/// <summary>
/// 生成混流任务
/// </summary>
/// <param name="param">音频输入地址</param>
/// <param name="input"></param>
/// <param name="output"></param>
/// <param name="preset"></param>
/// <param name="useHdr"></param>
/// <param name="originInput"></param>
/// <param name="extra">混流目标输出地址</param>
/// <returns></returns>
public static (string exefile, string args) Build(string param, string input, string output, Preset preset, bool useHdr, string originInput, string extra)
{
var baseDir = AppContext.EncodingContext.BaseDir;
var(ext, _) = FileSelector.FileName.GetOutputExt(preset.MuxFormat);
var muxOutput = FileSelector.FileName.RecalcOutputPath(input, extra, "_mux", ext);
if (input == originInput)
{
muxOutput = extra;
}
var audioInput = param;
if (preset.MuxFormat == OutputFormat.MKV)
{
var mkvmerge = Path.Combine(baseDir, "Libs\\mkvmerge.exe");
var mkvArgs = $"-o \"{muxOutput}\" -A \"{input}\" -D \"{audioInput}\"";
return(mkvmerge, mkvArgs);
}
var ffmpegFile = Path.Combine(baseDir, "Libs\\ffmpeg.exe");
var extraArgs = "";
if (preset.MuxFormat == OutputFormat.MP4)
{
extraArgs = "-movflags faststart";
}
var format = TaskArgBuilder.GetFormat(preset.MuxFormat);
var args = $"-i \"{input}\" -i \"{audioInput}\" -map 0:v -map 1:a -c copy {extraArgs} -f {format} \"{muxOutput}\"";
return(ffmpegFile, args);
}
public static (string exefile, string args) Build(string param, string input, string output, Preset preset, bool useHdr, string originInput, string assInput)
{
var exeFileName = TaskArgBuilder.GetBaseEncoderFile(preset);
string ioargs = TaskArgBuilder.GetIOArgs(input, output, preset);
string gargs = TaskArgBuilder.GenericArgumentBuilder(preset, useHdr);
var addArgs = new List <string>
{
preset.Decoder switch
{
Presets.Decoder.AVSW => "--avsw",
Presets.Decoder.AVHW => "--avhw",
}
};
if (preset.IsSetOutputRes)
{
addArgs.Add("--output-res");
addArgs.Add($"{preset.OutputResWidth}x{preset.OUtputResHeight}");
}
if (preset.IsSetAvSync && preset.AudioEncode != AudioEncode.None)
{
addArgs.Add("--avsync");
addArgs.Add(preset.AVSync switch
{
AVSync.Cfr => "cfr",
AVSync.ForceCfr => "forcecfr",
AVSync.Vfr => "vfr",
});
public static (string exefile, string args) Build(string param, string input, string output, Preset preset, bool useHdr, string originInput, string extra)
{
var exeFileName = Path.Combine(AppContext.EncodingContext.BaseDir, "Libs\\ffmpeg.exe");
int transfer;
int prim;
int matrix;
switch (param)
{
case "HDR10":
prim = 9;
transfer = 16;
matrix = 9;
break;
case "HLG":
prim = 9;
transfer = 18;
matrix = 9;
break;
case "SDR":
default:
prim = 1;
transfer = 1;
matrix = 1;
break;
}
var format = TaskArgBuilder.GetFormat(preset.OutputFormat);
var args = $"-i \"{input}\" -c copy " +
$"-bsf:v hevc_metadata=colour_primaries={prim}:transfer_characteristics={transfer}:matrix_coefficients={matrix} " +
$"-f {format} \"{output}\"";
return(exeFileName, args);
}
public static (string exefile, string args) Build(string param, string input, string output, Preset preset, bool useHdr, string originInput, string extra)
{
var tempFileList = new List <string>(); //临时文件
var baseDir = AppContext.EncodingContext.BaseDir;
var workDir = Path.GetDirectoryName(output);
//build bat
var batName = Path.GetFileNameWithoutExtension(output) + "_ffmpegPipeBatTemp.bat";
var batFullname = Path.Combine(workDir, batName); //bat文件本身不记录在临时文件里
var batSb = new StringBuilder();
batSb.Append("@echo off\n");
var ffmpegFile = Path.Combine(baseDir, "Libs\\ffmpeg.exe");
var encoderFile = TaskArgBuilder.GetBaseEncoderFile(preset);
var gargs = TaskArgBuilder.GenericArgumentBuilder(preset, useHdr);
var addArgList = new List <string>();
if (preset.IsSetOutputRes)
{
addArgList.Add("--output-res");
addArgList.Add($"{preset.OutputResWidth}x{preset.OUtputResHeight}");
