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

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3
votes
0answers
125 views

Youtube-DL: How to strip video information/description when converting audiofile to MP3?

This might be picky, but when I use Youtube-DL to convert audio from a video to MP3, I let it also tag the title and embed the thumbnail from the video. Somehow it adds the video description and some ...
1
vote
0answers
22 views

How to prioritize an application's network interface use?

We have a OSX.10 MacPro that runs AFP (apple file protocol) file sharing services (client version, NOT server) on a gigabit network with approximately 20 machines. A regular need is 1 or several ...
1
vote
1answer
53 views

FFmpeg - Fade in watermark only

I am trying to place a watermark.png image on a video with a fade-in effect. This is my command: ffmpeg -i input_vid.mp4 -c:v libx264 -pix_fmt yuv420p -vf movie=watermark_3.png, scale=144:31 [...
0
votes
0answers
27 views

How to stop autoload of videos in other tabs with Firefox?

Regardless of the website I am watching videos on, Firefox will play them automatically despite the setting have the setting "Don't load tabs until selected" on.
1
vote
1answer
41 views

ffmpeg increases video segments length when used with -segment_time - how to fix?

I am trying to record rtmp stream to file, splitting every 10 seconds. My ffmpeg command is: ffmpeg -i rtmp://192.168.16.82:1935 -f segment -strftime 1 -segment_time 10 -segment_format avi E:\record\...
0
votes
0answers
9 views

How to save as a Video-TS-BUP using DVDShrink

Using DVD Shrink 3.2 I compressed a video that had been converted from MP4 using ConverXtoDVD, however after it was compressed it appeared in my G drive in a format that would not play rather -by ...
0
votes
0answers
44 views

Trying to capture from 2 USB cameras with Gstreamer fails, but it works fine with VLC

Please excuse my clunky English. I need to capture video from 2 USB cameras at the same time, for a later use (computer vision related). I tried with the Gstreamer command line tool gst-launch like ...
2
votes
1answer
38 views

Is there a way to stream via hardware from a PC to a laptop not in fullscreen?

Basically I have a PC with 2 HDMI ports video card and I want to mirror my PC display image to a laptop, but I still want to be able to use this laptop. I suppose the video stream should just run in ...
6
votes
1answer
113 views

How to play a movie listening to two sound tracks simultaneously?

I have movie files with multiple audio tracks (in the MKV container). I want to watch a movie while sending one language to the speakers (for the kids) and another language to the headphones (for ...
0
votes
1answer
105 views

FFmpeg concatenate - Error while opening encoder

I have an Android application that uses ffmpeg to concatenates 2 mp4 video files (360x640) together and outputs it as one .mp4. This is my command: ffmpeg -y -i vid_1.mp4 -i vid_2.mp4 -strict ...
0
votes
1answer
54 views

Video player high CPU usage

I need to play a video file with ffplay in fullscreen mode. The original file has 720x576 resolution, my display is at 1920x1080. When I launch ffplay as ffplay "filename.avi" and upscale it by ...
0
votes
1answer
59 views

How do I combine videos and include blank space with ffmpeg?

Suppose I have a series of video files to combine with non-overlapping times: 1.mp4 [0:00-0:45] 2.mp4 [1:00-2:00] 3.mp4 [2:10-3:00] This example has three segments, but in general, there may be ...
0
votes
1answer
63 views

Apply Gamma correction in avconv or ffmpeg

I cannot adjust a video using avconv or ffmpeg with Gamma correction. I use Debian Jessie, so I first suspected that avconv was incomplete, so following this question, I built ffmpeg myself. Using ...
0
votes
1answer
78 views

Trimming and joining media files using ffmpeg

I am trying to remove a segment (00:26:00 - 00:32:30) from a video file input.mp4. Since there is no way to do that directly using ffmpeg (as far as I know), I am instead cutting the segments which I ...
0
votes
0answers
21 views

How does motion estimation work?

I am trying to understand the basics of video compression. I have found many resources addressing this particular subject, but somehow, I haven't clarified it yet on my mind. How does motion ...
2
votes
1answer
3k views

Disabling “System and compressed memory” (ntoskrnl.exe)

I am very exhausted by this. This program is destroying my computer. I have an ASUS G750 series laptop, which has 16gbs of RAM and a haswell i7 inside it. It is just a year old. I upgraded from ...
0
votes
0answers
18 views

Viewing video's on location from multiple devices

I'm not sure if i placed this question in the right community, my apologies if it's wrong. We have made video lessons that are on Youtube (and our NAS) at the moment. We want to go on location (...
1
vote
0answers
69 views

VLC Media Player Desktop Streaming Optimization

I need to stream my Desktop over HTTP using VLC Media Player. My requirement is to achieve the streaming delay less than 1s. Now I am achieving delay of about 3-5 seconds. What Options(...
0
votes
0answers
45 views

How can I get HTML5 video playback accelerated using VDPAU?

