All Questions
Tagged with video-streaming video-conversion
29
questions
0
votes
0
answers
18
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)....
- 111
0
votes
1
answer
539
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 ...
- 101
0
votes
1
answer
343
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 ...
- 61
0
votes
0
answers
1k
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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 ...
- 51
0
votes
1
answer
54
views
How to autocaption a video?
I want to play videos and autocation them.
I have some training videos and I want to see speech to text like what we have in youtube.(to show text under the video)
I don’t want to upload files ...
- 3
0
votes
2
answers
418
views
Streaming with Canon XA10, Black Magic Intensity Shuttle, and StreamLabs OBS on Windows 10
I am attempting to Live Stream with my Canon XA10 using a BlackMagic Intensity Shuttle and StreamLabs OBS. I can't seem to get a picture in either the BM Desktop Video, BM Media Express, or OBS. I ...
- 81
1
vote
0
answers
713
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 ...
- 111
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 ...
- 23
0
votes
1
answer
570
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 ...
- 11
1
vote
1
answer
1k
views
ffmpeg - waveform.png: Invalid argument
I'm trying to use ffmpeg on Synology NAS with DSM 6.2 to create waveform of my mp4 files.
ffmpeg -i aaa.mp4 -lavfi showwavespic=split_channels=1:s=1024x800 waveform.png
[NULL @ 0x24271e0] Unable to ...
- 11
3
votes
1
answer
2k
views
How to efficiently create a best-palette gif from a video portion straight from the web
I've been using for some time this couple of commands to convert a video segment to an animated gif, having ffmpeg calculate the best palette for it:
ffmpeg -ss $START -i $IN_FILE -t $LENGTH -vf "fps=...
- 1,599
4
votes
1
answer
3k
views
How to split video files upon detected change in resolution? (ie. recorded streams containing multiple widths)
I have many video files (flv/mp4) that change resolution mid-stream (720p/1080p/640).
I would like to use something like ffmpeg to automatically detect the change in resolution and split the videos ...
- 81
61
votes
1
answer
137k
views
Downloading m3u8 videos [closed]
I am trying to download video from a .m3u8 livestream video format.
How can I download m3u8 videos using software on my personal computer such as ffmpeg, youtube-dl, VLC, etc?
M3U is a computer file ...
- 741
0
votes
1
answer
5k
views
Create video from a growing image sequence using FFMPEG
I am planning to render a personal 3d project as an image sequence, where each frame takes about a minute to be created and saved as an image file.
If I were to use the regular ffmpeg syntax to ...
- 41
0
votes
1
answer
3k
views
why ffmpeg trimming videos while converting to m3u8?
I am using ffmpeg version 3.2.2, and converting mp4 and mov files to m3u8 format by below command.
ffmpeg -i test.mov output.m3u8
The length of test.mov is around 3 min, but it convert it to last 24-...
- 103