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

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ffmpeg bitrate variating without reason

I got a mp4 video. I just want to split it in 4GB file parts using ffmpeg (to make it writeable on FAT32). C:\ffmpeg\ffmpeg.exe -i "%NAME%.mp4" -n -t %LENGTH% -codec copy "%NAME%_1.mp4" ...
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42 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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8 views

Transcoding Video to QuickTime Animation (RLE)

I need to transcode video created using the Camstudio Lossless Codec into the QuickTime RLE format in order to get it to work with some other software. What methods can I use to convert the video? I ...
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23 views

ffmpeg with a streaming input change channels order and indices on different execution

We're using ffmpeg to take a mpts stream by 3rd party and encode it to a webm file. Now Every time I've call the ffmpeg command I get different map of channels for it. For example: Input #0, mpegts, ...
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42 views

FFmpeg/avidemux: fix packed B-frames

I'm transcoding some of my old mpeg4 videos (in avi containers) to h.264 with FFmpeg. Basically ffmpeg -i input.avi -c:v libx264 [x264 settings] -c:a libfdk_aac [aac settings] output.mp4 When doing ...
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1answer
35 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
175 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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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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97 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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58 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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51 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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55 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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28 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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108 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
77 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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24 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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1answer
101 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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31 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
175 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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208 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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204 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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202 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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46 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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22 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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205 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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210 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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389 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
98 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 ...
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53 views

Keeping Text Sharp whilst shrinking video size - Handbrake

I've recorded a bunch of videos using a high def webcam, and with a website overlay (think of a sports broadcast, with the score on the bottom of the screen). These videos are 720p avi's, but have a ...
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390 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 ...
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1answer
114 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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209 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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243 views

VIDIOC_STREAMON failed: Device or resource busy [VLC media player]

I 'm trying to achieve video recording from my UVC webcam, using VLC (Ubuntu 13.04). Both uvc-kernel-module and v4l2-utils are installed. I am able to detect /dev/video0 which is the only video device ...
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72 views

ffmpeg -sample_fmt error under Windows

I was tasked to convert a simple audio track on windows using the following command: ffmpeg -i mySound.mp3 -acodec libmp3lame -ar 48000 -ab 128k -ac 2 -sample_fmt s16 out.mp3 However it fails ...
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242 views

ffmpeg : creating video from image results in just 1 second video

I'm trying to create a short video file out of a single image for 5 seconds on a windows machine using ffmpeg. The video file is to be used to concat in front of video files taken with a camera that ...
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148 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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31 views

At my wits end with Evalvid MOS

I'm using Evalvid binaries and the tutorial here :http://www2.tkn.tu-berlin.de/research/evalvid/EvalVid/docevalvid.html I understand it well enough and can go as far as calculating PSNR for my ...
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20 views

Batch convert only the audio of AVIs from AC3 to MP3?

I have many AVIs with AC3 audio tracks. How can I batch convert only the audio from AC3 to MP3 ? I have tried Format Factory, works quite good, although it lowers the final audio volume!
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111 views

Why can I play ogg file but not convert to mkv or mp4 with FFMPEG?

I want to convert a ogg video to mp4 or mkv, but different errors appear. I have two streams (from the same source) that I captured. They are in an ogg container. If I try to convert them to mkv ...
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1answer
112 views

How to convert any video to .avi with wmv1 codec using ffmpeg/avconv?

I have installed ffmpeg to convert a video. I am trying to convert a .mp4 to a .avi video with the codec wmv1. How to do this? I am using the command avconv in a Kubuntu terminal. Last attempt I did ...
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1answer
83 views

Use Handbrake to simply fix wrong anamorphic video

My Samsung video camera for some reason I don't know, does not right the correct information for the 16:9 videos. So in order to have the correct aspect ratio, I used to re-encode the video with the ...
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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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202 views

Converting video for mobile phone

I usually download and watch videos from Deutsche Welle to work on my German. Lately, I have been commuting a lot and watching the videos on my mobile phone in the train would be nice. I have tried ...
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179 views

Video conversion stops while converting .avi movie to 3GP using ffmpeg

..\tools\ffmpeg -y -i FindingNemo(2003)WidescreenDVDripV3nDetta.avi -r 20 -s 352x288 -b 400k -acodec aac -strict experimental -ac 1 -ar 8000 -ab 24k FindingNemo(2003)WidescreenDVDripV3nDetta.3gp ...
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1k views

Converting video from 1080p to 720p with smallest qualiti loss using ffmpeg

I stack with my high quality movie: 1080p with 60fps. The trouble is lags while playing. I tried to convert it to 720p with ffmpeg: ffmpeg -i MyMovie.mkv -r 60 -s hd720 MyMovie_720p.mkv But I ...
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46 views

OSX resource allocation?

I am in the process of converting all .avi files to .mp4 (for compatibility with my PS3 and iPad). I noticed today that both the applications I've used so far (MPEG Streamclip & Handbrake) only ...
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150 views

How to use mencoder to convert any format to ogg video

I am trying mencoder to convert any format videos to OGG/Video The ffmpeg command I have tested successfully is : ffmpeg -y -i '<input-file.avi>' -vcodec libtheora -b 256k -bt 256k -level 30 ...
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82 views

Achieve mp4(x264) compression of Debut Video Capture in Sony Vegas

I am using Debut Video Capture software to record my screen (948x534px in mp4 h264 encoder with Ratefactor of 28) and afterwards I edit those clips and render then in Sony Vegas. My problem is that ...
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2answers
94 views

What is the name for this video connector? [duplicate]

I just got my new Dell tower and it came with this cable. On one end it had a DVI port and on the other end it had this connector with D and two plus signs: I need to buy an adapter from this port ...
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47 views

Video card, hdmi to 75ohm output?

I have an hp desktop pc 64 bit with Windows 7. This unit does not have a video card that I can plug into. What I would like to do is purchase a video card with audio (to plug into the mother board) ...