0
votes
0answers
9 views

How to split an MPEG-2 video stream accurately?

I got a NTSC DVD iso image, and the video stream was encoded to H.262/MPEG-2 format,but there are two chapters located in three seperated .vob files, the film in the first chapter has been processed ...
0
votes
0answers
36 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 ...
0
votes
0answers
16 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 ...
0
votes
2answers
21 views

ffmpeg add audio but keep video length the same (not -shortest)

I'm adding audio to a video file using ffmpeg like so ffmpeg -i videofile.mp4 -i audiofile.wav output.mp4 However this extends the output video file to be the length of the audio file if it is ...
1
vote
1answer
11 views

How to make the cygwin fontconfig package inherit Windows fonts?

I'm using a cygwin64 build of ffmpeg (1, 2) to burn subtitles into a video file as follows: $ ffmpeg -i file.mp4 -vf subtitles=file.srt file.ts ffmpeg version 1.2.3 Copyright (c) 2000-2013 the FFmpeg ...
1
vote
1answer
29 views

How to remove fisheye from videos on Ubuntu

I have some videos I have taken using a head-mounted video-camera. The camera records the videos with a 'fisheye' effect. How do I remove it?
0
votes
0answers
23 views

How to save udp stream to .ts files whith ffmpeg while keeping timestamp?

I need to record a live udp stream containing multiple TV programs ( up to 30 ) to .ts files .To do so i'm using FFMPEG . I have a muxer at work , but i dont go there everyday so im using a sample ...
0
votes
1answer
36 views

Ffmpeg drawtext on top of scaled video regardless of image size

I am making a video from single image using ffmpeg and draw text on top of the video. How can I drawtext that will overlay on top of the scaled video size instead of the image scale? Right now when ...
0
votes
1answer
26 views

ffmpeg video with single image and drawtext failed, -loop causes short freeze

I am trying to create a video from single image and add a text on top. Command on Ubuntu: ffmpeg -loop 1 -r 1 -i image.jpg -b:v 1M -vf scale=320:240 ...
0
votes
1answer
19 views

Putting a lower bitrate of my video stream in my current mp4 container

What I have is an MP4 movie with a video stream and an audio stream. What I want in the output is an MP4 file containing: the same video stream the same audio stream the same video stream with a ...
0
votes
0answers
11 views

Ffmpeg not copying location metadata

I'm converting vidoes and even though I"m using -map_metadata 0 ffmpeg -i input.mp4 -map_metadata 0 output.mp4 The above code defaults to libx264/libvo_aacenc. The location metadata is not copied, ...
0
votes
2answers
28 views

Split MKV based on Chapters

I have a long MKV file which I want to split into its individual chapters. Running ffmpeg -i long.mkv gives me all the information about the chapters embedded in the file: Duration: 01:23:45.80, ...
1
vote
1answer
27 views

How to start watermark video when it appears?

This is my scenario: I want to add a watermark video in other video, but I want that the watermark starts when it appears. Actually I'm able to display a watermark video and playing it from the ...
0
votes
1answer
26 views

ffmpeg: Adding Drawtext timecode & Watermark with -filter_complex, Stream Matching

I am trying to add the timecode with drawtext and put a logo with ffmpeg. The command line looks like this: ffmpeg -i INPUT.MP4 -i logo.png / -filter_complex ...
0
votes
1answer
23 views

Issue in converting the video

I'm trying to convert a video of configuration 1080p-Resolution; 18Mps-video bitrate; 30fps to 1080p; 18Mps; 60fps using ffmpeg on windows platform. I use the command: ffmpeg -i input.avi -r 60 ...
0
votes
0answers
47 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 ...
0
votes
0answers
36 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 ...
0
votes
0answers
53 views

How to bypass problems when trying to spoof a webcam in Linux

I am wanting to spoof my webcam, so I can eventually insert the method in to a pen-testing book that I am writing. This could possibly lead me into to building a program that is better than ...
0
votes
0answers
30 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
votes
1answer
74 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 ...
0
votes
0answers
98 views

ffmpeg extract subtitles with unknown codec

I'm writing a program which extracts images and GPS coordinates from files that were created by car video recorder. In many models it creates two separate files Video and GPS but not all, some ...
0
votes
0answers
138 views

What does the FFmpeg warning “Missing picture in access unit with size x” mean?

I've recently updated to the most recent version of ffmpeg and now everytime I edit a flv, I always get endless warnings: [Null @ 002de180] Missing Missing picture in access unit with size xxxx ...
0
votes
1answer
44 views

Multiple Ffmpeg instances choking up the CPU to 100%

I have a task to record timelapse videos from multiple IP-cameras (e.g. camera1.mp4, camera2.mp4, camera#.mp4,etc.). Currently i am running separate ffmpeg.exe instances simultaneously on an MS Azure ...
0
votes
0answers
66 views

ffmpeg - how to create 5 second video zooming out effect with 1 image

I know how to make 5 second video "zooming in" effect with 1 image using zoompan. ffmpeg -loop 1 -i image1.jpg -vf "zoompan=z='min(zoom+0.0015,1.5)':d=125" -c:v libx264 -t 5 -s "800x450" zoomin.mp4 ...
0
votes
1answer
42 views

ffmpeg edit avi metadata and audio track naming

I have a bunch of movies in avi format on my disk. However, they don't contain any metadata like title etc. I found a command which would do it for me : ffmpeg -i input.avi -metadata ...
1
vote
0answers
89 views

FFmpeg Upscaling Video

First I just want to say a bit more about my title, I am not referring to the fact that upscaling doesnt add data(as often asked when upscaling) - but something different. Example I have raw video ...
1
vote
0answers
28 views

Is there multiple types of transitions in ffmpeg while merging two or more videos?

