Using Encode_3GP() function default options

// Sample code for encoding any format video to .3gp format.
MediaHandler _mhandler = new MediaHandler();

// required properties

string RootPath = Server.MapPath(Request.ApplicationPath);

_mhandler.FFMPEGPath = HttpContext.Current.Server.MapPath("~\\ffmpeg\\ffmpeg.exe");
_mhandler.InputPath = RootPath + "\\contents\\video";
_mhandler.OutputPath = RootPath + "\\contents\\3gp";
_mhandler.FileName = "sample.mpg";

// optional output filename

_mhandler.OutputFileName = "sample.3gp";

// publish video to .3gp format with default options.

string output = _mhandler.Encode_3GP();

// this will generate .3gp video with default options. if you want to customize values then set values as shown below.

// setting video related properties

_mhandler.Video_Bitrate = 100;
_mhandler.Audio_Bitrate = 12.2;
_mhandler.Audio_SamplingRate = 8000;

// optional video width and height settings

_mhandler.Width = 176;
_mhandler.Height = 144;

// optional video and audio codec settings, make sure it is compatible with 3gp video otherwise result in failure of video encoding.

_mhandler.ACodec = "libamr_nb";
_mhandler.VCodec = "h263";

// view more options in component documentation.

// Encode 3GP Video using Media Handler Pro version 3.0

string output = _mhandler.Encode_3GP();

// Encode 3GP Video using Media Handler Pro version 4.0 or later

VideoInfo info = _mhandler.Encode_3GP();

// Check for errors
if (info.ErrorCode > 0)
{
Response.Write("Video processing failed, Error code " + info.ErrorCode + " generated");
return;
}

// Retrieve output information from VideoInfo Object. View Detail