.Append(" -vf scale=w=1280:h=720:force_original_aspect_ratio=decrease");
command.Append($" -c:a {transcodeProfile.AudioCodec ?? "copy"}");
command.Append(transcodeProfile.AudioSampleRate_720 > 0 ? $" -ar {transcodeProfile.AudioSampleRate_720}" : string.Empty);
command.Append($" -c:v {transcodeProfile.VideoCodec ?? "copy"}");
command.Append(!transcodeProfile.Preset.Equals("default") ? $" -preset {transcodeProfile.Preset}" : string.Empty);
command.Append(!transcodeProfile.VideoProfile.Equals("none") ? $" -profile:v {transcodeProfile.VideoProfile}" : string.Empty);
command.Append(transcodeProfile.CRF > 0 ? $" -crf {transcodeProfile.CRF}" : string.Empty);
command.Append(transcodeProfile.VideoBitrate_720 > 0 ? $" -b:v {transcodeProfile.VideoBitrate_720}k" : string.Empty);
command.Append(transcodeProfile.MaxBitrate_720 > 0 ? $" -maxrate {transcodeProfile.MaxBitrate_720}k" : string.Empty);
command.Append(transcodeProfile.BufferSize_720 > 0 ? $" -bufsize {transcodeProfile.BufferSize_720}k" : string.Empty);
command.Append(transcodeProfile.AudioBitrate_720 > 0 ? $" -b:a {transcodeProfile.AudioBitrate_720}k" : string.Empty);
if (options.ContainsKey("custom_output"))
{
command.Append($" -f mpegts {options["custom_output_720p"]}");
}
else
{
command.Append(options.ContainsKey("hls_time") ? $" -hls_time {options["hls_time"]}" : string.Empty);
command.Append(options.ContainsKey("hls_playlist_type") ? $" -hls_playlist_type {options["hls_playlist_type"]}" : string.Empty);
command.Append(options.ContainsKey("hls_flags") ? $" -hls_flags {options["hls_flags"]}" : string.Empty);
command.Append($" -hls_segment_filename {output}/720p/720p_%d.ts {output}/720p/720p.m3u8");
}
// 842x480
command.Append(" -vf scale=w=842:h=480:force_original_aspect_ratio=decrease");
command.Append($" -c:a {transcodeProfile.AudioCodec ?? "copy"}");
command.Append(transcodeProfile.AudioSampleRate_480 > 0 ? $" -ar {transcodeProfile.AudioSampleRate_480}" : string.Empty);
command.Append($" -c:v {transcodeProfile.VideoCodec ?? "copy"}");
command.Append(!transcodeProfile.Preset.Equals("default") ? $" -preset {transcodeProfile.Preset}" : string.Empty);
command.Append(!transcodeProfile.VideoProfile.Equals("none") ? $" -profile:v {transcodeProfile.VideoProfile}" : string.Empty);
command.Append(transcodeProfile.CRF > 0 ? $" -crf {transcodeProfile.CRF}" : string.Empty);
command.Append(transcodeProfile.VideoBitrate_480 > 0 ? $" -b:v {transcodeProfile.VideoBitrate_480}k" : string.Empty);
command.Append(transcodeProfile.MaxBitrate_480 > 0 ? $" -maxrate {transcodeProfile.MaxBitrate_480}k" : string.Empty);
command.Append(transcodeProfile.BufferSize_480 > 0 ? $" -bufsize {transcodeProfile.BufferSize_480}k" : string.Empty);
command.Append(transcodeProfile.AudioBitrate_480 > 0 ? $" -b:a {transcodeProfile.AudioBitrate_480}k" : string.Empty);
if (options.ContainsKey("custom_output"))
{
command.Append($" -f mpegts {options["custom_output_480p"]}");
}
else
{
command.Append(options.ContainsKey("hls_time") ? $" -hls_time {options["hls_time"]}" : string.Empty);
command.Append(options.ContainsKey("hls_playlist_type") ? $" -hls_playlist_type {options["hls_playlist_type"]}" : string.Empty);
command.Append(options.ContainsKey("hls_flags") ? $" -hls_flags {options["hls_flags"]}" : string.Empty);
command.Append($" -hls_segment_filename {output}/480p/480p_%d.ts {output}/480p/480p.m3u8");
}
// 640x360
command.Append(" -vf scale=w=640:h=360:force_original_aspect_ratio=decrease");
command.Append($" -c:a {transcodeProfile.AudioCodec ?? "copy"}");
command.Append(transcodeProfile.AudioSampleRate_360 > 0 ? $" -ar {transcodeProfile.AudioSampleRate_480}" : string.Empty);
command.Append($" -c:v {transcodeProfile.VideoCodec ?? "copy"}");
command.Append(!transcodeProfile.Preset.Equals("default") ? $" -preset {transcodeProfile.Preset}" : string.Empty);
command.Append(!transcodeProfile.VideoProfile.Equals("none") ? $" -profile:v {transcodeProfile.VideoProfile}" : string.Empty);
command.Append(transcodeProfile.CRF > 0 ? $" -crf {transcodeProfile.CRF}" : string.Empty);
command.Append(transcodeProfile.VideoBitrate_360 > 0 ? $" -b:v {transcodeProfile.VideoBitrate_360}k" : string.Empty);
command.Append(transcodeProfile.MaxBitrate_360 > 0 ? $" -maxrate {transcodeProfile.MaxBitrate_360}k" : string.Empty);
command.Append(transcodeProfile.BufferSize_360 > 0 ? $" -bufsize {transcodeProfile.BufferSize_360}k" : string.Empty);
command.Append(transcodeProfile.AudioBitrate_360 > 0 ? $" -b:a {transcodeProfile.AudioBitrate_360}k" : string.Empty);
if (options.ContainsKey("custom_output"))
{
command.Append($" -f mpegts {options["custom_output_360p"]}");
}
else
{
command.Append(options.ContainsKey("hls_time") ? $" -hls_time {options["hls_time"]}" : string.Empty);
command.Append(options.ContainsKey("hls_playlist_type") ? $" -hls_playlist_type {options["hls_playlist_type"]}" : string.Empty);
command.Append(options.ContainsKey("hls_flags") ? $" -hls_flags {options["hls_flags"]}" : string.Empty);
command.Append($" -hls_segment_filename {output}/360p/360p_%d.ts {output}/360p/360p.m3u8");
}
return(command.ToString());
}
private static void write_Vhost_Transcode(Transcode o, out string output, int segmentLevel,
List <Type> types = null !)
