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

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74
votes
4answers
17k views

What is a Codec (e.g. DivX?), and how does it differ from a File Format (e.g. MPG)?

I'm so confused... what is the difference between an audio/video codec (which apparently is a shorthand for "encoder/decoder", kind of like how "modem" is really "modulator/demodulator") and an audio/...
9
votes
2answers
10k views

What parameters should I be looking at to reduce the size of a .MOV file?

My Canon 60D creates .MOV files when recording video and I've found out that the .MOV container has an H264 video stream and a PCM audio stream. I've used ffmpeg and GSpot to look at some of my ...
11
votes
2answers
9k views

crossfade between 2 videos using ffmpeg

I've been trying to achieve a crossfade transition between 2 video clips using ffmpeg but have failed so far. I'm new to ffmpeg and am mostly relying on tweaking what I can find in the documentation ...
129
votes
5answers
149k 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 ...
39
votes
8answers
163k views

How can I merge two mp4 files without losing quality?

I have two high-quality mp4 files, which are of two parts of the same show. I want to merge them together into 1 file, and I usually use VirtualDub to merge my files... But it doesn't seem to support ...
11
votes
7answers
56k views

What subtitle file editor for '.srt' files supports synchronization? [closed]

I downloaded .srt files for watching a French movie. But unfortunately, it is out of sync. Is there any tool in Windows using which I could manually sync it specifying the start time?
4
votes
2answers
5k views

Create video with 5 images with fadeIn/out effect in ffmpeg

With 5 images I have to create a video of 60 seconds in ffmpeg, each image has to display for 15 seconds. after 15 seconds, first image has to fade out and 2nd image has to fade in, after that 2nd ...
4
votes
1answer
6k views

How to soft code an MKV with subtitles?

I have an avi and corresponding .srt file for subtitles. I hate having two files for this movie, so what I want to do is convert this file to mkv as I heard it can hold subtitles. I have handbrake ...
5
votes
7answers
244k views

What format is “undf”?

By accident, I recently removed some videos from my phone. I tried to restoring them with Recuva and TuneUp Utilities and the results were "undf" files. I tried to open with VLC, Media Player Classic ...
0
votes
3answers
2k views

Convert video into format which is most likely playable on a windows system

I have some flv and mp4 videos, which I need to convert to a format which is playable on an a Windows Vista system (for a presentation). The problem is, that I cannot test the videos on the system on ...
39
votes
8answers
66k views

How to convert video to images?

How can I convert a video file to a sequence of images, for example one frame every N seconds. Can mplayer or ffmpeg do this? I have used MPlayer to grab screenshots manually but I would like to ...
7
votes
4answers
4k views

Automatically split large .mov video files into smaller files at black frames (scene changes)?

I have 65 .mov video files named tape_01.mov, tape_02.mov, ..., tape_65.mov. Each is about 2.5 hours long and takes up many gigabytes. They are digital copies of what were VHS tapes (my family's "...
7
votes
1answer
2k views

FFmpeg - Apply blur over face

I'm trying to blur a portion of a video using FFmpeg (specifically to blur a face). I have been trying to use a combination of timeline editing and the various bluring filters, but I cannot find a ...
1
vote
1answer
1k views

Ffmpeg add new audio in video (mixing 2 audio)

I want to add an audio to video at specific duration. Now before/after that intended duration, original audio of the video should be playing; and at the intended duration only inserted audio should ...
4
votes
1answer
837 views

Is it possible to RDP into Windows Server 2008 on a machine without any video card or integrated graphics?

Basically, I plan to install Windows Server 2008 R2 x64 on a machine by plugging in the video card initially and then I plan to remove it completely because I need the slot for something else. The ...
2
votes
7answers
868 views

Free video converter software for Mac? [closed]

I'm using Mac OS X 10.5 and am looking for a free video converter software which supports mp4, avi, and wmv files (and perhaps rmvb, too). I want to convert avi, wmv, and rmvb files to mp4 to be able ...
82
votes
6answers
30k views

What are the differences of watching a 1080p and a 720p version of the same media on a 720p screen?

