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

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-2
votes
2answers
93 views

Convert Blu-ray movie to DVD quality [closed]

I have a 30GB .mp4 file (personal full HD movie) which I want to convert to a DVD quality (4.7GB) movie. What is the best way/tool to do that?
0
votes
2answers
104 views

ffmpeg - Create a video from image frame with a start and a cout

I create a video from image frame, and it work great. The problem is that I don't want to use all the image in my folder. I have 200 frames in my folder, but I want a video from 1 to 100 How I can ...
4
votes
2answers
290 views

Does PAL has any resolution? [closed]

I'm trying to learn about analog video signals like PAL,VGA and S-video. I recently read about PAL signal It says Each PAL frame consist of 625 lines, 25 frames per second However It says ...
0
votes
0answers
90 views

how ffmpeg calculates the duration?

I have a .vob file which is a part of video from DVD. When I play it in a player it has 1 min 50 sec. I would like to extract the frames in one second (or x second). ffmpeg -i VTS_02_7.VOB -r 1 -f ...
0
votes
1answer
162 views

Windows 8.1 a lot of programs stopped responding

I am using windows 8.1, and I cant play any video's? I have tried opening the video with: Windows media player, standard windows video app(in windows 8), and VLC player. Also, when I am starting amd ...
3
votes
1answer
201 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 ...
0
votes
0answers
215 views

Getting an audio file from a streaming PHP script in an HTML5 video tag

I'm trying to download the raw audio file from a specific site. The page contains the following HTML: <html> <body> <video controls="" autoplay="" name="media"> ...
2
votes
1answer
145 views

How to use slow motion effect in a specific time interval with ffmpeg

I'm trying to use slow motion effect on my videos. Let's say I have a 2 minutes long video and I want to use this effect between 20 and 30 seconds. I found this command from a blog: ffmpeg -i ...
1
vote
0answers
73 views

Join AVI and WMV into an AVI

I have a WMV files and two AVI files I need to concatenate into one video file as an AVI file. What the quickest and easiest way to do this on OSX?
2
votes
0answers
76 views

streaming video to the internet

I want to stream my webcam live over the internet. It is mounted on a windows 7 desktop and connects to the internet over an ADSL connection. I am able to stream successfully within my home/office LAN ...
1
vote
1answer
144 views

pasting audio from one video file to another with a known time offset

I have two video files that also have audio tracks. I would like to copy the audio track of one file to the other with a 5000msec time offset. The only problem is that the video files does not have ...
0
votes
0answers
47 views

JSP Wiki on Windows 7 - Play WMV videos

I have configured JSP Wiki with Tomcat 7 on Windows 7 machine. I have few videos on my wiki pages which resides in the Webapps folder of tomcat. I can access web application and see the pages. But i ...
0
votes
1answer
73 views

Append audio file to videos

I have the following files: 01.mp4 G:\>ffmpeg -i 01.mp4 Input #0, mov,mp4,m4a,3gp,3g2,mj2, from '01.mp4': Metadata: major_brand : isom minor_version : 512 compatible_brands: ...
1
vote
0answers
665 views

How to redirect YouTube's videos URL (googlevideo.com) from http to https automatically?

I want to redirect http urls in youtube videos to https. youtube's videos are from googlevideo.com so I want to use https instead of http http://r8---sn-qxau5-btqs.googlevideo.com... to ...
1
vote
1answer
103 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 ...
0
votes
1answer
77 views

Cutting videos with ffmpeg : length not accurate

I was trying to cut a 5 second longer sengment from a video test.wmv (10 minutes length) starting from 00:03:00 position. So I used the following ffmpeg command. ffmpeg -ss 00:03:00 -t 00:00:05 -i ...
2
votes
1answer
124 views

How to play a soundless video and add a audio file at the same time?

I have a folder with a MP3 audio file and an video file. Both named the same. Example.mp3 Example.mp4 I want to play the video and add the sound. Both files should stay the same and I do not want ...
-1
votes
3answers
757 views

How can I pipe data losslessly to and from FFmpeg?

