Revision as of 04:31, 19 February 2020

FFmpegConversion

Glue class to call FFmpeg library to convert media

Constructors

(Attachment attachment "Attachment to convert") - Convert existing file
(string filename "Name of the file", bool isTemp "Is the file temporary") - Convert existing file

Methods

number Convert() - Start the conversion process, return number of seconds it took
Empty SetAudioConversionToMp3(int nth "Pick the nth audiostream in the source", int compression "Level of compression from 0 to 9, with 9 being worst quality. see https://trac.ffmpeg.org/wiki/Encode/MP3") - Convert the source audio stream to MP3 format. If the source is already mp3. If already mp3 and similar or lower quality in source no further loss is done
string ToString() - The string representation of the object.

Properties

string ObjectTypeName { get; } - The name of the type of object.
TypeInformation TypeInformation { get; } - Get information about this class.

Examples

Attachment attachment = new Attachment (5224744);
FFmpegConversion conv = new FFmpegConversion(attachment);
conv.SetAudioConversionToMp3(0, 5);
conv.Convert();
//Noted that: after converting will overwrite the source media file, so better, should name the source file with .mp3
//Result: the attachment will be updated, the file size will be down

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 Attachment attachment = new Attachment (5224744);