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

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8
votes
4answers
27k views

VLC volume only to 200%?

According to this comment it seems that VLC could boost the audio volume up to 800% in the past versions. Today I installed VLC multimedia player version 2.0.5 and it is capable only to boost up to ...
0
votes
1answer
29 views

Corrupted video drivers causing x to go insane

I think X is borked. It's been working for months, then suddenly: There's an extra, immobile mouse cursor stuck on the screen. CTRL + ALT + Fn doesn't work. The screen stops responding, but I can ...
2
votes
2answers
927 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. ...
12
votes
4answers
87k views
0
votes
1answer
363 views

ffmpeg: packaging H264@MPEGTS into Smooth Streaming

I have a (quite large) set of files that is all H264 in an MPEG TS container. Due to time constraints I need to repackage this content into smooth streaming without transcoding it (transcoding would ...
2
votes
1answer
448 views

Merge two videos with transparency in ffmpeg

I have two videos merged into one file using below command. Unfortunately second video covers first video and it is not visible. How to make second video transparent (eg. 50%)? ffmpeg -i in1.mp4 -...
1
vote
1answer
16 views

FFMPEG Crossfade videos changes video resolution

I am currently using the command from this question to crossfade two videos: crossfade between 2 videos using ffmpeg My command: ffmpeg -i firstVideo.mp4 -i secondVideo.mp4 -f lavfi -i color=black -...
0
votes
2answers
14 views

How to measure latency on wireless network, while 4 users are on Webex session?

Users are complaining that Webex session [4-5 users] on a wireless network has bad quality. How to measure packet loss and document what causes the bad reception? Thanks.
0
votes
0answers
59 views

Video plays upside down only in VLC media player

I seem to have an issue that is exactly the opposite of that of many other users with upside down video's. The usual problem is that video players like Windows media player, quicktime or others play ...
0
votes
1answer
62 views

ffmpeg slow motion video with audio

I am able to do slow motion video using following command (found this at How to use slow motion effect in a specific time interval with ffmpeg): ffmpeg -i input.mkv -filter_complex \ "[0:v]trim=0:10,...
1
vote
1answer
65 views

What are the factors that affects a video's quality?

I am new to this website and this is my first question, really appreciate if someone can provide some advice about my current problem. I've been testing some videos on my computer to see at what ...
0
votes
1answer
25 views

ffmpeg audio duration increase using atrim

I have video of duration 10 secs and with the help of following command i can trim and then concatenate it using following command: Video ffmpeg -y -i test_video.mp4 -filter_complex \ "[0:v]split=3[...
0
votes
1answer
33 views

ffmpeg filter_complex chaining video streams (watermark then trim and join)

I am trying to add watermark and then trim specific part and at last join these by following command: ffmpeg -y -i test_video.mp4 -filter_complex \ "[0:v]drawtext=fontfile=Lato-light.ttf:text='test':...
0
votes
1answer
61 views

Encode h264 with FFMPEG that works across all browsers and devices (windows/mac/iOs/Android)

I want to encode images with FFMPEG to a h264 video file that will work on Windows Browsers and Mac Browsers and iOS / Android devices to display in HTML5. Is there a way to do that using one encoded ...
0
votes
0answers
15 views

VNC connection without video

I'd like to use the VNC protocol to remotize keyboard and mouse only, that is just like a regular VNC session but without the video. Typical usage scenario could be controlling a PA video system, a ...
0
votes
0answers
7 views

Repair Gopro files

I read a couple of place that i am not the only person who this trouble occurs. 1 time on 5 my video are corrupted on my gopro. It's always appen if my gopro miss battery, so my video file as seen not ...
0
votes
0answers
14 views

TS videos joined with a wrong duration

I have downloaded from dailymotion a movie of 3 parts with internet download manager, I get the 3 parts as TS files. I wanted to integrate a subtitle '.str' file to the movie so I joined the 3 parts ...
0
votes
1answer
174 views

ffmpeg crossfading multiple images

I am trying to cross-fade multiple images. I found some helpful piece of code in this superuser thread. So far I am stuck at this point: ffmpeg -loop 1 -i img0.jpg -loop 1 -i img1.jpg -i img2.jpg -f ...
4
votes
2answers
4k views

