private static string GetMetadata(MediaFile inputFile) => $"-i \"{inputFile.FileInfo.FullName}\" -f ffmetadata -";
private static string Convert(MediaFile inputFile, MediaFile outputFile, ConversionOptions conversionOptions)
{
var commandBuilder = new StringBuilder();
// Default conversion
if (conversionOptions == null)
{
return(commandBuilder.AppendFormat(" -i \"{0}\" \"{1}\" ", inputFile.FileInfo.FullName, outputFile.FileInfo.FullName).ToString());
}
// Media seek position
if (conversionOptions.Seek != null)
{
commandBuilder.AppendFormat(CultureInfo.InvariantCulture, " -ss {0} ", conversionOptions.Seek.Value.TotalSeconds);
}
commandBuilder.AppendFormat(" -i \"{0}\" ", inputFile.FileInfo.FullName);
// Physical media conversion (DVD etc)
if (conversionOptions.Target != Target.Default)
{
commandBuilder.Append(" -target ");
if (conversionOptions.TargetStandard != TargetStandard.Default)
{
commandBuilder.AppendFormat(" {0}-{1} \"{2}\" ", conversionOptions.TargetStandard.ToString().ToLowerInvariant(), conversionOptions.Target.ToString().ToLowerInvariant(), outputFile.FileInfo.FullName);
return(commandBuilder.ToString());
}
commandBuilder.AppendFormat("{0} \"{1}\" ", conversionOptions.Target.ToString().ToLowerInvariant(), outputFile.FileInfo.FullName);
return(commandBuilder.ToString());
}
// Audio bit rate
if (conversionOptions.AudioBitRate != null)
{
commandBuilder.AppendFormat(" -ab {0}k", conversionOptions.AudioBitRate);
}
// Audio sample rate
if (conversionOptions.AudioSampleRate != AudioSampleRate.Default)
{
commandBuilder.AppendFormat(" -ar {0} ", conversionOptions.AudioSampleRate.ToString().Replace("Hz", ""));
}
// Maximum video duration
if (conversionOptions.MaxVideoDuration != null)
{
commandBuilder.AppendFormat(" -t {0} ", conversionOptions.MaxVideoDuration);
}
// Video bit rate
if (conversionOptions.VideoBitRate != null)
{
commandBuilder.AppendFormat(" -b {0}k ", conversionOptions.VideoBitRate);
}
// AudioChannel
if (conversionOptions.AudioChannel != null)
{
commandBuilder.AppendFormat(" -ac {0} ", conversionOptions.AudioChannel);
}
// Video frame rate
if (conversionOptions.VideoFps != null)
{
commandBuilder.AppendFormat(" -r {0} ", conversionOptions.VideoFps);
}
// Video size / resolution
commandBuilder = AppendVideoSize(commandBuilder, conversionOptions);
// Video aspect ratio
commandBuilder = AppendVideoAspectRatio(commandBuilder, conversionOptions);
// Video cropping
commandBuilder = AppendVideoCropping(commandBuilder, conversionOptions);
if (conversionOptions.BaselineProfile)
{
commandBuilder.Append(" -profile:v baseline ");
}
return(commandBuilder.AppendFormat(" \"{0}\" ", outputFile.FileInfo.FullName).ToString());
}
private static string Convert(MediaFile inputFile, MediaFile outputFile, ConversionOptions conversionOptions)
{
var commandBuilder = new StringBuilder();
// Default conversion
if (conversionOptions == null)
{
return(commandBuilder.AppendFormat(" -i \"{0}\" \"{1}\" ", inputFile.FileInfo.FullName, outputFile.FileInfo.FullName).ToString());
}
// Media seek position
if (conversionOptions.Seek != null)
{
commandBuilder.AppendFormat(CultureInfo.InvariantCulture, " -ss {0} ", conversionOptions.Seek.Value.TotalSeconds);
}
commandBuilder.AppendFormat(" -i \"{0}\" ", inputFile.FileInfo.FullName);
// Physical media conversion (DVD etc)
if (conversionOptions.Target != Target.Default)
{
commandBuilder.Append(" -target ");
if (conversionOptions.TargetStandard != TargetStandard.Default)
