The video-conversion tag covers software & formats related to converting videos from one format or container to the other.

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19
votes
1answer
7k views

What is the “sameq” or “same_quant” option in FFmpeg? Does it mean “same quality”?

Often, I've seen FFmpeg commands using the sameq option, for example ffmpeg -i input.mp4 -sameq output.avi What does this mean? Does it mean "same quality"? If not, what should I use instead?
15
votes
3answers
12k views

Convert from MOV to MP4 Container format

I have a digital camera that records nice 1080p H.264 format but unfortunately it uses the MOV container format. Basically I have nothing but the camera and VLC that play this format natively. Is ...
15
votes
7answers
1k views

What tool can I use to to rip DVD movies? [closed]

What tool can I use to to rip DVD movies? I have used "Dr. DivX" long back. Is there any better tool to rip DVDs?
11
votes
2answers
41k views

How can I watch a side-by-side 3D video in 2D?

I have a 3D movie (.MKV), with side-by-side 3D, and it works just fine at home. Now I want to see it at my friend's house, and they don't have a 3D system. Is there any way to crop one of the sides ...
9
votes
1answer
34k views

Handbrake settings to convert MKV to MP4 while retaining the original quality

I have a ton of MKV files I need to convert to MP4 and my chosen software is Handbrake. I'm stuck on which settings would be best for the conversion. I want to retain full quality. Do I just convert ...
9
votes
1answer
798 views

converting a static file to a h264/mp4 stream produces sped up video

I'm building a NodeJS application that converts a static videofile to a streamable video which is being sent to a client (iPad or browser) on the fly (using the fluent-ffmpeg module). Everything is ...
8
votes
1answer
18k views

How to extract subtitles from MP4 and MKV movies

I'm trying to extract subtitles from MP4 and MKV movies. I'm using mp4box (on OS X) but cannot figure out how it works. Any hints?
8
votes
2answers
3k views

Lossless extraction of streams from WebM

I would like to extract streams from WebM video files without converting them (re-compression), can somebody recommend any software that can allow this?
7
votes
4answers
350 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?
7
votes
1answer
268 views

How to convert .avi video that has 1 static image in the video (with sound) to mp4 video with ffmpeg to least possible size?

I've an .avi video (divx) that's at 25fps and it has mp3 audio at 64kbit/s. This video has just one image throughout the entire video. I'm trying to convert this video to mp4 but to make it as small ...
6
votes
2answers
6k views

Resizing videos with ffmpeg/avconv to fit into static sized player

I have a html 5 video player which is 700px wide, 400px high. I'm trying to use avconv to use ffmpeg to resize (while retaining the aspect ratio) and making sure it fits into my player. Input can be ...
6
votes
1answer
16k views

Convert AVI to MP4 keeping the same quality

I want to compress an AVI file to MP4 using an h.264 codec. I could not get the same quality. How can I compress it? Original Video: Original Video Screen: FFmpeg console output (ffmpeg -i ...
6
votes
1answer
6k 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?
5
votes
2answers
5k views

How can I mix two movies together before I handbrake them?

How can I mix two movies together before I handbrake them? I've got a two part movie on my disk as a pair of VideoTS folders. I want to generate one output movie. I plan on using handbrake to do the ...
5
votes
2answers
6k views

Converting avi encoded with IMM5 codec

As part of a legal matter, I received a copy of a security video encoded using what appears to be an 'IMM5' codec, apparently often used by police. I also received a copy of 'BackupPlayer', which can ...
4
votes
2answers
6k views

Converting images to video using FFMPEG on Windows

I'm trying to convert a series of JPEG images into a time lapse video. They're in the format IMGP0001.JPG, IMGP0002.JPG, etc. From the looks of things, this should match the pattern IMGP%04.JPG. I've ...
4
votes
2answers
5k views

What's the difference between FFmpeg's “-vcodec copy” and “-sameq”?

What is the difference between using -vcodec copy and -sameq with FFmpeg? Do they do the same thing?
4
votes
2answers
9k views

How to Add/Remove subtitles in an MKV file?

I have a good quality MKV file that has several subtitle options. I want to add an additional subtitle file to the list. Some search online led me to use video converters, and basically re-encode the ...
4
votes
1answer
37 views

When encoding a video, is there a way to know the resulting file size in advance?

