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

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12
votes
1answer
21k views

Converting video from 1080p to 720p with smallest qualiti loss using ffmpeg

I stack with my high quality movie: 1080p with 60fps. The trouble is lags while playing. I tried to convert it to 720p with ffmpeg: ffmpeg -i MyMovie.mkv -r 60 -s hd720 MyMovie_720p.mkv But I ...
12
votes
7answers
13k views

How can I open VLC multiple times?

In my particular case on a Mac, I would like to dump several parallel Flash video streams. So the question is, how can I run several instances of VLC?
12
votes
5answers
27k 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 ...
12
votes
1answer
60k views

Use Media Player Classic to resynchronize subtitles?

I see that in Media Player Classic, under View - Subresync, there is a tool that should serve to resynchronize subtitles. What is the procedure exactly?
12
votes
4answers
86k views

How to perfectly synchronize Subtitles with movie?

How to perfectly synchronize Subtitles with movie? i use VLC
12
votes
4answers
20k views

How to strip audio streams from an MKV file?

I've been trying to remove unneeded audio streams from an MKV (Matroska) file. The reason why I want to do this is to avoid having to manually select the wanted stream in Windows Media Player. The ...
11
votes
5answers
37k views

Can dual monitors make my PC slower?

I've noticed my PC (win-xp) seems to be running slower. (e.g., I'm getting jitter when watching video) Recently, I upgraded a monitor (larger) and expanded the size of the desktop to take advantage ...
11
votes
4answers
5k views

Speedup a Video on linux

I dont want to use player like vlc to speedup the playback. I want to actually speedup playback in the original file. Its like I want video to be played 2 times faster.
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 ...
11
votes
2answers
884 views

Playing large video files over wireless network. What technical specification should I look for when buying wireless router?

I have a Windows 7 desktop with a folder shared out joined to a wireless network. I regularly use my Android tablet (also joined to the same wireless network) to play video files that ranged from 1GB ...
11
votes
2answers
4k views

Extracting all the still images from a movie [closed]

I have a large number of paper sheets to scan. Instead of an autofeed or flatbed scanner, I'd like to use my photo camera. After a while, it occurred to me that instead of making a photo for each ...
11
votes
6answers
85k 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 ...
11
votes
2answers
1k views

Windows cannot enter very low-res video mode with modern graphics cards/drivers

NEW! I was trying to post here yesterday, but it kept giving me an error. I have discovered that it actually is not using DirectX at all, but GDI or whatever is the non-DX graphics in Windows (not ...
11
votes
3answers
34k views

How to play HD videos in low resolution, faster

I have a 1080p video and I want to play it in a medium configured PC running Windows XP. Since the system don't have much resources, the videos sometimes used to stall, or play in a slow motion. Is ...
11
votes
1answer
3k views

Why will some YouTube videos not load in any browser on my system?

For an estimated 20% of all YouTube videos I try to watch on one of my computers, I cannot get them to buffer at all. I will get the loading spinner, until about a minute later the player will say ...
10
votes
8answers
32k views

Keep Fullscreen Flash/Silverlight Video opened on Monitor 2

Like many of you, I'm working with two monitors. I'm trying to watch an episode on Channel9's vid-cast, but every time I click back onto my other monitor, the video exits fullscreen-mode, and goes ...
10
votes
3answers
5k views

Intranet video-streaming

What's a good option for home-video-streaming? For example, somebody may use a laptop webcam to stream their baby's crib allowing them to monitor it from the main home PC. In this case, I wouldn't ...
10
votes
3answers
25k views

How to stream multiple files on demand in VLC?

Is there any way at all that I can set up VLC on a server PC in such a way that I can access a list of all my videos from another PC, and pick one to be streamed on demand? I've been pointed at this ...
10
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?
10
votes
3answers
12k views

Is it possible to use ffmpeg to trim off X seconds from the beginning of a video with an unspecified length?

I need to trim the just the first 1 or 2 seconds off of a series of FLV recordings of varying, unspecified lengths. I've found plenty of resources for extracting a specified duration from a video ...
10
votes
1answer
16k views

Repairing corrupt MP4

I took a video from my Android phone (Sony Xperia P, if you need to know), and before I could stop recording it, the phone memory got full and the phone got hanged too. I rebooted the phone, the video ...
10
votes
1answer
12k views

Possible to rotate video (.MOV/H.264/AVC) losslessly?

The iPhone (3GS, 4, 4S, etc) often records video upside-down but then includes metadata about the rotation inside the MOV container. However, many applications (XBMC, VLC, Windows Media Player) do ...
10
votes
1answer
2k views

Mouse Cursor Occasionally Looks Wonky

My computer has three video cards, six monitors, and (believe it or not) a mouse. Generally, all six outputs display the correct mouse cursor. Occasionally, the outputs on a random video card will ...
9
votes
10answers
41k views

How do I embed video in PowerPoint with relative paths?

I'm using PowerPoint 2003. Does anyone know how to embed a video in a PowerPoint presentation in such a way that it can be moved to another computer? Possible solutions I'm considering: Actually ...
9
votes
8answers
16k views

Dual monitors and flash movie to stay maximized on one of them

I have recently assembled a dual monitor setup. I often watch live.twit.tv in my browser and I would like to run it maximized while I do other stuff on second screen, but when I click on a desktop ...
9
votes
2answers
9k 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 ...
9
votes
2answers
12k views

How does bitrate differ for the same resolution and framerate?

