0
votes
0answers
12 views

Using FFmpeg to stream from webcam on Linux

I'm try to stream input from a webcam to an http server, using FFmpeg. I cannot seem to figure out how to do this. From v4l2, these are my options: $ ffmpeg -f v4l2 -list_formats all -i /dev/video0 ...
0
votes
1answer
25 views

Live stream backup/alternative source

Hello I Am using ffmpeg and ffserver to stream mpegts with h264 encoding on an Ubuntu Server How Can I create a backup/alternative server so that if server1 stopped for any reason server2 takes its ...
0
votes
0answers
19 views

ffmpeg - how to see what scaling algorithm is used

I'm upscaling a 200x200 video to 400x400 using the -sws_flags scaling option to set the scaling algorithm. Now, I can't tell by the console output if some algorithm was used, neither by the looks of ...
0
votes
1answer
41 views

How to change ffmpeg -threads settings

Working on a tube site. I'm running videos through ffmpeg on a linux dedicated server to convert to mp4. The server specs: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte ...
0
votes
0answers
37 views

How to concatenate MP4 files without losing embedded subtitle or audio tracks?

I have two MP4 files (mediainfo below), one is a short intro scene, and the other is the primary feature. Now, the primary video contains several audio tracks and embedded subtitles. I want to simply ...
0
votes
0answers
55 views

How to bypass problems when trying to spoof a webcam in Linux

I am wanting to spoof my webcam, so I can eventually insert the method in to a pen-testing book that I am writing. This could possibly lead me into to building a program that is better than ...
0
votes
1answer
49 views

Can't get codecs for mp4 on Ubuntu

I cannot enable mp4s on any sort of video player on a fresh install of ubuntu, though admittedly Ubuntu 10.10, which I have attempted to update via the Ubuntu-Software-Center route. Is there a simple ...
0
votes
0answers
77 views

Trouble streaming output from mplayer to a browser through ffmpeg, ffserve

Disclaimer: I'm the producer of the DVD used in this post, so there's no legal issue with me decoding the content :) I'm building a web-based DVD player using mplayer and ffmpeg. It's very close to ...
0
votes
1answer
155 views

Unrecognized option 'b:v' when trying to convert a video

I get "Unrecognized option b:v" when I tried to convert a video. I'm using FFmpeg version SVN-r26402. Here is my error log: Raw Conversion Log Started on 2014-06-29 00:02:02 - 2014 Jun 29 Checking ...
0
votes
1answer
73 views

FFmpeg encoding part of the video with subtitles

encode part of a file and at the same time add the subtitles for that part. I am using: ffmpeg -ss 00:02:00 -t 00:00:30 -i "path/to/input" -c:v libvpx -crf 5 -b:v 3M -c:a libvorbis -vf ...
1
vote
1answer
43 views

Piping xpra to ffmpeg

I'm trying to record a headless, xpra display. (I've attempted both the xvfb and Xdummy options). The issue is with ffmpeg's "x11grab". The command being used is: /usr/bin/ffmpeg -y -framerate 2 ...
0
votes
0answers
242 views

FFmpeg unable to find a suitable output format when run from script

I'm trying to write bash script, which I can use to start encode of my video for web player, and also log to file when it started / finished. It looks like this: #!/bin/bash ...
0
votes
0answers
29 views

Change Audio title from English to Sinhalese using ffmpeg

I insert an extra Sound track in my video file and it works well. ffmpeg -i news.mov -i news.wav -map 0:0 -map 0:1 -map 1:0 -pass 1 -vcodec libx264 -preset fast -b 512k -minrate 512k -maxrate 512k ...
0
votes
0answers
82 views

DEBIAN / MOTION / FFMPEG not compliant - can't get up to date versions working together

Goals I'm running debian 7.5 (wheezy). In a previous post I described the problem I faced with motion 3.2.12 usage (Avcodec opening fails). To move forward I want to compile the same motion version ...
1
vote
0answers
411 views

create video from jpg images using ffmpeg

I want to make short timelapse video using ffmpeg under ubuntu 12.04 LTS. I have a folder containing all images with names DSC_0000.jpg DSC_0001.jpg and so on. I found this question ffmpeg: create a ...
0
votes
1answer
130 views

Creating video with multiple audios and one still image for YouTube

I want to create many videos with multiple audio streams and one single picture. For example I have song1.mp3 song2.mp3 song3.mp3 and one single picture. What I need to do is to create many ...
4
votes
1answer
49 views