Is there a way to know how large your resulting file size will be before your video is finished encoding? BTW: I am using Microsoft Expression Encoder.
4
votes
3answers
2k views

ffplay - how to play together separate video and audio files

So I am able to transcode separate video and audio files into one movie file, like so: ffmpeg -ss 0 -lowres 0 -r 24 -i dcp/picture.mxf -vf "xyz2rgb" -i mov/sound.wav -ac 2 -ab 256k -vb 3000k -t 10 -y ...
4
votes
2answers
5k views

Why is converting WMV to MP4 so slow?

I am trying to convert a video from WMV to MP4 with FFmpeg but it takes couple of hours. If I try to convert it to AVI it only takes about 10-15 minutes. ffmpeg version ffmpeg version ...
4
votes
3answers
205 views

Batch-split many AVIs in 2 parts?

how can I batch split many AVIs into 2 parts, with no conversion? NB: this didn't help much What is the best software to split and join avi files?
4
votes
1answer
9k views

avconv giving error on audio stream

Trying to convert an mkv file to avi: avconv -i 1.mkv ./converted/1.avi Getting this output: avconv version 0.8.1-4:0.8.1-0ubuntu1, Copyright (c) 2000-2011 the Libav developers built on Mar 22 ...
4
votes
3answers
100 views

dividing a video clip by 4 areas

I am working on a program that can playback a video clip in 4 phones. For this I need to supply each phone with a part of the video clip. Lets say I have a 1080p clip and I have 4 phones. Then I want ...
4
votes
2answers
91 views

3000 videos songs… some are loud in voice & some low.. I want to make them equal (equal in volume only)

I have thousands Video flv/avi files, which are all songs only. Some of them are high in volume and some are low. Every time the song ends I have to up or down the volume at once..to escape my ears ...
4
votes
1answer
619 views

What tools should I use to edit H.264 MP4 GoPro videos?

I have recorded videos using a GoPro, which produces MP4 files containing H.264 encoded videos. I would like to do some simple editing tasks on these videos without losing quality:- Cut various ...
4
votes
1answer
1k views

DualLink DVI-D to DisplayPort

I have a Dell 3007WFP monitor which features only DualLink DVI-D for video input. The computer I am trying to connect it to only features VGA, DisplayPort, and SingleLink DVI-D (via a docking ...
4
votes
3answers
4k views

How do I reduce the file size of videos?

I need to reduce the file size of some of my HD videos, since I am running out of storage space. A lower resolution is acceptable, and other methods are welcome. I would prefer a GUI solution, as I am ...
4
votes
1answer
540 views

How to convert 1080p to 1080i video using ffmpeg

I am using ffmpeg, trying to convert 1080p to 1080i. I know that -vf tinterlace should do that, but I don't know the exact syntax of use. Currently I'm trying this: ffmpeg -i <input file.mp4> ...
3
votes
1answer
7k views

How to cut at exact frames using ffmpeg?

I'm trying to use ffmpeg to cut video files at precise times. The ffmpeg help shows an option -timecode_frame_start to specify the starting frame but I am unable to get this command to work. The ...
3
votes
3answers
6k views

VOB conversion quality in FFmpeg

I am trying to convert a VOB file to mpeg like this: ./ffmpeg.exe -i VTS_01_2.VOB -r 24 out1.mpeg However, the quality is very poor. I tried ./ffmpeg.exe -i VTS_01_2.VOB -vcodec copy out1.mpeg ...
3
votes
1answer
19k views

Convert any video to HD Video

I bought a PC that has Intel HD graphics card built it, which supports Full HD Video at its best (1080p). But many videos online are not in HD Format (less than 720p). Hence if I need to convert to ...
3
votes
3answers
14k views

Batch Convert .mkv to .mp4

I want to batch convert all .mkv files in a folder into .mp4 with VLC. It should use the original video-/audio stream and if possible the .ass subtitle of the .mkv. It's not really a conversion, it's ...
3
votes
2answers
869 views

Stream video from a computer to a tablet

I would like to watch presentations and college videos I have on my computer, from my tablet. There are almost a hundred of GB in videos, so I would like to watch them in streaming from my computer. ...
3
votes
2answers
1k views

What hardware would be best for accelerating conversion of video files?

