All Questions
9,061
questions
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25
views
How do you use FFmpeg to give unique title/track names (%02d) using -metadata when splitting a file?
(I'm using ffmpeg version 6.0-essentials_build-www.gyan.dev)
I've successfully split a file (in this example a .mp3) & given the resulting files unique names using "XX_%02d.mp3" in the ...
- 1
0
votes
0
answers
27
views
ffmpeg segments are not working as expected
Trying to record rstp stream from an IP camera into ~10 mins chunks.
FFREPORT=file=$log_DIR/ffmpeg_recording.log \
ffmpeg -i "rtsp://$CAMERA_USERNAME:$CAMERA_PASSWORD@$IP:$PORT/stream1" \
-...
- 101
0
votes
0
answers
7
views
Looking for a player that can change the background of an RGBA video
Is there a Video Player for Linux where I can play a RGBA .mov file and set a Background Color? VLC is displaying transparency as black and I've found no way to change that.
I know that OBS is capable ...
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votes
0
answers
16
views
ffmpeg png overlay to mp4 color is not correct
I'm trying to overlay some subs on an .mp4 file using the following command:
ffmpeg -y -i count5.mp4 -i subs1.png -i subs2.png \
-filter_complex "[0][1]overlay=enable=between(t\,1\,2):x=0:y=0[out]...
- 101
0
votes
0
answers
19
views
Hide overlayed/embedded rtmp stream when rtmp input is having connection issues or is reconnecting
I am running ffmpeg like this, to overlay a picture with a video (but could be also a video and a video of course):
ffmpeg -loop 1 -i /tmp/bild.jpg -i rtmp://127.0.0.1:1935/other/stream -...
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answers
28
views
Stream an MP4 file via HTTP in a QuickTime-compatible format using FFmpeg
QuickTime supports streaming from an HTTP server, for instance try opening https://ia801307.us.archive.org/18/items/kontikipart2/kontikipart2.mp4 via File -> Open Location.
However, streaming the ...
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1
vote
0
answers
19
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Use eq filter to half of the video
I'm trying to use an eq filler to increase the saturation of half of the video, that is, half of the screen will be changed and the other half will remain unchanged.
Example:
eq filter on half of the ...
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votes
0
answers
28
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How to add only Frame rate mode using FFMPEG for an AVI file
For one of our 3rd party tool to work we need our AVI files should contain the Frame rate mode : Variable Using FFMPEG is it possible to add this tag in the video section?
...
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0
answers
125
views
FFMPEG error RTSP to MJPEG stream
I followed the guide Converting RTSP to an MJPEG stream on demand using ffmpeg.
I keep on getting this error:
ffmpeg version 4.4.2-0ubuntu0.22.04.1 Copyright (c) 2000-2021 the FFmpeg developers
...
0
votes
0
answers
10
views
How do you rename a title in Filmora?
I have added several Titles to my Filmora project. I am doing some basic motion tracking to multiple elements on my timeline. When I want to link one of the titles to a motion tracked object, it gives ...
- 101
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votes
0
answers
174
views
position subtitles in the middle of the video height using ffmpeg
Assume my video resolution is 848x480. I add subtitles on the video and I want it to be positioned on the middle of the video. How to do it? (Please write a solution that can position the subtitle at ...
- 1
0
votes
1
answer
22
views
FFMPEG on AWS Lambda Only outputs half a second of video when converting video from mobile safari
I am running FFMPEG on AWS Lambda using nodejs (installed via @ffmpeg-installer/ffmpeg). I am able to convert videos recorded on most devices / browsers, but when I attempt to convert videos recorded ...
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votes
0
answers
4
views
Optimizing scaled video for quality and performance
I'm using obs to live stream a number of cameras, and pc sources. All are at 1080, but I want to resize some for picture in picture.
Keeping the aspect ratio the same, is it better, for image quality ...
- 101
0
votes
0
answers
12
views
Can't understand the synchronise function for SMPTE/Vegas
I've tried to understand how to manage SMPTE sync in Vegas.
For that, i've generated and recorded one SMPTE track in a dawn, then i've cut some part of it at various time, export it as wav file and ...
0
votes
1
answer
45
views
How to have more than one video preview in premiere pro?
So I want to have two different "Perspectives" in premiere pro. But so far on the internet I only found multi-cam editing. This won't work cause it's not a camera it's me and my friend ...
- 1
0
votes
0
answers
27
views
Ffmpeg amv conversion
I have a friend in an institution. He only has access to a SanDisk sansa clip sport mp3 player, but it has been modded to run firmware for a Ruizu X10 mp3 player.
It can display videos in amv format ...