I have 3 video files. I am using ffmpeg library to merge them all. While merging them right now I am using fade In/Out transitions only. I want to enhance that feature in my site, can I do ...
1
vote
1answer
161 views

crossfade between 2 videos using ffmpeg

I've been trying to achieve a crossfade transition between 2 video clips using ffmpeg but have failed so far. I'm new to ffmpeg and am mostly relying on tweaking what I can find in the documentation ...
0
votes
0answers
14 views

Video orientation flag reset or disabling it on youtube [duplicate]

I've recorded a video on my smartphone (android-based). I've been recording it in a landscape mode. Then when I uploaded it on youtube - it somehow recognized the original orientation and made it to ...
1
vote
0answers
59 views

FFMPEG create zoompan shaky or jittery

I want to create 5 second mp4 video from 1 image. When I use below code the video is smooth. Default direction is zoom in to top left. ffmpeg -loop 1 -i prop1.jpeg -vf ...
0
votes
0answers
46 views

ffmpeg - cannot fade to white in x264

I have a directory full of images that I am converting into a video using ffmpeg. The first frame is a black title frame that fades/morphs into the first video frame, with a 5-frame morph. I do ...
0
votes
1answer
153 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 ...
2
votes
0answers
131 views

How to merge MP4 files with different bitrates?

I want to merge two or three MP4 videos with MPEG-4 AVC video codec and MP3 (sometimes MP3 Surround) audio codecs. Both audio and video can have different bitrate. If it will be possible, without ...
0
votes
1answer
62 views

Using a screen capture program (ffmpeg with uscreencapture in my case) to record a Flash video playing on screen

I'm trying to capture my desktop, precisely a full screen video - think "YouTube video on full screen situation", or if you'd record a programme on iPlayer (or any other content deliverer) - what ...
1
vote
0answers
25 views

How can I select the most “steady” frames from a video with ffmpeg, where less motion occurs?

I would like to use ffmpeg to select out frames from a video to make a preview picture. In the past I selected out frames manually: I extracted 1000 frames at equidistant time and then I picked out ...
0
votes
1answer
38 views

Fast-Play 1 Hr. Video (with Audio stream) in 2 min

For a Research Project in brain and cognition we need to show the subjects 1Hr. videos in 2 mins. I understand there is a function in most media players out there to speed up the video. But I'm not ...
0
votes
0answers
58 views

Converting RAW Blackmagic Intensity Card frames

I am trying to convert raw video frames that I have captured using a Blackmagic Design Intensity card. The output frames are of the format: YCbCr 4:2:2 packed 8 Bit UYVY Abekas How can I convert ...
1
vote
1answer
89 views

Is it possible to autocrop black borders of a video with ffmpeg?

I think it has a "blackness" video filter, which can determine if a picture sequence is black. Maybe it also has a filter to determine crop values automatically to remove black borders form edges of a ...
0
votes
1answer
31 views

How to replace part of audio in a video using the command line?

Part of a recorded audio contains sensitive information. I want to remove that information while keeping the video and rest of the audio intact. Ideally using command line and being able to exactly ...
1
vote
0answers
34 views

How to check .mp4 file is corrupted or not.

I am recording two different videos in the .mp4 format using ffmpeg command and after that combining them. But sometimes one of the video is get corrupted because of that it will affecting on the ...
0
votes
0answers
37 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 ...
0
votes
1answer
74 views

MPEG-TS playback with MPlayer: current timestamp and duration are wrong

Recently I have been playing a lot of MPEG-TS videos on MPlayer. The sources of the videos are unclear to me, so I have no idea of with which software these TS videos were created. The problem is ...
0
votes
0answers
233 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 ...
2
votes
1answer
68 views

Automated conversion of .dvdmedia(VOBs) to format Plex can handle on a Mac?

I'm super impressed by Plex, and I'd like to convert all my old dvdmedia files into a format that it can understand. I have quite a few of them (the product of a dvd library being ripped to work with ...
0
votes
0answers
50 views

Concatenate video files with mute audio

I am using FFmpeg commands to concatenate five video files. One of the files has only video, no audio. When I concatenate the files, the video is stitched properly but I have a problem with audio: the ...
0
votes
0answers
77 views

Motion - debian 7.5 cannot record movie with ffmpeg

Description I'm running the motion 3.2.12 standard package on debian 75 (wheezy). Motions are detected, events triggered and pictures save in the correct folder as awaited. On the other side, motion ...
0
votes
0answers
10 views

No audio with :start-time

Using the :start-time (or --start-time) option with VLC on the command line usually causes no audio to be played. There seem to be "sweet spots" where it does -- e.g. vlc foo.mkv :start-time=601 ...
1
vote
0answers
29 views

Upscale any video-size while concatting multiple videos in ffmpeg

I already asked this question at Stack-Overflow, but they said I should post it here, so here it is: I looked for 2 hours through the documentation, but I couldn't figure it out. I currently write a ...
0
votes
0answers
28 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 ...
0
votes
0answers
80 views

DEBIAN / MOTION / FFMPEG not compliant - can't get up to date versions working together

Goals I'm running debian 7.5 (wheezy). In a previous post I described the problem I faced with motion 3.2.12 usage (Avcodec opening fails). To move forward I want to compile the same motion version ...