For systems that have accelerated video playback using VDPAU, how can I use this capability to accelerate playback of HTML5 videos? I know, for instance, with Firefox you can enable GPU-based ...
0
votes
0answers
29 views

Windows 10 Movies & TV: how to set the original video size

Is there a keyboard shortcut or another command to resize the window of the Windows 10 intrinsic Movies & TV app to watch the video with the scale 1:1 in it?
0
votes
1answer
34 views

Video streaming lags and creates audio buzz

To begin with, I need to state that I have actually done search on this. All I could find were various solutions that didn't apply to me, and in the end it seemed like it is very specific to ...
1
vote
1answer
16 views

Coolers in videocard

Videocard r9 380. In normal mode(surfing ) works 1 cooler on videocard. Does he need to work or no? I know, that 2 coolers turn on with 45 degrees. But I read that in normal mode coolers doesnt work. ...
1
vote
2answers
165 views

ffmpeg - trim and merge video clips without reencoding

I have two videos that I want to trim, and then merge the trimmed output. They're all the same size/codec so I'd like to do that without re-encoding too much. But if I do: ffmpeg -i clip1.mp4 -ss 1.2 ...
0
votes
0answers
34 views

Powerpoint videos don't auto-play the second time

I have created a powerpoint 2013 custom show with image links to slides with videos. I have set the videos to rewind after playing and play automatically. Whether the video finishes, and advances back ...
0
votes
1answer
159 views

Cutting and merging camera's H264 video results in corrupt file

I am not sure is the problem with the specific video or incorrect commands. I have tested with the latest ffmpeg 4/4/2016 build and older v2.8.6. The Sample.avi is recorded by a PTZ camera. To cut ...
0
votes
2answers
61 views

Windows 7 slow at opening media files

A few days ago I encountered a strange problem that since then consistently persists, I noticed that Windows 7 all of a sudden became exceptionally slow at opening video files. I haven't got the ...
2
votes
1answer
54 views

vlc command for lossless analog video capture

I want to digitize my VHS tapes using a video capture USB thingy. I wanted to use ffmpeg but sometimes it freezes recording and I haven't found a solution yet, I cannot rely on this. (See: ffmpeg ...
-1
votes
1answer
40 views

My computer is functioning very slow and entering into a 'not-responding' state often. And, after every 1/2 hour or so, it automatically restarts [closed]

My computer is functioning very slow and entering into a 'not responding' state often. And, after every 1/2 hour or so, it automatically restarts. Especially when I try to play a video (even on ...
0
votes
1answer
53 views

ffmpeg time format in filter_complex

I wanted to trim video. I mean I wanted to select few sections from one video and then concat they or mix they together! I did it. But in "filter_complex" I can not type start point time format like: ...
0
votes
0answers
58 views

Is there a way to create a video from images with Ken Burns Effect using ffmpeg?

I was able to create a simple zooming effect but couldn't do a pan and zoom using ffmpeg. Is it possible to do that? This is the code i have so far: ffmpeg -y -i image%d.jpg -r 30 -vf "scale=hd720,...
-1
votes
1answer
70 views

How far can I resize a x264 video without blurriness?

I have an x264 video at 700x400 encoded at 1400 Kbps with High Profile Level 3 which I want to play at 1366 x 768 screen resolution. How far can I change or resize the video player window without ...
0
votes
1answer
29 views

Smooth movements are jerky on my laptop's integrated screen. Any software to test it out?

I tested my new computer with multimedia and unfortunately smooth movement looks jumpy and jerky as in this video when being played in the internal monitor. This problem doesn't only affect local ...
0
votes
0answers
22 views

Play H264 stream on TV?

Is there any device that I could attach to my TV so that I could play H264 stream on it? My H264 stream is a live stream, using VLC player and a PC, I could open it by accessing: rtsp://192.168.1.168:...
0
votes
0answers
38 views

How to display incoming h264 stream?

I have a device streaming out live h264 video using RTSP (TCP). I can open the video using a PC and VLC player. To open it, I just need to access "rtsp://192.168.1.168:554/hdmi". However, now my ...
1
vote
2answers
128 views

FFMPEG: How to split a video *NOT* on a GOP boundary/Keyframe WITHOUT transcoding?