I piped a stream from one instance of FFmpeg to another, but because compression was used on the intermediate stream the final result was ugly. I need a lossless pipe to prevent this, and I want it to ...
0
votes
2answers
351 views

Zoom video using ffmpeg commands

Is it possible to zoom a video and save it using ffmpeg commands? I searched a lot but I did not find any solution.
0
votes
1answer
83 views

Radeon 5450 crashes when running streaming video via HDMI

So I have a box that's been working fine for months, with a Radeon 5450 video card running a standard small monitor via VGA. Just bought my first-ever HDMI-capable TV, and plugging the HDMI cable into ...
0
votes
0answers
18 views

Windows 7 - People Sounds are muted

So this is a first for me, I am a programmer at a company and I was presented with a A/V problem. A conference room with ceiling mics in not outputting audio from people in videos, but it outputs ...
0
votes
1answer
105 views

How can i display a video/DVD with subtitles on a video projector using VLC player?

I am using the VLC player to watch DVDs on a notebook. Subtitles are shown in the video ON THE NOTEBOOK, but using my Dell video projector to display the video i see the video but no subtitles at all. ...
0
votes
1answer
75 views

Will a cable HDMI to M1-DA work?

My laptop (Dell XPS l502x) has only HDMI. And a couple of days ago I bought an used projector, without cables. It was said it accept DVI, so before it arrive I bought an HDMI to DVI cable, but when it ...
0
votes
0answers
160 views

Monitor doesn't work with desktop PC. Works fine with laptop. Components seems to be fine

Recently i built new system from following components: MSI 760GMA-P34 (FX) mobo, AMD FX-4300 4-Core FX Series, 2GB Gigabyte GT 640 HD Series video card, 2 x 8 GB DDR3 Patriot (plugged in only one ...
0
votes
0answers
86 views

Creating a movie from images using ffmpeg but getting only one frame

I read How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG (specifically the section "Compressed RGB, But Also Lossless") and used this command: ffmpeg -i *.png ...
0
votes
0answers
16 views

Play video with a clickable rolling transcript on the side

I've noticed that EdX has this functionality in their courses. I find it very useful, as it allows me to quickly skim through the transcript and click where the interesting part begins, which forwards ...
4
votes
1answer
137 views

How can I play audio and video streaming?

I've seen couple of sites that stream audio to my browser like SoundCloud and Grooveshark, but Firefox doesn't reproduce them in Linux. How can I reproduce these streams? The console gets filled with ...
2
votes
2answers
124 views

FFMPEG add audio track while converting video formats

Background I need to convert AVI files to H264 (MP4). I am successfully doing so with the following: -i mymovie.avi -c:v libx264 -crf 19 -preset slow -c:a libfaac -pix_fmt yuv420p -f mp4 -b:a 192k ...
0
votes
1answer
332 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
25 views

Movies played from a PC not centered on the TV screen

I have a NVIDIA GE force 210 1 GB DDR3 video card connected to my Samsung LED TV for watching movies (via a HDMI cable). The image and sound of the PC Desktop on the TV are great but when I play ...
0
votes
2answers
263 views

M3U8 hangs after a few seconds

I have a small experimental clip below : http://d3fnzeq4kk32oq.cloudfront.net/802/test_1.m3u8 The problem I am facing is that after a few seconds, the video hangs. I would appreciate if someone is ...
0
votes
0answers
68 views

Frozen video in Chrome after converting from flv to mp4 by ffmpg

I recently converted my flv video to mp4 by ffmpeg with libx264 encoder (H264 codec): ffmpeg -i video.flv -vcodec libx264 -preset ultrafast -profile:v baseline -level 3.0 -movflags +faststart ...
0
votes
1answer
54 views

Webcam driver that uses an image or video file as the video source

Does anyone know of software that is recognized as a webcam/video device in Windows and lets you pick an image (JPEG, etc) or video (MPEG/AVI) as the video source? Idea being that you could do ...
1
vote
1answer
868 views

Why have embedded YouTube videos stopped working in Google Chrome?

