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

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7 views

How to set profile compatibility of an fMP4 using ffmpeg?

I'm using ffmpeg to generate a fragmented mp4 stream that will be consumed by an HTML5 player. I think I have a correctly formatted mp4 stream of data with an empty moov at the start and a series of ...
3
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1answer
4k 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 ...
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1answer
438 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, ...
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0answers
12 views

is there any player that automatically convert HD movies to standards only? [on hold]

my Lenovo netbook was not so new, I have a problem when im wathching HD movies on my netbook. I hate it when it gets pixelated whenever I watched on it. OR is this a problem on my video card?
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2answers
6k views

How do you convert AVI to FLV using Avidemux in Windows?

I've tried the tutorial but there seems to be a specific file that has to be associated with Avidemux. I'm using version 2.5.1 (r5249)
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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.
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0answers
26 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
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1answer
45 views

avconv gives empty output

I tried converting a video file to a desired format using FFmpeg through WinFF. I have specific demands about some aspects of the output file, while other aspects should be set in a way which will ...
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5answers
34 views

How to convert from .avi container to .mp4

I have an .avi file containing the following streams: Stream #0.0: Video: mpeg4 (Advanced Simple Profile), yuv420p, 608x256 [PAR 1:1 DAR 19:8], 23.98 tbn, 23.98 tbc Stream #0.1: Audio: mp3, 48000 ...
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2answers
6k views

MP4 video from Android phone can't be played in Windows

I took a video on my Samsung Galaxy S2 (Android), it's about 3GB and it can be played on the phone. But after transferring it to the PC is does not play when opened with VLC, QuickTime, Windows Media ...
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2answers
57k 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 ...
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0answers
545 views

Split video into equal file size parts with ffmpeg [duplicate]

i am trying to split a video file into equal file size parts with ffmpeg. At first i get the file size of the original and divide it with the desired number of parts to get the file part's file size. ...
2
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1answer
252 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
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1answer
33 views

ffmpeg - h264 - multiple resolutions without scaling

I have an MP4 which contains an H264/AVC stream, which contains multiple resolutions. Below is the output of mediainfo on this file: General Complete name : known.mp4 ...
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1answer
85 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 ...
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1answer
2k views

Sound out of sync after merging multiple mp4 files with Avidemux

I am trying to join (merge) two or more .mp4 files together, without re-encoding. Here is what I did: Started Avidemux 2.5.5. With File->Open, selected Input1.mp4. I received this message - "H.264 ...
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2answers
53 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 ...
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1answer
47 views

Recursively convert mkv to mp4 with avconv

I need to create a script that can convert all .mkv files to .mp4 in a starting directory and all sub-directories under it. I've been able to convert files one at a time by using: avconv -i ...
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0answers
103 views

Why does avconv change the fps when deinterlacing?

I have a .MTS 1080i of 25fps (mediainfo) that I deinterlaced with avconv -i input.MTS -vf yadif -c:a copy output.mp4. As the wiki says, the default value for yadif is 0 which "outputs one frame for ...
0
votes
1answer
167 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 ...
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1answer
11k 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?
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2answers
254 views

Input and output files for mencoder

What file types does mencoder accept for input, and what kind of output files can it make besides AVI files?
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1answer
197 views

Can't convert FLV to MP4 for iPhone with ffmpeg

I'm having issues with converting an FLV to an MP4 that will play on iPhone/iPad via Video-js. It seems that the ffmpeg commands are not converting properly. Here's one of the original commands ...
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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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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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1answer
249 views

Is there a good program to generate gifs from a wmv file? [closed]

I want to generate gif files from wmv movie files. I am hoping that it can generate from a given section in the movie file with options of how many images are in the gif. Can you help me? This is for ...
2
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1answer
3k views

Can MP4s be 480p?

If I'm not mistaken, as a container format, MP4 videos should be able to contain videos that are 480p. Also, from what I am able to find, the MPEG-4 video format does not have a limitation that ...
0
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1answer
103 views

Convert mkv with AVC High@L4.0 to mp4 with ACV High@L4.1 or higher

I am trying to convert some mkv files I have to mp4 so that they can be played to my chromecast. Here is the information about the video files. mkv file information As you can see that the video ...
3
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5answers
15k 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?
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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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16 views

How to mix videos created by DosBox into a single video?

When recording gameplay videos. DosBox recording a separate video for each graphics mode. For example Descent switches graphics mode for each time you visit the auto map. So now I have 46 videos ...
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3answers
58k 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 ...
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2answers
479 views

Why is my iPhone converted video much larger than the original?

For example, I'm trying to convert an .avi file of 818 megabytes. Then I use Miro Converter to convert to iPhone format and the resulting file is 865 megabytes. Is this normal? I would expect the ...
11
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1answer
22k 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?
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15 views

What other options are available similar to Inmatrix's Zoom Player's Scene Cut Editor?

Zoom Player has a function that lets you "edit" a movie without changing it using their Scene Cut Editor. You can tell it start/stop times (easily, through a GUI interface) and it then "skips" or ...
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0answers
252 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 ...
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0answers
565 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 ...
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0answers
35 views

Prevent ffmpg from concealing errors during conversion

I'm experimenting with using Audacity to create glitch videos (datamosh and databend are synonyms). So, I create an AVI, pull it into Audacity as raw data, manipulate the stream, and the save it back ...
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1answer
2k views

ffmpeg - creating DNxHD MFX files with alphas

I'm struggling with something in FFMpeg at the moment... I'm trying to make DNxHD 1080p/24, 36Mb/s MXF files from a sequence of PNG files. My current command-line is: ffmpeg -y -f image2 -i ...
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2answers
4k views

How to rip AVI from VOB using ffmpeg

I am trying to convert a VOB to an AVI. I have ripped an AVI from this VOB before using ffmpeg, but for some reason it's not working this time. This is what I tried: ffmpeg -sameq -acodec copy -i ...
2
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1answer
102 views

How can I backup a movie DVD?

I'm backing up my DVD movie collection in a portable HDD, both to have a better access to them, and preserve it over time (I've experienced some problems when reading some of them, luckily after ...
8
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3answers
424 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 ...
0
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0answers
127 views

I get wrong aspect ratio for images and video converted using ffmpeg

I am trying to convert some old movie files to images (and later to reencode as h.264). The problem is that the resulting images are stretched vertically. Here is the ffmpeg command: ffmpeg -i ...
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3answers
2k views

How to convert a .m4v video/audio file to .mp4 on Windows 7?

Does Windows- 7 already have something that would convert .m4v to .mp4? If not, how would I do that?
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5answers
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+ ...
0
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1answer
97 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 ...
9
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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 ...
3
votes
2answers
9k views

Is there a good, free way to fix broken/corrupt .wmv files?

I've recovered some files from an hdd that weren't supposed to be deleted in the first place, but they have seeking problems/crash the players. Since they have the right size, I'm thinking it might be ...
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0answers
109 views

Creating video from set of images on windows with java language

I am stuck making a video from set of images using ffmpeg on Windows. For a single image it is converting into mp4 but for a set of images it failed, I have converted single % to double % with double ...
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0answers
77 views

Merging audio and video files of different length using mp4box

I have to merge video and audio file together. Currently I am using this command mp4box -flat -add <video> -add <audio> <outputfile>.mp4 But the problem is, if the video is of say ...