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Questions tagged [webm]

WebM is an audio-video format designed to provide a royalty-free, open video compression format for use with HTML5 video. The project's development is sponsored by Google.

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0answers
23 views

Nautilus video search not showing webm

Using the Nautilus search for videos shows mp4 and wmv but not webm. It generates thumbnails for webm, and I can play webm fine. However, for some reason, nautilus doesn't think webm is a type of ...
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1answer
52 views

Edit webm video (with GUI)

I recorded a screencast with kazam. Now I have a webm file. Which tool can I use to edit this video? I want to cut (remove) some parts. I use Ubuntu 18.04
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1answer
460 views

How can I convert an animated WebP to a WebM?

I would like to convert an animated WebP file to a WebM. However, most tools only support converting to an animated WebP but not back, when they support animated WebPs at all: ImageMagick's convert ...
2
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1answer
606 views

Is there a way to download a video's audio in mp3 using flashgot without using a youtube-to-mp3 converter?

Now, I know that there are tons of questions about this topic but not quite this one as it specifically asks about flashgot. The unique trait of flashgot is that it works with every website (not like ...
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2answers
2k views

Unable to find a suitable output format for 'libvorbis' libvorbis: Invalid argument

I’m trying to convert some files to webm with ffmpeg using the following command: # First pass ffmpeg -i input.mp4 -codec:v libvpx -quality best -b:v 225k -qmin 10 -qmax 42 -maxrate 300k -bufsize ...
2
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0answers
421 views

Can't Watch Videos in Firefox

This began happening as of recently. Every time I try to watch a video in Firefox, it only plays the first few frames of the video repeatedly throughout the entire time as the audio continues playing ...
6
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2answers
11k views

Converting WEBM to MP3

I'm aware there are a couple of other questions here related to this, but the answers provided don't seem to work. I'm trying to convert a webm to mp3 with avconv. Here's how I tried to do it: $ ls ...
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1answer
1k views

How to convert webm video to mp4 when encountering errors for unsupported LBRR frames and decoding SILK/Opus

I have a low quality, but playable .webm video. It was recorded from a webrtc live stream that seems to have been on a bad connection. There are not many video frames and the audio cuts out for a ...
1
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1answer
1k views

Can't display the thumbnails of HEVC Main10P and VP9 codec video

I hate totem player, it is useless to me, so I installed the ffmpegthumbnailer, removed totem player, and changed the default thumbnailer to it by following steps. sudo apt-get install ffmpeg ...
1
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1answer
462 views

OpenShot opens .webm file as audio

Tried to edit this file: https://upload.wikimedia.org/wikipedia/commons/a/ab/Acute_leukemia.webm in OpenShot 1.4.3, which is what the Ubuntu Software Store has and what the OpenShot site says is ...
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2answers
2k views

VLC not playing aac files and a webm file

I have a few music files in aac format which I want to play through VLC. But VLC ain't playing any of them. It's not showing any error or any other message, it simply stops as soon as I play them. I ...
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3answers
1k views

Software for converting and cutting videos with webm support

I am looking for a file converting program to trim and convert videos into .webm format. I am currently using Ubuntu 14.04.1 LTS.
3
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2answers
5k views

What application can edit WebM metadata?

I have a few hundred WebM files, which include audio and video in one file (WebM is a container format). I want to edit their metadata, like: artist who performs the song title of the song album year ...
0
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1answer
619 views

How to cut mp4 file and link to make webm

Whats the fastest way to cut small sections of a mp4 file and link them back together as a WEBm help is greatly appreciated!
4
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1answer
5k views

Best avconv settings for WebM video?

What are the best settings when converting, say, a .mp4 video to WebM? I have done some searching on here but nothing specific to what I need really. What I've been using: avconv -i input.mp4 \ ...
28
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2answers
22k views

How to do I convert an webm (video) to a (animated) gif on the command line?

I suppose ffmpeg is the weapon of choice but I didn't find out how to reach my goal.
1
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1answer
3k views

How do I enable thumbnails for 'webm' files?

I have thumbnails for every other file type just not .webm. Is there any way to enable them and if so, how would I do that?
0
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1answer
1k views

How to play vp9 videos on ubuntu

So I have a vp9 video and I can not play the video on ubuntu 13.10 audio works because it is vorbis. I have compiled ffmpeg version git-2013-11-01-ec5e02d and I know that it supports vp9 Thank you ...
1
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1answer
3k views

bulk/batch convert mp4 and m4v files to webm via command line?

is it possible to convert mp4 and m4v to webm via command line? I'd like to just in a bulk swoop convert my mp4 and m4v files to web so i can play them in firefox without any issues.
3
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1answer
4k views

How to extract audio from Webm without transcoding?

Audio within mp4 and flv files is AAC, and a proper container for that is m4a. So, in order to extract sound from mp4 and flv I use a command like gnome-terminal -e "parallel avconv -i '{}' -map 0:1 ...
21
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2answers
49k views

Convert WebM to other formats

I take photos and videos using Cheese on Ubuntu 12.04. They are in WebM formats. How to convert them in other more conventional formats for making them compatible with other OS and devices (Windows, ...
20
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2answers
58k views

How to fast convert mp4 to webm using ffmpeg?

I have to convert 76 mp4 files to webm for the purpose of a website that uses HTML5 videos. I'm talking about 10 Gb of mp4 files... I know I can simply ask ffmpeg to do that using: ffmpeg -i ...
2
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1answer
3k views

Is it possible to do a lossless conversion from m4v to webm?

I have several m4v files, which I need to convert to webm. I am using ffmpeg for doing so and have used commands such as: ffmpeg -i myfiletoconvert.m4v output.webm The conversion works fine, and ...
2
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3answers
364 views

Nautilus and file command in 11.04 don't show metadata for WebM files [closed]

The file-name extension .webm is used for media files using the WebM multimedia format, which consists of the WebM container (a subset of the Matroska container) and audio and video streams with ...
10
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2answers
19k views

Are there any video editors that support WebM?

Are there any video editors for Ubuntu that support WebM importing? AKA, I have a raw WebM file that needs editing.
8
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1answer
231 views

Why isn't WebM video supported out of the box?

Ubuntu can't include non-free codecs, but has had the ability to play Ogg Theora and Vorbis files out-of-the-box for years because they're open source. Now that WebM is such a popular, free ...
13
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7answers
8k views

How to make WebM desktop recordings?

I am looking for either a desktop recorder/screencast application that can output in WebM format, or a program that can convert the .ogv format generated by gtk-recordmydesktop into WebM. I have ...
24
votes
5answers
29k views

How to play a webm video file?

I have tried vlc, Banshee and Totem but none of them recognize the webm format. Even the system does not recognize its mime-type. How do I play it ?