- 1
0
votes
1
answer
124
views
Video delay when transcoding from an nginx-rtmp-module RTMP stream
I am using the nginx-rtmp-module for accepting RTMP streams and then publishing them locally for transcoding with FFmpeg.
After a recording is made, there is an observable freeze in the video for the ...
- 101
0
votes
0
answers
21
views
How can I switch between multiple video stream with ExoPlayer?
I have seen a .mp4 movie file with two video streams. The first one is the trailer of the movie with 10 minutes of movie length, and the second one is the whole movie of 2 hours.
Can I access the two ...
0
votes
0
answers
341
views
How to use FFMPEG with stream as an input in C#
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I want to use FFmpeg for frame extraction with a stream as an input in C#. However, I am encountering a failure while processing files that have metadata present at the end. FFmpeg tries to read the ...
0
votes
0
answers
19
views
libx265 set 1 i_frame per x seconds and force all other frames to be b_frames
I'm trying to compress my content while preserving quality. I'm measuring the quality using Netflix's VMAF.
Only focusing on HEVC and tried different parameters available for libx265 such as crf, two ...
0
votes
0
answers
2
views
Is there a mount for GoPros that clamp the gopro itself instead of using thumbscrews?
I'm having trouble finding a mount for GoPro/any general action camera that uses clamping to hold the device down instead of an external case or thumb screws.
Basically I'm looking for something like ...
- 101
0
votes
0
answers
10
views
Which will have better quality, an H.264 encoded video with higher bitrate or an H.265 with lower bitrate?
I got a cheap action camera that allows me to choose the encoding of the video being recorded between H.264 and H.265.
When I set it to H.264, the video's bitrate is set to around 10,000+ kbps. When I ...
- 101
0
votes
0
answers
6
views
Clips in Premiere Pro are correct in source window but cropped when copied into timeline
I tried to attach two images to show the difference but it doesn't seem possible, so this is just the cropped version. I shot some exteriors with exactly the same settings as my previous footage, and ...
0
votes
0
answers
19
views
Concetrating videos with same attributes in ffmpeg result much longer in time invalid output video (300hours+) than 1hour
Videos have same framerate (30fps), same video encoders / containers (aVC- mp4), same audio encoders (aac LC) sampling audio rate 44.1hz, and frame rate in audio (43.066 FPS (1024 SPF)) and same ...
- 173
0
votes
1
answer
72
views
ffmpeg one draw text to multiple outputs
I've created command, which connects video file with music, use shortest(video) duration, and output this to result file
ffmpeg \
-i ./source/video/women/1.mp4 \
-i ./source/audio/women.mp3 -y \
-...
- 101
0
votes
0
answers
12
views
Is there a math formula computing the size of the video given its video and audio information?
I have a short video of length 11s in mp4 format. As you can see from the screenshot, it is 1080 by 1920 with Data rate 2097 kbps and total bitrade 2208 kbps. Frame rate is 30.00 fps.
The audio bit ...
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votes
0
answers
21
views
ffmpeg - extract frames from video from multiple files to add to Keyboard Maestro macro
First I would like to say that I use MacOS, I am new using ffmpeg and keyboard maestro and have no little to none experience in coding. But I think I did learned a bit is the past few weeks trying to ...
- 1
0
votes
0
answers
11
views
Why some cuts my transition is small
In most of the places my Cross Dissolve transition is of normal size, but at one place it is small size, any idea why ?
Small Size
Normal Size
- 101
0
votes
0
answers
35
views
Pink and green color on overlay logo
I ran into such a problem with hls streaming, adding filters to the overlay logo, but it was smeared with pink and green stripes. Has anyone come across this.
ffmpeg -f concat -safe 0 -re -i <(for ...
1
vote
1
answer
15
views
Noise filtering/cancellation via software while recording voice
While making videos at home, there is a considerable amount of ambient noise throughout the day (e.g. airplanes, cars honking, dogs barking, etc). I know there are (software) tools that are capable ...
- 113
1
vote
1
answer
54
views
Simple FFMPEG Concatenation
I'm trying to program an automation process to add a message at the beginning and end of an input video in Windows. I have a png being looped into a mp4 with a silent audio stream added on. This is ...
- 13
0
votes
0
answers
4
views
Question About After Effects Paint Tool
I was wondering if anyone has any idea why when I duplicate a layer which has paint on it, it causes the paint to warp in the duplicated layer. I have attached 2 photos which shows what happens. Copy ...
- 1
0
votes
0
answers
7
views
How do I display 4 different outputs with HDMI when I only have one input device?
I have one laptop with 4 different applications running on it. I would like to separate these 4 applications into each television. Each television will display one of the applications. I have bought 1 ...