Yesterday I could watch videos at the Khan Academy site, today they don't work. Instead of the video I get a black screen with a link to "Get Adobe Flash player". Clicking the link takes me to a page ...
0
votes
0answers
56 views

Display becomes messed up at 16bit

I'm trying to play Planescape Torment on my Windows install on a MacBook Pro. The colors in the entire game are garbled and messed up. The problem is the color palette. In fact, the color palette on ...
0
votes
0answers
93 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 ...
0
votes
0answers
26 views

Mencoder Compressor data file not found

I'm converting a WMV file to FLV VP6 with mencoder and ffmpeg. My commands: mencoder input.wmv -ovc vfw -vf flip,scale=680:512 -ofps 30 -xvfwopts codec=vp6vfw.dll -oac mp3lame -o output.avi ffmpeg -i ...
2
votes
1answer
447 views

Processing YouTube video in ffmpeg

I'm using ffmpeg for taking screenshots from video. Is it possible to take screenshots from YouTube video without downloading video to hard drive?
2
votes
3answers
515 views

YouTube consistently messes up my video's quality

I'm having trouble encoding a video for YouTube. The content isn't very "compression-friendly" (it's Battlefield 4 gameplay footage), but I'm 100% positive the results could be better. Some links: ...
0
votes
2answers
140 views

how to watch / convert cctv footage with apparently no extension on it?

someone brought me a footage from a cctv (regarding some minor robbery) and is asking me to show him the thief, all I have is a ~1 GB file with no extension, and a windows software (apparently came ...
0
votes
0answers
140 views

How do you open a .g64 video surveillance file?

I believe the files come from devices made by a company called Genetec. Thanks!
0
votes
0answers
158 views

Understanding avconv console output

I'm using avconv to broadcast a video on justin.tv from my Raspberry Pi. I get it (weakly) working a very few times. Most of the times justin.tv is not being updated and says "disconnected". The ...
1
vote
1answer
379 views

skipping part of a video

Is there any vlc setting or extension that can be used to skip predefined part of a video. or may be some hack like hex editing the video file and filling that specific part with random bits. ( I ...
0
votes
0answers
405 views

Android SIP / VoIP with doorbell: View video before answering

I am currently using the 2N Helios IP Vario doorbell device. It can be used via SIP protocol, but can also communicate with the 2N Android app directly, without an additional server, which I would ...
0
votes
2answers
40 views

Installing OS on VIDEO hard disks

This is a dumb question since they name these in a confusing way. I am trying to build an surveillance application in Debian platform. Since HDD are categorized in Seagate site like this: Laptop ...
0
votes
1answer
70 views

is the HP 4510s dedicated video card removable?

Does anyone know if the dedicated video card of an HP 4510s laptop can be replaced? The long story is: I have an HP 4510s laptop with an ATI Radeon HD4330 video card, and recently it had shut down ...
1
vote
1answer
322 views

Extract HEVC bitstream with ffmpeg

I would like to extract the raw .265 bitstream from HEVC mkv file. I use this: ffmpeg.exe -i hevc.mkv -an -vcodec copy -f hevc bitstream.265 I got this error: Requested output format 'hevc' ...
0
votes
0answers
37 views

Is there a UPnP A/V ControlPoint for linux?

I have gmrender-resurrect on a machine that's connected to an amplifier. I can control it with my mobilphone with Helium But i can't find an A/V control point for linux. Does anybody know a control ...
0
votes
0answers
108 views

using avconv to convert rbga image sequence into video while preserving alpha chanel

Is there any way to use "avconv" to convert a sequence of png images with alpha channel into a video and preserving the alpha channel? $ avconv -f image2 -framerate 60 -i img_%5d.png -r 29 foo.mp4 ...
1
vote
0answers
38 views

How do I get Windows 7 Explorer to respect the iOS rotate flag in photos and videos?

When I copy the photos/videos off an iOS device onto my Windows box, some of them are upside down, when viewed in the Explorer. I imagine that is because Explorer doesn't respect the Rotate flag in ...