Say I have 1280x720 pixels on my screen and the current resolution is set to 1280x720 as well. What are the differences between the 1080p version and the 720p version of the same media? Is it ...
25
votes
3answers
57k views

How to open and repair an m4v or mp4 video file?

Yesterday I was filming a scene with my phone but suddenly the application crashed and when I try to open the m4v generated it says that is corrupted. I have downloaded the video files (around 36MB) ...
7
votes
4answers
12k views

How can I download a Flash video from a website?

I am trying to download a Flash video, so I can try to convert it to a normal DVD. (FYI: this is a religious video.) Is it possible to download this video? If so, how could I do this?
5
votes
2answers
10k views

Convert old videos to have smaller sizes

I have some videos from a few years ago,with various formats, such as avi, mpg, wmv, rm, rmvb, .... Their sizes are huge(more than 500 MB, and sometimes > 1GB). Given there may likely be some ...
2
votes
1answer
404 views

Upscaling video with different filter on each side

I need scale up video from one DOS game using FFmpeg. But with Nearest-neighbor interpolation on left side and xBR filter on the other one. Input (320x200) Output (1280x800) Here is a command, ...
2
votes
2answers
1k views

How to convert SWF to uncompressed AVI?

Can someone explain how to convert .SWF files to uncompressed .AVI files. Which software I'd need or a tutorial I could use?
36
votes
7answers
225k views

How to find the stream behind a Flash player

I am watching a Flash stream. I can watch the same stream in two different players (set up by someone else), but I don't like any of them. Is there a way I can find/get/extract the direct link to the ...
29
votes
4answers
45k views

Joining H264 *without* re-encoding

I have two halves of a single show in two .MP4 files, encoded in H264. I would like to join them without re-encoding. Is this possible? I managed to create a joined video as a Quicktime file (.mov) ...
49
votes
6answers
286k views

How do I rotate video (MOV) file on Windows?

I recorded a video (on iPhone) in portrait mode. Now I need to rotate it. Right now I have a MOV file. I'm using Windows. What program can I use to rotate and save this video without losing quality?
14
votes
3answers
32k views

Windows 7 Webcam recording software [closed]

I want to record a video on my webcam on Lenovo T61 powered by Windows 7 Professional. I've noticed it's working differently from Windows XP. Can anyone care to recommend a decent webcam software that ...
12
votes
6answers
28k views

How can I repair a broken AVI file?

I have an .avi file that is about 110mb. When I try to play it with VLC Media Player it says something like "This file is broken. Attempt to repair?" and after it does its thing it is still unable to ...
20
votes
10answers
80k views

How do I convert an animated GIF to a YouTube friendly video format?

My son has made some animations with Pivot Stickfigure Animator which we'd like to upload to YouTube. The problem is Pivot saves as animated GIFs which I can't upload to YouTube. The Wikipedia ...
17
votes
10answers
101k views

Force native resolution to Non-PnP monitor in Windows

I've got a 22-inch, 1680 x 1050 monitor. Brand X2gen, model MW22U. Connected by DVI cable to my NVIDIA GeForce 9600 GT graphics card. Several days ago my monitor stopped working. It displayed ...
11
votes
3answers
7k views

Disable thumbnails in Windows XP?

Background I regularly use Windows Explorer to browse my drives and data, and I notice little freezes and hiccups at times. It's especially noticeable when browsing local or network folders with lots ...
9
votes
6answers
31k views

Secure video chat program as an alternative to Skype [closed]

I'm looking for something similar to skype but basically just for me to video chat with my girlfriend. Skype has been kind of buggy lately with its recent iterations and doesn't seem to be progressing ...
5
votes
7answers
3k views

high pitched whine from newly built PC

I've just built a new PC: Asus P6T Deluxe v2 motherboard i7 920 Sapphire HD 4670 Passive heatsink Corsair 620hx portal supply Antec P183 case Sometimes when I turn it on, there is a high pitched "...
4
votes
2answers
480 views

Windows freeware/opensource video editor [closed]

I've googled and googled and googled, but I can't find a decent FREE windows video editor. Does anybody know one?
7
votes
1answer
1k views

Is it possible to power off a PCIe video card/slot? (eg. hot-plug)

I'm looking at building a system that supports VT-d so I can pass through a high powered loud video card to a Xen/KVM/whatever VM (host will be Linux based). However, when I'm not using the VM I want ...
2
votes
3answers
1k views

What do I need to be able to convert analog video (VHS, or an old camcorder) on a Mac?

