Media tool with support for multiple codecs, filters, and containers. Include the full, uncut console output if you have problems with an FFmpeg command.

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1answer
575 views

FFmpeg - can't use -pattern_type option

I'm trying to use FFmpeg to create a video from a series of images, named snapshot-00001.jpg, snapshot-00002.jpg, and so on, by using the command ffmpeg -f image2 -r 10 -pattern_type glob -i '*.jpg' ...
0
votes
2answers
679 views

Completely uninstalling ffmpeg

I need help uninstall ffmpeg. The problem is, I can't remember what method I used to install it. But I've already done uninstalling through apt using sudo apt-get remove ffmpeg libav. Thing is, even ...
1
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0answers
188 views

FFmpeg drawtext width

It seems that ffmpeg is great for single line scrolling, but I have not been able to find anyone or any examples that set a multi-line based on a width. I have been looking at DrawText instead of ...
1
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1answer
528 views

How to use avconv or ffmpeg to convert any video to an exact size and shape

We have a system that supports streaming video, but we support multiple players. I have multiple systems that I COULD use for this. Currently, I've been using the media server that we use to stream ...
2
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1answer
193 views

DrawText FFmpeg expression on fontcolor

I am trying to get a faded in text. I was hoping to be able to do it via the fontcolor and an expression - like this fontcolor='if(gt(n,44), white@.2, white)' obviously this doesn't "fade in", but ...
0
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1answer
567 views

ffmpeg XDCAM HD vtag profiles

Hey guys sorry for disturbing you again, but these days I have a lot of work to do with ffmpeg. I found on http://code.google.com/p/ffmbc/wiki/XDCAMHD422Encoding vtag settings for XDCAM HD 422 and ...
1
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2answers
2k views

Clarification for ffmpeg input option with image files as input

I have some images and I'd like to make an animated gif with ffmpeg. The images have names as: 837_1.png 838_1.png ... I'm trying to unserstand the -i command line option of ffmpeg but I am ...
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3answers
3k views

How to generate an MP4 with H.265 codec using FFmpeg?

I want to encode a video file to H.265. The last version of ffmpeg should be support H.265 (Source). However, I could not find any information about the exact command. I do not know, which library I ...
0
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0answers
382 views

How to extract jpegs from a video file using ffmpeg

I am using C# and ffmpeg. In this scenario I have 279 individual jpegs and i have used ffmpeg to create a AVI file from these images on my client. CMD Line: -f image2 -r 10 -i ...
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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
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1answer
365 views

avconv gets killed if mkv has subtitles

What I'm trying to do is to take a movie (in an Matroska container), convert all audio tracks to AC3 and don't touch anything else. I'm using this line: avconv -i infile.mkv -map 0 -vcodec copy ...
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0answers
310 views

Echo cancel and noise reduction - how to use WebRTC echo cancel engine with VLC, Gstreamer, Mplayer, FFmpeg?

How to use WebRTC echo cancel with VLC, Gstreamer, Mplayer, FFmpeg? e.g: vlc alsa://plughw:0,0 gst-launch-0.10 alsasrc device=hw:0 ! autoaudiosink arecord -D hw:0 -r 44100 -c 2 -f S16_LE | aplay ...
0
votes
2answers
1k views

HTML5 video player stutters even after video is loaded

I am using jwplayer to display videos on my websites but cannot manage to make them running smoothly. They stutter, especially in full screen, although I wait for the video to fully load. I tried ...
0
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0answers
102 views

How does one take an MPEG4/MP3 AVI and re-encapsulate it in MP4?

