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

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21
votes
1answer
11k 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?
17
votes
2answers
17k 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 ...
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?
3
votes
3answers
3k views

Batch convert videos from MPG to AVI

I have a few hundred short MPEG files (each ~10 seconds) that I need to batch convert to AVI. What would be the best way to do this? I've tried using WinFF but the quality was very subpar.
2
votes
2answers
355 views

Converting home video tape to digital? [duplicate]

Possible Duplicate: What do I need to be able to convert analog video (VHS, or an old camcorder) on a Mac? My mother has some old home movies recorded on video tape that she'd like to ...
23
votes
2answers
81k 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 ...
12
votes
2answers
45k 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 ...
12
votes
1answer
25k 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?
6
votes
1answer
14k 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 ...
7
votes
4answers
363 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?
6
votes
3answers
3k 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
2answers
12k 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 ...
1
vote
1answer
3k views

What H.264/H.265 video compression parameters provide DVD-equivalent quality with better compression?

I have got a box of DVD video disks that I seek to get rid of while I'd like to keep the videos by converting them into MP4 files to store them on a hard drive. Considering superiority of the modern ...
4
votes
2answers
6k 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
4answers
3k views

FFmpeg tweaks for converting from WMV to FLV?

When using ffmpeg to convert from .wmv files to .flv files, I find that either the quality is too low or the bps is too high. I am working on a Ubuntu Linux installation. Any suggestions? The bps ...
5
votes
2answers
8k 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 ...
1
vote
0answers
5k views

How to convert/transmux ismv to mp4 or wmv?

How can I convert/transmux Smooth Streaming ismv files to mp4 or wmv? I've often read about mp4split but it doesn't seem to be freely available any more.
3
votes
0answers
393 views

Ffmpeg sync error, first image showing really fast

I want to converting my images with mp3 to videos... but first slide is showing up really fast. I want to each slide duration 5-7 seconds or so RAW material MP3 Files My list Images FFmpeg ...
1
vote
1answer
3k views

What file extensions does ffmpeg support?

I'm trying to extract a subtitle from a Blu-ray disc and it is an hdmv_pgs_subtitle. So I try ffmpeg -i file.m2ts -map 0:3 -scodec copy rip3/test.sub and get Could not write header for output ...
1
vote
2answers
2k views

What video codec puts the CPU/GPU under the least possible load while decoding?

I'm interested in transcoding a video I own for use as a screensaver; size isn't an issue, but I want to stress the processor and video card as little as possible as far as video decoding goes. What ...
1
vote
1answer
166 views

Free DVD Burning Options but for DVD Players not data

I used to use ConvertXtoDVD which was simple and awesome got the job done. But are there any good free options that allow you to burn a DVD video to a DVD that can be played in a player?
6
votes
3answers
22k 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 ...
1
vote
2answers
13k views

HLS video segmenting complications. How to create a transport stream with ffmpeg

I have h264 videos, and currently we're using Apple's HTTP Video Streaming tools and mediafilesegmenter to segment these files. What I need to do is to switch to alternative segmenter based on this ...
3
votes
1answer
6k 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 ...
2
votes
1answer
7k 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 ...
2
votes
1answer
3k views

Fix an m4v video that has lagging audio (audio and video out of sync)

Here's a similar question for windows: Tool to fix video that's out of sync with audio? I'm hoping to solve this problem on a Mac. I've tried Handbrake and Avidemux (the latter seems to have an ...
1
vote
1answer
2k views

FFMPEG for animation of image files outputs all-black video

I am trying to create an animation of a few images ("f_01.png", "f_02.png", ..., "f_08.png") that are each a different solid colour, but it always outputs a video entirely made up of black frames. ...
-2
votes
3answers
687 views

Conversion from WebM to MP4 in Ubuntu is slow and bad quality

I have used the command ffmpeg -i input.webm -q:v 10 -c:a copy out.mp4 I also tried using avconv instead of ffmpeg. The conversion is successful but the quality is bad. Also it takes a lot of ...
4
votes
1answer
3k 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 ...
4
votes
3answers
300 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?
3
votes
1answer
160 views

How can I use an audio file without having to re-encode it to output an audio stream with the same format?

