Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.

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0
votes
1answer
81 views

Make ffmpeg loop video indefinitely while streaming

Is it possible to make ffmpeg loop an input file infinite times copying its video and audio and streaming it to a RTMP server (nginx with rtmp module). I am trying to create an animated video which ...
0
votes
0answers
20 views

How do you create a crossfade transition between multiple videos in FFMPEG?

I am currently looping MP4 videos with audio through FFMPEG. Here is the code del intermediate1.ts del f.txt echo file intermediate1.ts>f.txt echo file intermediate1.ts>>f.txt echo file ...
1
vote
0answers
34 views

What ffmpeg settings to get the best possible video resolution/framerate that my webcam is capable of?

I want to record the best possible video file (in terms of resolution/framerate/colors) from my webcam. Right now I am using this command: ffmpeg -f v4l2 -framerate 25 -video_size 640x480 -i ...
0
votes
0answers
15 views

FFMpeg Convert FLV to ISML at 30 Frames per second

I'm currently trying to convert a FLV into a ISML but for some reason the duration of the video does not show, nor do the frame rates or bitrate But the video does play, just crashes at the end of it ...
0
votes
0answers
38 views

How to redirect video subtitles to pipe?

I am watching subtitled videos. I would like the subtitles to be sent to a pipe instead of being displayed on the video. The aim is to process the subtitle data with some other software, like sed, in ...
100
votes
5answers
121k views

Using ffmpeg to cut up video

I am using ffmpeg to cut out a section of a large file like this: ffmpeg -i input.wmv -ss 60 -t 60 -acodec copy -vcodec copy output.wmv The -ss part works fine but the -t is ignored. It correctly ...
0
votes
0answers
37 views

ffmpeg image to video w/ colorchannelmixer

We are trying to input a single image and convert to a 5 second video with colorchannelmixer applied. The process runs without errors but the .mp4 video is corrupt. The process works if output to a ...
0
votes
0answers
23 views

Quality loss in ffdshow deinterlacing settings

I have been using ffdshow and haali media splitter aka matroska splitter as video codecs in order to export video in Ableton Live. However, external configuration of ffdshow is required. There are ...
1
vote
0answers
20 views

How to download skype video message from the cloud?

I need to forward a video message from a contact to another contact. Skype (v. 7.14.85.106) gives me this link which opens in a browser window. After examining the streams through Chrome's network ...
3
votes
1answer
152 views

Get mplayer to display current time in hours and minutes

By default mplayer displays the current location in the video in seconds, which is less than useless. Example: A:4086.2 V:4086.2 A-V: 0.000 ct: 0.039 0/ 0 17% 2% 2.1% 3 0 ^--------^----- ...
0
votes
1answer
48 views

How to cut video files by frame

Does anyone know of a software that could be installed/compiled for linux that is able to cut video by the frame? Thanks.
0
votes
0answers
17 views

FFmpeg dropping frames of second input file while using concat

I am currently trying to take a video file and split it into pieces that can then be encoded and pieced back together later. As a test I am trying to split a video into two pieces and then stitching ...
1
vote
0answers
24 views

Change video metadata

I have downloaded some videos that contain title metadata, which contains rubbish text. This unfortunately causes vlc to display the title metadata when the video is played, instead of the file name. ...
0
votes
1answer
36 views

Adding time stamp on frames captured using ffmpeg

I am trying to capture frames using FFmpeg and add current time stamp on to it. Below code is working fine for a linux PC : ffmpeg -i input -vf "drawtext=fontfile=/usr/share/fonts/TTF/Vera.ttf: ...
2
votes
2answers
376 views

Automated conversion of .dvdmedia(VOBs) to format Plex can handle on a Mac?

I'm super impressed by Plex, and I'd like to convert all my old dvdmedia files into a format that it can understand. I have quite a few of them (the product of a dvd library being ripped to work with ...
1
vote
1answer
32 views

Record fragments of 10 seconds using FFMPEG and DSHOW from webcam

I am a beginner of FFMPEG. I solved to record my webcam 10 seconds. I need to make recordings of 10 seconds each and I don't know how can I do this. ffmpeg -f dshow -video_size 640x360 -framerate 15 ...
1
vote
2answers
25 views

Command line way to flatten a multi-channel-audio .Mov into a single-channel-audio .Mov?

