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

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32
votes
2answers
112k 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 ...
25
votes
2answers
25k 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 ...
24
votes
3answers
25k 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 ...
23
votes
1answer
12k 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?
21
votes
4answers
100k 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 ...
20
votes
2answers
69k 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 ...
16
votes
2answers
34k 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 ...
15
votes
7answers
2k 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?
14
votes
1answer
29k 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?
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 ...
11
votes
3answers
8k 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?
10
votes
3answers
16k 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 ...
10
votes
2answers
2k 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 ...
9
votes
1answer
21k 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 ...
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

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
1answer
5k 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 ...
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
1answer
15k views

Use ffmpeg copy codec to combine *.ts files into a single mp4

I've got a bunch of ts segments described by a single index.m3u8 file: index.m3u8 segment1_0_av.ts segment2_0_av.ts segment3_0_av.ts segment4_0_av.ts segment5_0_av.ts I know they ...
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
3answers
646 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 ...
7
votes
3answers
30k 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 ...
7
votes
3answers
6k 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 ...
6
votes
2answers
17k 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?
6
votes
2answers
16k 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 ...
6
votes
5answers
401 views

Convert videos to iPod Touch-friendly formats [closed]

I have a bunch of Xvid videos lying around, and I would love to convert them to a format that will play on my iPod touch efficiently and quickly. What free programs can do this? Although I am after ...
6
votes
3answers
5k views

Convert video from .mp4 to .ogg

I am using ffmpeg version 0.11.1 Copyright (c) 2000-2012 the FFmpeg developers . I need to convert a file .mp4, to .ogg format. I am on Mac OS X, and I have tried this so far: ffmpeg -i ...
6
votes
1answer
9k views

Extracting every frame from video file as image in OS X

What I want to do is extract every frame of a video file and output the images. I tried using VLC's commands through terminal, however it seems to be skipping frames, even though I turned off "skip ...
6
votes
3answers
7k 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 ...
6
votes
4answers
10k 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 ...
5
votes
3answers
13k 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 ...
5
votes
2answers
11k 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 ...
5
votes
1answer
6k views

Convert AVI into H.264 that works inside an HTML5 Video tag

I would like to convert an existing black and white AVI into an H.264 video that works inside an HTML5 video tag. I'm currently using this ffmpeg command: ffmpeg -i file.avi -y -c:v libx264 ...
5
votes
5answers
31k views

M3U8 file to MP4 conversion?

Can an M3U8 video file be converted to MP4? I have had no luck finding a file converter that can do this since the M3U8 file is really an Audio playlist with many smaller files in a folder.
5
votes
3answers
14k 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
14k views

How to make an MPEG2 video file with the highest quality possible using FFMPEG?

I have got a WMV (v9 (WMV3), 960x720, 30.000030 fps, planar 4:2:0 YUV, produced by PowerPoint 2010) file and need to convert it to MPEG2 - the only format my TVset can read from an USB flash drive (I ...
5
votes
3answers
17k views

Converting AVI encoded file with an 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 ...
5
votes
2answers
13k views

Conversion from WMV to MP4 file fails with FFmpeg

When converting a WMV file to an MP4 file, it says [mp4 @ 0x989c160] track 1: could not find tag, codec not currently supported in container and Could not write header for output ...
5
votes
3answers
248 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 ...
5
votes
1answer
2k 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 ...
5
votes
1answer
12k views

ffmpeg: Could not find codec parameters for stream 0 (Video: h264) unspecified size

I try to convert a video from .raw to .mp4. For this reason I did download, build and install both x264 and ffmpeg. However, command: ffmpeg -f h264 -i output.raw -vcodec copy output.mp4 fails with ...
4
votes
1answer
45k 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 ...
4
votes
1answer
10k views

Convert specific video and audio track only with ffmpeg

I have an MKV file (vidui.mkv) with 6 tracks in it. Track 1 - video - xvid - 1920x1080 Track 2 - video - xvid - 720x576 Track 3 - audio - AAC - 1240kbps - English Track 4 - audio - AAC - 648kbps - ...
4
votes
3answers
4k 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 ...
4
votes
1answer
2k views

Resizing with avconv causes pixellation in output

I am trying to resize a video from 1920x1800 to 1280x720 for phone viewing. This is the command I used: avconv -i input.mkv \ -map 0:v -map 0:a:1 -map 0:s:0 \ # map video, 2nd audio stream, and ...
4
votes
1answer
42 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
1answer
10k views

How to convert MP4 to SWF

Can someone give me the command line parameters for FFmpeg to convert MP4 video to an Adobe Flash SWF file?
4
votes
1answer
5k views

Burn-in subtitles with avconv?

I have a mkv file and want to convert it to an DVD compatible mpg file with avconv. How can I also burn-in one subtitle stream from the same mkv file? avconv -i input.mkv -map 0:0 -map 0:1 -target ...
4
votes
3answers
366 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
10k 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 ...