/// <summary>
/// Convert a video do a different format.
/// </summary>
/// <param name="source">Input video source.</param>
/// <param name="output">Output information.</param>
/// <param name="type">Target conversion video type.</param>
/// <param name="speed">Conversion target speed/quality (faster speed = lower quality).</param>
/// <param name="size">Video size.</param>
/// <param name="audioQuality">Conversion target audio quality.</param>
/// <param name="multithreaded">Is encoding multithreaded.</param>
/// <returns>Output video information.</returns>
public VideoInfo Convert(
VideoInfo source,
FileInfo output,
VideoType type = VideoType.Mp4,
Speed speed =
Speed.SuperFast,
VideoSize size =
VideoSize.Original,
AudioQuality audioQuality = AudioQuality.Normal,
bool multithreaded = false)
{
FFMpegHelper.ConversionExceptionCheck(source.ToFileInfo(), output);
FFMpegHelper.ExtensionExceptionCheck(output, FileExtension.ForType(type));
FFMpegHelper.ConversionSizeExceptionCheck(source);
string args = "";
var height = source.Height * (source.Width / (int)size);
switch (type)
{
case VideoType.Mp4:
args = Arguments.Input(source) +
Arguments.Threads(multithreaded) +
Arguments.Scale(size, height) +
Arguments.Video(VideoCodec.LibX264, 2400) +
Arguments.Speed(speed) +
Arguments.Audio(AudioCodec.Aac, audioQuality) +
Arguments.Output(output);
break;
case VideoType.Ogv:
args = Arguments.Input(source) +
Arguments.Threads(multithreaded) +
Arguments.Scale(size, height) +
Arguments.Video(VideoCodec.LibTheora, 2400) +
Arguments.Speed(16) +
Arguments.Audio(AudioCodec.LibVorbis, audioQuality) +
Arguments.Output(output);
break;
case VideoType.Ts:
args = Arguments.Input(source) +
Arguments.Copy() +
Arguments.BitStreamFilter(Channel.Video, Filter.H264_Mp4ToAnnexB) +
Arguments.ForceFormat(VideoCodec.MpegTs) +
Arguments.Output(output);
break;
}
if (!RunProcess(args, output))
{
throw new FFMpegException(FFMpegExceptionType.Conversion, $"The video could not be converted to {Enum.GetName(typeof(VideoType), type)}");
}
return(new VideoInfo(output));
}
/// <summary>
/// Adds audio to a video file.
/// </summary>
/// <param name="source">Source video file.</param>
/// <param name="audio">Source audio file.</param>
/// <param name="output">Output video file.</param>
/// <param name="stopAtShortest">Indicates if the encoding should stop at the shortest input file.</param>
/// <returns>Success state</returns>
public bool ReplaceAudio(VideoInfo source, FileInfo audio, FileInfo output, bool stopAtShortest = false)
{
FfMpegHelper.ConversionExceptionCheck(source, output);
FfMpegHelper.InputFilesExistExceptionCheck(audio);
FfMpegHelper.ExtensionExceptionCheck(output, source.Extension);
var args = Arguments.Input(source) +
Arguments.Input(audio) +
Arguments.Copy(Channel.Video) +
Arguments.Audio(AudioCodec.Aac, AudioQuality.Hd) +
Arguments.FinalizeAtShortestInput() +
Arguments.Output(output);
return(RunProcess(args, output));
}
/// <summary>
/// Adds a poster image to an audio file.
/// </summary>
/// <param name="image">Source image file.</param>
/// <param name="audio">Source audio file.</param>
/// <param name="output">Output video file.</param>
/// <returns></returns>
public bool PosterWithAudio(FileInfo image, FileInfo audio, FileInfo output)
{
FfMpegHelper.InputFilesExistExceptionCheck(image, audio);
FfMpegHelper.ExtensionExceptionCheck(output, FfMpegHelper.Extensions.Mp4);
var args = Arguments.Loop(1) +
Arguments.Input(image) +
Arguments.Input(audio) +
Arguments.Video(VideoCodec.LibX264, 2400) +
Arguments.Audio(AudioCodec.Aac, AudioQuality.Normal) +
Arguments.FinalizeAtShortestInput() +
Arguments.Output(output);
return(RunProcess(args, output));
}
/// <summary>
/// Converts a source video to WebM format.
/// </summary>
/// <param name="source">Source video file.</param>
/// <param name="output">Output video file.</param>
/// <param name="size">Output video size.</param>
/// <param name="aQuality">Output audio quality.</param>
/// <returns>Success state.</returns>
public bool ToWebM(VideoInfo source, FileInfo output, VideoSize size = VideoSize.Original,
AudioQuality aQuality = AudioQuality.Normal)
{
_totalTime = source.Duration;
FfMpegHelper.ConversionExceptionCheck(source, output);
FfMpegHelper.ExtensionExceptionCheck(output, FfMpegHelper.Extensions.WebM);
var conversionArgs = Arguments.Input(source) +
Arguments.Scale(size) +
Arguments.Video(VideoCodec.LibVpx, 2400) +
Arguments.Speed(16) +
Arguments.Audio(AudioCodec.LibVorbis, aQuality) +
Arguments.Output(output);
return(RunProcess(conversionArgs, output));
}
/// <summary>
/// Converts a source video to MP4 format.