Detect truncated mp3 or ogg files

I recently had a hard disk failure and could not rescue all my music files. Since I didn't have enough storage available to do a full backup of the disk, I tried to cp as many tracks as possible, but ...
0
votes
2answers
278 views

Use ffmpeg to cut mkv file

I tried to cut MKV video file by following command in Linux mint 16. ffmpeg -i input.mkv -vcodec copy -acodec copy -ss 00:39:05 -t 00:03:03 out.mkv output: ffmpeg version ...
0
votes
0answers
109 views

ffmpeg conversion commandline needed

I want to ask for help on converting a mpg videofile recorded from TV to a mp4 format my SAT Receiver can play, (mp4). Below are the format infos of source and target output by ffmpeg -i: All done on ...
0
votes
1answer
61 views

storing and securing the video using ffmpeg

this is my first question on the site. Currently I am working on one application which captures the video and store it in the system hard drive. Both the functionality is working fine.We are storing ...
0
votes
0answers
172 views

ffmpeg capture frame from input on demand

I'm trying to capture image frames from a webcam on demand. I'm using ffmpeg and I was thinking of keeping a stream running, sort of as a daemon, with: ffmpeg -f v4l2 -i /dev/video0 /dev/null Is it ...
1
vote
1answer
236 views

Using Raspberry Pi as I/O for webcams

I'm working on a project where a Raspberry Pi is being used as an I/O board for multiple servos, which are actually controlled by another computer, connected to the RPi via ethernet. I need to add 2 ...
0
votes
0answers
127 views

auto install script: ffmpeg + most supported codecs

I would like to install the real ffmpeg framework on my Mint 16 (not the libav one!). The problems are: The public available ffmpeg install packages only offer versions of ffmpeg that do not ...
0
votes
1answer
468 views

Linux On-Demand Streaming Server

I'm looking for a server software for Linux, with which I can stream Video files via the network. I'd prefer a Software with a (web) GUI or one where you only have to point your media player to a ...
0
votes
0answers
201 views

how to dump video streaming without distorted view , green screen , and noise

I have to dump video streaming from hundreds of network cameras (IP cameras), via RTSP protocol (h264, mp4) or http protocol (for motion jpeg). so I should run the VLC in command line interface to ...
0
votes
0answers
114 views

Multimedia codecs for SUSE Linux Enterprise Desktop 11

I've bought notebook from HP with pre-installed SUSE Enterprise 11. I registered system during installation process and upgraded it. I can play all music files but I cannot find any codecs for movies. ...
1
vote
1answer
587 views

Linux Mint and Ubuntu ffmpeg don't do libx264 anymore?

seems Linux Mint 16 and Ubuntu current don't do libx264 with ffmpeg anymore. I have an old script from a few years ago that takes my recordings from Mythtv and converts them to the h264 format. --- ...
1
vote
0answers
69 views

ffmpeg x11grab a single window

Is it possible with ffmpeg grab a window that is minimized or that not has the focus (there is another window over but ffmpeg records only the window which is below)? With a command like ffmpeg -f ...
1
vote
2answers
349 views

How can I check the integrity of an avi file and repair it automatically in Linux?

I have an avi file and tried to check it as suggested here. But after a short while I just got a segmentation fault, without any other information! How is it possible to fix/repair this avi file? ...
0
votes
1answer
191 views

Decoding H.264 file to YUV with deblocking filter

When I'm decoding a H.264 file to YUV using ffmpeg, the deblocking filter flag is disabled. I ran the ffmpeg code in Linux using the command ./ffmpeg -f h264 -i input.h264 output.yuv Can anyone ...
1
vote
1answer
118 views

How to fix broken DV file using tools available for Ubuntu/Linux

I have a DV capture which for some reason is broken. By broken I mean that avconv/ffmpeg/avidemux won't open it, although totem and VLC will open it. I suppose there's something corrupt/wrong at the ...
0
votes
1answer
245 views

How to convert DV to robust compressed video file for editing later

I have 60Gb of DV footage that I need to store, but 60Gb is WAY too big. I need to transcode it to a lossy format, but I need the resulting video to be robust such that it can be easily edited with a ...
2
votes
1answer
195 views

Ffmpeg Sync when extracting parts of video

This question can be seen as an extension of this question. I am using the ffmpeg 2.0.1 . The following commands is useful when you want to extract parts of one big video file given time makers. ...
1
vote
2answers
716 views

