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Questions tagged [closed-captions]

Closed captioning is the process of displaying text on a visual display to provide additional or interpretive information to individuals who wish to access it.

Closed captioning is the process of displaying text on a visual display to provide additional or interpretive information to individuals who wish to access it.

enter image description here

from Closed Captioning on Wikipedia

159 questions
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YouTube iFrame API, getting current caption language after changing via external controls or internal player controls not working

After changing the CC language via API controls or YT player controls, using the API to check for the currently-displayed language does not seem to return the updated CC language -- it always returns the initially-loaded CC language. I am able to…
Crite
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How do I avoid floating point rounding errors in WebVTT?

I'm trying to build a WebVTT metronome and I'm specifying the cues with millisecond precision for both the start and end times. Unfortunately, it is showing up inconsistently in different browsers. Some of the beats start late, some are missed, and…
Kemal Ahmed
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JW Player captions loads on video pause

I'm using custom JW player wrapper in Drupal 8. The JW player video loads on image click. The issue is closed captions and settings are not loading when video starts on click of image. They appears when video is paused and played again. I want to…
sam
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Closed caption track not working in all browsers

I was testing a basic track html page from my desktop, and it seems that that the closed captioning works in Firefox and IE, but not Edge or Chrome. Edge shows the CC button and that it's running, but doesn't display any text, while Chrome doesn't…
Vince
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How use app closedcaption settings instead of system closed caption settings in ios

In my application i have closed caption settings and i am using AVPLayer to play video/live content without showing default controls. In my app i can able or disable closed captions like switch based on that switch status i am storing BOOL value in…
Naresh Gadamsetty
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Extract plaintext from youtube's Webvtt captions

Using youtube-dl --write-auto-sub we get a file like this: WEBVTT Kind: captions Language: en Style: ::cue(c.colorCCCCCC) { color: rgb(204,204,204); } ::cue(c.colorE5E5E5) { color: rgb(229,229,229); } ## 00:00:00.030 --> 00:00:02.619 align:start…
qwr
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how to remember caption language with cookie?

I'm using php with mysql to set subtitles if they exist in the database. If they don't exist it will not show up in the player. I want to have some kind of cookie that remembers the language the visitor have selected and enable the caption by…
Stoney Eagle
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search all videos with CC transcription in specific language

I'm trying to achieve two things: 1) find all videos with transcriptions in a certain language, or 2) Find all videos with transcription in Lang A and translated subtitles in lang B, preferably with the ability to distinguish human translation from…
Jeremy Bullard
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ffmpeg – adding closed captions CEA-708

I am trying to embed closed captioning into my .mp4. I already have an .srt file with my subtitles and timing and have been trying iterations of the following: ffmpeg -i [source file].mp4 -i [source file].srt -c:v copy -c:a copy -c:s mov_text…
rwwilkinson
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AWS transcoder Captions Embedded missing

We have a problem with MP4 video containing 5 languages captions embedded. After transcoding in AWS transcoder, file contains no languages. I want to keep original captions for languages and converting them into an other format (mov-text, cea-608 or…
Alexis Le Baron
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Is it possible to move an HTML5 video CC under the video?

A client wants the subtitles out of the way of the video, so they want it underneath the video. We are using vtt files for our captions. Can this be done in CSS? Maybe some settings in the vtt file?
David Small
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How can I get live transcription on OS X (without audio files)?

I'm working on an app for people stuck in superfluous meetings who need to know when someone asks them a question. My plan is: Stream the audio of the meeting (what normally comes out of my speakers) into a speech-to-text program Stream that into…
Max Heiber
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Firing events at specific times into a video played by MPMoviePlayerController (for Custom Captions on Movie)

I'm considering implementing an SRT File parser for overlaying videos over an MPMoviePlayerController class. Can anyone think of a reliable way to fire off events at very specific times while a movie's playing?
Rasputin Jones
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Embedded Video showing subtitles (unwanted), but hit refresh and they're gone

I'm using YouTube's API for embedded videos. I use the exact same API code for every video on every page. But on one particular video, it loads with subtitles, but only for the first run. Hit refresh and the subtitles disappear. Clear cache and…
ericgilchrist
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How to display embedded Closed Captions for HLS stream in Windows 10 UWP app?

I'm trying to play HLS stream in Windows 10 UWP app. This stream contains embedded captions that can be turned on in VLC player or in Edge browser when playing the HLS stream directly. Is there a way how to show these embedded captions in UWP…
Martin Suchan
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