{
commandBuilder.AppendFormat(" {0}-{1} \"{2}\" ", conversionOptions.TargetStandard.ToString().ToLowerInvariant(), conversionOptions.Target.ToString().ToLowerInvariant(), outputFile.FileInfo.FullName);
return(commandBuilder.ToString());
}
commandBuilder.AppendFormat("{0} \"{1}\" ", conversionOptions.Target.ToString().ToLowerInvariant(), outputFile.FileInfo.FullName);
return(commandBuilder.ToString());
}
// Audio bit rate
if (conversionOptions.AudioBitRate != null)
{
commandBuilder.AppendFormat(" -ab {0}k", conversionOptions.AudioBitRate);
}
// Audio sample rate
if (conversionOptions.AudioSampleRate != AudioSampleRate.Default)
{
commandBuilder.AppendFormat(" -ar {0} ", conversionOptions.AudioSampleRate.ToString().Replace("Hz", ""));
}
// Maximum video duration
if (conversionOptions.MaxVideoDuration != null)
{
commandBuilder.AppendFormat(" -t {0} ", conversionOptions.MaxVideoDuration);
}
// Video bit rate
if (conversionOptions.VideoBitRate != null)
{
commandBuilder.AppendFormat(" -b {0}k ", conversionOptions.VideoBitRate);
}
// Video frame rate
if (conversionOptions.VideoFps != null)
{
commandBuilder.AppendFormat(" -r {0} ", conversionOptions.VideoFps);
}
// Video size / resolution
if (conversionOptions.VideoSize == VideoSize.Custom)
{
commandBuilder.AppendFormat(" -vf \"scale={0}:{1}\" ", conversionOptions.CustomWidth ?? -2, conversionOptions.CustomHeight ?? -2);
}
else if (conversionOptions.VideoSize != VideoSize.Default)
{
var size = conversionOptions.VideoSize.ToString().ToLowerInvariant();
if (size.StartsWith("_"))
{
size = size.Replace("_", "");
}
if (size.Contains("_"))
{
size = size.Replace("_", "-");
}
commandBuilder.AppendFormat(" -s {0} ", size);
}
// Video aspect ratio
if (conversionOptions.VideoAspectRatio != VideoAspectRatio.Default)
{
var ratio = conversionOptions.VideoAspectRatio.ToString();
ratio = ratio.Substring(1);
ratio = ratio.Replace("_", ":");
commandBuilder.AppendFormat(" -aspect {0} ", ratio);
}
// Video cropping
if (conversionOptions.SourceCrop != null)
{
var crop = conversionOptions.SourceCrop;
commandBuilder.AppendFormat(" -filter:v \"crop={0}:{1}:{2}:{3}\" ", crop.Width, crop.Height, crop.X, crop.Y);
}
if (conversionOptions.BaselineProfile)
{
commandBuilder.Append(" -profile:v baseline ");
}
if (!string.IsNullOrEmpty(conversionOptions.FFmpegDrawTextArgs))
{
commandBuilder.AppendFormat(" -vf drawtext=\"{0}\" ", conversionOptions.FFmpegDrawTextArgs);
}
if (!string.IsNullOrEmpty(conversionOptions.ExtraFFmpegArgs))
{
commandBuilder.AppendFormat(" {0} ", conversionOptions.ExtraFFmpegArgs);
}
return(commandBuilder.AppendFormat(" \"{0}\" ", outputFile.FileInfo.FullName).ToString());
}
public async Task <MediaFile> ConvertAsync(MediaFile input, MediaFile output, CancellationToken cancellationToken = default) => await ConvertAsync(input, output, default, cancellationToken);
public async Task <MediaFile> GetThumbnailAsync(MediaFile input, MediaFile output, CancellationToken cancellationToken = default) => await GetThumbnailAsync(input, output, default, cancellationToken);
private static string Convert(MediaFile inputFile, MediaFile outputFile, ConversionOptions conversionOptions)
{
var commandBuilder = new StringBuilder();
// Default conversion
if (conversionOptions == null)
{
return(commandBuilder.AppendFormat(" -i \"{0}\" \"{1}\" ", inputFile.FileInfo.FullName, outputFile.FileInfo.FullName).ToString());
}