Ffmpeg Audio Stereo to Mono using only left channel

I use the following command to extract video parts of an '.MTS' record (video). ffmpeg -i 00402.MTS -s 1280x720 -r 25 -ss 0:00:05.38608 -vcodec libxvid -qscale:v 2 -acodec ac3 -ar 48000 -ab 256k -t ...
0
votes
1answer
205 views

Ffmpeg : Audio/Video mixing but no sound

I'm trying to add an audio file to a video file generated from images with FFmpeg. The command i am using on a Debian distrib is this one ffmpeg -r 1 -i edit%0d.jpg outputName.mp4 -i Test.mp3 ...
3
votes
1answer
317 views

ffmpeg - different input and output duration

I have strange duration issue when converting videos from mp4 to flv. Also there is a different "start_time", what is that? What does start_time means? input duration - 0:00:29.577000 input ...
2
votes
1answer
174 views

ffmpeg stripping out third stream not working

I have files with a third stream which could be some metadata from FCP. This is the output of ffprobe: ffprobe 00700.mov ffprobe version 2.0.1 Copyright (c) 2007-2013 the FFmpeg developers ...
1
vote
0answers
223 views

Ffmpeg dropping frames, but not using more the 10-20% of cpu

I have some old hardware so I'm not expecting miracles. I want to stream from a webcam to ustream at standard quality. I'm using a code like sudo ffmpeg -re -f v4l2 -i /dev/video1 -f flv ...
0
votes
1answer
445 views

omxplayer/ffmpeg error max_analyze_duration 0 reached at 0 microseconds

I have encountered an error with omxplayer that's usually an ffmpeg error When I issue the command omxplayer -info movie.mkv I get the following error: [matroska,webm @ 0xbc9450] ...
0
votes
0answers
121 views

FFmpeg: How to make video with silent sound from single image

I need to make a flv video from single picture with silent aac sound. Video params I needed: fps - 30 duration - 60 secs audio rate 44100 size 1920×108 pix_fmt yuv420p Here is the sample ...
1
vote
1answer
145 views

keepalive type and frequency in ffmpeg

My company has a bunch of IP cameras that we distribute - specifically Grandstream - and the manufacturer has changed their firmware. The normal keepalive that ffmpeg uses for the rtsp streams ( ...
0
votes
1answer
3k views

Add an image as watermark to a video file with ffmpeg

I would like to add a text to a video file with FFMPEG. While I was able to do this with plain text $FFMPEG -y -i $SOURCE \ -vf ...
0
votes
0answers
85 views

Delete file if silence detect?

I'm using this filter "-af silencedetect=n=-30dB:d=2" in FFmpeg, and I'd like to know if is there a option or argument if was detected silence in audio don't generate it, if someone know how or know ...
0
votes
1answer
1k views

ffmpeg fastest way to convert videos avi to mp4

I have server which has: 8x3,4 (sandy bridge cpu) 10gb ram i tried different combinations to convert vvideos i mean avi to mp4 but it takes so long: - ~20mins=~200mb maybe there is some ffmpeg ...
0
votes
1answer
237 views

How to keep source frame rate with mencoder/ffmpeg?

I would like to crop and rotate a video, and then encode it to mp4 or mkv. mencoder video.mp4 -vf rotate=1,crop=720:1280:0:0 -oac pcm -ovc x264 -x264encopts ...
1
vote
0answers
108 views

FFmpeg audio dont work in converted videos

NOTICE: When I convert videos via terminal and download them from ftp into my PC, the audio works fine. I use: if($ext == "avi" && $convert_avi == true) { $convert_source = ...
0
votes
1answer
98 views

How to resolve conflicts when two binaries have the same name

Running OS X (10.9), I have a program called 'HEAD' in /Applications/XAMPP/xamppfiles/bin/, which is related to libwww-perl. The OS also has an unrelated program called 'head' in /usr/bin/ Since the ...
2
votes
1answer
167 views

Find video file position using an image match

What would be the best tool / method to automatically find a position from an video file, where the frame approximately matches* a given image? Basically, a command to: "Find the position where ...
0
votes
1answer
398 views

FFMPEG: NOT adding watermark to video

I diligently followed FFMPEG: how to add watermark to video? FFmpeg watermark but under linux (ubuntu 13.04 64bit) the command to WATERMARK video file stream a png watermark seems NOT to work ...
0
votes
0answers
161 views

Questions about FFMPEG Command Streaming Webcam Frames

I am using the following command to capture raw RGB data from my webcam (I originally pieced this together with help from some people on another question): ffmpeg -f video4linux2 -r 1 -s 640x480 -i ...