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

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5 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 ...
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0answers
52 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?
-3
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1answer
30 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 ...
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0answers
18 views

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

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, ...
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1answer
21 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 ...
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0answers
4 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 ...
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0answers
10 views

avconv: remove audio stream, keep sync

I have an AVI file with one video and three audio streams. I would like to discard two of the audio streams, keeping only one. I tried to do so using avconv (v11.3-6): avconv -i in.avi -map 0:0 -map ...
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1answer
21 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 ...
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1answer
28 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 ...
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0answers
14 views

What video player will speed up, slow down, & play backwards on the fly? [on hold]

VLC lets you increase and decrease the playback speed of a video, but doesn't support backwards playback. Is there such a video player? (and does it run on linux?)
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0answers
12 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 ...
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0answers
15 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. ...
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2answers
46 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 ...
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0answers
17 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?
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0answers
13 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 ...
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0answers
11 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, ...
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1answer
16 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 ...
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2answers
60 views

Why won't 720p YouTube videos play without chopping on my computer?

Note that this is a YouTube specific issue and I can play some HD videos on a program called Pot Player with almost no lag at all. My specs are: CPU: 1.0 GHz Atom N270 GPU: Intel GMA 950 GPU RAM: ...
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0answers
6 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 ...
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1answer
13 views

Open video from Firefox in VLC [on hold]

I'm probably missing something but is there any extension or [user]script to open a videostream from a page in VLC? I mean, it's pretty easy to do that manually (locate a stream's url in Page Info ...
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0answers
20 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 ...
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0answers
29 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 ...
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1answer
37 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 ...
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0answers
11 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 ...
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2answers
50 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 ...
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1answer
15 views

Do filtergraphs copy audio streams by default in FFMpeg?

I 've got the following command in FFMpeg: ffmpeg -i file_input.mp4 -filter_complex split=2[i1][i2];[i1]scale=trunc(oh*a/2)*2:480[o1];[i2]scale=trunc(oh*a/2)*2:640[o2] -map [o1] -map 0:a -pix_fmt ...
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0answers
7 views

LAV filters and Audio Processor Replacement?

I want to watch videos but I don't care about video quality, only audio. But for certain reasons (please don't ask), I don't want to install or register filters onto windows (for example an .ax file) ...
3
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0answers
24 views

Why do video players affect my GPU overclock?

I have a Sapphire Vapor-X Radeon HD7950 OC edition graphics card. It runs at 850 MHz using the regular BIOS and at 950 MHz using the Boost BIOS. I'm using the Boost BIOS. When computer boots, the ...
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3answers
55 views

Can I safely replace a CRT monitor running at (1024x768) with a 21" TFT (1920x1080) HD monitor?

My archaic CRT monitor has a resolution of 1024x768. My GPU is an Intel 82945g chipset, CPU is P4, 1GB RAM running Windows XP. I want to replace the CRT with a TFT which comes with 1366x768 ...
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0answers
11 views

How to set default video playback resolution on Google+? [migrated]

I've been using google plus to host and share videos lately and I really like it. Unfortunately when I click to play back a video it defaults to 360p when 720p is available. Is there some way to set ...
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0answers
30 views

FFmpeg - Possible to scrub in FFplay window using lavfi?

After some help on here earlier today, I'm able to get to FFplay to render a video with some filters using lavfi. Here is an example of a simplified working command: ffplay -f lavfi ...
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1answer
26 views

Weird sound problems cropped up on Ubuntu 14.04

Please help! Today I was trying to edit some home video with KDENLive and when I'd try to preview my videos, they'd play for about a second then lock up the program. In troubleshooting, I ...
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0answers
14 views

What is the difference between Burning via Data Size over Time Duration

Assume i have 2 Video Files, both 20 minutes long, both same format. one is 2 GB (File A) and one is 200 MB (File B) because it's been heavily compressed. Now if i remember correctly i can burn 120 ...
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1answer
56 views