}
if (preset.IsSetAvSync && preset.AudioEncode != AudioEncode.None)
{
addArgList.Add("--avsync");
addArgList.Add(preset.AVSync switch
{
AVSync.Cfr => "cfr",
AVSync.ForceCfr => "forcecfr",
AVSync.Vfr => "vfr",
});
public static (string exefile, string args) Build(string param, string input, string output, Preset preset, bool useHdr, string originInput, string extra)
{
var tempFileList = new List <string>(); //临时文件
var baseDir = AppContext.EncodingContext.BaseDir;
var workDir = Path.GetDirectoryName(output);
var vpyName = Path.GetFileNameWithoutExtension(output) + "_vpyTemp.vpy";
var vpyFullname = Path.Combine(workDir, vpyName);
tempFileList.Add(vpyFullname);
var pyExtraLibName = Path.Combine(baseDir, "Libs\\site-packages");
var vpyFullContent = $"import sys\nsys.path.append(r'{pyExtraLibName}')\n\n" + param;
TempFile.SaveTempFile(vpyFullname, vpyFullContent, false);
//build bat
var batName = Path.GetFileNameWithoutExtension(output) + "_batTemp.bat";
var batFullname = Path.Combine(workDir, batName); //bat文件本身不记录在临时文件里
var batSb = new StringBuilder();
batSb.Append("@echo off\n");
var vspipeFile = Path.Combine(baseDir, "Libs\\VSPipe.exe");
var encoderFile = TaskArgBuilder.GetBaseEncoderFile(preset);
var gargs = TaskArgBuilder.GenericArgumentBuilder(preset, useHdr);
if (preset.AudioEncode == AudioEncode.Copy)
{
//复制音频流
//--生成无音频流视频
var tempVideoExt = Path.GetExtension(output);
var tempVideoOutput = Path.Combine(workDir, Path.GetFileNameWithoutExtension(output) + "_tempVideo" + tempVideoExt);
var ioargs = TaskArgBuilder.GetIOArgs("-", tempVideoOutput, preset);
batSb.Append($"\"{vspipeFile}\" --y4m \"{vpyFullname}\" - | \"{encoderFile}\" --y4m {ioargs} {gargs}\n");
tempFileList.Add(tempVideoOutput);
//--混流
var ffmpegFile = Path.Combine(baseDir, "Libs\\ffmpeg.exe");
var format = TaskArgBuilder.GetFormat(preset.OutputFormat);
var extraArgs = "";
if (preset.OutputFormat == OutputFormat.MP4)
{
extraArgs = "-movflags faststart";
}
batSb.Append($"\"{ffmpegFile}\" -i \"{tempVideoOutput}\" -i \"{input}\" -map 0:v -map 1:a -c copy {extraArgs} -f {format} \"{output}\"\n");
}
else if (preset.AudioEncode == AudioEncode.Encode)
{
//压制音频流
//--生成无音频流视频
var tempVideoExt = Path.GetExtension(output);
var tempVideoOutput = Path.Combine(workDir, Path.GetFileNameWithoutExtension(output) + "_tempVideo" + tempVideoExt);
var ioargs = TaskArgBuilder.GetIOArgs("-", tempVideoOutput, preset);
batSb.Append($"\"{vspipeFile}\" --y4m \"{vpyFullname}\" - | \"{encoderFile}\" --y4m {ioargs} {gargs}\n");
tempFileList.Add(tempVideoOutput);
//--qaac处理音频
var ffmpegFile = Path.Combine(baseDir, "Libs\\ffmpeg.exe");
var qaacFile = Path.Combine(baseDir, "Libs\\qaac64.exe");
var audioOutput = Path.Combine(workDir, Path.GetFileNameWithoutExtension(output) + "_tempAudio.m4a");
batSb.Append($"\"{ffmpegFile}\" -i \"{input}\" -vn -sn -v 0 -c:a pcm_s16le -f wav pipe: | \"{qaacFile}\" -q 2 --ignorelength -c {preset.AudioBitrate} - -o \"{audioOutput}\"\n");
tempFileList.Add(audioOutput);
//--混流
var format = TaskArgBuilder.GetFormat(preset.OutputFormat);
var extraArgs = "";
if (preset.OutputFormat == OutputFormat.MP4)
{
extraArgs = "-movflags faststart";
}
batSb.Append($"\"{ffmpegFile}\" -i \"{tempVideoOutput}\" -i \"{audioOutput}\" -map 0:v -map 1:a -c copy {extraArgs} -f {format} \"{output}\"\n");
}
else
{
//无音频流
var ioargs = TaskArgBuilder.GetIOArgs("-", output, preset);
batSb.Append($"\"{vspipeFile}\" --y4m \"{vpyFullname}\" - | \"{encoderFile}\" --y4m {ioargs} {gargs}\n");
}
foreach (var tempFile in tempFileList)
{
batSb.Append($"@del \"{tempFile}\"\n");
}
batSb.Append($"@del \"{batFullname}\"\n"); //删除bat文件自身
//save bat
TempFile.SaveTempFile(batFullname, batSb.ToString());
return(batFullname, "");
}
