0
votes
0answers
55 views

How to replace libav with FFMPEG on pcduino borad (ARM)?

Hi I am currently working with a pcduino board. I was trying to run ffmpeg but realized that I had install avserver instead. So I looked at this link How to replace avconv with (the real) ffmpeg and ...
0
votes
1answer
66 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 ...
1
vote
0answers
50 views

avconv pipe to v4l2loopback device

I use v4l2loopback module to create two video device. My intention is to pipe output from primary video device to these two virtual devices. I can do that using ffmpeg: ffmpeg -f video4linux2 -s ...
0
votes
1answer
69 views

avconv incorrect length when splitting video

avconv used to work fine for me in 13.10, but now it doesn't. I'm using it in the same way as before, for example: avconv -ss 1971 -t 2216 -i x.mp4 -vcodec copy -acodec copy -metadata track="7" ...
0
votes
2answers
286 views

How may I burn srt subtitles to video with avconv?

System : Xubuntu 13.04 x64 I've found usage of this functionality in ffmpeg here ffmpeg -i video.avi -vf subtitles=subtitle.srt out.avi but it doesn't work. I get an error No such filter: ...
0
votes
1answer
100 views

Convert .mp4 to .ogg keeping only the audio, with Ubuntu 14.04 and avconv

How to convert a .mp4 file (downloaded from YouTube) to .ogg? (keeping only the audio) When Ubuntu had ffmpeg I could just do ffmpeg -i file.mp4 -acodec vorbis file.ogg Now we have to do without ...
2
votes
1answer
98 views

avconv assert error mpah.frame_size when trying to convert WAV to MP3 under 14.04 [closed]

My objective is to convert a WAV file to MP3 on 14.04 (64-bit). The wav file is "Signed 16 bit Little Endian, Rate 16000 Hz, Mono" and is known to good. It plays fine with aplay, also converts ...
0
votes
0answers
61 views

Twitch streaming on ubuntu isn't working

So, i've been trying to stream to twitch on Ubuntu for awhile now, and i've tried quite a few streaming scripts for ffmpeg and avconv and also SimpleScreenRecorder's streaming function without ...
0
votes
0answers
22 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
votes
1answer
3k 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 ...
10
votes
2answers
9k 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 ...
2
votes
2answers
7k 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
votes
0answers
90 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
votes
2answers
1k 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 ...
0
votes
1answer
402 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
votes
0answers
517 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 ...
0
votes
1answer
354 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 ...
4
votes
1answer
2k 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
vote
1answer
3k 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 ...
1
vote
0answers
115 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 ...
1
vote
0answers
142 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 ...
0
votes
1answer
171 views

Convert a bunch of jpegs to a movie

I have a bunch of non-consecutivly numbered jpegs (they are in order, but there are gaps in the sequence) that I want to convert into a movie. When I try using convert, ffmpeg or avconv, it creates ...
1
vote
2answers
916 views

I get an error when trying to convert video

I m trying to convert mp4 video file to avi file with ffmpeg -i 10.mp4 -vcodec mpeg4 -vtag XVID -b 990k -bf 2 -g 300 -s 640x360 -acodec libmp3lame -ab 128k -ar 48000 -ac 2 -pass 2 -f avi 10.avi but ...
2
votes
2answers
833 views

How to convert flv file(s) to mp3 from PCManFM's (Open with) context menu?

Opening a terminal in a folder that contains a flv file called "one" (one.flv) and running this command: ffmpeg -i one.flv one.mp3 the flv file is converted to mp3 with the same name and in the same ...
3
votes
0answers
2k views

How to stream a local video file over Internet using avconv/avserver?

As FFmpeg is going to be dropped from Ubuntu, it will be important to know how to broadcast videos over Intrnet using avconv. An official guide is available, but it doesn't give much information how ...
5
votes
3answers
2k views

ffmpeg/avconv - the -psp option no longer works on Sony Walkman

Since the changeover from ffmpeg to avconv, the -psp option does not seem to render video correctly for Sony Walkman - "file format not supported", it was perfect before. ffmpeg -i video.avi -f psp ...
3
votes
2answers
4k views

How to add microphone audio into avconv's video in x11grab mode?

I want to create some screencast, I am using avconv (recent ffmpeg counterpart) for doing so. This is the reference for command I used. I also referred the avconv manual pages. Due to some reason I ...