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

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2
votes
1answer
9k 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 - ...
2
votes
1answer
2k 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 ...
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 ...
2
votes
0answers
923 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 ...
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. ...
1
vote
0answers
591 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 ...
5
votes
3answers
210 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 ...
0
votes
1answer
666 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 ...
2
votes
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
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.
1
vote
1answer
479 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 ...
1
vote
2answers
19k 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?
1
vote
0answers
571 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 ...
-1
votes
2answers
555 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 ...
16
votes
2answers
33k 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
votes
1answer
674 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 ...
1
vote
0answers
1k 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 ...
0
votes
1answer
4k 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
votes
1answer
2k 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> ...
0
votes
1answer
299 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, ...
2
votes
0answers
263 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 ...
0
votes
2answers
535 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 ...
0
votes
0answers
617 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
439 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 ...
2
votes
1answer
25k 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 ...
-2
votes
2answers
6k 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 ...
5
votes
3answers
15k 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 ...
0
votes
0answers
15 views

VideoLAN settings for iPhone/iPad [duplicate]

What are VideoLAN settings to convert a DVD for playback on iPhone/iPad?
1
vote
1answer
591 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 ...
8
votes
1answer
4k 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
vote
1answer
179 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, ...
0
votes
2answers
633 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 ...
1
vote
0answers
90 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 ...
2
votes
0answers
1k 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 ...
2
votes
0answers
2k views

Handbrake output directory to include Title folder

I am using handbrake to convert my DVD's to .MP4 and have set the default output path Tools -> Options -> Output Files In here there is Default Path: which I have pointing to my Movies folder ...
3
votes
1answer
3k views

Using FFmpeg filter without video conversion

Does anyone have an idea of how I can put an image mask over the video without changing the audio & video codec? I'm making different media files for testing purposes and I want control over my ...
0
votes
0answers
603 views

Linux - Increase volume for HD mp4 files

I am converting videos using ffmpeg. Videos are 1080p at first and I convert 1080p to h264 720p and 360p. Also if videos are 360p I`m converting them to h264 360p. The problem is when converting ...
0
votes
0answers
42 views

Videos downloaded from video hostings are seeked too slowly

Videos downloaded from youtube and other video hostings are seeked too slowly in video player. How to add an index to them under Windows (flv and mp4 files)? A bat file that makes anything needed ...
0
votes
1answer
3k views

RAD Game Tools is unable to open an MP4 file

I downloaded RAD Game Tools to convert an MP4 file to BIK, but I get the following error message: This happens with not just the file I want to convert, but with all my video files. I have no idea ...
4
votes
0answers
665 views

Accurate and reliable movie editing with avconv

I'm trying to perform movie editing in an automated way with avconv. It is made in two steps: extract some parts of an input movie: concatenate the parts to form an output movie: I tried some ...
1
vote
1answer
926 views

Reuse transcoding outputs to generate multiple files with AvConv

I am trying to find information about how to transcode a file into multiple outputs in one shot, but I don't seem to be able to. Most of the results I find describe the opposite: merging multiple ...
7
votes
3answers
5k 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 ...
1
vote
1answer
813 views

How to fetch frames from a video without losing some of them?

I created an AVI file from 30 PNG images, 15 frames/second: ffmpeg -i %02d.png -r 15 video.avi But when I tried to get the images back from the AVI: ffmpeg -i src.avi %02d.png I only got 19 ...
1
vote
1answer
311 views

How to create a multiple audio MKV from an AVI and a MP3 using FFMPEG

I have a AVI movie and a second audio in a MP3 file and want to create a third file in MKV with the original audio from AVI and a secondary audio from the MP3. Is it possible to do with FFMPEG? I've ...
0
votes
1answer
367 views

Best solution for HDMI (or DVI) to RCA (or peritel) [closed]

I'm looking for some inexpensive but not fake / poor solution to display my future "Xtreamer Ultra" on an old tv (which only has RCA/peritel connectivity)... Here is the product's profile ...
1
vote
2answers
708 views

iMac won't recognise .MTS videos on my hard drive, how can I play them?

We just purchased an iMac yesterday to view our travel videos. The thing is, all the videos we have stored on our external Hard Drive are in the .MTS file format (AVCHD). The thing is, the Mac or ...
1
vote
0answers
413 views

what is missing in this ffmpeg statement to create a working video conversion

I want to convert videos to a format that my camera reads with ffmpeg. I have some sample videos from the camera and analyzed them with mplayer -frames 0 -identify DSCN0001.mov and with ffprobe ...
0
votes
1answer
771 views

How to convert video to GIF using FFmpeg

I installed FFmpeg on my XAMPP for converting stream of video to GIF images. I used the below code but it doesn't work. ffmpeg -ss 00:00:05.0 -t 00:00:10.0 -i input.wmv -acodec copy -vcodec copy ...
1
vote
0answers
416 views

FFmpeg failed to transcode

I have successfully installed Video Module with FFmpeg/avconv in local machine. My current version of FFmpeg is "0.6.0-svn". I have downloaded the video preset package from drupal.org for FFMPEG and ...
21
votes
2answers
22k 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 ...