Set Subtitles Character Encoding Conversion Or may be rendered permanently (aka 'burned') into the video itself.Įncoding Subtitles to an Output Stream ffmpeg -i 'INPUT' ] -i ' SUBTITLE_INPUT' Subtitles may be included in an encoded video file as a parallel stream, Will search through vts.vob for all streams until it has read 50 MB of data or 100 seconds of video, whichever comes first. For example:įfmpeg -probesize 50M -analyzeduration 100M -i vts.vob Note that both of these options must appear on the command line before the specification of the input via -i. Which will cause ffmpeg to search until the first of those limits is reached. To coerce ffmpeg to search further for the subtitle stream, use options: Which only searches a short distance into the input file. Thus, the subtitle stream may not be detected and listed by: Note that a subtitle stream need not be present for the entirety of the video and may first appear only when the first subtitled dialogue occurs. In the latter case, the subtitles are typically stored not as text but as bitmaps that are overlayed on the video and may be referred to as 'VOBSUBs' for DVDs or 'PGS' for Bluray. srt extension) or from a dedicated stream within the video file. Subtitles may come either from a separate text file (typically with a. 2.1.4.2 Import subtitle and re-encode video/audio streams.2.1.4.1 Import a subtitle file (copy video/audio streams, without re-encoding).2.1.4 FFmpeg command-line examples to importing subtitle files.2.1.1 Set Subtitles Character Encoding Conversion.2.1 Encoding Subtitles to an Output Stream.

Ffmpeg copy