Stack Overflow
Stack Overflow

Questions tagged [avconv]

avconv is a command-line tool for decoding, encoding, filtering, demuxing, and muxing multimedia. It is created by Libav–a fork of FFmpeg. Do not use the ffmpeg tag for avconv as these two tools are not identical. Non-programming questions involving this tool are off-topic and should be asked at Super User.

avconv is an open-source command-line video and audio encoding tool. It is created by Libav–a fork of FFmpeg.

Example command

avconv -i input.avi output.mp4

Getting avconv

  • Ubuntu 14.04 and Debian Jessie & Wheezy users can install avconv from the repository with the libav-tools package. Later Ubuntu and Debian versions provide the ffmpeg package instead.

  • Windows users can download avconv at builds.libav.org.

Links

265 questions
-1
votes
1 answer

How to convert .mp4 file to .webm using avconv tool

I have .mp4 file and I want to convert it to .webm with the same quality by avconv tool, and vice from .webm to . mp4 with the same quality document fuzzy to me.
M_3
  • 1
-1
votes
2 answers

How to create a video with raw images (.rgb format) and add audio to it in python?

I have been trying with openCV but it doesn't seem to help much. Also, I have tried ffmpeg and avconv. But I think am making a mistake somewhere. Could someone please guide me?
Presha Thakkar
  • 45
  • 1
  • 6
-1
votes
1 answer

Anybody know what this avconv line does?

avconv -y -i input.avi -b 915k -an -f mp4 -ar 44100 -f s16le -ac 2 -i /dev/zero -acodec libfaac -ab 128k -strict experimental -shortest -vcodec libx264 output.mp4 -loglevel fatal
Dr. Chocolate
  • 2,043
  • 4
  • 25
  • 45
-1
votes
1 answer

Rip and transcode using avconv

I converted a video tape to DVD with an old converter, then copied the DVD to my linux mint system to get a directory: $ /bin/ls -s 12 VIDEO_TS.BUP 12 VIDEO_TS.IFO 56 VIDEO_TS.VOB 76 VTS_01_0.BUP 76 VTS_01_0.IFO 1048548…
Sullivan
  • 443
  • 1
  • 6
  • 14
-1
votes
1 answer

ffmpeg stream to ffserver at lower bitrate (incomming x264 and aac)

Does anyone have any config files for ffserver and the options to use for ffmpeg to send lower bitrate to the ffserver and ffserver to stream using hls? I receive data from a live stream ( a music tv channel) witch is x264 and acc and I want to…
CGeorgian
  • 551
  • 6
  • 10
-1
votes
1 answer

avconv or FFMPEG command to have multiple pictures slices from a direct webcam on pc

I have found the command ffmpeg -i rtsp://10.2.69.201:554/ch0_0.h264 -f image2 -vf fps=fps=1/120 img%03d.jpg but it fail if I'm not on network. I tryed on my on computer but I have bind error. I would like to have a command like or a mix of these…
user3162862
  • 389
  • 1
  • 2
  • 6
-2
votes
1 answer

avconv - Automatically change orientation based on metadata

I am running a server application that accepts video uploads from an iOS app. The app uploads a .mov to the server and the server converts it to .mp4 (this is for future Android compatibility). The problem is that the .mov format uses a rotation…
optlink
  • 55
  • 1
  • 3
-2
votes
1 answer

Java ProcessBuilder in ubuntu with bmdcapture

I am working on live streaming from blackmagic decklink card. So for that I need to execute a command. String[] command={"./bmdcapture", "-m", "10", "-C", "0", "-V", "3", "-A", "2", "-F", "nut", "-f", "pipe:1", "|", "./avconv", "-i", "-", "-strict",…
Meenakshi Sundaram Selvaraj
  • 1
-2
votes
1 answer

Speeding up video to image conversion

I use call(['avconv', '-i', 'video.mp4', '-vsync', '1','-r', '1','-an','-y','%5d.jpg']) in Python. It works, but it goes through the videofile in realtime. How to speed this up, so getting 60 pictures all in all, each second of the video file does…
Timo Theobald
  • 25
  • 6
-3
votes
1 answer

is there any solution of the below problem

This is code and I'm getting the following issue filename is "ply_audio.py" from pydub import AudioSegment ># read/write data > data = AudioSegment.from_file(file="one.wav",format="wav") >data.export("new_test.wav") > python…
Sonu
  • 1
  • 1
1 2 3
…
17
18