In the drop-down menu that appears, click on “Open File”. A dialog box will open, allowing you to browse through your files and select the video file you want to merge the subtitles with. After selecting the video file, you need to load the subtitle file. Navigate to the “Subtitle” menu at the top of the VLC window. I believe you can do this by setting the metadata for the subtitle track itself like this; using your original command with -metadata:s:s:0 language=eng added to it: ffmpeg -i myMovie.mkv -vcodec copy -acodec copy -map 0:v:0 -map 0:a:1 -map 0:s:1 -c:s mov_text -metadata:s:s:0 language=eng test.mp4. More details can be found here on this
There is also the option to manually select the subtitle file. To do so, open the video in VLC. Go to the Subtitles tab and select “Add Subtitle File”. Pick the file from the resulting dialog box to display your captions/subtitles. To switch between languages, go to Subtitles Track and select the preferred option.
This subtitled_video.mp4 will show subtitles in VLC 3.0.4, but I have to explicitly right-click and choose Subtitle/Sub Track/Track 1 - [English] in VLC. Opening subtitled_video.mp4 in Firefox 60 will show no subtitles, nor a button/context menu to enable them. At this point, let's note that Firefox does have some UI for subtitles:
Step 2. Click "Add" to display a file dialog box. Navigate to the file with the frame rate that you want to change. Double-click to load it into the "File Selection" list. Open up the VLC preferences and click on the ALL button at the bottom. Select Video > Subtitles/OSD and then uncheck the AutoDetect subtitle files option. Here enable the sub-picture and on-screen display. Then right-click on the video and move to Video > Subtitle Track > Disable. VLC to Extract Subtitles.
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how to convert mkv to mp4 with subtitles using vlc
