All Questions
76
questions
27
votes
6
answers
16k
views
Creating video with audio and still image for YouTube
I'm running the following command:
ffmpeg -i audio.mp3 -ar 44100 -f image2 -i logo.jpg -r 15 -b 1800 -s 640x480 foo.mov
Which successfully outputs a video with my recorded audio and an image on it.
...
- 873
20
votes
3
answers
49k
views
How to download chapters of a youtube video as separate video files?
A New YouTube Feature
Youtube recently enabled the option to add chapters in YouTube videos.
This is done by simply adding the chapter timestamps (start time) in the description of the video.
...
- 305
17
votes
1
answer
59k
views
How can I convert a series of PNG images to a video for YouTube?
I have a sequence of PNGs (here is one specimen) which I turn into a video with ffmpeg:
ffmpeg -r 10 -i image%03d.png -s 1380x720 -c:v libx264 -qscale 10 -r 30
basf_merck_libx264.mp4
With VLC ...
- 1,221
10
votes
3
answers
21k
views
Convert YouTube DASH audio (youtube-dl) to m4a (AAC DL)
I am unable to listen to m4a DASH audio I download from YouTube via youtube-dl on Winamp. Is there an option in youtube-dl to remove the DASH audio part of m4a file and download/save it as an m4a (AAC ...
- 6,352
8
votes
2
answers
11k
views
Processing YouTube video in ffmpeg
I'm using ffmpeg for taking screenshots from video. Is it possible to take screenshots from YouTube video without downloading video to hard drive?
- 185
7
votes
2
answers
17k
views
Make exact mp4 (H264) format for uploading to youtube
With ffmpeg I'm converting video from mp3 and picture to upload it to youtube. After upload, conversion fails. Reasons are unknown. I believe the problem is in format. By the way If I'm uploading file ...
- 405
7
votes
2
answers
8k
views
Create a image every XX seconds of the video [FFMPEG]
Screenshot: FilmStrip
I tried ffmpeg -i video.mkv -vf fps=1 out%d.png
But It is generating one by one images. I need all thumbnails into one image. as in screenshot above.
Usama Javed
6
votes
1
answer
9k
views
FFMPEG webcam stream to Youtube drops frames
I need to do a live videostream on Youtube using a Logitech HD Pro Webcam C920.
My OS is Fedora 20, and the command I am trying to use is:
ffmpeg -f v4l2 -i /dev/video0 -flags +global_header -ac 1 -...
- 141
5
votes
2
answers
11k
views
Why youtube-dl is converting my downloaded video to a different format
I am downloading a video but youtube-dl is converting it to something else using ffmeg. This doesn't usually happens, what should I do ?
Here is the log,
Edit
If I try to download same video on a ...
- 51
5
votes
0
answers
5k
views
What ffmpeg command line matches the one YouTube uses?
I am trying to use the same command line YouTube uses for quality etc. in H.264/MP4 containers. I have been working on converting videos into multiple formats, scales, sizes and adjusting the bit ...
- 599
4
votes
2
answers
3k
views
ffmpeg - Merge mp4 video with wav audio
I want to get the best audio for a youtube video upload. I found out that mov can retain the audio intact. I've tried doing so, but I get an AAC audio instead.
Here's the command I use:
ffmpeg -i ...
- 191
4
votes
0
answers
7k
views
Error splitting the input into NAL units, corrupt video?
I am trying to play this video I downloaded it via youtube-dl.
$ youtube-dl --verbose -c -f 22 SYahi3XFEa4
[debug] System config: []
[debug] User config: [u'-f', u'bestvideo[height<=720]+bestaudio/...
- 479
3
votes
2
answers
14k
views
Convert YouTube HDR (vp9.2) video to HEVC HDR with ffmpeg
My question is simple: how do I convert HDR vp9.2 videos downloaded from YouTube into HEVC (better if 10 bits) HDR videos?
Yesterday I tried this command, which is the only one I could find in Google:...
3
votes
1
answer
5k
views
ffmpeg 360 Video - Convert EAC (Youtube) to Equirectangular
I have this top-bottom 360 Video, where the bottom is rotated 90 degrees clockwise, and I am looking for the ffmpeg command to produce a singular equirectangular output. I've been experimenting with ...
- 161
3
votes
2
answers
30k
views
Converting a youtube video to mp3 using ffmpeg WITHOUT youtube-dl?
Is it possible to convert a youtube video to mp3 using ffmpeg but without youtube-dl to first put in on the server? All the examples I've seen involve youtube-dl first to extract the physical video ...
- 147