Caveat: I'm not very familiar with audio codecs and terminology, so it could be that I'm not using the correct words to describe what I want to do. I've attempted to make that clear. I'm using ...
0
votes
1answer
159 views

How can I play old Final Cut Pro .mov files? (VLC only plays the audio.)

A few years ago, I exported some .mov files from Final Cut Pro on my old Mac Pro. I am positive that I made them self-contained files, so they didn't need to reference the original footage. I backed ...
3
votes
1answer
30 views

Loop/Batch file for extracting all .aac from .m4a files in folder

I'm desperate. I need to extract the .aac stream from ~1749 .m4a files with ffmpeg, but I can't get a batch file working for me and it would take years to do it manually. This is what I use for ...
3
votes
1answer
71 views

Record a time-lapse screen-capture directly in ffmpeg

Can I use ffmpeg to record my Xorg desktop (without audio) at one frame a second into a video file that will play back the frames at 30 frames per second without requiring a conversion process? The ...
1
vote
1answer
158 views

Improve performance desktop recording using gstreamer

How can I improve the performance of a desktop recording using gstreamer with integrated webcam stream? I tried the pipeline below, and it works, but the performance is very bad. Records only a ...
1
vote
0answers
59 views

How to download video streamed in chunks? [closed]

I have this series (which is freely distributed online) and I want to have a DVD recorded with the chapters. I'm trying to download the video but since it's in chunks, I'm having problems to get the ...
0
votes
0answers
12 views

SyncMaster 971p Connection Issue

I acquired a 2007 Samsung SyncMaster 971p, and have been trying to connect it to my computer. My laptop only has a HDMI port, and the monitor a DVI one, so I bought a HDMI-DVI cable thinking it would ...
0
votes
1answer
21 views

How can I set preferred software to opening video files on *buntu?

Can you please help me out on how to set a software on *buntu to be the only one to automatically open when double clicking in any kind of video file? PS: I know how to do it normally. I faced a ...
0
votes
1answer
58 views

FFmpeg - Overlay filter. Possible to set eof_action to “pass” through longest file?

I'm trying to overlay 2 files with the FFmpeg overlay filter side by side. The files contain different durations. I've played around with the various eof_actions and other settings from the FFmpeg ...
1
vote
0answers
157 views

Motion RTSP streaming from Raspberry Pi

I'm trying to get streaming from raspberry pi camera to my motion server. Raspberry pi (10.10.84.2) has VLC for RTSP and is run like this: raspivid -o - -t 0 |cvlc -vvv stream:///dev/stdin --sout ...
0
votes
2answers
21 views

Using one prompt input for two different functions

I would like to make a time lapse movie in a specific range. The script is working until it makes the movie. Here the script: read -p "Von welchem Zeitraum soll der Zeitrafferfilm sein? ...
0
votes
0answers
71 views

Adobe Flash videos stop playing after a few seconds

From time to time, all Adobe Flash videos stop playing after a few seconds, on all websites and all browsers (at least Google Chrome, Opera, Firefox, and MSIE). Rebooting the computer solves the ...
0
votes
0answers
28 views

A fast way to convert multiple videos sound from AC3 to AAC without converting video

Is there a way to convert alot of video files from AC3 sound to AAC? I don't want to convert video iteself, video is okay, only the sound. I have alot of videos encoded with H.264 or mpeg4(xvid) and ...
0
votes
0answers
12 views

sony vegas, how to create a clip from a movie?

I have Sony Vegas studio and I want to extract a part of an mp4 video to make a small clip to convert it into webm. I have been playing with the markers, but I have no idea how to extract one part of ...
0
votes
0answers
13 views

Anyway to check ( and repair? ) file corruptions?

How to prevent ( and the causes of it ) will likely be for another questions. But I have checked SMART and Memtest, no problem to be found. But i discovered lots photos on my NAS corrupted ( bottom ...
0
votes
0answers
24 views

Adobe edge animate

I am creating my personal website with edge animate. Everything is great but one thing. I have a video intro before entering the pages on the website. The preloader inside edge animate is assigned to ...
0
votes
1answer
48 views

VLC, El Capitan: Color extraction setting is stuck

Some background: Running VLC on a Macbook Pro with El Capitan, I set a color for "Color Extraction" in the video effects dialog (which you reach by hitting command-E). Now, I can't set it to any ...
0
votes
3answers
212 views

How to record video of screen in Windows 10 without Win+G?