I have two input files, a still image that's going to repeat itself as frames and an audio file. How can I use the audio file without having to re-encode it to output an audio stream with the same ...
3
votes
1answer
15k views

How to convert Webex' WRF to any other video format?

I've recorded a Webex WRF screencast and I'd like to convert it to WMV or AVI or something. The Webex Editor keeps saying it needs Windows Media Player 9. Is there any other way to convert WRF?
3
votes
5answers
18k views

Convert large .mov file to .avi or other small file format

I have a large 3G .mov file that I need to post online or attach in an email (hopefully the final output will be less then 100mb). What is the best way for me to do this, quickly and for free?
2
votes
1answer
1k views

FFmpeg “ass” filter not working

I'm haveing a bit of a problem when trying to use FFmpeg. I've mostly been using it to extract clips from videos and such. However, I've been trying to get some subtitles embedded (hardsubs) into the ...
2
votes
1answer
514 views

FFmpeg x264 Encode Settings

My new Canon Vixia HF G30 video camera has an option to encode directly to 35 Mbit/sec Mp4 at 1080p60 and it does a nice job. I primarily use it to record my daughter's high school basketball games. ...
1
vote
2answers
3k 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 ...
1
vote
1answer
333 views

Merging 2 videos with overlay causes async problems

I'm using following ffmpeg command to merge 2 MKV inputs with the overlay parameter. The result should be one output with input1 on top of input2. In the process, the output should be webm. Both ...
1
vote
0answers
378 views

Why does FFmpeg append blank black video to the end of my MP4 files when compressed from MOV?

I have several large MOV files that I want to compress to MP4. Unfortunately, when I use FFmpeg, it appends lots of black (blank) video at the end. (The destination file is longer than the source ...
1
vote
1answer
23k views

Import MKV, AVI, etc. video files to iTunes 11 without conversion

Recently I had the idea that it would be good to organize all of my movies and TV shows into one central application (kind of an inventory), and from the research I have conducted, I was able to ...
1
vote
1answer
352 views

Windows command line program to encode AVI to XVID

I'm looking for a command line tool (preferably with no installation) which allows me to encode AVI to XVID (as MPEG4). I know some solutions for Linux but can't find the same on Windows (XP).
0
votes
0answers
28 views

audio error when concatenating clips using ffmpeg [duplicate]

I'm trying to do the following: cut an input video into segments and convert these segments in the same step concatenate the transcoded segments back together in an output file The steps that I'm ...
0
votes
1answer
191 views

FFMPEG Windows Generate 360p Video conversion failed

Input : "C:/server/ffmpeg/bin/ffmpeg.exe" -y -i C:\server\websites\ps\public_www/media/com_hwdmediashare/files/50/4f/37/4185216cb9bb234fd47ee43bf2122e4f.avi -strict experimental -acodec aac -ac 2 -ab ...
0
votes
0answers
1k views

FFMPEG fade between images

I need to do cross fade transition between two images and followed this link which works perfect for two images. ffmpeg -loop 1 -i input0.png -loop 1 -i input1.png -filter_complex ...
0
votes
1answer
706 views

ffmpeg concat output not playing in windows media player

I have a series of short (<3sec) mp4 videos (some with audio, some with no audio) that play fine in all clients. 15 fps, AAC audio. When I use ffmpeg concat, the resulting file plays fine in vlc, ...
0
votes
0answers
1k views

ClipBucket file for preset 'normal' not found, failed to stat file in ffmpeg

I am trying to fix my ffmpeg problems. When I upload any video it gives me an error that the file for preset 'normal' was not found, and it failed to stat the file. Any idea? Started on 2013-09-10 ...
0
votes
1answer
2k views

.vob to h.264 MP4 Files - Worth The Effort?

When I was doing the converting to digital format a while back I chose .VOB due to no quality loss. However recently I have been informed of this h.264 compression method. Time is not an issue here, ...
-2
votes
1answer
438 views

Protect video file using DRM

I would like to protect a video file (can be any format, avi, wmv, mkv) Something like, user should only be allowed to view first 10 seconds of video or a another video clip showing link to site where ...