if (conversionOptions.HideBanner)
{
commandBuilder.Append(" -hide_banner ");
}
if (conversionOptions.Threads != 0)
{
commandBuilder.AppendFormat(" -threads {0} ", conversionOptions.Threads);
}
// HW Accel
if (conversionOptions.HWAccel != HWAccel.None)
{
commandBuilder.AppendFormat(" -hwaccel {0} ", conversionOptions.HWAccel);
AppendHWAccelOutputFormat(commandBuilder, conversionOptions);
}
// Media seek position
if (conversionOptions.Seek != null)
{
commandBuilder.AppendFormat(CultureInfo.InvariantCulture, " -ss {0} ", conversionOptions.Seek.Value.TotalSeconds);
}
commandBuilder.AppendFormat(" -i \"{0}\" ", inputFile.FileInfo.FullName);
// Physical media conversion (DVD etc)
if (conversionOptions.Target != Target.Default)
{
commandBuilder.Append(" -target ");
if (conversionOptions.TargetStandard != TargetStandard.Default)
{
commandBuilder.AppendFormat(" {0}-{1} \"{2}\" ", conversionOptions.TargetStandard.ToString().ToLowerInvariant(), conversionOptions.Target.ToString().ToLowerInvariant(), outputFile.FileInfo.FullName);
return(commandBuilder.ToString());
}
commandBuilder.AppendFormat("{0} \"{1}\" ", conversionOptions.Target.ToString().ToLowerInvariant(), outputFile.FileInfo.FullName);
return(commandBuilder.ToString());
}
// Video Format
commandBuilder = AppendVideoFormat(commandBuilder, conversionOptions);
// Video Codec
commandBuilder = AppendVideoCodec(commandBuilder, conversionOptions);
// Video Codec Preset
if (conversionOptions.VideoCodecPreset != VideoCodecPreset.Default)
{
commandBuilder.AppendFormat(" -preset {0} ", conversionOptions.VideoCodecPreset);
}
// Video Codec Profile
if (conversionOptions.VideoCodecProfile != VideoCodecProfile.Default)
{
commandBuilder.AppendFormat(" -profile:v {0} ", conversionOptions.VideoCodecProfile);
}
// Video Time Scale
if (conversionOptions.VideoTimeScale != null && conversionOptions.VideoTimeScale != 1)
{
commandBuilder.AppendFormat(" -filter:v \"setpts = {0} * PTS\" ", conversionOptions.VideoTimeScale.ToString().Replace(",", "."));
}
// Maximum video duration
if (conversionOptions.MaxVideoDuration != null)
{
commandBuilder.AppendFormat(" -t {0} ", conversionOptions.MaxVideoDuration);
}
// Video bit rate
if (conversionOptions.VideoBitRate != null)
{
commandBuilder.AppendFormat(" -b:v {0}k ", conversionOptions.VideoBitRate);
}
// Video frame rate
if (conversionOptions.VideoFps != null)
{
commandBuilder.AppendFormat(" -r {0} ", conversionOptions.VideoFps);
}
// Video size / resolution
commandBuilder = AppendVideoSize(commandBuilder, conversionOptions);
// Video aspect ratio
commandBuilder = AppendVideoAspectRatio(commandBuilder, conversionOptions);
// Video cropping
commandBuilder = AppendVideoCropping(commandBuilder, conversionOptions);
#region Audio
// Audio bit rate
if (conversionOptions.AudioBitRate != null)
{
commandBuilder.AppendFormat(" -ab {0}k", conversionOptions.AudioBitRate);
}
// Audio sample rate
if (conversionOptions.AudioSampleRate != AudioSampleRate.Default)
{
commandBuilder.AppendFormat(" -ar {0} ", conversionOptions.AudioSampleRate.ToString().Replace("Hz", ""));
}
// Remove Audio
if (conversionOptions.RemoveAudio)
{
commandBuilder.Append(" -an ");
}
#endregion
if (conversionOptions.MapMetadata)
{
commandBuilder.Append(" -map_metadata 0 ");
}
return(commandBuilder.AppendFormat(" \"{0}\" ", outputFile.FileInfo.FullName).ToString());
}
public Task GetMetadataAsync(MediaFile inputFile)
{
throw new NotImplementedException();
}
