Tradeoff: H.264 has the most compatibility. Tradeoff: While hardware accelerated encoding using GPUs is generally significantly faster, software encoding (CPU only) produces smaller files and better quality. Note that this will take some time depending on the video duration, quality and the quality of your CPU and GPU. We will need to render the video again with the subtitles permanently added into the video stream. These subtitles are part of the video itself and cannot be toggled off. metadata:s:s:2 language=spa outfile_selectable_multi.mp4 metadata:s:s:0 language=eng -metadata:s:s:1 language=ger \ map 0 -map 1:s -map 2:s -map 3:s -c copy -c:s mov_text -c:s mov_text c:s mov_text \ # Replace with your input video and subtitle filesįfmpeg -i $INFILE -i $SUBTITLESENG -i $SUBTITLESGER -i $SUBTITLESSPA \ You can even have multiple subtitles in different languages all within the same video. metadata:s:s:0 language=eng outfile_selectable.mp4 # Replace with your input video and subtitle fileįfmpeg -i $INFILE -i $SUBTITLES -c copy -c:s mov_text \
These subtitles can be toggled on or off in any video player that supports subtitles. Once the captions have been generated you can easily make edits through the web interface before downloading your captions in WebVTT format. If your company has Microsoft Stream, upload your video to enjoy auto-captioning.Captions can be downloaded in SRT file format. YouTube can automatically caption your video. If you do not have a captions file with subtitles for your video you can easily auto-caption your video with one of two methods. On Mac, simply use Homebrew with brew install ffmpeg Creating a caption file automatically (optional) Please follow the installation instructions here. The instructions rely on the open-source FFmpeg tool.įFmpeg is the leading multimedia framework, able to decode, encode, transcode, mux, demux, stream, filter and play pretty much anything that humans and machines have created.
Don’t have a caption file? See instructions below. Both H.264 and H.265/ HEVC are supported.Ĭaption / Subtitle file: Either SRT or WebVTT format are supported. Video Format: This approach will only work for MP4 videos. In this article we cover how to quickly and easily add subtitles to your existing videos without any video editing software. For accessibility reasons all video content you create should be captioned, but adding subtitles can be a daunting task.
0 kommentar(er)
