All Questions
220
questions
2
votes
1
answer
433
views
Old family videos with no audio... any hope of recovering the audio?
I have limited experience but have used simple tools like mediainfo and ffmpeg before, though I don't usually know what is happening.
I dug up some old digital video files of family members that are ...
- 299
0
votes
0
answers
430
views
Recursively search all subfolders for png images and convert them to one mp4 video
I have timelapse camera that is recording a png picture every 30 seconds. The timelapse system makes a subfolder that has the date as its name and then each subfolder contains png files which are ...
0
votes
1
answer
518
views
FFmpeg PNG frame extraction isn't actually lossless
EDIT: It turned out this wasn't an FFmpeg-related issue. The culprit was VLC which didn't show me the video accurately. In particular, VLC has some sort of enhancement filter that only engages itself ...
- 101
2
votes
1
answer
548
views
PowerShell/CMD command to map metadata from one set of files to another, in different drives
So I have a set of files in one drive (C:\Users\xxxxx\Desktop\new) with just .m4v files.
I want to copy the metadata of files in a folder in another drive (S:\new2) to those in the "new" ...
- 23
2
votes
1
answer
5k
views
How to fix (regenerate) thumbnails for mp4 files in Windows 10 (recorded by Pixel 3)
My Google Pixel 3 phone saves videos as mp4 files that have no thumbnails in Windows Explorer.
(This screenshot shows files on my PC that I'd moved via USB from the Pixel 3.)
Here is an example of an ...
- 1,976
0
votes
1
answer
791
views
FFMPEG Why doesn't it work on google drive?
ffmpeg -i "https://drive.google.com/file/d/15nJzaxD8uFvqqJqbIUHu_pE8JKla9g7c/view?usp=sharing" test.mp4
I need to download video from google drive and i need to do it with ffmpeg.
Streaming ...
- 43
1
vote
0
answers
357
views
Create slideshow with date as caption automatically
I want to create a slide show of photos and want the create-date of each image to appear at the bottom when the image is being shown in the slide show.
Is there a way I can automate this using ...
- 679
1
vote
0
answers
280
views
FFMPEG - Copy l-frame range. (-ss -to) And Re-encoding not l-frame range. And merge all?
1- copy between nearest -ss l-frame and -to l-frame.
2- Re-Encoding those not in range of l-frames
3- concat step 1 and 2 :)
The first seconds are wrong when cutting by copying (-c:v copy -a:v copy).
...
- 43
0
votes
0
answers
249
views
ffmpeg unable to parse really long command; Invalid duration specification for to: 00:0011
I'm trying to run an extremely long ffmpeg command but I end up getting an unusual error. I have the following command in a .cmd file:
ffmpeg -ss "00:00:00" -to 00:00:10 -i "F:\MusicGen\...
- 1,620
1
vote
0
answers
98
views
ffmpeg, put 5000 trimmed inputs and filter complex into file?
I have a huge monolithic ffmpeg command and unfortunately I am not able to run it because "the command line is too long." I'm on Windows 10. The exact input command and output can be seen ...
- 1,620
2
votes
1
answer
1k
views
ffmpeg: How to get the same filename for the outfile automatically
With ffmpeg -i inName.mp3 outName.avi I can create an avi-outfile from a single-mp3-infile.
But how can I get the same filename for the outfile automatically (here this would be inName.avi)?
Hint: at ...
- 123
-1
votes
1
answer
499
views
How do I capture playback audio AND video?
So I want to record my screen and my playback audio.
The only 'solution' I've found is recording my microphone, rather than the audio played back from my screen.
When I do ffmpeg -list_devices true -f ...
- 11
1
vote
1
answer
2k
views
FFMPEG - mute or unmute audio from incoming stream while ffmpeg is running
I got the following issue:
I want to be able to mute and unmute the audio from a ffmpeg stream whilst the ffmpeg is running. I was searching for a while now and wondered how you would do it. I read a ...
- 11
0
votes
1
answer
5k
views
FFmpeg: h264_qsv slower than libx264 (real-time buffer too full)
I use configuration: Windows 10 IoT, Intel Celeron N3350E (with Intel HD Graphics).
Runing this line:
ffmpeg -f dshow -i video="USB Video":audio="USB Digital Audio" -c:v libx264 -...
- 21
0
votes
0
answers
678
views
Pipe microphone's input to an output device
I'm working on a soundboard software (using VB-Audio Virtual Cable)
I need to pipe the input coming from a specific audio input device (not default) to a specific output device with CMD or PowerShell (...
- 101