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

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0answers
14 views

How do I encode a video file using a specific codec in Adobe Media Encoder?

I search high and low across the internet and this questions is NOT answered in a straight forward way anywhere! I have an assignment where I have a short ProRes video file that I must encode with ...
-1
votes
1answer
26 views

A video player that auto-plays videos in sequence while skipping certain parts

There is a TV show I like; I have its episodes stored as video files on my SSD. Each video file is about 24 minutes long, but only 20 minutes of that is the actual episode; the rest is intro, outro, ...
0
votes
1answer
26 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 ...
1
vote
1answer
14 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
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0answers
34 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 ...
1
vote
1answer
53 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
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
1answer
36 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
votes
1answer
22 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
votes
1answer
27 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
votes
1answer
179 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 ...
0
votes
1answer
41 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
13 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
6 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
13 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
0answers
22 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 ...
0
votes
1answer
55 views

ffmpeg pause video every 10 seconds for 3 seconds

Is there a way to use ffmpeg to halt a video for 3 seconds every 10 seconds? For example, I use a 30 seconds video, the video should stop at 0:00, 0:10, 0:20 and 0:30 for 3 seconds. The length of ...
0
votes
1answer
49 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 ...
1
vote
1answer
55 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 ...
3
votes
1answer
59 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" ...
1
vote
0answers
17 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 ...
2
votes
1answer
267 views

FFMpeg concat demuxer unsafe file name

I'm using ffmpeg inside my .net application to merge(concatenate) some short videos with the same encoding and width and height dimensions. I've created a txt file as the documentation says and this ...
0
votes
1answer
21 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
0answers
27 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
19 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
0answers
27 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 ...
0
votes
0answers
33 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
1answer
62 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],\ ...
0
votes
1answer
68 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
0answers
9 views

handbreak does not extract subtitles

i have a personal DVD i am trying to backup to a medium that will not go the way of the 5" floppy... when i "rip" it via handbreak, i select subtitles, then i click "add all" and the subtitle does ...
-1
votes
1answer
15 views

Create video from contents of webpage even if it's out of screen [duplicate]

I want to record the contents of a long webpage (even if it's out of my screen). Is there any tool to achieve that? If video recording is not posible, take screenshot would be sufficient. Any ...
0
votes
1answer
56 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 ...
4
votes
2answers
337 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 ...
0
votes
0answers
29 views

How to embed/merge a cue file and an audio file(preferably MP3)?

I recently downloaded a song mix (approx. 2 hrs) from youtube which is in MP3 format. Now, this mix contains various songs (approx 40) from different artists. In video files you are able to see which ...
0
votes
0answers
66 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 ...
0
votes
1answer
48 views

Is there a way to delay video?

I bought a harman kardon speaker and I uses hdmi projector. Everything is awesome. I can even play game. However, if I watch movie there is a delay on sound. Which is strange. I don't see that sound ...
3
votes
0answers
89 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
21 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
44 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
16 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
31 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 ...
0
votes
0answers
8 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
23 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
33 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
79 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
72 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
45 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
50 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
37 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
60 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 ...