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

0
votes
0answers
17 views

Ethernet camera causing network driver buffer trashing / memory congestion?

We are running a high-res camera on a reserved, single 1Gb Ethernet port, connected to a Windows 10 machine. We let the camera run on Auto-triggering and so it takes and sends images as fast as it can ...
0
votes
0answers
7 views

Architecture for Video Rending using FFMPEG on ECS vs Lambda

I have written an AWS lambda function to use ffmpeg and render a image, and an audio clip into a mp4 video. That works, but I've been running into limitations of Lambda even with max memory and ...
0
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0answers
13 views

How to record and upload a video while streaming?

I have been working on an application which allows users to go live and also save the video to watch later for those who didn't watched it live (same as YouTube does).I just don't know where to ...
0
votes
0answers
19 views

Show all four videos as thumbnails but play them one by one using FFMPEG

I want to show four videos as thumbnails but play them one by one (video1 plays first then video2, etc).I tried thisString[] cmd={"-loop","1","-t","36","-i","/storage/emulated/0/Download/...
0
votes
0answers
14 views

How to fade with cycle FFmpeg?

I'm looking to use FFmpeg to fade multiple segments with black background in the video. For example: fading a black background 3s segment and then showing the video again in 24s and then continue to ...
0
votes
0answers
16 views

Is it possible to output GPU's video through MOBO

I have a Ryzen 5 1600 (which does not have an integrated graphics) and a gtx 1060 6GB installed on an Asrock Pro4 AB350m Motherboard.I was wondering if it is possible to output the GPU's video ...
0
votes
0answers
5 views

VLC: take a snapshot while receiving a stream

I'm not sure I'm using the correct words because I cannot find an answer in the VLC doc. I receive a mmpeg stream with this command:vlc -Idummy udp://@:1234 --sout=file/ps:D:/test.mp4 --run-time ...
0
votes
2answers
21 views

Google Drive won't play my videos after upgrading to windows 10

I finally got around to upgrading to windows 10 on my PCs. But now my videos that I had stored in Google Drive won't play. They're MP4. So then I tried using VLC media player because that was ...
0
votes
1answer
9 views

How can one zoom on one video during a BlueJeans video conference?

When more than 1 participant share their video in a BlueJeans video conference, how can one zoom on one video?In the following screenshot, 2 participants (in addition to me) are sharing their videos:...
1
vote
0answers
37 views

Mplayer's synchronization playback not working for more than two videos locally

I'm using Mplayer to playback four (security) videos in sync locally. For the first video, I'm running: mplayer -udp-master -udp-ip 192.168.0.255 1_01_R_072018150000.aviFor each of the ...
0
votes
0answers
18 views

Convert video file using format from another file

To eliminate XY problem, here is what's my situation. I have source YouTube videos in MP4 container. I create voiceovers for them using Sony Vegas on Windows machine and then export them as WAV file, ...
0
votes
0answers
17 views

FFMPEG copy hls high cpu usage

I have a set of batch scripts (Windows 10) to create an "instant replay" for some (11) HLS streams using FFMPEG. When everything is working each instance uses less than 1% CPU. The problem I have is ...
0
votes
0answers
14 views

Encoding Google's recommended settings with ffmpeg [duplicate]

I just read the Recommended upload encoding settings article from the official Google support. I think those are the best settings for encoding my YouTube videos.Can you help me find out how to ...
0
votes
1answer
9 views

How to use ffmpeg to add multiple audio files to the video at a specific time?

I have an exampleffmpeg -i zs_712922_CT.mp4 -itsoffset 10 -i ct.m4a -map 0:0 -map 1:0 -c:v copy -preset ultrafast -y out1.mp4 (I don't know why this dropped the video, leaving only the audio.)to...
66
votes
3answers
11k views

How do ultra-high-frame-rate cameras write so fast?

Recording at 1080p and 100,000 FPS for 1 second in the ProRes 422 codec uses up 73.2 gigabytes of storage. (SOURCE)How do ultra-high-speed cameras write to SD cards at such quick speeds, like 580.56 ...
-2
votes
1answer
37 views

How to Measure Total Duration of Video Files in a Directory?

Let's say I have a directory with 5 video files in it. How can I measure the total duration of all video files in this directory from terminal. Also, I want to be able to do this recursively to any ...
2
votes
0answers
28 views

How can a video File (.MOV) play perfectly in VLC and other players but not open in Premiere Pro?

A four Gig Quicktime (.MOV) video file (a video taken on an iPhone) plays perfectly on VLC, Windows Media Player and PotPlayer but when imported into Adobe Premiere Pro 5.5 the following error message ...
0
votes
0answers
29 views

How to download Quampus videos? [closed]

Quampus offers a paid online course (video lectures) at this link:http://quampus.com/srvinfo.aspx?bcode=A28VFB3I am considering enrolling for the course, but I live in a place which does not have ...
0
votes
1answer
37 views

How to play Watermark video in order manner using FFMPEG

i want to play watermark video one by one in output video using ffmpeg.Below command set 4 video as watermark on image and create output video but watermark video play parallel.String[] cmd={"-i","/...