0
votes
0answers
8 views

Delay while recording the video using epiphan vga2usb frame grabber

Hi this is my first question on this portal. I am using epiphan vga2usb frame grabber for capturing output from virtually any VGA source—such as a Windows PC, a Mac OSX, a Unix machine. I also used ...
0
votes
0answers
15 views

Is there any color managed video player for linux?

I have a wide gamut display, but any video out there is intended for playback on Rec. 709 or sRGB device, so is there any color managed player to handle this? I don't care if it supports system-wide ...
0
votes
0answers
26 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
54 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
106 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
0answers
19 views

how can i avoid audio stutter in mpeg video's?

I have a couple of mpeg video files which were digitized from old betamax and VHS tapes, using Cyberlink Power Director on Windows XP. These videos play fine in Windows, on my old PC, and on my new ...
0
votes
2answers
1k views

Ubuntu 14.04 64bit - 'GStreamer ffmpeg video plugin' problem

I can't install gstreamer0.10-ffmpeg on Ubuntu 14.04
0
votes
0answers
28 views

how to fix Build_one :function error?

I'm trying to separate audio and video from video file. After searching on the internet I came to know it can be done using FFMPEG. Now I need to build FFMPEG library file for my Android application ...
1
vote
0answers
31 views

Remove audio from mp4 file [duplicate]

I have a video file i.e. video.mp4 it contain both video and audio. I want to remove the audio from this mp4 file. I tried using the following ffmpeg command: ffmpeg -i /home/Desktop/video.mp4 ...
0
votes
0answers
52 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
2answers
83 views

FFMPEG Audio not recording

I'm having some issues recording sound with FFMPEG on Ubuntu. ffmpeg -v verbose -f x11grab -y -r 60 -s 1920x1080 -i :0.0 -vcodec mpeg4 -f alsa -i pulse -ar 44100 -acodec libmp3lame -ab 192k -ac 2 ...
0
votes
0answers
29 views

how to change the preset of the WinFF

I want to covert the files to AVI using WinFF. In WinFF, the preset only has four options: MS compatible AVI, XviD Full Screen, Xvid wideScreen, xvid Widescreen anamoriphic. However, I want the ...
1
vote
1answer
86 views

FFmpeg on Linux Video Size in Preset

Hi everyone I am trying to create a preset to encode my videos with ffmpeg through this file: #video options s=716x402 vcodec=libx264 minrate=900k maxrate=1100k bufsize=1500k vprofile=high level=4 ...
0
votes
0answers
29 views

Editing AVI Metadata

I know there are questions like this one but I tried other's solutions but they did not work for me. This 'works': ffmpeg -i input.avi -metadata title="Moonshine" -metadata author="Moonshine" ...
1
vote
0answers
33 views

Camera's pts and dts jumps issue

I use ffmpeg library in my code for capturing rtsp streams from cameras and writing in flv. If I capture streams from only one camera and camera has only video stream then there's no any errors, I got ...
0
votes
0answers
443 views

Help with FFMPEG issue; “[swscaler @ 0xa314080] Warning: data is not aligned! This can lead to a speedloss”

related to ; http://superuser.com/questions/725581/create-a-screencast-with-ffmpeg-how-to-keep-videoaudio-in-sync/728739?noredirect=1#comment934589_728739 and ; ...
0
votes
2answers
192 views

How to prevent the recorded video using ffmpeg get corrupt

Actually I have an device that record the audio and video. when the recording is started the video file also started to persist into the hard drive. But if device goes off unfortunately between the ...
0
votes
0answers
148 views

How do i convert PAL DVD to NTSC

I just bought some SCI-fi movies online, and the disk format it PAL section 2. I can play them in VLC just fine, but i want to convert them to NTSC so I can use my dvd player /TV. How can I convert ...
0
votes
1answer
974 views

Deshaking videos using script

how can I desake my video? I try to use transcode? transcode -J stabilize --mplayer_probe -i "input.MTS" But it causes an segfault. Trying to use ffmpeg filters: ffmpeg -i "input.MTS" -vf ...
0
votes
0answers
59 views

Damaged mp4 file - can't extract audio

I've been trying fruitlessly for a while now and gotten so frustrated I finally succumbed and decided to ask for help. I ask though because this file is VERY important, it is also important I know ...
1
vote
0answers
157 views

Specify shared library location for VLC

I built (from source) a newer version of libavcodec.so, libavformat.so, etc. than provided by the Ubuntu repositories. (My newer versions are installed in /usr/local/lib). Using ldd /usr/bin/vlc to ...
1
vote
2answers
12k views

How to simply convert video files (i.e.: MKV to MP4)? [duplicate]

I simply want to convert files, any format to any format (at the moment, I need to convert MKV to MP4-h264), without losing quality. I don't want to resize (scale) the video, I don't want to change ...
0
votes
1answer
117 views

DVD Audio Playback Silent - how to find codec

I'm utterly baffled by this but I'm sure the fix must be simple - I can play DVDs fine on my ubuntu machine but I have just bought a new DVD and there is no sound. The sound works on all other DVDs ...
1
vote
2answers
167 views

ffmpeg how to output images from a video

I want to extract images from a video I want thous images to be extracted from specific time for example 0:30 1:15 1:45 and I would love them to be in PNG format as well Thank you in advanced ...
9
votes
2answers
8k 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 ...
1
vote
2answers
6k 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
1answer
763 views

mp4 to mpeg TS 2

I want to convert mp4 video to mpeg Ts2. What's the best way to do it and preserve HD quality? Input #0, mov,mp4,m4a,3gp,3g2,mj2, from 'How to Get the Newest Smartphones from AT&T - YouTube.mp4': ...
4
votes
2answers
4k views

How to minimize usage of CPU/memory by ffmpeg when recording video

I use FFmpeg for making video screen capture from Xvfb display. Currently I invoke it with: ffmpeg -y -r 15 -g 600 -s 1280x1024x24 -f x11grab -i :100 -vcodec libx264 /tmp/video.mov As I record ...
2
votes
1answer
278 views

ffmpeg - Create a mp3 file with album art from an mkv file

I want to create an mp3 file from a given mkv file using ffmpeg the output of ffmpeg -i is as follows Seems stream 0 codec frame rate differs from container frame rate: 59.94 (2000000/33367) -> ...
3
votes
2answers
8k views

Fastest way to convert videos (batch or single)?

