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

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1answer
26 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 ...
0
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0answers
25 views

converting multiple png to mp4, all frames are the first image

I am trying to convert multiple images (.png) into a video mp4. I am using avconv, I already made it work before but I can't remember how ... I am using ubuntu 14.04, I had the avconv 9.something, I ...
1
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0answers
45 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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2answers
46 views

Converting mp3 with avconv keeping folder structure

I Have a bunch (~31GB) of mp3 files encoded at 320kbps/cbr and I want to convert them all to mp3 320kbps/vbr keeping it's tags and folder structure but in another master path. I Would like to use ...
0
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0answers
16 views

Preserve subtitles when using avconv on a video file

I'd like to set the second audio track in a video file as the default. In order to achieve this, I swap the first two audio tracks via avconv: avconv -i input.mp4 \ -c copy \ -map 0:v \ -map 0:a:1 ...
3
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1answer
39 views

Convert video DVD for FullHD TV via NAS

I'd like to convert a video DVD into a video file that I can put on my NAS in order to watch it via PC or my TV (FullHD). Of course, I'd like to preserve high quality and high compatibility, as new ...
1
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1answer
43 views

How can I remove segment from a video using avconv?

How can I remove one, or multiple segments from a webm video using avconv (without reencoding)?
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1answer
75 views

Videos which are converted in Linux do not play in mobile browser

I used avconv and ffmpeg to convert video files, but these files after this process did not work on a mobile browser. They only work as well on VLC or any other browser of desktop (Linux or Windows). ...
1
vote
1answer
105 views

unable to download 480p format using youtube-dl

I'm trying to download 480p format youtube video using youtube-dl using youtube-dl -f 135+141 --prefer-ffmpeg <url> and i get the following error and it failed to mix audio and video ...
0
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0answers
92 views

FFMPG vs AVCONV: Has the CRF metric change?

I was planing to transcode a big library of old TV shows, 500GB of SD content. Since it is old, and I am not planing to store it like it is, but I just want to keep it mainly for the audio, I though ...
0
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0answers
56 views

create a video file from series of png images

I know there a lot of similar questions, but for some reason even after reading them it does not work. I would like to create a video from a series of png-files. The files are named like ...
1
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2answers
493 views

How to convert .ts file into main stream file losslessly?

I have a file that ends in .ts (e.g., here are the first 10 MB). I would like to convert it to a more main stream format (e.g., mp4, MPEG2-PS...), in a lossless way if possible (i.e., remuxing). I ...
4
votes
1answer
141 views

Error with ffmpeg since upgrade to 15.10

Like many of us I have been using AVCONV without major issues, however since 15.10 and the arrival of FFMPEG instead, I have errors in my scripts. This command has been used by me for a while to rip ...
2
votes
1answer
132 views

Does avconv have an equivalent complex filter for ffmpeg's adelay?

I have a working ffmpeg command to combine an audio/video file with an audio file, and I am now trying to perform the same operation using avconv on Ubuntu 14.04. My ffmpeg command requires the use of ...
2
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3answers
228 views

Hauppauge 610 Analog Video Capture Script or Command

I have Xubuntu 14.04. The camcorder I am using is the Sony CCD-TRV16 NTSC 180x Digital Zoom. I am using the Hauppauge 610 USB-Live 2 Analog Video Digitizer and Video Capture Device to convert 8mm ...
0
votes
1answer
176 views

Installing libav 10 on Ubuntu 14.04

I need libav version 10 or higher. I'm running Ubuntu 14.0.3. I have versions 9.18-6 installed. Looking at https://libav.org/download/ - I see some source files I could try to compile - but I'd ...
1
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1answer
112 views

Fade video and audio in and out using avconv

How do you fade video and audio in from and out to back avconv? I have found many posts on how to do this with ffmpeg but non with avconv. The length of the video will change between videos. Is it ...
0
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2answers
232 views

converting avi to streamable mp4

I just got my chromecast and I am trying to convert my uncastable avi videos to castable mp4 video format I converted some avi videos to mp4 using the command: avconv -i input_file.avi -c:v libx264 ...
0
votes
1answer
43 views

