/// <summary>
/// Extracting Audio From Video File
/// </summary>
/// <param name="fileName"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="exc"></param>
/// <returns></returns>
public VideoInfo ExtractAudio(string fileName, string outputFileName = "")
{
try
{
if (string.IsNullOrEmpty(outputFileName) || string.IsNullOrWhiteSpace(outputFileName))
{
outputFileName = fileName;
}
if (!File.Exists(_mhandler.InputPath + fileName))
{
SetException("File Not Found");
return(null);
}
_mhandler.FileName = fileName;
_mhandler.OutputExtension = ".mp3";
_mhandler.OutputFileName = outputFileName;
_mhandler.Parameters = $"-vn -ar 44100 -ac 2 -ab 192k -f mp3";
VideoInfo info = _mhandler.Process();
if (info.ErrorCode > 0 && info.ErrorCode != 121)
{
SetException(MediaHandlerErrorHelper.GetErrorMessage(info.ErrorCode));
}
return(info);
}
catch (Exception ex)
{
SetException(ex);
return(null);
}
}
/// <summary>
/// Resizing Video
/// </summary>
/// <param name="fileName"></param>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="exc"></param>
/// <returns></returns>
public VideoInfo ResizeVideo(string fileName, int width, int height, string outputFileName = "")
{
try
{
if (string.IsNullOrEmpty(outputFileName) || string.IsNullOrWhiteSpace(outputFileName))
{
outputFileName = fileName;
}
if (!File.Exists(_mhandler.InputPath + fileName))
{
SetException("File Not Found");
return(null);
}
string ext = ".mp4";
int dotIndex = fileName.LastIndexOf(".");
if (dotIndex >= 0)
{
ext = fileName.Substring(dotIndex, fileName.Length - dotIndex);
}
_mhandler.FileName = fileName;
_mhandler.OutputExtension = ext;
_mhandler.OutputFileName = outputFileName;
_mhandler.VCodec = "libx264";
//_mhandler.ACodec = "libvo_aacenc";
_mhandler.Channel = 2;
_mhandler.Audio_SamplingRate = 48000;
_mhandler.Audio_Bitrate = 192;
_mhandler.Video_Bitrate = 500;
_mhandler.FrameRate = 29.97;
_mhandler.Width = width;
_mhandler.Height = height;
_mhandler.Scale_Quality = 1;
_mhandler.Parameters = $" -s {width}x{height}";// -fpre {MediaConfigPath.PathPresets}libvpx-360p.ffpreset";
VideoInfo info = _mhandler.Process();
if (info.ErrorCode > 0 && info.ErrorCode != 121)
{
SetException(MediaHandlerErrorHelper.GetErrorMessage(info.ErrorCode));
}
return(info);
}
catch (Exception ex)
{
SetException(ex);
return(null);
}
}
/// <summary>
/// Trim and cut video
/// </summary>
/// <param name="filePath"></param>
/// <param name="start"></param>
/// <param name="length"></param>
/// <param name="exc"></param>
/// <returns></returns>
public VideoInfo TrimVideo(string filePath, int start, int length, string outputFileName = "")
{
try
{
if (string.IsNullOrEmpty(outputFileName) || string.IsNullOrWhiteSpace(outputFileName))
{
outputFileName = filePath;
}
if (!File.Exists(_mhandler.InputPath + filePath))
{
SetException("File Not Found");
return(null);
}
_mhandler.FileName = filePath;
string ext = ".mp4";
int dotIndex = filePath.LastIndexOf(".");
if (dotIndex >= 0)
{
ext = filePath.Substring(dotIndex, filePath.Length - dotIndex);
}
_mhandler.OutputExtension = ext;
_mhandler.OutputFileName = outputFileName;
_mhandler.Parameters = $"-ss {start} -codec copy -t {length}";
VideoInfo info = _mhandler.Process();
if (info.ErrorCode > 0 && info.ErrorCode != 121)
{
SetException(MediaHandlerErrorHelper.GetErrorMessage(info.ErrorCode));
}
return(info);
}
catch (Exception ex)
{
SetException(ex);
return(null);
}
}
/// <summary>
/// Merge Audio and Video
/// </summary>
/// <param name="videoFilePath"></param>
/// <param name="audioFilePath"></param>
/// <param name="exc"></param>
/// <returns></returns>
public VideoInfo MergeAudioAndVideo(string videoFilePath, string audioFilePath, string outputFilePath = "")