Windows 10 has a feature to record videos, but it does not work if you don't have the proper hardware (which is my case). How can I record videos of my screen (for free)? Basically, I want to play an ...
3
votes
1answer
5k views

Chrome youtube doesn't play/Twitch plays with no sound

I have OS X Yosemite, Chrome version 40.0.2214.115 (64-bit) When I open youtube video it loads but I can't play the video. I didn't download any extensions before youtube stopped working correctly ...
1
vote
0answers
26 views

ffmpeg version 2.8.4 “zoompan” error, didn't occur in 2.6

After upgrading to the latest version of ffmpeg version 2.8.4, I now get an error with the "zoompan" complex filter. This ran fine on an earlier version (2.6). If I remove that particular command the ...
68
votes
6answers
75k views

Can HandBrake flip/rotate a video?

I'd like to use HandBrake to compress some video that was taken via a camera that was mounted upside down. I found a reference to a command-line rotate option, but I can't find it in the GUI. Am I ...
-3
votes
1answer
53 views

Cannot run video on Android devices after converting it with ffmpeg

I am converting video with ffmpeg, but after conversion it does not run on android devices it shows cannot play this video the code for conversion i am using is: exec('D:\wamp\bin\ffmpeg.exe -y -i ...
0
votes
1answer
391 views

Problems with video length when join video file using ffmpeg concat

I have 3 videos: open.avi – 0:46:37.885933 duration middle.avi – 0:02:56.991927 duration fin.avi – 0:02:48.199268 duration I try to concat 3 videos using command: $ ffmpeg -i ...
0
votes
1answer
83 views

ffmpeg mpeg2 to MP4 H264 produces horizontal lines artifacts in motion scenes

My video input is mpeg2 video file as follows: Video: MPEG2 Video 720x576 (4:3) 25fps [V: mpeg2 main, yuv420p, 720x576] Audio: MPEG Audio 48000Hz stereo 224kbps [A: mp2, 48000 Hz, stereo, 224 kb/s] ...
2
votes
2answers
49 views

Why is my sleep mode directly tied into my video card drivers?

I have windows 7 professional installed. I've been using sleep mode for years to turn my computer 'off' and only reboot or actually power down when absolutely necessary. In fact, I even had the 'Shut ...
1
vote
1answer
54 views

OpenSUSE ffmpeg mp4 output

I keep getting the following error when I try to output an mp4 file with ffmpeg on OpenSUSE 42.1: [NULL @ 0x7f2ef400b580] Requested output format 'mp4' is not a suitable output format Is there ...
1
vote
1answer
21 views

Are video encoders installed per-application or system-wide on Windows?

I normally use Linux where, if I want programs to be able to encode video, once libXXXX.so is installed all programs which are aware of it can use it. By comparison, I have witnessed various programs ...
15
votes
6answers
60k views
0
votes
0answers
24 views

Adobe Premiere and Media Encoder randomly can't encode video

I have a mid-range computer setup which I use to do a lot of video editing and 3D rendering. Usually, it works fine, although I can't do 3D rendering (using Blender) on the GPU because there isn't ...
0
votes
1answer
64 views

How do I temporarily disable video output on PotPlayer?

I'm using PotPlayer in workplace. It is allowed for people to listen to an audio file in the background here, but I think it may cause a problem if they see me watching video. Is there a way of ...
0
votes
0answers
26 views

Save mplayer output to file when using libcaca backend

I want to play a video using mplayer -vo caca and then save the resulting video to a file. Is there a way to take that output and save it, or is there another program I can use to get the same ...
0
votes
1answer
98 views

Decoding x265 HEVC more efficiently

I have an old Extreme i7 first generation with 12 threads running a PLEX server. LAtely I've started adding more files compiled using x265 over x264. I noticed that when the system runs a x265 file, ...
2
votes
1answer
22 views

Openshot-created videos have a slight greenish look

I encountered a strange issue in Openshot. Every video I create has a slight greenish look. E.g. that means that pure white #ffffff becomes #f9fff9 in the preview and also in the video output. I am ...
0
votes
2answers
210 views

How to learn about media encoding, decoding, formats, etc [closed]

While engaging in some media processing (ripping DVD to .avi to watch on my laptop), I became interested in all the technicalities I encountered regarding the video and audio encoding etc. What are ...