Questions about video editing, streaming, conversion, capturing or video output. Use a more specific tag if possible.

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0
votes
0answers
19 views

Blur or hide screen portion during realtime presentation

I am about to present my project tomorrow. Demonstrating the project involves showing account name to certain game, as my project manipulates that games launcher. Basically, I am about to present what ...
0
votes
1answer
1k views

FFMPEG “Past duration 0.xxxxxx too large”

I'm recording an HLS streaming and I would like to save in a FLV Container. My ffmpeg's cmd is: /.../recorder/class/ffmpeg-2.6.1-32bit-static/./ffmpeg -i http://server/url/playlist.m3u8 -b:a 128K ...
0
votes
2answers
15k views

Video not filling the screen in XBMC

I have XBMC running on a win 7 machine and I can't get it to totally fill the screen. There is always, on all media files, black bars on all four sides. any idea what I can try?
1
vote
1answer
125 views

What do I need for VLC to play mp4 video?

I'm trying to set up a Raspberry Pi as a media box that can stream from torrents using Peerflix. To test, I've set up a local tracker and one torrent containing an mp4 video. Peerflix is working ...
22
votes
7answers
13k views

How can I disable HTML5 content in popular browsers like Firefox and Chrome?

The bad thing about Flash video was that it required a third-party plugin to play the content. The good thing was I could select which content to play; using the click-to-play feature in Firefox and ...
0
votes
2answers
280 views

Concatinating mp4 files to a single mp4 file

I have some mp4 video files with me and i need to concatenate them one by one and make a single MP4 video file. I came to know about FFMPEG through which we can concat files. I tried doing ffmpeg ...
2
votes
0answers
24 views

Any empirical length limits or caveats about MP4's of 7400 seconds?

I was investigating a curious issue I have with the playback of certain MP4 files on my BluRay player; in particular, it seemed files over two hours simply would not play (player locked up). As I ...
0
votes
1answer
45 views

Skip parts of video while converting it to images with ffmpeg

I use this command on ffmpeg to convert a video into images: ffmpeg -i video.mp4 -q:v 1 -r 1 -f image2 frame-03d%.jpg What I want to do is to skip the first x seconds and the last y seconds of the ...
1
vote
0answers
48 views

How do I play video that can speed up, slow down, & play backwards?

I have the problem of needing to play a video while being able to arbitrarily increase or decrease the playback speed, as well as being able to have negative playback speeds (watching the video ...
0
votes
0answers
25 views

Video Codec Problems

I have been having a problem with a file with the PRDY and undf video codecs. Is there any way to open them? thanks Brett 2010 iMac VLC version 2.2.1
4
votes
2answers
5k views

Solutions for videos and subtitles in Mac OS X

What is the best way to merge a .srt subtitles file with a Movie, and have it subtitled online. I have a mp4 file and I've already made the subtitles in a .srt file. I've used the SubMerge software, ...
0
votes
0answers
42 views

Issues streaming movies with VLC from my debian server

I am trying to stream movies from my linux server that I connect to via SSH. I go to VLC and networking and I use SFTP to get to my server and my file. ...
7
votes
4answers
3k views

Automatically split large .mov video files into smaller files at black frames (scene changes)?

I have 65 .mov video files named tape_01.mov, tape_02.mov, ..., tape_65.mov. Each is about 2.5 hours long and takes up many gigabytes. They are digital copies of what were VHS tapes (my family's ...
0
votes
1answer
57 views

Prevent Blur in Gameplay .mov

So I've been uploading videos of Hyrule Total War onto Youtube, but keep experiencing a bunch of blurring of my video when I move the camera. After recording in FRAPS, the raw footage looks perfect, ...
4
votes
1answer
664 views

How can I convert an m4v video to a widely viewable format using ffmpeg?

I have a m4v video generated by iMovie. I want to use ffmpeg to generate a widely viewable video on Windows. I cannot assume that the viewer will have VLC (or any other sophisticated viewer). It needs ...
0
votes
1answer
83 views

How to preselect audio tracks in VLC when the language name is not in the track name?