What kind of hardware could I get (CPU type, Video Card, MotherBoard, etc...) to aid in the conversion of video files (not the playback of video files)? I generally use AVS products (avsforyou.com).
3
votes
2answers
2k views

ffmpeg to join videos

I previously learned that FFMpeg can join videos: However, I am attempting to join recorded over-the-air broadcasts (.ts files), and I believe that minor hiccups in signal quality are causing FFMpeg ...
3
votes
2answers
3k views

How do I convert WTV (and DVR-MS) files into a smaller standard format?

The external hard drive on my HTPC is almost full and so I'm going to need to convert a large number of the films recorded from the television (in WTV format) into something smaller. At present, a 2 ...
3
votes
3answers
2k views

Video encoding for mobile: How do I choose FPS and bit rate?

I'm going to encode a video from DVD to mobile supported format (mp4, flv, H.263). For a 320x240 screen if I choose around 600 kb/s, how would I know FPS that I want? How is the bitrate is related to ...
3
votes
1answer
1k views

ffmpeg - How to copy|extract encoding settings from existing media file?

I wished to be able do this multiple times now so I ask. If I have an existing video or audio file, ffmpeg, mplayer and other media players can detect at least some of it's "propreties" like ...
3
votes
4answers
2k views

(Batch) converting a video while keeping the original time stamp/creation date

I need an easy way to convert videos to h264 while keeping the original creation date. Right now I'm doing it manually (encode, then edit the date), but it's a super boring task to do when I have 10+ ...
3
votes
5answers
3k views

Converting a .mts HD video file to more useable/flexible format?

I had a friend ask me this and I was not sure what to recommend. A large 19 min. HD video was shot with a Panasonic HDC-SD9P in 1920x1080. They want to send this video to friends and obviously the ...
3
votes
2answers
995 views

A .mp4 converter with command line support?

I would like to find an application that I can use to convert any video format in .mpv4 or .ogg from the command line. I don't mind it cost money as long it worth it. Which one would you recommend? ...
3
votes
3answers
620 views

Converting SWF to WMV

I've been searching on the web for tools (online and desktop) to convert SWF files to WMV. We don't have the original FLA files anymore, and these SWF contain how-to software instructions. Some ...
3
votes
1answer
1k views

Include external subtitles while converting video with FFmpeg

Is it possible to use subtitles from an external file while converting a video with FFmpeg? The file extension of the subtitles is .stl or .vob.
3
votes
2answers
3k views

Convert mp4 video to a format xbox 360 can play

Here is a video file my Xbox 360 refuses to play: $ MP4Box -info video.mp4 * Movie Info * Timescale 90000 - Duration 02:18:33.365 Fragmented File no - 2 track(s) File Brand ...
3
votes
2answers
2k views

Can VLC crop black borders on the fly?

http://www.onlinetvrecorder.com/ offers free TV recordings, and AviDemux can cut out the commercial breaks without requiring recoding. However, many recordings have black bars either on top and bottom ...
3
votes
1answer
483 views

What is the best input format for ffmpeg?

My company takes in video files from film makers and compresses them via ffmpeg for streaming over the internet. Ffmpeg supports many video formats, but doesn't support some (e.g. Apple ProRes). Is ...
3
votes
1answer
752 views

Does a GPU-Based video converter exist beyond Badaboom and Avivo?

I've been looking for one for a long time and I've found Badaboom to be incredibly bad and Avivo not to be able to run on my GPU (I have an nVidia GPU). Does anybody know of any other solutions?
3
votes
1answer
2k views

change mp4 `ftyp` from `isom` to `mp42`

Will I be able to change the ftyp of an mp4 file? I have two mp4 files and placed it unto media info to see what is the difference. The other mp4 plays on my sansa fuze device while the other does ...
3
votes
5answers
493 views

Downloading, Re-encoding, and Joining YouTube Videos

I've downloaded a set of Youtube Videos that are part of the same episode. Currently I've tried converting them into mp4 using ffmpeg and then joining with MP4Box. for f in *.flv; do ffmpeg -i "$f" ...