- 1
0
votes
1
answer
49
views
Why do different libx264 encoding presets yield different H264 profiles? For same video: Same source, same target dimension + framerate + CRF
Original Issue
ffmpeg -i macos-sreenrecording-2560x1600-h264-FPS60.mov -movflags faststart -an -c:v libx264 -crf 18 -preset veryslow 2560x1600-CR18-FPS60.mp4
Yields an MP4 with H.264 at High@L6 (aka ...
- 151
0
votes
0
answers
12
views
Inconsistent behavior when placing adjacent video overlays
This script uses ffmpeg to overlay a red [1] and blue [2] stream atop a yellow [0] stream. The intent is that the red stream will be exactly adjacent to the blue stream; at frame 1731 the output video ...
- 101
0
votes
0
answers
29
views
Using the transform effect on an adjustment layer in premiere pro renders differently from timeline view
I'm working on a video where I use an adjustment layer to zoom in and position multiple clips at once. This is what my timeline and preview look like in premiere pro:
Note the position of the serum ...
- 123
0
votes
0
answers
20
views
ffmpeg - concatenate files while space constrained
Let's say i have a 2 TB drive. If i want to use ffmpeg to concatenate two files, they cannot be larger than 1 TB in total, otherwise I won't have enough storage space to save the output file.
Is it ...
0
votes
0
answers
46
views
How can I find the best start and finish frames for looping a video?
Is there a way I can programmatically identify an ideal start and finish frame for looping a video using freely available or open source tooling such as ffmpeg?
I found this solution which is close, ...
- 101
0
votes
0
answers
189
views
Adobe Premiere: H.264 export results in black screen
I am trying to export a 44 minute, 2.641 GB video on the latest version of adobe premiere 2023, but everytime I do, I get a video with a black screen. Note that I am exporting with Range: Source In/...
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0
votes
0
answers
85
views
FFMPEG converts HEVC with Alpha mov to PNG sequence not work well
I have a mov file with HEVC with Alpha codec on Mac. The mov file has no background color, but have some foreground contents in it. I want to use FFMPEG to grab some PNG pictures from it. Following is ...
0
votes
0
answers
85
views
How to streaming all files in directory in "input" (FFmpeg HLS stream)
There is this command that sends files (input1.mp4, input2.mp4...) as an HLS stream to the site,
ffmpeg -i -re input1.mp4 -f hls -hls_time 4 -hls_playlist_type event /opt/metal-country_ru/live/stream....
0
votes
0
answers
12
views
Moving keyframes out of Vector Motion in Premiere
I'm working on a project and have created a graphic layer with text on it. I added some keyframes for position to move the text over time. then I added another text that need its own distinct position ...
- 101
0
votes
0
answers
39
views
How to add audio every x time [ffmpeg]
I have a file video.mp4 and file audio.mp3, how to with the audio inserted every 2 seconds of video
i try it but doesn't seem right. Please help me!
ffmpeg -i video.mp4 -i audio.wav -filter_complex &...
- 1
0
votes
0
answers
54
views
mixing H.264 and AV1 in a single DASH manifest?
I used the example in the ffmpeg-all man page to write an ffmpeg command line to build an MPEG-DASH stream with multiple encoding options from a single source file:
ffmpeg -i <input>.mp4 -map 0 -...
- 101
1
vote
1
answer
54
views
Adobe premier preview window shows (and renders after effects compositions as off-center? (pic attached)
When importing an after effects comp onto premiere, it shows as off-center, wrapping around so that the right edge shows up on the left side, both in the preview window and in render from Premiere.
...
- 11
0
votes
0
answers
26
views
Add 3sec fade out of the last frame to a video
For example, given a video 1.mp4 (no audio) of 17s, output a 20s video where the last frame fades out.
What I came up with:
Extract the last frame
ffmpeg -sseof -1 -i 1.mp4 -update true last.png
...
- 101
0
votes
0
answers
108
views
FFMPEG - creating MPEG DASH stream, makes the first audio segment ever so slightly too short
I am trying to create an MPEG DASH video stream with perfectly sync'd audio and video segments. I have already figured out the correlation of the aac smapling rate and video fps, so that shouldn't be ...
0
votes
0
answers
12
views
Correcting errors and inefficiency when concatenating hundreds of clips with time offsets in FFMPEG
I am attempting to automate multicam editing with FFMPEG. Basically there is some number of time-synced videos, typically up to 7. There is also a list of "clips" from the source videos (e.g....
0
votes
0
answers
61
views
Does anyone know how to fix this error
Error:
ffmpeg exited with code 1: Stream specifier ':a' in filtergraph description
[0:a]adelay=41.71881518564873[audio0];[audio0]amerge[a] matches no streams
The code that I entered
const ...
- 1
1
vote
0
answers
11
views
Use markers in After Effects as triggers for a random color animation
How to change the color of a layer randomly in markers?
- 11