MKV seek broken after re-encoding

I have a few MKV files that need the title to be changed. My searching has led me to understand that re-encoding is the the easiest way to do so. mediainfo on one of the files General Unique ID ...
1
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1answer
148 views

avconv: Saving MP4 Process Hangs

not entirely sure if I should post this on askubuntu or stackoverflow. I'm setting up a website where users can upload videos and share them. I'm using avconv to reduce the video size and save it ...
0
votes
2answers
85 views

Video codec for making home videos smaller?

Complete video beginner here. I have a bunch of old videos in multiple formats and codecs - like birthday videos, undergrad random captures etc. There is a large number of files that amount to ~25GB ...
2
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0answers
103 views

Unable to convert to x264 mkv

I want to convert an mp4 file to mkv with the video format as x264 and audio as libmp3lame Mediainfo for the file gives: General Complete name : file_in.mp4 Format ...
1
vote
1answer
320 views

How do I play a video with audio from a separate file? (mux during playback)

My laptop runs Xubuntu 14.04 LTS. I'm composing a score for a silent film, and I'm trying to "Mickey Mouse" it (synchronize notes to the action). I can tweak the silent film's editing slightly to line ...
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0answers
135 views

avconv Creating Corrupt (0 KB) Video Files

EDIT: I have seen this question: avconv creates zero byte file while trying to downsample mp4 video Unfortunately, it's not the same problem. I'm trying to use avconv in conjunction with a website on ...
1
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0answers
76 views

lossless jpg to video conversion

I am trying to create a time lapse video from a bunch of jpg files. When I use the files as they came out of my camera everything works fine. Now I averaged however over multiple images to improve ...
1
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1answer
79 views

combine audio and photo using command line in Ubuntu

What is the best way that I can make a video from one photo and one audio file like Mp3 I’m using an Ubuntu headless server, so I need a command line version for this... I tried with avconv but I ...
4
votes
1answer
1k views

avconv converting videos in really bad quality

I have this linux command line app called avcon. It is used to converting files. For instance if I have a file called video.mp4 I can run avconv -i video.mp4 video.ogg and it will convert this ...
2
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0answers
89 views

Hue (tint, color) correction using avconv

I'm trying to make a demonstration of orange and blue color timing. I've been told I can do this in the YIQ domain by increasing the level of I and decreasing Q. So I want to take a video, rotate the ...
0
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0answers
48 views

Avconv help args with rtmp

Can someone help me with the command line args, I need to send video from /dev/video0 to rtmp://foo.net/live/1234. I have tried avconv -f video4linux2 -r 1 -i /dev/video0 -b:a 64k -vcodec libx264 -f ...
1
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2answers
400 views

How can I convert mp4 and mkv to 3gp?

I've a directory with 28 mp4's and 2 mkv's. I want to convert them all to 3gp using avconv. How do I do that?
0
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0answers
99 views

avconv scale with and height options correct syntax

I have the following error [scale @ 0x2413b00] The <w>:<h>:flags=<flags> option syntax is deprecated. Use either <w>:<h>:<flags> or ...
0
votes
1answer
117 views

avconv uses only the first image in directory

I am trying to generate a video from a sequence of png images. With the following command, a video is created, with the expected duration: avconv -framerate 20 -i '%05d.png' -b 65536k out.mov ...
0
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0answers
119 views

AAC to AC3 avconv failing on some Files

This excellent thread helped me get a script setup for converting my video files with 5.1 AAC sound to 5.1 AC3. However I'm having issues with some files avconv version 11.2-6:11.2-1, Copyright ...
1
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2answers
289 views

How do I make a video using my webcam? [duplicate]

I have an EEE PC 701 and want to record video using the built-in webcam. I have installed Lubuntu 14.10. I already have installed avconv and I want to use avconv.
12
votes
1answer
7k views

How can I create a video file from a set of jpg images? [duplicate]

I am attempting to create a video file from a set of JPG images. I have adapted the instructions given in this question but have experienced some issues. Firstly, not all of the required packages ...
1
vote
1answer
136 views

How to obtain frame rate of video as a fraction?