{
try
{
if (string.IsNullOrEmpty(outputFilePath) || string.IsNullOrWhiteSpace(outputFilePath))
{
outputFilePath = videoFilePath;
}
if (!File.Exists(videoFilePath))
{
SetException("Video File Not Found");
return(null);
}
if (!File.Exists(audioFilePath))
{
SetException("Audio File Not Found");
return(null);
}
_mhandler.FileName = audioFilePath;
_mhandler.OutputExtension = ".mp4";
_mhandler.OutputFileName = outputFilePath;
_mhandler.Parameters = $"-i {MediaConfigPath.PathInputs + videoFilePath} -c:v copy -c:a aac -strict experimental";
VideoInfo info = _mhandler.Process();
if (info.ErrorCode > 0 && info.ErrorCode != 121)
{
SetException(MediaHandlerErrorHelper.GetErrorMessage(info.ErrorCode));
}
return(info);
}
catch (Exception ex)
{
SetException(ex);
return(null);
}
}
/// <summary>
/// Getting Videoes Meta Data
/// </summary>
/// <param name="filePath"></param>
/// <param name="exc"></param>
/// <returns></returns>
public VideoInfo GetFileMetaData(string inputPath, string filePath)
{
try
{
if (!File.Exists(inputPath + filePath))
{
SetException("File Not Found");
return(null);
}
_mhandler.InputPath = inputPath;
_mhandler.FileName = filePath;
VideoInfo info = _mhandler.Get_Info();
if (info.ErrorCode > 0 && info.ErrorCode != 121)
{
SetException(MediaHandlerErrorHelper.GetErrorMessage(info.ErrorCode));
}
return(info);
}
catch (Exception ex)
{
SetException(ex);
return(null);
}
}
/// <summary>
/// Change Video Encode 240/360/480/720/1080
/// </summary>
/// <param name="fileName"></param>
/// <param name="encode"></param>
/// <param name="exc"></param>
/// <returns></returns>
public VideoInfo ChangeVideoEncode(string fileName, VideoEncodeEnum encode, string outputFileName = "")
{
try
{
if (string.IsNullOrEmpty(outputFileName) || string.IsNullOrWhiteSpace(outputFileName))
{
outputFileName = fileName;
}
if (!File.Exists(_mhandler.InputPath + fileName))
{
SetException("File Not Found");
return(null);
}
int width = 0;
int height = 0;
int video_bitrate = 0;
int audio_bitrate = 0;
int audio_channel = 2;
switch (encode)
{
case VideoEncodeEnum.Encode240:
width = 400;
height = 224;
video_bitrate = 350;
audio_bitrate = 131;
audio_channel = 1;
break;
case VideoEncodeEnum.Encode360:
width = 640;
height = 360;
video_bitrate = 676;
audio_bitrate = 131;
audio_channel = 1;
break;
case VideoEncodeEnum.Encode480:
width = 640;
height = 360;
video_bitrate = 667;
audio_bitrate = 96;
audio_channel = 2;
break;
case VideoEncodeEnum.Encode720:
width = 1280;
height = 720;
video_bitrate = 2668;
audio_bitrate = 96;
audio_channel = 2;
break;
case VideoEncodeEnum.Encode1080:
width = 1920;
height = 1080;
video_bitrate = 4997;
audio_bitrate = 96;
audio_channel = 2;
break;
default:
width = 640;
height = 360;
video_bitrate = 667;
audio_bitrate = 96;
audio_channel = 2;
break;
}
string ext = ".mp4";
int dotIndex = fileName.LastIndexOf(".");
if (dotIndex >= 0)
{
ext = fileName.Substring(dotIndex, fileName.Length - dotIndex);
}
_mhandler.FileName = fileName;
_mhandler.OutputExtension = ext;
_mhandler.OutputFileName = outputFileName;
_mhandler.VCodec = "libx264";
_mhandler.Parameters = $"-strict experimental -s {width}x{height}";// -fpre " + presetpath + "";
_mhandler.ACodec = "aac";
_mhandler.Video_Bitrate = video_bitrate;
_mhandler.Channel = audio_channel;
_mhandler.Audio_SamplingRate = 44100;
_mhandler.Audio_Bitrate = audio_bitrate;
_mhandler.FrameRate = 29.97;
VideoInfo info = _mhandler.Process();
if (info.ErrorCode > 0 && info.ErrorCode != 121)
{
SetException(MediaHandlerErrorHelper.GetErrorMessage(info.ErrorCode));
}
return(info);
}
catch (Exception ex)
{
SetException(ex);
return(null);
}
}