I know there are a lot of questions about video encoders around here, but my question is more about workflow/efficiency. For my day job, I need to convert videos, frequently, from many random formats ...
2
votes
0answers
228 views

Is it possible to rotate a video using avidemux command line?

I have a number of video files (MOV) which I only need to rotate 90° clockwise. As it may be needed in the future as well, I first tried using ffmpeg and then mencoder command line in a Nautilus ...
0
votes
0answers
979 views

Bitrate settings are not consistent ffmpeg

How do I change the bitrate for both the video & audio together in one line? Was frustrated with avconv not doing something right so I was messing around with ffmpeg to see if I could circumvent ...
0
votes
0answers
504 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
vote
0answers
150 views

avconf or winff

My simple question is: What should I do with the hint: * THIS PROGRAM IS DEPRECATED * This program is only provided for compatibility and will be removed in a future release. Please use avconv ...
0
votes
1answer
28 views

how to adjust size of bits for frame?

Am using currently program "Recordmydesktop" - which again uses ffmpeg too - for to record some video of desktop-program. How do I adjust the size in Bytes for the frame ?! - I want to achieve better ...
4
votes
1answer
11k views

Install latest ffmpeg for all users in Debina/Ubuntu

I installed ffmpeg on my Ubuntu using the guide: https://ffmpeg.org/trac/ffmpeg/wiki/UbuntuCompilationGuide It is good and working. I know that guide is for installing ffmpeg for current user. Can ...
1
vote
0answers
545 views

ffserver troubleshooting. streaming video from ubuntu server

I have a raring ring-tail server, which I want to stream video from an attached USB webcam. I have followed this guide to install ffmpeg, ffserver, and numerous codecs. ...
0
votes
1answer
4k views

Cannot compile ffmpeg with fdk-aac

I need to compile ffmpeg with libfdk-aac on Ubuntu 13.04. I followed the following instructions to compile libfdk-aac wget http://downloads.sourceforge.net/opencore-amr/fdk-aac-0.1.0.tar.gz tar xzvf ...
0
votes
0answers
372 views

How to make a screencast in 13.04? [duplicate]

The question explains what is my need. Can we make screencast without using additional software other than ffmpeg? While searching the net, I found a solution. The solution was: ffmpeg -f alsa -i ...
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
105 views

ffmpeg / avconv follow_mouse not working?

I'm trying the option -follow_mouse with both ffmpeg and avconv and I can't make it work. avconv version 0.8.6-6:0.8.6-1ubuntu2 tells me: Option follow_mouse not found. ffmpeg version ...
6
votes
2answers
15k views

How to fast convert mp4 to webm using ffmpeg?

Sorry to disturb you but I'm in a kind of a trouble. I have to convert 76 mp4 files to webm for the purpose of a website that uses HTML5 videos. I'm talking about 10 Gb of mp4 files... I know I can ...
5
votes
2answers
5k views

ffmpeg resize “could not find codec parameters”

I'm a newbee to ubuntu and need your help: (32bit ubuntu 12.10) my command: ffmpeg -i ../output_images/particles%04d.png -r 30 -b 30000k final_movie.avi works for my 800x800 *.png pictures ...
2
votes
1answer
732 views

Is it possible to do a lossless conversion from m4v to webm?

I have several m4v files, which I need to convert to webm. I am using ffmpeg for doing so and have used commands such as: ffmpeg -i myfiletoconvert.m4v output.webm The conversion works fine, and ...
1
vote
0answers
409 views

Why can't I install codec for ffmpeg?

When I run sudo apt-get install libavcodec-extra-53 I get The following packages have unmet dependencies: libavcodec-extra-53 : Depends: libfaac0 but it is not installable
-1
votes
1answer
119 views

Best is the best format to store videos? [closed]

I download and import videos from various website and devices. I also view them on various devices requiring different formats. I want to convert my videos into a single base format, then convert ...
1
vote
3answers
9k views

How do I add and/or keep subtitles when converting video?

I have a mkv video I want to convert to mp4, but every which way I try and convert it (Handbrake, WinFF, ffmpeg, mencoder,...I lose the video's subtitles. How can I convert the video,keeping the ...
2
votes
0answers
2k views

Can't capture video from usb-webcam with ffmpeg

i have a hama usb webcam which works fine with the fswebcam command to capture single frames but when i try to capture a video with ffmpeg i get an error: sudo ffmpeg -f video4linux2 -i /dev/video0 ...
0
votes
1answer
602 views

Downsize video for use on Android phone

I've got some 1080p movies on my Ubuntu system, which I'd like to trasfer to my Android phone for when I'm in a situation where I have nothing to do (like an absent teacher at school). My phone screen ...
1
vote
1answer
395 views

Can't open video files

I could open video files but then I installed ffmpeg to install opencv and now it does not open video files. I tried vlc and ubuntu's Movie Player to open .mkv, .avi, and .mp4 but none of them opened. ...