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

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1answer
238 views

Cropping video to different parts with same bitrate in ffmpeg

I am trying to crop a video clip (originally 960 by 540) in two 4 parts (top-left, top-right, etc..) and I use this command below (with of course corrext x/y positions): ffmpeg -i mov_a.m4v -vf ...
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1answer
2k views

How to create video from images and audio file?

To make the story short, I just want to create a video from a X number of images and a mp3 file, AND get the same audio quality. I've checked the ffmpeg website, but ... here is what I've got: ...
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2answers
152 views

Automating video generation by adding an intro and a trailing video to the main video

I have a video project I am trying to compile. Here is the overview: I have many videos which are 5 minute training sessions - Main video. The Intro Video will be a standard 5 second video that will ...
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0answers
114 views

How does one take an MPEG4/MP3 AVI and re-encapsulate it in MP4?

I've been trying to take an old AVI file I have that has an MPEG4 video with MP3 audio and re-encapsulate it in an MP4 container. The audio was easy enough to figure out (-acodec libfaac), but I don't ...
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0answers
61 views

Are portable USB DVD drives equally capable as SATA drives for ripping DVD's?

I'm currently archiving my physical DVD collection to a media server. My desktop PC currently has a DVD drive but it's awkward to get at due to where the PC lives under my desk. I'm thinking about ...
2
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1answer
1k 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 ...
0
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1answer
490 views

What is the fastest and best way to convert an rmvb video to mp4/mkv without losing any quality?

The file will be played in a Popbox3D. My old method was to convert the video using vidcoder (an offshoot of handbrake) using normal settings, but I've recently confirmed that this significantly ...
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1answer
89 views

How to convert SBS 3D to Blue Ray 1080?

Can anybody help me to convert a SBS 3d movie to any format like .mkv or .wmv or .avi in a high quality format. I accidentally downloaded a movie and i dint know about the SBS 3D , now its very ...
3
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1answer
135 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 ...
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0answers
363 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. ...
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1answer
1k 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 ...
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1answer
3k 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 ...
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0answers
951 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 ...
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1answer
395 views

clipbucket Unknown encoder 'libfaac'

I am using CB script when i upload any video after uploading it give file to processing this my loge Started on 2013-09-06 20:23:00 - 2013 Sep 06 Checking File .... File : ...
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1answer
1k views

ffmpeg combine separate video and audio of different lengths

I have 2 video files (flv). One has the video and the other has the audio. I wrote a script using ffmpeg that extracts the audio as mp3, then merges it with the video flv. It works, except that my ...
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1answer
122 views

Get black picture when using frei0r filter with ffmpeg on Mac OS

When trying to add a perspective filter on a video using ffmpeg I get a black picture with sound when the resulting format is MP4. ffmpeg -i 2416593.flv -vf "frei0r=perspective:0.2/0.2:0.8/0.2" ...
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1answer
3k 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 - ...
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1answer
1k views

What is the maximum and minimum of 'q' value in ffmpeg?

When extract a image from a Video via ffmpeg, can get message like below. frame= 1 fps=0.0 q=2.5 Lsize=N/A time=00:00:00.03 bitrate=N/A and that 'q' value means "quality of coded frames". I ...
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2answers
1k 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 ...
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0answers
618 views

Using ffmpeg, can I burn in subtitles directly from an mkv subtitle track instead of a subtitle file?

I have an mkv with multiple subtitle streams. I know I can use mkvextract to extract one of those subtitle streams to a file, for example, sub.srt. I can then burn those subtitles into the new video ...
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1answer
1k 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. ...
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0answers
372 views

FFmpeg missing frame after H264/TS to RAW/AVI

While converting a H264/TS to a RAW/AVI with ffmpeg -i in.ts -vcodec rawvideo -pix_fmt yuv420p out.avi I found that the output AVI file had less frame than expected. It may come from PTS error in ...
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3answers
118 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 ...
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1answer
436 views

FFmpeg fails to stream to FMS 4.5

I'm attempting to use ffmpeg to transcode an input video from whatever format it's in to an mp4 with h.264 video and MP3 audio and have the output go directly to FMS 4.5 using rtmp so the video will ...
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0answers
30 views

Blank video when converting uncompressed AVI files with ffmpeg [duplicate]

I'm having a problem converting Uncompressed AVI files with ffmpeg. I can convert a .mp4 video without issue, but when I attempt to run the same command on an uncompressed .avi everything looks fine, ...
4
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1answer
39 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.
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1answer
286 views

Muxing private streams into/from MP4 and MPEG2TS with ffmpeg

Suppose I have a private media stream (neither audio nor video nor subtitles) and I want to mux that into an MP4 or MPEG2TS file with ffmpeg. Is it possible without source changes? Or do I have a ...
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2answers
7k views

