Video and audio converter, can also capture live from an audio/video source.

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12 views

(Ubuntu 14.04) High Quality .OGV conversion to either .AVI or .MP4

Unfortunately, none of the solutions found on this post helped: RELATED: Video converter: ogv to avi (or another more common format) I have a High Quality animation (specifically, from Diablo 3) on ...
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0answers
4 views

No audio with avconv (formery ffmep)

I cannot get any program that uses avconv (such as Openshot, or VLC), to play any sound on videos (or even mp3). This is after trying to uninstall and reinstall libav-tools, and even after upgrading ...
0
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1answer
57 views

How to convert mpeg to mp4?

I would like to convert an MPEG TS file to MP4. Is there software for Ubuntu that I can buy that just works? In 13.10 I did the following with success: Edit the file with DVB-CUT and export to MPG. ...
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12 views

Are my choices really limited to stream sound or hear sound?

I followed the instructions at How can I use PulseAudio virtual audio streams to play music over Skype? in order to load-module sinks. I can stream to my twitch feed no problem. My problem is that I ...
0
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2answers
34 views

Can't stream both audio sources, only mic works.

Why does the following code not stream both audio sources? #!/bin/bash INRES="1920x1080" OUTRES="1280x720" FPS="20" QUAL="medium" STREAM_KEY=$(cat ~/.twitch_key) avconv -g 0 \ -f x11grab -s ...
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27 views

Filter's inputs in avconv

I'm going to crop some desktop regions and overlay them on the scene. avconv -f x11grab -s:v 100x100 -r 30 -i :0.0+10:10 -f x11grab -s:v 100x100 -r 30 -i :0.0+200:200 -f alsa -ac 2 -i pulse -c:a ...
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18 views

How to manage connection lost with avconv

what I am trying to do is record the stream of an IP cam using avconv. It works great, but I need the recording to finish in the event that the connection to the camera was lost, either because the ...
1
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1answer
38 views

avconv - Extract one video frame and repeat it

I'd like to repeat one frame from a source video to output. I've tried the following avconv -ss 00:20:00 -i INPUT_VIDEO -t 0.5 -vsync 1 -an -r 1 -vcodec libx264 VIDEO_1F avconv -i VIDEO_1F -t 10 -r 1 ...
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64 views

Stream Webcam via command line to vlc

I've spent the morning doing searches and can't find any tutorials on how to stream my webcam(with sound) so I can watch it remotely on VLC. I have avconv installed, and can stream to twitch just ...
0
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1answer
17 views

How to extract aac audio from an mp4 file to m4a

How can I extract the aac-audio from an mp4 file? I tried so with ffmpeg -acoded copy but if i use mp4 as output it will still encode the video and I get the same filesize m4a as output it will ...
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2answers
49 views

avconv - Filter drawtext doesn't work

I' going to add some text to a video segment using -vf but it doesn't work. Here is what I tried avconv -ss 00:00:20 -i input.mp4 -t 00:00:10 -vcodec copy -acodec copy \ -vf ...
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1answer
74 views

When streaming / recording my desktop, how do I also record the audio?

I'm running the latest Ubuntu on my PC and want to stream my whole desktop to a TV screen connected to a Raspberry Pi running XBMC. So far I manage to grab the stream wit avconf. Dumping it in a ...
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0answers
17 views

Screencast with avconv cuts off last 5 seconds of audio

I'm trying to record a screencast using avconv (installed from official repo). All seems to work OK, except one thing: Always, the last 5 seconds from my mic audio are dropped from the final video. I ...
1
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1answer
211 views

How can I convert my mp4 files to avi using avconv?

I need to convert some mp4 files to another format (I chose avi: there may be a better one, suggestions welcome). I tried using ffmpeg but got the deprecated message so I am using avconv, but again ...
0
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1answer
61 views

AVConv loop issue with output file names

How can I turn: /media/MediaOne/Movies/Kids/Aladdin.avi /media/MediaOne/Movies/Kids/Incredibles.avi into /media/MediaOne/converted/Aladdin.mp4 /media/MediaOne/converted/Incredibles.mp4 when ...
5
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1answer
339 views

Record desktop and microphone audio with Avconv

I'm using Avconv on Ubuntu 13.10 with Gnome 3.10 to record Minecraft screencasts. However, I can only get the sound from my microphone and not the laptop speaker. How would I go about recording both ...
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0answers
442 views

How to create a time-lapse video from JPEG images using avconv?