I have a number of videos that have been provided to me in multiple languages. Unfortunately the first track is in Spanish and the second track is in English. These audio tracks simply named Track 1 ...
0
votes
1answer
52 views

FFmpeg – Keep original video orientation

I'm converting 3gp video to mp4 format and that is working. But I have one issue: original video orientation is not kept. I know about rotate, flip and other commands, but I'm converting video ...
0
votes
1answer
3k views

YouTube video turns black after few seconds

I am trying to watch YouTube videos, but after a few seconds the video area turns black even though it keeps on playing. Any tips why? I use latest Chrome on Windows 7, and a Lenovo Thinkpad.
1
vote
2answers
2k views

Jagged edges on HD HTML5 videos

For some reason, videos which have higher resolution than my monitor end up having jagged edges on HTML5 videos (on Vimeo, YouTube etc.). This does not seem to occur if the video is being played ...
2
votes
1answer
717 views

Audio out of sync in multiple parts of one video, how to fix?

I have a video which has various audio out of sync at different times. For example, from 2:00 to 4:30, the audio delay is 6 seconds, and 3:00 to 6:00, the audio delay is 8 seconds & 38 min ti 42 ...
0
votes
0answers
73 views

FFmpeg - Transcode video and keep original EXIF metadata in the transcoded file?

I am trying to transcode a video from a .mov (recorded with the iPhone) and add the original metadata (EXIF) to transcoded file, how can I achieve that? The original video contains EXIF metadata, etc. ...
14
votes
3answers
14k views

How to create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG

How can I create an uncompressed AVI from a series of 1000's of PNG images using FFMPEG? I used this command to convert an input.avi file to a series of PNG frames: ffmpeg -y -i input.avi -an ...
1
vote
1answer
224 views

What specs should I consider for playing/streaming 4K to 8K video perfectly? [closed]

I am buying a massive, 4K screen, and might consider one closer to 8K instead. Since these screens are very capable of rendering the full brink of every pixel sent to it by a powerful GPU, what specs, ...
0
votes
0answers
28 views

Enabling fullscreen on videos goes to secondary monitor

For some reason when I try to go fullscreen while watching videos (HTML5 and Flash), it always initially goes fullscreen on my secondary monitor. When I undo the fullscreen and move the monitor back ...
-2
votes
1answer
84 views

Analyzing h264 100GB video stream

I have a big file, an h264 stream video of a CCTV. I analyze this file with ffprobe and the result is this: [h264 @ 0000000002d24480] no frame! [h264 @ 0000000002d24480] non-existing PPS 0 referenced ...
0
votes
1answer
1k 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 not ...
0
votes
1answer
97 views

ffmpeg changes audio bitrate when transcoding from MKV to FLV

I have one file - sample.mkv ========================================================= File: sample.mkv Width: 854 pixels Height: 480 pixels Aspect ...
0
votes
1answer
360 views

Running vlc qt4 interface with Bumblebee on Debian

I am running Debian Jessie on a laptop with 2 video cards. I use Bumblebee to switch between cards. The optirun command initializes a new x server, that runs on the faster but more power consuming ...
1
vote
1answer
44 views

Segmenting video to X seconds parts with ffmpeg

I have one video with duration of one minute and 35 seconds. I am able to split it into multiple 30 second segments (I am fully aware of other ways to split a video but chose this for a particular ...
2
votes
5answers
10k views

How to play a folders worth of music/video in VLC media player

In VLC media player, I can use vlc -LZ <file 1> <file 2> <file 3> for example to play various files on repeat and shuffled. Is it possible to specify a whole directory and play all ...
0
votes
0answers
22 views

MPlayer Extended rev. 15 won't play some video_ts files under OS X

My MPlayer Extended rev. 15 won't play some video_ts files under OS X. I put in one DVD which played fine when I opened the video_ts file, but it isn't working for any of my other dvds. I open the ...
0
votes
1answer
71 views

How to play an original dvd (.vob file) in VLC?

When I play an original DVD in VLC, it does not play properly. i.e. it sticks too much, while on the other hand it plays smoothly in Windows Media Player (though it doesn't allow seeking). The video ...
2
votes
2answers
213 views

What is the CORRECT way to fix keyframes in FFMPEG for DASH?

When conditioning a stream for DASH playback, random access points must be at the exact same source stream time in all streams. The usual way to do this is to force a fixed frame rate and fixed GOP ...
4
votes
1answer
8k 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 ...
0
votes
0answers
17 views

Video shows a short length but contains a hour of content based on the file size. Can FFMPEG see past the error?