Multiple File Conversion with VLC media Player

I have to convert a number of video files to audio format but its very painful and time consuming to convert them one by one. Is there a way to convert them in a batch with VLC player?
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0answers
402 views

Use avconv to convert iMovie DV streams to other formats

I have a bunch of DV streams that were imported from a DV camcorder using iMovie. Unfortunately, neither avconv nor VLC seem to be capable of converting these files correctly, whereas QuickTime ...
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2answers
424 views

movie conversion program that preserves embedded subtitles in .mkv files

I am looking for a movie conversion program to convert mkv movies with embedded subtitles to be put on iOS devices. While there are various tools readily available such as Free Studio, etc, these ...
9
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2answers
20k 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 ...
0
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1answer
456 views

How to output to both mp4 and mpegts

Using h264 and aac, I've been trying to generate an mp4 and mpegts output in one command using the new tee muxer. Either it complains about a lack of the aac_adtstoasc bsf, or if global_header is set ...
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0answers
633 views

Convert stream file (mux) to mp4 gstreamer

I used a program to capture my screen (called Kazam for linux). My computer crashed and I lost my screen capture which I cannot recreate. I found two files that seem to hold my video, a .mux and ...
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1answer
2k views

Converting with ffmpeg a .mov to uncompressed .avi results in a black screen in virtualdub

I am trying to convert a .mov to an uncompressed .avi with ffmpeg. As I want no quality loss, I am using the following ffmpeg command: ffmpeg -i toto.mov -vcodec copy -y toto.avi The convertion ...
4
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1answer
845 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> ...
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1answer
186 views

Video processing to support different web players and qualities

I am trying to accomplish something similar to YouTube player. The biggest issue I'm facing now is how should I process user uploaded video files. For example, since I want to switch between 240p, ...
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0answers
190 views

No video is written in for some part of video as the segmentation from FFmpeg

I am segmenting a 20 minutes long video to hundreds of small clips . The command is like ffmpeg\\ffmpeg -i nx_1.avi -ss 399.37 -t 1 ka1_2.avi The ffmpeg is in a subfolder. It works very well for ...
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2answers
388 views

Ripping DVD's for iTunes and 5.1 sound

I have spent the past few days trying to find a solution here. I want all my DVD's on my pc so as my DVD's can stay new and scratch free. I started out with the trial of DVDfab. Things seemed to be ...
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0answers
337 views

Allow multiple instances of Handbrake

Is it possible to run multiple instances of Handbrake on Windows 7 (video encoding application)? I have a 32 thread system and I think it would be more efficient to encode 2-3 movies at the same ...
2
votes
1answer
258 views

How to Remove interframe errors from webm?

I have webm videos that output the error: Discarding interframe without a prior keyframe! When played in VLC. How can I recode/fix the files in linux to solve this error. There is a way to check ...
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1answer
20k 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 ...
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2answers
4k views

How can I convert .SCR to .AVI

I play a game from which I'm trying to extract videos. I extracted the '.PAK' files and the movies are in '.SCR' format. I have no idea how to convert them to '.AVI' or any playable file. Does anyone ...
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2answers
9k 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 ...
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0answers
15 views

VideoLAN settings for iPhone/iPad [duplicate]

What are VideoLAN settings to convert a DVD for playback on iPhone/iPad?
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1answer
382 views

FFMPEG keeps converting without stopping

I have a web application that converts videos and splits them using FFMPEG. It was working fine until recently I noticed that the videos were taking much more time converting than they are supposed ...
5
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1answer
2k 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 ...
1
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1answer
165 views

Avconv generating HUGE metadata over 90mb for 718mb video file

This is the metadata file, extracted with Atom box studio: https://www.dropbox.com/s/tok76wospngf854/moov Video was converted with avconv, info: /usr/local/bin/avconv -version avconv version 9.4, ...
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2answers
439 views

Cores or Graphics card more important for encoding video?

I have recently been doing a bit of movie editing and encoding. I am using my desktop for this which has a quad-core 2.8GHz AMD CPU, a 240GB SSD and a 500GB SATA Disk, as well as 8GB of RAM and a ...
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0answers
57 views

FFmpeg audio disappears in the middle of the video

I've been trying to convert a sequence of PNG files to a video with some sound (mp3 or wav). It pretty much works with different codecs and quality settings for both video and audio.But the audio ...
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0answers
847 views

Fixing ffmpeg latency accrued over time

I have ffmpeg/ffserver running in the following setup: 10.1.2.2 captures from video capture cards (16 channels) and streams them to an ffserver as mpeg1video 10.1.1.1/10.1.2.1 (two NICs) hosts the ...