0
votes
1answer
56 views

avconv slideshow from images - first image appears for split second

I am currently using the following command to generate a slideshow from all jpg's in the current directory: avconv -r 1/5 -f image2 -i %03d.jpg -r 25 -c:v mpeg2video output.mpg The command almost ...
0
votes
0answers
36 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 ...
3
votes
0answers
821 views

Error while recording a RTSP stream with avconv

I need to losslessly record a RTSP stream of an Axis 211a camera using avconv on Ubuntu 12.04. I am using this command : avconv -rtsp_transport tcp -f rtsp -i rtsp://<IP>/mpeg4/media.amp ...
11
votes
3answers
8k views

Batch extract audio with avconv

I have about 70 mp4 files, and I want to extract the audio files directly without transcoding further. All the mp4 files have aac audio files. I understand I can use the following command to extract ...
0
votes
0answers
35 views

How to demux an mp4 file [duplicate]

Possible Duplicate: How can I extract audio track from video file? I have an mp4 file, and I want to separate the video and audio to separate files. I know the audio file in the mp4 file ...