I have a 3 hour file that I shot... the file size is consistent with that length (100 gigs)... but when i play the file it only plays the first 12 min. VLC player says the file is 3 hours but only ...
2
votes
5answers
80k views

Can’t play Vine/Instagram videos in Chrome

I installed Chrome because I have a new laptop. But now when I want to play Vine/Instagram videos, it doesn’t display them—I only get the sound. These videos are .mp4 I guess. What could be the ...
0
votes
1answer
247 views

How can I merge ordered chapters in MKVs?

I've got a lot of videos with the opening and endings cut out from each episode. They use ordered chapters and quite a few players do not play nice with these. I would like to merge them into a file. ...
0
votes
0answers
115 views

FFMPEG / libx264: How to specify a variable frame rate but with a maximum?

Instead of providing a fixed frame rate to FFMPEG/libx264 (-r/-framerate), I would like to specify a variable frame rate with a MAXIMUM value, and allow libx264 to down the frame rate as it sees fit. ...
1
vote
0answers
19 views

FFMPEG set a upper limit to bitrate only a a interval of video

How i can define a variable bitrate from 500k to 1024k between 0~1min30, between 1min30~3min up it to 2048 to 4096 and from 3min until end down it to 500~1024 again?
0
votes
0answers
40 views

How to record video into circular buffer?

I want to build low cost IP camera with storage out of webcam, OpenWRT router and flash drive (or probably hard drive). It's not difficult to do, but I would like to store like last 24 hours, ...
0
votes
0answers
16 views

Play 2 media files synchronously with one set of controls for both

I have 2 media files: Video+(2x)audio (Movie). Audio (Commentary). Commentary audio track starts with an offset before the movie starts.* I need to be able to(simultaneously): See the video ...
0
votes
1answer
18 views

Corrupt video file - HEX trails off to zeors

Have an mp4 mov file that is 3.32GB and should be 5+ min long. Filmed with GH4 cam. The file is on the computer and the SD card cannot be restored because it was formatted and used about 20 times ...
0
votes
0answers
20 views

avconv - how to use two input files for transcoding to maximize quality

Let's say I have two video files encoded in lossy formats, for instance sample.mp4 (H.264) and sample.265 (H.265). Now I want to transcode to sample.webm (VP8). We all know transcoding degrades video ...
14
votes
2answers
140k views

Cropping videos in Windows Live Movie Maker

I want to crop (as in, take a subset of each frame, like when you crop a photo) a video in Windows Live Movie maker. Is there a way to do this, and failing that is there another free tool i can use to ...
1
vote
0answers
73 views

Live TV streaming with Tvheadend works fine on laptop, but not on home server

I have a DVB-T TV tuner USB dongle (Afatech AF9013/AF9015) which I'm using in conjunction with the latest version of Tvheadened and the latest stable build of Kodi. I ultimately want my small home ...
0
votes
0answers
114 views

How to change scan type / field order in video's metadata?

VLC plays my 50i H.264 MOV incorrectly when I try to do Deinterlace = on and Deinterlace mode = Yadif 2x. The video is jumpy like crazy. Looks like it's detecting the field order incorrectly. So what ...
0
votes
1answer
123 views

ffmpeg: Highest quality 50i to 50p conversion, comparable to Adobe Premiere

I have 50i footage (more specifically tagged as 25 fps but does contain movement on the secondary fields). I am able to get pretty good quality conversion to 50p from Adobe Premiere by simply ...
5
votes
2answers
14k views

How to cast Skype audio to TV from Nexus 7 via Chromecast?

I just unwrapped and plugged in my new Chromecast dongle. Owning a Samsung Smart TV with DLNA, it covers most of the Chromecast capabilities anyway, but I wanted wireless means to mirror my Nexus 7 ...
0
votes
0answers
25 views

Videos doubled in frame when uploaded to YouTube with Cyberlink Power Director 13

When I upload a video to YouTube from Cyberlink Power Director 13 it shows up doubled; two videos placed side-by-side in the same video. It has happened with the last two I uploaded. I upload in full ...
3
votes
2answers
60 views

What’s the best way to connect 12 different SSDs—each already containing non-formatable, unique data—to my editing workstation?

We have a HP Z840 Windows 7 PC for video editing. Recently we recorded 4K video onto 24 SSD drives in the 4K Pro Res 422 format. We need to connect up to 12 of these SSDs (12 cameras, with 1 drive ...