I have a number of old VHS tapes, as well as some analog 8mm tapes. I still have a working VCR, as well as the camcorder that recorded the tapes. I'd like to convert these on a Mac (MacBook Pro) - ...
3
votes
1answer
2k views

Encode HD video to a good format for editing

I have a video that I would like to edit, but it's currently a mov (H.264) file, which makes frame by frame editing impossible. So, I'd like to re-encode it to a better format. I read that DV is a ...
2
votes
2answers
1k views

Limit video output to a section of a display and leave the rest blank

The video projector I have to use this week projects an image too large for its screen and spills over on every side. Fixing the physical setup is not possible or at least unlikely for the moment: ...
2
votes
1answer
31k views

How to remove title and other metadata from video files? [duplicate]

I have problem sorting videos in VLC because it is using the metadata title to sort them, but they all have the same title. Which is why I want to remove all metadata, especially titles. How can I ...
1
vote
3answers
251 views

Live Video on website, conferencing

A friend of mine, an author, wants to do on-line book readings. We have a very simple setup and would like to stream live Video through her web site. Her client PC runs on Windows XP, has a standard ...
0
votes
3answers
743 views

Is there a license / royalty free DRM available for protecting and distributing content? [closed]

Is there a license / royalty free DRM available for protecting and distributing video content?
48
votes
16answers
115k views

How can I combine 30,000 images into a timelapse movie?

I have taken 30,000 still images that I want to combine into a timelapse movie. I have tried QuickTime Pro, TimeLapse 3, and Windows Movie Maker, but with such a huge amount of images, each of the ...
18
votes
3answers
20k views

How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG

How can I create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG? I used this command to convert an input.avi file to a series of PNG frames: ffmpeg -y -i input.avi -an -...
15
votes
3answers
35k views

Only 360p on Youtube with HTML5

I recently read that Firefox improved it's HTML5 video support, so I thought I gave it a go again, because I am not a fan of Flash. It works fairly well, but unfortunately the videos are limited to ...
18
votes
2answers
188k views

Cropping videos in Windows Live Movie Maker

I want to crop (as in, take a subset of each frame, like when you crop a photo) a video in Windows Live Movie maker. Is there a way to do this, and failing that is there another free tool i can use to ...
16
votes
6answers
69k views

How can I monitor video memory usage?

How can I monitor video memory usage?
7
votes
5answers
4k views

Synced audio ouput on multiple machines? VLC? hardware solutions?

I'm wondering if there is any software or hardware solutions to synced audio or audio and video across multiple computers or devices on a network. I've seen Sonos, and it might be a good solution, ...
13
votes
5answers
22k views

How can I obtain the bitrate of a video from a command line in Linux?

What is a good command line tool to get the video bitrate of a divx or xvid avi file for linux?
11
votes
6answers
88k views

Tool to fix video that's out of sync with audio?

I'm looking for (preferably free) software for Windows 7 that will allow me to fix an AVI file that has audio out of sync with the video. I tried with Windows Live Movie Maker and VirtualDub and ...
7
votes
4answers
13k views

Linux DLNA Server

I have just recently set up a DLNA server on my GNU/Linux desktop at home. I am using PS3 Media Server to do the job. I like it a lot so far, but I was curious about whether or not it is the best ...
7
votes
1answer
23k views

How to amplify the audio in a video file? [duplicate]

Possible Duplicate: How to increase the volume for an avi file What is the simplest way I can amplify the audio in a video file (.avi, .mpg, .flv, etc)? I transfer these videos and watch them ...