0
votes
0answers
300 views

Why is FFMpeg not giving my webm file webvtt subtitles?

Okay, so I tried this command >ffmpeg -i ../swc.webm -i ../subs.vtt -scodec WebVTT -loglevel verbose subtitl ed.webm And got this error: ffmpeg version N-62235-ga7a82f2 Copyright (c) ...
1
vote
0answers
89 views

Why does FFmpeg segment_times create webm files with incorrect duration and start times?

I have a MOV file that I want to split into several smaller files (at certain timestamps in a comma-separated list). I'm simultaneously compressing the video into WEBM files. The command I'm using ...
1
vote
0answers
84 views

error while merging videos with ffmpeg

I am trying to concat videos with different resolutions using ffmpeg and I am encountering this error shown below while that the video resizes when playing the videos I merge them using ffmpeg with ...
2
votes
1answer
563 views

Merge segments from different videos ffmpeg

Could I use ffmpeg to make one video which takes different segments from different videos? 1.webm, 2.webm, 3.webm, 4.webm Those are my 4 video files. I want the 10 seconds from each video. The ...
3
votes
1answer
443 views

How do you combine multiple ffserver streams into a grid in real time?

I'm trying to set up a CCTV system with ffmpeg/ffserver/zoneminder and want a nice looking 4x4 grid without all the Java applet borders and window dongles on it, just a full screen 4x4 grid. I've ...
8
votes
1answer
7k views

Converting video to WebM with ffmpeg/avconv

While trying to optimize the size of my home videos I converted some of them to WebM as a test, using Pitivi on Xubuntu. The size difference is significant. The resulting webm-file is only around 10% ...
7
votes
1answer
2k views

What bunch of ffmpeg scripts do I need to get HTML5-compatible “Video for everybody”?

What list of commands should I do in ffmpeg/mencoder/some_other_CLI_app to get a video in all the right formats to use Video for Everybody? i.e. Is there a subtlety that prevents there being a ...
2
votes
2answers
3k views

Working FFMPEG settings for converting to WebM format?

Can anyone give me working settings for converting video to WebM with ffmpeg? I am on Windows 7 with the FFmpeg git-67f5650 64-bit Static (Latest) build from http://ffmpeg.zeranoe.com/builds/ I've ...