I am attempting to determine the exact frame rate of an H.264-encoded video. Using avprobe, I can obtain the following information: avprobe version 11-6:11-1, Copyright (c) 2007-2014 the Libav ...
1
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2answers
613 views

.sh ffmpeg works manually, not with CRON

I make a movie from jpeg pictures with the script: #create movie ffmpeg -i /home/philippe/Dropbox/Public/Cheiron/day/%d.jpg -r 25 -q:a 5 -pix_fmt yuv420p ...
1
vote
1answer
436 views

Is it possible to convert only audio in video file using avconv?

I have downloaded a video file in AVI format and it seems to have A52 (AC3) encoded audio. VLC for iOS can't play this audio format. Can I convert audio of this video file to AAC or something more ...
1
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0answers
278 views

Error: [matroska,webm @ XXXXX ] max_analyze_duration reached

I am using this command to transcode from my DVB recordings to H.264: avconv -i "$1" -map 0:v -map 0:a -c:v libx264 -c:a copy "$1".mkv >> "$1".log 2>&1 $1 is the file. These are my ...
1
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0answers
119 views

Merge two audio sources with avconv

I am trying to record my desktop with avconv. It's working pretty good. My only problem is that one of my audio channels is too slow / downpitched and so has an offset. Adding an offset to the stream ...
1
vote
1answer
324 views

Avconv doesn't convert .MKV to .MP4 no errors output file 0KB

I understand that this is SIMILAR to questions asked before and using those posts I have actually got the file process going however when it finishes (with out errors mind you) the .mp4 is a 0KB file ...
1
vote
1answer
271 views

avconv creates zero byte file while trying to downsample mp4 video

I am having a time lapse video created using my phone that I am trying to downsample from 1080p to 640x480. According to this answer, I am using avconv command avconv -i input.mp4 -s 640x480 ...
1
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0answers
932 views

Merge multiple webm files using avconv

I have multiple webm files in one location, say as inside video folder. I have ubuntu system. I want to merge all my web.m files in one output.wem file. I have read about ffmpeg, but when I tried ...
3
votes
2answers
2k 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 \ ...
2
votes
1answer
191 views

Feeding avconv one image after another

I have recently taken a bunch of images to create a time-lapse video and using avconv and this was surprisingly easy (after looking up the right command). But now I want to send each image through ...
0
votes
1answer
34 views

Sync issue with avconv

I am screen casting and cannot get the audio and video to sync. I believe it is the video that is advancing because the audio seems to be running fine. The command I am using is: avconv -f pulse ...
13
votes
4answers
13k views

Avconv warning while downloading YouTube video

I received this warning: Your copy of avconv is outdated, update avconv to version 10-0 or newer if you encounter any errors. while downloading a YouTube video with youtube-dl -f 137+140. I am ...
2
votes
1answer
253 views

Output pal8 rawvideo with avconv

I'm trying to reduce the resolution of some raw video using avconv. The output must keep the same raw video format, as at a later stage I need to load it into another program which is extremely picky ...
1
vote
1answer
167 views

Downloaded MMS stream has very long duration

I have successfully downloaded a one minute long stream: $ mimms -t 1 mms://stream.polskieradio.pl/program3 out.asf mms://stream.polskieradio.pl/program3 => out.asf 744.45 kB / ∞ B (12.00 kB/s, ∞ ...
6
votes
3answers
3k views

Convert all .ape files to .flac in different subfolders

I was trying to convert some .ape files to .flac files using avconv on command line; obviously, avconv is not the main point here; its syntax is pretty straightforward, avconv -i inputApeFile.ape ...