I have a few hundreds of still images. The files are named according to the Canon convention - IMG_2501.JPG, IMG_2502.JPG, IMG_2503.JPG, .... I've tried: % avconv -f image2 -i IMG_%04d.JPG ...
0
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1answer
1k views

Convert “H264 MP4 AVC (part 10) (avc1)”/“MPEG AAC 48kHz” 1080p 23.976000fps videos to 720p, as complete quality as possible

file says all the files are ISO Media, MPEG v4 system, version 2 and the title's info is from VLC 2.0.9. IMO 1080p isn't necessary, especially since the other vids from earlier are 720p and are just ...
3
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2answers
625 views

How do you install avconv on Ubuntu Server 13.04?

I've searched and searched, but I can't find anything, besides compiling it, which gives me an error about ASM.
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1answer
173 views

Converting into mpeg4 for cinelerra without quality loss

Whilst I am mostly editing films in OpenShot, I am not sure it has quite caught up with cinelerra in terms of features. Plus the currently installed version of OpenShot is still a little buggy and ...
1
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1answer
487 views

What is the proper way to convert .flac files to 320 kBit/sec .mp3?

My latest challenge is finding out the correct way to convert several .flac files to 320k .mp3's. Does anyone know how to do this, maybe with avconv, without using an elaborate python script, ...
0
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1answer
180 views

Audio is out of sync with Avconv

I'm broadcasting to Justin TV with this script found on Github on Ubuntu 12.04. I am having issues with the audio going out of sync and getting worse as I go through my playlist. This is the code ...
0
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2answers
281 views

Converting images into video

I found a method on internet to use avconv to make a video from images, but the quality is very poor. I set the resolution but it didn't help. avconv -i "franc%04d.jpg" -r 30 -s:v 1280x720 a.mkv ...
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2answers
807 views

Downloadhelper fails to Convert

I'm trying to use the Firefox Add-On Downloadhelper to download and convert this 'video' of Einstein: http://sploid.gizmodo.com/listening-to-this-incredible-recording-of-einstein-will-1464557213 in ...
8
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2answers
4k views

How to replace avconv with (the real) ffmpeg and have it work right?

Anyone know how to install the real, current ffmpeg (not the older version by avconv that comes w/ Ubuntu) without having the problems mentioned here? Reasons: Everything works (or so many have ...
0
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1answer
2k views

how to convert avi (xvid) to mkv or mp4 (h264)

Very noob when it comes to video. I'm trying to make sense of what I"m finding via Google... but its mostly Greek to me. I have a bunch of Avi files that won't play in my WD TV Play box. Mediainfo ...
0
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0answers
75 views

Grab sound of a SDL game with ffmpeg/avconv

I'm trying to make a screencast of a SDL game which I developed some years ago, with the following command: sleep 5 && avconv -f x11grab -s 1366x768 -r 25 -i :0.0 -same_quant screen_cast.mkv ...
0
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2answers
3k views

How to change the framerate of a video without reencoding

I'm trying to change the framerate of an MP4 video (it's a 120fps GoPro video, I want to play it back at 30fps for a slow-motion effect). I'm using avconv for this: avconv -i SourceMovie.mp4 -vf ...
0
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2answers
593 views

How to cut audio file with avconv?

I have a hard time trying to figure out how to cut a file with avconv. Here's the command I use: avconv -ss 52:13:49 -t 01:13:52 -i RR119Accessibility.wav RR119Accessibility-2.wav But it doesn't ...
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113 views

Running Gui App with PHP

I want to run chronium and avconv from a page of my website. How can i make www-data user/group able to launch x11 applications? Thanks very much. edit: I am now able to start chronium , i have ...
0
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1answer
254 views

Add image to 3GP file and convert it to MP4 using avconv por ffmpeg

i have a .3GP file , i want tp add an image tp 3GP file , then , convert this file to MP4 ,'AVI' or even webm . That it means : the audio is from 3GP , the image from another file ; merge the two to ...
0
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153 views

How to convert softsubbed .mkv to hardsubbed mp4 file using mencoder?

As the title says,I have single mkv file which contains subtitles , Is it possible to convert using avconv or mencoder? Media info of the file: Input #0, matroska,webm, from 'r.mkv': Duration: ...
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0answers
447 views

Partially solved-How to convert mkv to mp4 without losing frame accuracy?

