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

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1k views

ffmpeg - concatenating two MP4 files results in bad output file

I generated two MP4 files - a five-second intro file, which is created by the script below, and the main video (about one minute long) is created by screen-cast-omatic, both in MP4 format. When I ...
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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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1answer
19 views

FFMPEG - Convert a video to a timelapse

I'm using ffmpeg in flash builder (Action script 3) to convert a video to a time lapse of the video. I've worked out how to use setpts to do this, but the resulting output file is the same length as ...
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2answers
1k 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 ...
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2answers
5k views

How can I get my MKV files to play on a PS3?

I just finished building a video server for PS3 and I am working on converting all of my DVD and Blu-ray to my HDD. For DVD, MP4 files work great, but the PS3 can't play MKV which is what I use for ...
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2answers
117 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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1answer
88 views

Good way to convert video to VP9 and HEVC (h265) as easily as Handbrake [on hold]

I have a Sony 4K camcorder that records into AVC (h264). The files are enormous and I'd like to convert them into a more efficient codec. I've used Handbrake extensively to compress my videos into ...
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85 views

Is there a way round the video call block on shoretel when within Xenapp

Is there a way round the video call block on shoretel when within Xenapp As far as I know, there is no way to make a video chat session on ShoreTel when I am within Citrix. I can make the video ...
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5k views

Convert swf file to mp4 file using FFMPEG [closed]

I now want to show an html5 video on a html page. Now I have an sample.swf file, I want to convert it to .mp4 or .ogg or .webm file. I have tried: ffmpeg -i sample.swf sample.mp4 But I got this ...
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1answer
101 views

Cutting multi-bitrate MP4 files for Helix Server with FFmpeg

We are using Helix Server in order to distribute Video On Demand (with multi-bitrate) Content among our audience. This means that there is one MP4 file that contains multiple video streams and one ...
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1answer
22k 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 ...
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1answer
288 views

AVS Video Converter: Frame Size stuck at 848

I am trying to follow Youtube's recommended frame size for 480p which is 854x480 (more info here) Now using AVS Video Converter, when I try to change the width to 854, it keeps going back to 848. ...
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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
328 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 ...
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1answer
40 views

FFmpeg encoding part of the video with subtitles

encode part of a file and at the same time add the subtitles for that part. I am using: ffmpeg -ss 00:02:00 -t 00:00:30 -i "path/to/input" -c:v libvpx -crf 5 -b:v 3M -c:a libvorbis -vf ...
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1answer
67 views

Unrecognized option 'b:v' when trying to convert a video

I get "Unrecognized option b:v" when I tried to convert a video. I'm using FFmpeg version SVN-r26402. Here is my error log: Raw Conversion Log Started on 2014-06-29 00:02:02 - 2014 Jun 29 Checking ...
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40 views

Handbrake Not Recognizing Audio Track

I'm working on re-encoding some MKVs into Ipod format so my brother can watch movies on vacation, and I'm running into a problem with Handbrake I've never seen before. I have a MKV of a Blu-Ray I ...
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1answer
33 views

Missing reference frame, slice header decode error

I split this (http://www.auby.no/files/video_tests/h264_720p_mp_3.1_3mbps_aac_shrinkage.mp4) video using mp4box command "MP4Box -split 1 shrinking.mp4" into slices of 1 second each. I have following ...
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20 views

Ffmpeg : I-Frame detection oddity on a single channel input

Summary: When trying to abstract out I-Frames from various positions in videos with slight time offsets, identical results were produced between different offsets. Through experimentation a workaround ...
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2answers
552 views

Extract HEVC bitstream with ffmpeg

I would like to extract the raw .265 bitstream from HEVC mkv file. I use this: ffmpeg.exe -i hevc.mkv -an -vcodec copy -f hevc bitstream.265 I got this error: Requested output format 'hevc' ...
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1answer
2k 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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51 views

FFmpeg unable to find a suitable output format when run from script

I'm trying to write bash script, which I can use to start encode of my video for web player, and also log to file when it started / finished. It looks like this: #!/bin/bash ...
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1answer
56 views

Increasing size of subtitle that’s “softly” embedded within mkv

I have some MKV files that have Advanced SubStation Alpha (ASS) subtitles in them. The subtitles are “toggleable”, so they probably aren’t “burned in” then. My goal is to—somehow—increase the font ...
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19k 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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17 views

Change Audio title from English to Sinhalese using ffmpeg

I insert an extra Sound track in my video file and it works well. ffmpeg -i news.mov -i news.wav -map 0:0 -map 0:1 -map 1:0 -pass 1 -vcodec libx264 -preset fast -b 512k -minrate 512k -maxrate 512k ...
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2answers
5k 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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1answer
102 views