{
output = "";
string segmentSpace_head = paddingSegment(segmentLevel).Key;
string segmentSpace = paddingSegment(segmentLevel).Value;
output += segmentSpace_head + o.SectionsName?.ToLower().Trim() + " " + o.InstanceName + " { \r\n";
foreach (PropertyInfo p in o.GetType().GetProperties())
{
object?obj = p.GetValue(o);
if (obj == null)
{
continue;
}
if (p.Name.ToLower().Trim() == "sectionsname" || p.Name.ToLower().Trim() == "instancename" ||
p.Name.ToLower().Trim() == "ingestname")
{
continue;
}
if ((p.PropertyType == typeof(string) || p.PropertyType == typeof(int?) ||
p.PropertyType == typeof(ushort?) ||
p.PropertyType == typeof(byte?) ||
p.PropertyType == typeof(float?) || p.PropertyType == typeof(bool?)) ||
((types != null) && types.Contains(p.PropertyType)))
{
if (obj != null)
{
if (p.PropertyType == typeof(bool?))
{
string s = "";
s = Common.GetBoolStr(p, o);
string sTmp = segmentSpace + p.Name.Trim().ToLower() + "\t" + s + ";";
output += (sTmp + "\r\n");
}
else
{
string sTmp = segmentSpace + p.Name.Trim().ToLower() + "\t" + obj + ";";
output += (sTmp + "\r\n");
}
}
}
}
foreach (PropertyInfo p in o.GetType().GetProperties()) //循环非基础类型数据，为了保证基础类型数据在顶上
{
object?obj = p.GetValue(o);
if (obj == null)
{
continue;
}
if (p.Name.ToLower().Trim() == "sectionsname" || p.Name.ToLower().Trim() == "instancename")
{
continue;
}
if (p.PropertyType == typeof(List <IngestTranscodeEngine>))
{
List <Type> types1 = new List <Type>();
types1.Add(typeof(IngestEngineIoformat?));
types1.Add(typeof(IngestEngineVprofile?));
types1.Add(typeof(IngestEngineVpreset?));
if (o.Engines != null)
{
foreach (IngestTranscodeEngine i in o.Engines)
{
string s = "";
write_Vhost_Ingest_Engine(i, out s, 3, types1);
output += s;
}
}
}
}
output += segmentSpace_head + "}\r\n";
}
private async void Transcode(Channel channel, Transcode transcodeProfile, Server server, string callbackUrl)
{
var client = new SshClient(server.Ip, "root", server.RootPassword);
try
{
string successCallbackUrl = callbackUrl.Replace("/STATE", string.Empty);
string streamDirectory = $"/var/hls/{channel.StreamKey}";
string prepareCommand = $"mkdir {streamDirectory}";
string[] resolutions = new string[]
{
"1080p",
"720p",
"480p",
"360p"
};
prepareCommand += $" && cd {streamDirectory}";
prepareCommand += " && mkdir 1080p 720p 480p 360p sources";
prepareCommand += " && cd sources";
prepareCommand += " && mkdir 1080p 720p 480p 360p";
foreach (string resolution in resolutions)
{
StringBuilder sourceList = new StringBuilder();
for (int i = 0; i < channel.SourcePath.Length; i++)
{
sourceList.Append($"file '{streamDirectory}/sources/{resolution}/{i}.ts'\n");
}
prepareCommand += $" && printf \"{sourceList}\" > {streamDirectory}/sources/{resolution}/source_list.txt";
}
client.Connect();
client.RunCommand(prepareCommand);
for (int i = 0; i < channel.SourcePath.Length; i++)
{
var options = new Dictionary <string, string>
{
{ "custom_output", string.Empty },
{ "custom_output_1080p", $"{streamDirectory}/sources/1080p/{i}.ts" },
{ "custom_output_720p", $"{streamDirectory}/sources/720p/{i}.ts" },
{ "custom_output_480p", $"{streamDirectory}/sources/480p/{i}.ts" },
{ "custom_output_360p", $"{streamDirectory}/sources/360p/{i}.ts" }
};
string transcoder = FFMPEGCommand.MakeCommand(transcodeProfile, channel.SourcePath[i], string.Empty, options);
var cmd = client.CreateCommand($"nohup sh -c '{transcoder} && curl -i -X GET {successCallbackUrl}' >/dev/null 2>&1 & echo $!");
var result = cmd.Execute();
int pid = int.Parse(result);
client.RunCommand($"disown -h {pid}");
}
client.Disconnect();
client.Dispose();
}
catch (Exception)
{
string failCallbackUrl = callbackUrl.Replace("STATE", StreamState.Error.ToString());
var httpClient = new HttpClient();
await httpClient.GetAsync(failCallbackUrl);
}
}
