All Questions
Tagged with ffmpeg ffmpeg-filters
51
questions
1
vote
0
answers
65
views
Side by side video with multiple single image sources
I'm creating 4 video files with 4 different single images sources (with pattern_type glob):
ffmpeg -framerate 2 -pattern_type glob -i './1/*.jpg' -y out_1.mp4
ffmpeg -framerate 2 -pattern_type glob -i ...
- 11
0
votes
0
answers
160
views
Get ffmpeg to output frames closer to start time specified
I'm running ffmepg version 6.1 with the following command:
ffmpeg \
-y \
-copyts \
-ss 2841000000us \
-to 2843000000us \
-i <INPUT_FILE/URL> \
-fps_mode passthrough \
...
- 177
0
votes
1
answer
215
views
How to trim multiple videos and position them to specific position using -filter_complex?
How do I mix several videos and have them not overlap each other?
I need to use -filter_complex as I cram many more commands there and seems weird how when I trim video its frames remain and overlap ...
- 101
0
votes
1
answer
48
views
Apply a trim on the output generated by filter_complex without a separate command
I have a filter complex expression that takes 4 input videos and combines them in 4 corners of the screen synced at a particular start time from each video
ffmpeg \
-i first_vid.mkv \
-i ...
- 171
0
votes
1
answer
156
views
Ffmpeg concat filter produces frames from different videos
I have a workflow in which I give several videos to ffmpeg, each video corresponding to a shot, and ffmpeg concatenates them to produce a single video, interlaced at 25 fps. The problem is that ...
- 5
0
votes
2
answers
404
views
FFmpeg watermark and HLS stream
I want to convert and MP4 video into HLS multi-resolution (360, 720) and add watermark image inside the output segments.
I did two result but missing the watermark image with the multi scale:
// one ...
0
votes
0
answers
228
views
FFMPEG filter_complex overlays work well on windows but generates error on Linux and OSX
So, I am applying multiple overlays on a video using FFMPEG, on windows it always works fine for every size and number of overlays, but in case of MAC or Linux, it generates error for reinitializing ...
3
votes
0
answers
7k
views
ffmpeg -vsync deprecated, use -fps_mode
I used to use -vsync -1 to Auto Sync a Audio and Video input stream using the -copy switch as they would get out of sync at times and sometimes not so can't specify any seconds for a delay setting but ...
- 125
1
vote
1
answer
284
views
Combining audio and multiple videos with FFMPEG
I am working on a ffmpeg script to combine two videos with one audio file. The first video file should start after about 6 seconds and the second after about 40 seconds, and there should be a padding ...
- 13
0
votes
1
answer
503
views
Convert MKV to HLS with all audio tracks and subtitles available
For the past few weeks, I've been trying to convert MKV and HLS files. Currently, I'm burning the first available subtitle track of the file in the video and keeping only the first audio track.
What i ...
2
votes
0
answers
5k
views
HDR to SDR conversion with ffmpeg
I have some 4K HDR video, which looks very dark (and redish) if directly played on a non-HDR device (in practice with VLC), which is a known issue. I'm trying to convert it to SDR using ffmpeg, and ...
- 1,639
0
votes
0
answers
92
views
Issues With Combined Audio/Video Capture with FFMPEG
I am making an application where I am using FFMPEG to output a specific window on my computer. The video side works really well but starts struggling severely when I add audio into the mix (no pun ...
1
vote
0
answers
379
views
How to Speed Up Complex Text Overlay in FFmpeg
I'm using FFmpeg to overlay text on videos, and I find the process to be quite slow. The operation becomes especially slow when I add complex drawtext filters. I'm running this on a MacBook Pro with ...
- 11
1
vote
1
answer
118
views
ffmpeg, need help to make small thumbnail slideshow video from long video
With ffmpeg command, I am trying to create a small thumbnail slideshow video of a large video
by selecting one frame every 60 seconds and then combining those frames to make a video in a way that each ...
- 11
0
votes
1
answer
240
views
Does 'force_style' work with 'subtitles=video.mkv' for FFMPEG?
I am using this script to encode an burn in subtiles for an entire folder:
for filepath in newFiles:
video = os.path.basename(filepath)
videoName = os.path.splitext(video)[0]
newFile = '%s....
