Questions tagged [webvideos]

Videos on the Internet

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2 votes
0 answers
675 views

The ffmpeg webm_dash_manifest demuxer fails with webvtt subtitles

I am trying to create a DASH manifest using ffmpeg and I encounter some difficulties with the subtitles. I get the error [webm_dash_manifest @ 0x55e19db48180] EBML header parsing failed [...
Hyldrean's user avatar
2 votes
0 answers
439 views

FFMPEG drops end frames when converting a unmatted alpha .mov to .webm using ffmpeg but converts fine when alpha is premultiplied?

I am using ffmpeg to convert a straight alpha .mov to a webm so I can layer videos on top of one another for a web game however when converted the duration is the right length but the frames freeze ...
ThomTTP's user avatar
  • 121
1 vote
1 answer
109 views

Automatic dynamic selection of playback speed

I joined this site because this seemed to be where my question would be on topic the most. Sorry if I was wrong in my judgement. A lot of people watch videos (e.g. recorded talks or lectures) at ...
Adomas Baliuka's user avatar
1 vote
0 answers
220 views

Optimizing HTML5 video for best quality

I have a 3 minute video I'd like to embed on a web page. The problem is that despite best efforts, the file size of the video ends up being over 30 mb. I would like the size to be near 10 mb. I have ...
auto's user avatar
  • 121
1 vote
0 answers
138 views

Use my own server to stream 360 videos

YouTube seems to limit the quality / resolution / data size of 360 videos that can be uploaded. If I want to serve higher quality content, what do I need to do? Requirements: Must work with mobile ...
Vahid Pazirandeh's user avatar
1 vote
0 answers
62 views

Equipment & Software for video bridge (video link) event

I need to create a portable setup for events built around a video bridge: The performer is abroad the audience & presenters are in-house The performer needs to see the audience & presenters ...
Wombat Pete's user avatar
1 vote
0 answers
667 views

Wirecast crashes when I attempt to authenticate to Youtube account

Wirecast 4.3.1 (Telestream) on OS X 10.9 After launching Wirecast, I select "Broadcast Settings" --> Authenticate. Upon selecting my Youtube account and accepting the conditions, Wirecast crashes. ...
Javide's user avatar
  • 111
0 votes
0 answers
7 views

Where to find up-to-date video compatibility reference?

I am developing a video streaming website and trying to decide on what the best video containers and codecs would be for its use. For this, I need to know what the compatibility of each OS and browser ...
kataba's user avatar
  • 1
0 votes
0 answers
296 views

Issues in trimming a video with FFmpeg

I have a .webm video captured through a web browser. Using ffmpeg, I want to trim it into its first 30s without re-encoding and quality degradation. But I have issues doing it and ffmpeg complains ...
Mary's user avatar
  • 101
-1 votes
3 answers
8k views

How I can play an Amazon Prime Video movie with Dolby Digital Plus audio using Chrome browser in my PC?

Currently my web browser Chrome (last version 80) cannot play Dolby Digital Plus audio. I know this audio is used in other devices like Apple TV, Roku, or Amazon Fire TV for example. According to ...
AARON8888's user avatar