I've been trying to take an old AVI file I have that has an MPEG4 video with MP3 audio and re-encapsulate it in an MP4 container. The audio was easy enough to figure out (-acodec libfaac), but I don't ...
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0answers
116 views

FFMPEG converted file for jwplayer shows black

im new to ffmpeg, and I'm trying to convert it to mp4 to play on jwplayer, the video converts, the sound is good, but all i can see is black color, maybie anyone knows the answer to this problem? ...
0
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0answers
71 views

Retranslate HTTP video stream on Windows

I want to retranslate video stream incoming from VLC player. I know that ffserver can do it, but it is available only for Linux. Are there any alternatives for Windows? Also it would be great if you ...
0
votes
1answer
424 views

no output from shell_exec when running ffmpeg

I'm trying to run ffmpeg via shell_exec on windows. My function isn't working (it doesn't execute, doesn't output a file, and doesn't output any results from shell_exec) function convertFile($audio, ...
0
votes
1answer
186 views

Normalise levels, contrast, brightness of an image sequence

When making animated gifs or short stop-motion videos from an image sequence, I want them to have all similar levels so that the output looks smooth. It does not have to be a professional quality ...
2
votes
0answers
1k views

live stream with ffmpeg and IP camera

I'm reading a live stream from a DKSEG IP camera, but the results are not good at all ... Here is the command line used for this : ./ffmpeg -i ...
0
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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 ...
0
votes
1answer
366 views

reaching constant video bitrate by using ffmpeg

We use ffmpeg and a transcoding script for transcoding and want to make some batch files which we can use for transcoding. For example I use a parameter called video_kbit and if I am writing in ...
0
votes
1answer
46 views

ideal settings for mp3 + jpeg to video output? [closed]

I want to take mp3's and jpg's and output them to a video file, with the intention they'll be uploaded to youtube. I'm wondering what the ideal settings would be. One stipulation, however, is that I ...
3
votes
2answers
4k views

ffmpeg to capture stills from H.264 stream

I'm trying to capture still images from an H.264 wireless IP camera using ffmpeg. I found a similar question here: How can I extract a good quality JPEG image from an H264 video file with ffmpeg? ...
0
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1answer
575 views

FFMpeg FTP output issue, can't output to MP4 format

I have a problem with FFMpeg when I want to convert video to MP4, and output to FTP. Simply try to do this (and it will not work): ffmpeg.exe -i test.avi ftp://127.0.0.1/dumped.mp4 But it works ...
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
168 views

Can FFmpeg concat and drawtext at the same time?

I can successfully use FFmpeg's concat filter and the drawtext filter in separate commands. But this requires two encoding runs. Is it possible to get both of these filters to work in a chain, so ...
0
votes
1answer
399 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
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0answers
20 views

How to get rotation attribute in metadata using FFMPEG [duplicate]

I am trying to figure out rotation attribute in metadata using FFMPEG.I use the following command FFMPEG -i D:\maxpayne3.mp4 ffmpeg version N-57217-ga7e3006 Copyright (c) 2000-2013 the FFmpeg ...
1
vote
1answer
302 views

ffmpeg - join / merge on top of each other

I'm trying to join together two videos on top of each other. I already did these two ffmpeg commands: ffmpeg -i 2_Out_of_Control.VOB -aspect 16:9 \ -vf ...
0
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0answers
81 views

Cut part of video with ffmpeg with both sync and quality?

How to cut part of video with ffmpeg without any problems? The following command ffmpeg -i <infile> -ss <starttime> -to <endtime> -vcodec copy -acodec copy <outfile> will ...
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0answers
180 views

ffmpeg- using ffmpeg to take screen shot of every nth second in C#.Some image are not created properly show blank

below command is used in loop to take snapshot in my program ffmpeg.exe -ss 720 -i WIn_0_0.wmv -vframes 1 -vf ...
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0answers
319 views

Find out rotation metadata from video in ffmpeg

If I use: ffmpeg -i in.mov -vf "transpose=1" out.mov all .mov files are getting rotated, but what I need is to automatically detect just the rotated videos and change orientation for just those ...
0
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2answers
135 views

FFMpeg metadata issue

whenever I run ffmpeg -i filename it returns something like this: Metadata: major_brand : mp42 minor_version : 0 compatible_brands: isommp42 creation_time : 2010-07-16 18:33:45 Duration: ...
0
votes
1answer
87 views

Running `tail -F $file` then removing outputted lines

Long story short; I'm running this command to stream a forever growing audio file audio.mpg into ffmpeg tail -F audio.mp3 | ffmpeg -i - http://127.0.0.1:8090/feed1.ffm audio.mp3 is being SSH'd from ...
1
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1answer
347 views

ffmpeg video to image conversion. on specifying image size , filter text are not clear