Using FFMPEG, how can you break a video up into equal length segments THAT MAY OR MAY NOT start on KeyFrames? Assuming you are familiar with the segment format and the break_non_keyframes option, ...
0
votes
0answers
67 views

fast video overlay on a png image

I am using the following code to overlay my video on a background .png file: ffmpeg -i C:\image.png -i C:\input.mp4 \ -filter_complex "[1:v][0:v]scale2ref=-1:950[ovrl][0v]; \ [0v][ovrl]overlay=x=(...
0
votes
0answers
17 views

FFmpeg - video re-encoding and remuxing

I am using FFmpeg C API to re-encode a video and to remux it (I have been following the official samples, that work after some modifications). Since I only have to process (modify) some video frames, ...
2
votes
1answer
36 views

Displayport monitor to HDMI video card

I recently purchased the following: Computer - XPS 8900 w/ NVIDIA(R) GeForce(R) GT 730 2GB DDR3 Monitor - Dell 22-inch Monitor - E2216H My issue is that the monitor has VGA and Displayport and the ...
1
vote
1answer
76 views

Automatically extract ALL audio streams from a video file into separate files?

I have a .mov video file, for which ffprobe/avprobe reports: $ avprobe -show_streams test.mov Stream #0.0(eng): Video: dvvideo, yuv420p, 720x576 [PAR 64:45 DAR 16:9], 28811 kb/s, PAR 236:162 DAR ...
0
votes
1answer
62 views

Ffmpeg lose streams while using -map 0

I had a strange issue using ffmpeg on Ubuntu 14.04. I run a command ffmpeg -i output2.avi -c:v h264 -minrate 2000k -maxrate 5000k -bufsize 2000k -profile:v high -level:v 4 -coder 1 -s 640x360 -bf 0 -...
0
votes
1answer
66 views

Windows 8.1 flickering Black Screen after update, without safe mode

I think I will pull my hair out of my head before I'll solve this problem. I decided to do an Update in my Windows 8.1, cause it wasn't updated a year already, and cause of some problems that I had ...
1
vote
0answers
14 views

How to insert multi-colored text within Vegas Pro 13?

I am trying to make a simple text frame with two different colored text segments, but I cannot seem to be able to do it. I insert the first color fine, but if I change the color for the next section ...
0
votes
0answers
14 views

Redirect a video monitor

I don't know a lot about the internet, nor video, but I thought I'd ask here anyway. I have an old Motorola video monitor that is "hard coded" to send all audio and video to the company server, ...
2
votes
2answers
46 views

Add TITLE and COMMENT metadata to .MOV video file?

In Windows 7, I load a .MOV video file in VLC Mediaplayer. In VLC, I press CTRL+I to show the Media Information dialog of this file: Media Information dialog I enter a new TITLE and a new COMMENT ...
0
votes
2answers
60 views

What happens when I display 1080p video on a x720 resolution setting?

This one puzzles me, and I'm looking for a very technical answer. Say I'm on YouTube and I chose 1080p for the video resolution. However, my screen's resolution is 1280x720. This means I'm ...
0
votes
1answer
73 views

ffmpeg: re-encode a video, keeping settings similar

I'm dealing with some mp4 videos that were encoded on mobile phones and are pretty huge. I think ffmpeg can do better. I'm trying to figure out what flags to use to preserve fps, resolution, and ...
1
vote
1answer
15 views

Estimate video size for different resolutions

I am developing a web application for a customer, basically I need to estimate the costs of storing photos/videos on AWS for our user database. I'd like to know the average size (or size range) of 1 ...
0
votes
1answer
21 views

ffmpeg fails to add subtitle to video on mac

I use this command fmpeg -i out.mp4 -i drbraun.ass -map 0 -map 1 -c:v copy -c:s mov_text out1.mp4 and get the output as the following, while the output file has no subtitles in it. I guess it might ...
0
votes
0answers
34 views

Increase buffer Video on FFmpeg

I apply the following command on FFmpeg: ./ffmpeg -re -i 'udp://237.0.0.1:1234?buffer_size=2000000&fifo_size=1000000' -vf scale=720x480 -c:v libx265 -c:a copy -f mpegts 'udp://239.0.0.1:1234?...
0
votes
0answers
62 views

'Invalid pixel format error' when converting from mj2 to ffmpeg

I've been trying to use ffmpeg to convert some mj2 files to mp4, but I can't figure out the correct flags to pass Naively, I tried things like ffmpeg -i vid_in.mj2 vid_out.mp4 but I get errors like ...