Create video with 5 images with fadeIn/out effect in ffmpeg

With 5 images I have to create a video of 60 seconds in ffmpeg, each image has to display for 15 seconds. after 15 seconds, first image has to fade out and 2nd image has to fade in, after that 2nd ...
-1
votes
2answers
431 views

HD Pro Webcam C920 video choppy on new Win 10 PC using any software other than Logitech Webcam Software

I have a brand new Windows 10 PC with tons of memory and a fast solid state hard drive. I have a Logitech HD Pro C920 Webcam. It works fine only when using Logitech Webcam Software. But that ...
0
votes
0answers
27 views

An issue of merging multiple MP4 video

I am Windows user. I have about 300 .mp4 video from my XIaomi YI action camera. A duration of each file is about 2-50 seconds. I need to merge them into 1-3 file(s). I have tried about 12 video ...
1
vote
1answer
2k views

Dell Vostro 3350 cannot detect second video card

Ive got a dell vostro laptop that was offered to me some time ago. I decided to format it and since its a relatively new model i didnt think about saving/checking drivers beforehand. Ive installed ...
1
vote
1answer
79 views

VLC Desktop mode spanning multiple monitors

I have recently found out that VLC had a desktop mode and well i saw that some people was using this to have the ISS Livestream as their desktop background. VLC was started inside Desktop Mode and ...
0
votes
1answer
61 views

Making pair of two YUV videos (side by side) using FFmpeg

I am trying to make a pair of 2 videos (side by side) with a 10px white border seperator. I used the following FFmpeg command, ffmpeg -i left.yuv -i right.yuv -filter_complex "[0:v:0]pad=iw*2:ih:...
0
votes
0answers
77 views

All audio/video is stuttering

I am running Windows 10 Pro x64. Sometimes, without any obvious reason or trigger, all audio and video playback - no matter if it's youtube, VLC, Spotify, the Windows sounds - starts stuttering ...
2
votes
2answers
8k views

Chromecast screen goes black but still has audio

When casting a Chrome-tab from my Windows 10 machine to a Chromecast, after a while the screen goes black but continues to play audio. Without restarting I cannot stream any video from the browser. ...
0
votes
1answer
60 views

Copying audio from a quicktime with ffmpeg

I am trying to copy just the audio from a quicktime. >"C:\Program Files\ffmpeg\bin\ffmpeg.exe" -y -i a.mov -vn -acodec pcm_s16le a.wav Here is my output. Sorry for the formatting. ffmpeg ...
37
votes
8answers
64k views

How to convert video to images?

How can I convert a video file to a sequence of images, for example one frame every N seconds. Can mplayer or ffmpeg do this? I have used MPlayer to grab screenshots manually but I would like to ...
3
votes
1answer
90 views

ffmpeg filter_complex multiple filters mute and text

I have 2 ffmpeg commands working fine alone ffmpeg -i test_video.mp4 -vcodec libx264 -filter_complex "drawtext=fontfile=test.ttf:text=awesome:fontcolor=white:fontsize=20:x=0:y=10+th" test_video_text....
5
votes
2answers
12k views

How to play a Vimeo video in VLC media player?

You are able to play Youtube videos in VLC media player by going to Media > Open Network Stream and pasting in the Youtube video URL in the "Please enter a network URL:" box and pressing Play. For ...
3
votes
1answer
197 views

Sending only video out of HDMI cables – Mac OSX 10.10.3 (Yosemite)

I have a similar question to this one but I'm on Mac OSX. I currently have a laptop, a second monitor (via HDMI), and a third monitor (via HDMI/thunderbolt adaptor). If I have sound playing, I only ...
4
votes
2answers
1k views

Does digital video degrade over time like analog tape does?