If i extract video file resolution of 320x240 , text on it is looking good and readable. in case if i give input video of resolution 1280x720 or any greater values. Text on it not readable. it resize ...
2
votes
1answer
87 views

List of media files with its duration

I wanted to get a list of mp4 files and its corresponding duration from all the folders matching the pattern below e.g: LO1/LO1.MP4,LO3/LO3.MP4 I tried following but I get multiple entries as well ...
2
votes
1answer
191 views

Streaming Video From Server Using VLC CLI

Currently, I have a server with a bunch of home movies on it. These home movies are anywhere from 720p to 1080p. The bit rate of these videos is too high for me to stream via a simple "open the http ...
0
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0answers
219 views

Retrieve subtitle using ffmpeg

I've recorded a program through HDHomeRun (DVB-T), now I want to convert it into a format that apple can understand, but I'm a bit in a stand still because I also wants the subtitles. This is the ...
1
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0answers
373 views

ffmpeg to remote ffserver

I'm trying to set up a live audio feed from my camera to a webserver. I'm currently using a D-SRL to capture Video/Audio via Firewire then using dvgrab on Ubuntu running ffmpeg. My Machine (Example ...
3
votes
1answer
708 views

Why doesn't this video play on iOS?

I'm having trouble getting my mp4 video to play on any iOS device. I'm testing on an iPhone with iOS 6 and an iPad running iOS 7. When I upload the video to my server and enter the URL directly on the ...
0
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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 ...
4
votes
1answer
624 views

Cut last 30 seconds off ends of videos using ffmpeg in a batch file in Windows

This is what I have so far: for i in *.mp4; do ffprobe -show_format -i "%i" // get duration, then need to somehow subtract 30 seconds, and marry these two commands ffmpeg -ss 0 -i "$i" -t ...
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votes
0answers
53 views

Ffmpeg segmenting syntax

I'm trying to use ffmpeg to break long video files (circa 60mins) with the following requirements: 30sec chunks (fairly exact chunks, no frame loss between chunks) Transcoded to html 5 compatible ...
1
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0answers
89 views

error while merging videos with ffmpeg

I am trying to concat videos with different resolutions using ffmpeg and I am encountering this error shown below while that the video resizes when playing the videos I merge them using ffmpeg with ...
3
votes
1answer
704 views

Downmix from 5.1 Surround to two channel stereo using avconv

I have a .wmv with the audio codec of wmapro, which my target video player chokes on. I am generally in the process to "standardise" my collection to x264/aac (as this works fine on all my devices), ...
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2answers
781 views

ffmpeg says “Unknown encoder 'mp3'”

ffmpeg version 1.1.3 Copyright (c) 2000-2013 the FFmpeg developers built on Feb 25 2013 23:22:43 with gcc 4.1.2 (GCC) 20080704 (Red Hat 4.1.2-44) configuration: --enable-static --disable-ffplay ...
2
votes
1answer
1k views

get avi file with codec UMSV to play in vlc, or convert with ffmpeg

I have some video from security cameras. The program outputs in avi file extension. I can play the file in Kaffeine (openSUSE 12.3) but the file doesn't play in vlc--says it does not play files with ...
1
vote
1answer
597 views

Use ffmpeg to extract parts of video [duplicate]

I'm thinking of extracting the "best" parts of my home video files. Why? Because my videos has a lot uninteresting footage that I don't need wasting disk space. I thought I'd use -ss and -t to ...
1
vote
2answers
366 views

Which codecs are supported by ffmpeg libraries in system?

I have Linux server/workstation box which had ffmpeg compilled for it some time ago. Now one type of library for internet communication does not seem to work on one of the endpoints. I think that real ...
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0answers
53 views

ffmpeg invalid DTS after concatenating OGG files

I concat two files (ffmpeg version N-56125-gb4e1630 Copyright (c) 2000-2013, Windows 7 x64): ffmpeg -i "concat:file1.ogg|file2.ogg" -c copy result.ogg if I try to convert result.ogg to flac ffmpeg ...