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

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50 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
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1answer
45 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 ...
0
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1answer
56 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 ...
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13 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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11 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
25 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 ...
2
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1answer
96 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 ...
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90 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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1answer
76 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 ...
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84 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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57 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 ...
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1answer
120 views

Edit “Media Duration” metadata on MP4 file

I have some video files which were converted to MP4, but not quite correctly. When I examine one with exiftool, I see these metadata values: Duration : 0:11:23 Track Duration ...
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0answers
197 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 ...
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0answers
192 views

FFmpeg: m2ts -> MKV/AVI/MP4 w/ tri-audio and subtitles

I have a 1080p m2ts file with three audio tracks and a subtitle track. I'd like to convert it to a 720p MKV, or really any format at all, while retaining all three audio tracks along with the subtitle ...
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0answers
111 views

HDMI “Video Over IP” hardware

I am interested in using my wireless home network to live-stream video sources such as DVDs, my Raspberry Pi or anything else that is connected to my home receiver. I would like to then send this ...
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0answers
73 views

How to concatenate MP4 files without losing embedded subtitle or audio tracks?

I have two MP4 files (mediainfo below), one is a short intro scene, and the other is the primary feature. Now, the primary video contains several audio tracks and embedded subtitles. I want to simply ...
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39 views

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" ...
0
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1answer
162 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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0answers
20 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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0answers
77 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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232 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
196 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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3answers
1k 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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0answers
98 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 ...
0
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1answer
299 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 ...
0
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1answer
103 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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0answers
130 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 ...
0
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1answer
185 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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69 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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0answers
486 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
455 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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0answers
41 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 ...
1
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1answer
230 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 ...
2
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1answer
57 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 ...
2
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1answer
718 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 ...
0
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1answer
578 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
517 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
477 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 ...
0
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1answer
68 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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0answers
37 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. ...
0
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1answer
636 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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1answer
458 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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0answers
792 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
204 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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0answers
66 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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0answers
696 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 ...
2
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1answer
199 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 ...
0
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1answer
374 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
292 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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0answers
110 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 ...