Today it is not difficult to find an old VHS from 80s or 90s that has suffered slight or serious degradation in quality over time, but back to the time when it was brand new, it was usually perfect. ...
0
votes
1answer
95 views

Video editing software to fill a long video in short time

I am looking for a open-source or free-ware software for Windows [XP] which can fit a long video in a short time. If the video has a running time of 2 minutes it can be re-sized to fill in 1 minute ...
4
votes
2answers
555 views

Videos won't play in Chrome

I can't get videos to play in Chrome. Every other time, I've had to turn off Hardware Acceleration then turn it back on as described in this answer (Chrome youtube doesn't play/Twitch plays with ...
1
vote
0answers
18 views

Imporove voice track in video files mp4 and mkv

Often the voices in a movie or serial will be drowned out by loud music or background noise, often this is deliberate on the part of the studio thinking it improves the drama or what ever. but for the ...
3
votes
2answers
59 views

Loop/Batch file for extracting all .aac from .m4a files in folder

I'm desperate. I need to extract the .aac stream from ~1749 .m4a files with ffmpeg, but I can't get a batch file working for me and it would take years to do it manually. This is what I use for ...
0
votes
1answer
92 views

FFMPEG: Overlaying scaled video over image

I am trying to produce video containing static image and smaller video which would be overlaid on top of it. Dimensions and position of overlay video are dynamically sent to the server script which ...
0
votes
1answer
26 views

Convert Humax recordings to mp4

I have some recordings on my Humax HDR Fox T2 that i'd like to convert to mp4 video so I can put them on the ipad. For each recording, i have four files, eg: 13K Hey Duggee_20160217_0741.hmt ...
0
votes
1answer
30 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
50 views

How to download skype video message from the cloud?

I need to forward a video message from a contact to another contact. Skype (v. 7.14.85.106) gives me this link which opens in a browser window. After examining the streams through Chrome's network ...
0
votes
0answers
39 views

VLC in Centos6 fails to play DVD

I installed vlc into my Centos 6.7 from epel and nux-dextop using these instructions. Install went OK but there are problems in playing DVDs. I managed to play a DVD containing material I recorded ...
0
votes
0answers
37 views

Autoswitch monitors on PC?

I have a dual monitor setup: desktop monitor and TV. I use Win+P to set up the TV as screen only. Now, few months back, it happened that when I turned the TV off in this setting, the monitor would ...
0
votes
0answers
20 views

Using 3ga and 3gp with ffmpeg

I have sometimes converted .3gp files from my Android voice recorder into .mp3, easy as pie - sometimes I combine image(s) and create videos from these recordins for Youtube, but when I try to convert ...
0
votes
1answer
79 views

How to crop background image to be used in overlay?

ffmpeg -loop 1 -i hinh1.jpg -i 2.mp4 \ -filter_complex "[1]scale=iw/2.5:-1[ovrl]; \ [0][ovrl]overlay=(main_w-overlay_w)/2:(main_h-overlay_h)/2:shortest=1[v],\ pan=stereo|c0<...
0
votes
0answers
32 views

Crop video file using VLC

I found the following command for cropping a video file using VLC: vlc input.mp4 --crop=480x500+290+720 But after running the command, the VLC player opens and I can't see any change on the input....
0
votes
1answer
1k views

Why does voice+video recording not work with built-in mike but works with headset - Dell Vostro laptop

I need to do some recording of voice + video together. This is on Windows 7 using a Dell Vostro 2420 laptop. When I try to record the video using the mike that comes with my headphones, it works (...
0
votes
1answer
159 views

Dell 620 display is too bright to use

I have a Dell D620 with a display problem. In windows 7 the display seems to be too bright, the text is broken up, the only way to see the mouse is at a very oblique angle. Changing the brightness ...
1
vote
3answers
4k views

Black screen when attempting to watch videos on cbs.com

As of about three weeks ago, I haven't been able to watch streaming videos from cbs.com. I don't remember making any changes to my system configuration around that time. When I try to load any videos,...
1
vote
3answers
298 views

Ubuntu Jaunty Video Problems

Recently I upgraded my machine to Ubuntu Jaunty(9.04), and believe me its superb. The boot time is pretty less, everything seems to work perfectly. Except the video. I am unable to play any video file ...
3
votes
1answer
771 views

Intel video driver upgrade now makes my external monitor display red-only with HDMI cable

I have an HP G60 notebook with a Mobile Intel 4 Series Express Chipset video display (Driver version is 8.15.10.2021). OS is Win7 Home Premium. I also have an LG widescreen display that I was ...