*Found a way to get it running: If I run avconv -i input.mkv output.mp4 without -codec copy nor -c:v copy -c:a copy not even -vcodec copy -acodec copy it finally runs. BUT IT STILL LOST ITS FRAME ...
1
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2answers
3k views

avconv does not support setting profile for mp4/h264/aac

Hi I am trying to convert a wmv video to mp4 using h264 baseline profile. avconv -i 'Video2.WMV' \ -vcodec libx264 -preset ultrafast -profile baseline \ -acodec aac -strict experimental \ -r 24 -b ...
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0answers
132 views

avconv makes audio streams too fast when copying

I am trying to assign new metadata to video file. The command looks like this: avconv -i input.avi -codec copy -map 0 \ -metadata title="Video title" \ -metadata artist="Video artist" \ ...
0
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2answers
3k views

Using avconv to convert an avi video file to mkv

I am trying to convert a movie I have from the avi format to an mkv format. I am fairly new to using avconv, but would like to use it to perform this conversion. My real problem is knowing what ...
0
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1answer
227 views

Does anyone know about avconv scripts?

I want an avconv script which automatically scans some of my directories and then checks for .avi files and then converts them to .mp4 and then deletes the .avi files when finished. I am not a bash ...
0
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102 views

Avconv secondary audio input not working

Hello my fellow Ubuntu users, i have written a simple shell script so it starts avconv and records my screen video, microphone and speakers. The problem is that it only records the first audio device ...
0
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2answers
302 views

How to rotate h264 video?

I've tried the following: $ avconv -i in.mov -codec:video copy -codec:audio copy -filter transpose=clock out.mov avconv version 0.8.6-6:0.8.6-1ubuntu2, Copyright (c) 2000-2013 the Libav developers ...
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0answers
222 views

Adding a watermark to MTS video file using avconv

I'm following the steps mentioned here to add a watermark to my videos but there are 2 issues : It doesn't seem to recognize MTS format as input. Does avconv need any additional libraries to read ...
4
votes
1answer
1k views

How to set duration for avconv?

I'm trying to cut a portion from an mp4 video with avconv, but it doesn't seem to care about the -t param. My command line is avconv -t 10 -i GOPR0001.MP4 cut.MP4 This will process the whole ...
1
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1answer
2k views

avconv how to copy all stream and merge metadata (fix creation date)?

I am trying to fix the metadata of some old videos, so i would like to copy all streams audio video and subtitle and merge the metadata from a txt file. I first dump the metadata with: avconv -i ...
5
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1answer
2k views

How to capture desktop sounds (Pulse Audio output) from avconv?

I've tried : avconv -f alsa -i pulse recod.wav ..but it doesn't capture anything. Have any idea? Thanks!
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391 views

How to convert+resize+deinterlace MKV (H.264+MP3) to MP4 (H.264+AAC) with avconv - while keeping subtitles?

I'd like to convert MKV to MP4 by considering the following on Precise (64bit): deinterlace denoise resize (only want specify width and aspect ratio, height is variable between files) make use of ...
3
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2answers
2k views

Using avconv, when remuxing to MKV, is there a way to fix packed AVI input files?

Due to compatibility bugs between Plex server and Panasonic TVs, the only way to get it to work well is remux everything to MKV, straight copy all streams (video, audio, subtitle) Seems simple ...
2
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1answer
958 views

What (input) types of files can avconv convert and to what (output) files?

I like to use simple commands (in Thunar custom actions), like avconv -i %f %f.mp3. I can replace mp3 with flac for example - but what other output extensions can be used? Also, in Thunar custom ...
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0answers
94 views

Strange blue flashes when using a screen recorder, white flashes when using vlc to record

I use cinnamon currently and whenever I use ffmpeg to record my screen, blue flashes appear when I interact with the cinnamon panel and applets. When I initiate a recording in vlc, similar things ...
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0answers
124 views

Splitting audio channels using pulseaudio

My mission is record desktop using avconv (ffmpeg) + record microphone input + use sphinx program which also need the same microphone for voice control. Now, the problem is that if I start sphinx ...
2
votes
1answer
1k views

Why does avconv not work to record my screen?

I am trying to record my screen (without sound) using avconv but i think there is something wrong with it. I gave the command avconv -f x11grab -s hd720 -r 30 -i 0:0 sample.mov it ends up ...
2
votes
2answers
172 views

Avconv -g parameter description

This is the official description of parameter: ‘-g[:stream_specifier] integer (output,video)’ set the group of picture (GOP) size Not very informative I'd say. Can anyone explain what does it ...