500 MB Avi video from CD lagging/glitching when reproduced

I created an extra cd with Nero Burning that contains both audio tracks (I can hear them correctly) and a .avi presentation (pretty big one, 540 MB on a 700 MB cd). The audio is fine but the problem ...
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1answer
8k 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 ...
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2answers
12k 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 ...
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1answer
82 views

using ffmpeg to convert mxf to yuv

I am trying to convert mxf file to yuv using ffmpeg. I gave the following command : ffmpeg.exe -i eldorado_really_cutdown.mxf output.yuv but I am getting some errors. This is the output I am getting ...
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46 views

Copy complete title as is (eac3to)

Currently, I am using complete disc structure(HD-DVD) as Input. eac3to "H:\" which returns: 1) EPISODE1.EVO+EPISODE2_1.EVO+EPISODE2_2.EVO+EPISODE3.EVO, 2:26:44 "PlayAll" - VC-1, 1080i ...
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2answers
7k views

Converting avi encoded with 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
28 views

pdf to video conversion

I need to convert all (some 300GBs) of pdfs to avi (or some other video format). I'll explain what I mean; for a certain research project I need to flash each page of pdf for (say 1s.). I know this ...
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1answer
7k 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?
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2answers
1k views

convert .avi/.flv to itunes readable format without increasing video size

I have installed itunes in my PC to organize my media. I have tons of videos in .avi/flv format and i want to convert them to a format readable by itunes so i can add them to the library. What is the ...
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1answer
8k views

Handbrake output .WMV

I'm trying to convert .AVI files to something a DMA2100 (Windows Media Center Extender) has an easier time handling. I can play .avi files but if you stop the video you have to skip back to the same ...
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1answer
118 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 ...
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3answers
2k 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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1answer
152 views

Rip CD/DVD with ffmpeg

Is this possible with ffmpeg? Do you have any links that explain how to do this? I have searched with Google but had not many results. I just want to be able to convert a CD or DVD to MP3 audio ...
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0answers
117 views

Split video into equal file size parts with ffmpeg

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. ...
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0answers
145 views

stream byte arrays to a video using ffmpeg

This is what I am trying to do: I receive jpegs from an IP camera. If motion is detected I want to upload the jpeg still shot to my server. To save on bandwidth I save each jpeg to a file on my ...
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4answers
3k views

How do I get old footage off an old (tape-based) video camera?

I am wondering what cheap ways there are for getting old footage of a old video camera (that uses tape) onto my computer? The camera does not have FireWire or anything like that, just the video ...
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5answers
397 views

Convert videos to iPod Touch-friendly formats

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 ...
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1answer
39 views

Cut WMV file into segments based on frame numbers and reencode to x264

I've done a bit of work with FFMPEG in my days and I am somewhat familiar with VirtualDub as well as high-end products such as Sony Vegas. However, I still can't figure out a simple and ...
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1answer
118 views

How do I convert webm to mp4 for MacOSX?

I'm on MacOSX Lion and would like a method for converting webm to mp4 (or another iTunes compatible format). ffmpeg seems like a possibility but the documentation is a bit obtuse for me; step-by-step ...
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0answers
20 views

MP4 file not playable in XBOX360, though seems identical to M4V playable file

I have a bunch of files for my kids that are not playable with the Xbox 360. I have successfully converted some of them to play on my system, but I'd like to understand which is the difference. ...
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1answer
166 views

Video concatenating, with overlay

I have a video recorded from a gopro which is split into 3 parts as the maximum filesize is reached after about 17 minutes and the gopro automatically splits it into multiple parts. I also have a ...
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1answer
157 views

FFMPEG H264 split demux a stream video

I've got an H264 video (Stored in an 264 file). With ffplay i see that: [NULL @ 00000000003454a0] start time for stream 0 is not set in estimate_timings _from_pts [mpeg @ 0000000000344560] Could ...
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271 views

How to Embed Subtitle to MP4 Without Re-Encoding or ( Is it possible to show Softcoded Subtitle in Web Flash Player )

I have mp4 videos. I need mp4 videos for my website so i dont want to re-encode my mp4 videos to mp4 to add subtitle. I can add subtitle to my videos with MP4Box (with CMD) but it is softcoded. ...
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1answer
82 views

delayed video overlay using ffmpeg

I am wanting to overlay one video onto another but with a delayed appearance. I have: source1.mp4 which is of duration 20 sec. source2.mp4 which is of duration 5 sec. I want to create a final ...