/// </summary>
/// <param name="source">Source video file.</param>
/// <param name="output">Output video file.</param>
/// <param name="speed">Conversion speed preset.</param>
/// <param name="size">Output video size.</param>
/// <param name="aQuality">Output audio quality.</param>
/// <param name="multithread">Use multithreading for conversion.</param>
/// <returns>Success state.</returns>
public bool ToMp4(VideoInfo source, FileInfo output, Speed speed = Speed.SuperFast,
VideoSize size = VideoSize.Original, AudioQuality aQuality = AudioQuality.Normal, bool multithread = false)
{
_totalTime = source.Duration;
FfMpegHelper.ConversionExceptionCheck(source, output);
FfMpegHelper.ExtensionExceptionCheck(output, FfMpegHelper.Extensions.Mp4);
var conversionArgs = Arguments.Input(source) +
Arguments.Threads(multithread) +
Arguments.Scale(size) +
Arguments.Video(VideoCodec.LibX264, 2400) +
Arguments.Speed(speed) +
Arguments.Audio(AudioCodec.Aac, aQuality) +
Arguments.Output(output);
return(RunProcess(conversionArgs, output));
}
/// <summary>
/// Converts a source video to OGV format.
/// </summary>
/// <param name="source">Source video file.</param>
/// <param name="output">Output video file.</param>
/// <param name="size">Output video size.</param>
/// <param name="aQuality">Output audio quality.</param>
/// <param name="multithread">Use multithreading for conversion.</param>
/// <returns>Success state.</returns>
public bool ToOgv(VideoInfo source, FileInfo output, VideoSize size = VideoSize.Original,
AudioQuality aQuality = AudioQuality.Normal, bool multithread = false)
{
_totalTime = source.Duration;
FfMpegHelper.ConversionExceptionCheck(source, output);
FfMpegHelper.ExtensionExceptionCheck(output, FfMpegHelper.Extensions.Ogv);
var newHeight = source.Height * (source.Width / (int)size);
var conversionArgs = Arguments.Input(source) +
Arguments.Threads(multithread) +
Arguments.Scale(size, newHeight) +
Arguments.Video(VideoCodec.LibTheora, 2400) +
Arguments.Speed(16) +
Arguments.Audio(AudioCodec.LibVorbis, aQuality) +
Arguments.Output(output);
return(RunProcess(conversionArgs, output));
}
/// <summary>
/// Adds audio to a video file.
/// </summary>
/// <param name="source">Source video file.</param>
/// <param name="audio">Source audio file.</param>
/// <param name="output">Output video file.</param>
/// <param name="stopAtShortest">Indicates if the encoding should stop at the shortest input file.</param>
/// <returns>Success state</returns>
public VideoInfo ReplaceAudio(VideoInfo source, FileInfo audio, FileInfo output, bool stopAtShortest = false)
{
FFMpegHelper.ConversionExceptionCheck(source.ToFileInfo(), output);
FFMpegHelper.InputsExistExceptionCheck(audio);
FFMpegHelper.ConversionSizeExceptionCheck(source);
FFMpegHelper.ExtensionExceptionCheck(output, source.Extension);
var args = Arguments.Input(source) +
Arguments.Input(audio) +
Arguments.Copy(Channel.Video) +
Arguments.Audio(AudioCodec.Aac, AudioQuality.Hd) +
Arguments.FinalizeAtShortestInput(stopAtShortest) +
Arguments.Output(output);
if (!RunProcess(args, output))
{
throw new FFMpegException(FFMpegExceptionType.Operation, "Could not replace the video audio.");
}
return(new VideoInfo(output));
}
/// <summary>
/// Adds a poster image to an audio file.
/// </summary>
/// <param name="image">Source image file.</param>
/// <param name="audio">Source audio file.</param>
/// <param name="output">Output video file.</param>
/// <returns></returns>
public VideoInfo PosterWithAudio(FileInfo image, FileInfo audio, FileInfo output)
{
FFMpegHelper.InputsExistExceptionCheck(image, audio);
FFMpegHelper.ExtensionExceptionCheck(output, FileExtension.Mp4);
FFMpegHelper.ConversionSizeExceptionCheck(Image.FromFile(image.FullName));
var args = Arguments.Loop(1) +
Arguments.Input(image) +
Arguments.Input(audio) +
Arguments.Video(VideoCodec.LibX264, 2400) +
Arguments.Audio(AudioCodec.Aac, AudioQuality.Normal) +
Arguments.FinalizeAtShortestInput(true) +
Arguments.Output(output);
if (!RunProcess(args, output))
{
throw new FFMpegException(FFMpegExceptionType.Operation, "An error occured while adding the audio file to the image.");
}
return(new VideoInfo(output));
}
