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13 questions with no upvoted or accepted answers
3 votes
0 answers
4k views

Fixing ffmpeg latency accrued over time

I have ffmpeg/ffserver running in the following setup: 10.1.2.2 captures from video capture cards (16 channels) and streams them to an ffserver as mpeg1video 10.1.1.1/10.1.2.1 (two NICs) hosts the ...
CoryG's user avatar
  • 314
1 vote
0 answers
716 views

FFmpeg HLS single file playback is broken when encryption enabled

HLS files generated with encryption enabled and the single segment (byte range) option result in videos that are unplayable. The same videos play without issue when encryption is not utilized. Here ...
user3219798's user avatar
1 vote
1 answer
2k views

ffmpeg to fix video playback speed without re-encoding?

What's the best way to fix incorrect timestamps on a network camera using ffmpeg? Running the camera in h264 mode with a 1fps correctly produces duration=1.000: ffmpeg -hide_banner -rtsp_transport ...
Imaginator's user avatar
1 vote
0 answers
1k views

Unable to convert .ts file with the mime type video/MP2T to .mp4

I want to play a bunch of .ts files. Most websites mention that users can usually play these files directly in vlc but I couldn't. There was no error. It is just that the file would not open at all. ...
Neena Vivek's user avatar
1 vote
0 answers
1k views

ffmpeg with a streaming input change channels order and indices on different execution

We're using ffmpeg to take a mpts stream by 3rd party and encode it to a webm file. Now Every time I've call the ffmpeg command I get different map of channels for it. For example: Input #0, mpegts, ...
shevski's user avatar
  • 121
1 vote
0 answers
4k views

How can I increase volume for HD mp4 files with ffmpeg?

I am converting videos using FFmpeg on Linux. Videos are 1080p at first and I convert 1080p to h264 720p and 360p. Also if videos are 360p I`m converting them to h264 360p. The problem is when ...
Treat's user avatar
  • 96
0 votes
0 answers
19 views

How to create a video encoding ladder for any aspect ratio?

For a given video uploaded by a user, I need to create three versions of it to cover standard definition (SD), high definition (HD), full high definition (FHD), and ultra high definition (UHD e.g. 4K)....
volume one's user avatar
0 votes
1 answer
560 views

ffmpeg - cut without reencoding and strange behaviour: application provided duration is out of range for mov/mp4 format

In Ubuntu 18.04 I quite often used the following command for trimming part of the video without re encoding (which means without any quality loss). ffmpeg -ss 00:06:00 -i DSCF5984.MOV -t 00:07:00 -c ...
user2707175's user avatar
0 votes
1 answer
349 views

How to convert home movie DVDs to .mpeg files?

My wife brought me a box of DVDs with her home movies from her life before me. I would like to store the contents permanently on our Linux home server alongside 100,000 jpg files and some more recent ...
Lars Poulsen's user avatar
0 votes
0 answers
1k views

Ffmpeg hardware acceleration unsupported formats betwen transpose and auto_scaler_0

I am trying to develop a transoding service which makes use of nvidia hardware acceleration capabilities ( The gpu used in this process is a Tesla T4); I want to generate a mpeg-dash playlist for my ...
Eduard6421's user avatar
0 votes
1 answer
584 views

How can I create a stream of my screen on a Windows computer for another device on my network?

I want to view what is seen on my Windows laptop screen on my tv, which is connected to a device running enigma 2, "screen mirroring". There are no software or plugins that will work on the device for ...
user279040's user avatar
0 votes
1 answer
1k views

ffmpeg extract audio from streaming mp4

I am trying to extract audio from streaming mp4,it succeeds on ffmpeg -i http://www.sample-videos.com/video/mp4/720/big_buck_bunny_720p_1mb.mp4 out2.mp3 But it fails on this facebook mp4 streaming ...
user6791548's user avatar
0 votes
1 answer
61 views

How do I cut clips using its position from a video?

I have a lot of clip positions that I have to extract from a single video, how can I automate the whole process? As of now I have to manually cut each clip using its position, but as my number of ...
Ravijot Narang's user avatar