Horrible Problems With 4K Video

Windows 7 is having a real issue with the 4k Video files I have. When I right click > properties > details, the frame height and width doesn't exist. Windows media player will only play audio, and ...
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2answers
140 views

Only 360p on Youtube with HTML5

I recently read that Firefox improved it's HTML5 video support, so I thought I gave it a go again, because I am not a fan of Flash. It works fairly well, but unfortunately the videos are limited to ...
1
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1answer
37 views

Videos on YouTube and Windows Media Player are oversaturated; have too much contrast

When I play videos on Youtube in minimum screen or middle-sized, videos are normal. However when I play them in fullscreen the video is oversaturated (has too much contrast and light). The same ...
1
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1answer
28 views

ffmpeg using -re and -ss together

I'm using ffmpeg to livestream a video file to an RTMP server. I'm using the -re option to ensure the video is streamed at the proper rate to the live source. Occasionally I want to stream the video ...
1
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1answer
17 views

Stop screen changing when using HDMI Switch on PC?

I have a HDMI Switch which has both my Xbox and PC going into it. I also have another screen which is only my PC on DVI When I use my PC I use the dual screen setup and it works fine However when I ...
2
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0answers
22 views

irfanview show .mov videos in main window

I'm using irfanview as my main image viewer, however I'm a bit annoyed by the fact that .mov files (from my smartphone) are played in an external window (either quicktime or the other external video ...
0
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0answers
10 views

Show video from Motion on lcd display Raspberry Pi

I use Motion service on my RPi to collect video from webcam in my garden. Also, I heard a lot about lcd for Raspberry. Is there any way to show on lcd connected to computer video from webcam? Thanks ...
2
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1answer
38 views

ffplay - Unable to Find File Using lavfi [duplicate]

I'm having some trouble using lavfi within ffplay to apply filters. I'm simply trying to pad one video, and overlay another video within the padded area. My command and console output is as follows: ...
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0answers
30 views

FFMPEG: Windows binaries with globbing (libavformat) support?

I am struggling to get ffmpeg to combine a bunch of images in to a video which have a format with a full 17 digit timestamp. 17 digits is well beyond what -i %d will support. So I want to use ...
0
votes
1answer
26 views

Linux — How can I run a script after a video has finished playing?

I want to add the default emblem to videos I've finished watching. Any straightforward, non-manual way to run a script if and exactly if a video has finished playing? Can be for any linux ...
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1answer
16 views

Media Player Classic plays everything stretched/zoomed

The program sudenly started playing all videos very stretched or zoomed, not even changing the pan/scan, zoom and the like works. I re-installed my video drivers, CCCP and MPC-HC. But it persists. The ...
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0answers
345 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 ...
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1answer
23 views

How to find link between /dev/video and lsusb output

Linux exposes camera interfaces at /dev/video* but that interface doesn't describe the make/model of the camera. Meanwhile, lsusb reports the make/model of all USB devices, including the cameras, but ...
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2answers
58 views

Watch TV shows so that I can continue where I left off [closed]

I have several TV shows or series on my harddrive such that folder one contains all of the West Wing TV series and folder two contains all of the Simpsons TV shows and folder three contains all of the ...
0
votes
1answer
65 views

FFmpeg - Apply blur over face

I'm trying to blur a portion of a video using FFmpeg (specifically to blur a face). I have been trying to use a combination of timeline editing and the various bluring filters, but I cannot find a ...
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0answers
23 views

Change aspect ratio (16:9 to 4:3) and zoom in particular side

I have some video that have been altered during conversion process. It was initially 4:3 but it was damaged, so now they are widescreen. But if I convert it to 4:3 I need to stretch it out ...
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0answers
23 views

ffmpeg scaling input video converting it from mov to mp4 and watermarking in the center

I'd like to scale videos comming from my DSLR with ffmpeg to a resolution of 960x540, then convert the container from mov to mp4 and after all of these things I'd like to watermark that video by ...