Reading about video quality I found that it depends of resolution, frames per second and bitrate, which decides the size of the video. My question is how the bitrate is calculated and how it can ...
9
votes
2answers
7k views

Drop every even or odd frames using FFmpeg?

Is there an accurate way to take raw video and extract from it a new video that contains only odd frames or even frames (by choice)? For example: I have "blah.yuv" with 400 frames (0-399). I want to ...
9
votes
2answers
7k views

What is the CORRECT way to fix keyframes in FFMPEG for DASH?

When conditioning a stream for DASH playback, random access points must be at the exact same source stream time in all streams. The usual way to do this is to force a fixed frame rate and fixed GOP ...
9
votes
4answers
10k views

How to convert 1080@50i -> 720@50p using ffmpeg?

I really like 50fps video, but I cannot make ffmpeg convert it to 50fps for me. 720p resolution is absolutely fine with me, just need more FPS. 50i just looks much smoother in proper players (for ...
9
votes
2answers
343 views

General guidelines / workflow to convert or transfer video “professionally”?

I'm an IT "professional" who sometimes has to deal with small video conversion / video cutting projects, and I'd like to learn "the right way" to do this. Every time I search Google, there's always a ...
9
votes
2answers
488 views

Cannot concatenate videos ffmpeg

I have a bitmap that I would like to concatenate to the front of many videos as a sort of title screen or disclaimer screen. I try to turn it into a video with the same attributes as the rest of the ...
8
votes
7answers
36k views

Rotate a MP4 file, while preserving codec and quality attributes

I need to rotate a MP4 video by 90 degrees. There is software like Free Video Flip and Rotate available that does this but produces an AVI file. Do you have any suggestions for a software to produce ...
8
votes
4answers
370 views

What is the easiest way to convert MPEG video to FLV format?

I have MPEG video (.mpg) that I would like to convert to FLV format for use in Flash players. What is the easiest (idiot-proof) way to do this on a Windows machine?
8
votes
7answers
33k views

How do I find the video stream URL of my security DVR by myself?

I have this 8 channel DVR with the brand "ELEC" that streams video over the network. However, I can only connect to it using iPhone apps called vMyEye, Asee+, and other similar names. I want to use ...
8
votes
3answers
280 views

Video encoding for archival

I would like to archive some home videos (DV). I don't need to save them losslessly, but I would like to encode them in something high-quality. What format is both pretty indistinguishable from the ...
8
votes
2answers
7k views

Can ImageMagick make thumbnails from video?

I'm trying to extract thumbnails from video via ImageMagick. I found some samples from their official site, but it makes GIF, not PNG. I want a solid thumbnail though. Can it create the same output ...
8
votes
2answers
10k views

How to see what command-line options handbrake sends to mencoder

I want to see what command-line options handbrake is sending to mencoder. I looked at the Activity Window and it shows a lot of stuff but not what I'm looking for. How can I find it?
8
votes
1answer
16k views

Add audio to video using ffmpeg

I'm trying to add sound to a video using ffmpeg, but for some reason, when I play the resulting file, it doesn't have any sound. I also tried doing it with an aac audio file, as well as leaving out ...
8
votes
2answers
7k views

YouTube videos black, only audio in Firefox

When I play a YouTube video on my computer, it seems to play fine, but the whole video is black. This happens only when I play the video in Firefox. I'm using Windows 8.1 What I did so far: ...
8
votes
1answer
130k views

How to fix choppy video with VLC player?

When playing most movies in VLC player, the video feed is choppy while the sound is near perfect. Another catch is that this video issue wasn't always a problem. I used to play movies without problem ...
8
votes
2answers
336 views

What kind of video connector is this, if not VGA?

Can anyone identify this connector type? It is nothing I have seen before, and we have one that is converting from this connector to VGA. It needs to be replaced but with no idea what it is exactly. ...
8
votes
2answers
25k views

HTML5 video playback is choppy and corrupted in Firefox

I am only experiencing this issue with Firefox. Other browsers work fine. Here are my specs: Firefox 28.0 Windows 7 Ultimate, 64-bit Intel HD Graphics (driver up-to-date) When I view an HTML5 ...
8
votes
4answers
40k views

How to reset video/display drivers in Vista without restarting OS?

Currently I have to reboot my system if an external monitor is hooked up for it to be correctly detected and used. I think it would be faster to restart/reset the video or display drivers instead. ...
8
votes
3answers
8k views

Add an audio track to an existing MPEG movie (using MEncoder?)

I have an existing MPG (MPEG-1) video file. The video has no sound. I have an audio track (currently in MP3 format, but I could record it in AC3 or some other required format if that's what it will ...
8
votes
5answers
7k views

Capture live streaming

I want to capture a rtmp stream. The videos are live, different every day and usually i cant tune in because i am busy at work doing something :(. I would like to capture the stream however they use ...
8
votes
2answers
6k views

How can I search for videos with specific length or resolution?

I have lost a set of videos on my computer and can't figure out how to search for them. I know they are in 1920x1080 and another is over 3 hours. I would like to use these parameters in a search ...
8
votes
2answers
7k 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 ...
8
votes
5answers
2k views

What is the best way to watch internet movies (Hulu, etc.) on my TV?

I have a TV in a room that can only get wireless access to my home network. Without having to drag one of my PCs into the room, what is the best (cheapest) way to watch online movies?
8
votes
4answers
45k views

How can I capture a video with Windows 7

I am trying to capture a live video from my digital camera using Windows 7. Live Movie maker and Windows Movie maker 2.6 do not have "capture" menu item. Apparently, Windows Movie maker 2.1 has a ...