All Questions
68
questions
0
votes
1
answer
69
views
Apply the file's audio effects
I'm new to ffmpeg, as the title says, I want to apply effects to audio files, like this app
[https://play.google.com/store/apps/details?id=com.baviux .voicechanger]
How can I determine the value of ...
0
votes
0
answers
190
views
FFMPEG: Using RGBA filter for transparency taking too long
I'm using following command to concatenate multiple videos using FFMPEG,
-ffmpeg -y -i 'video1.mp4' -i '/video2.mp4' -i '/video3.mp4' -i 'musico.mp3'
-f lavfi -i anullsrc=r=44100:cl=stereo -i '/...
2
votes
0
answers
213
views
FFMPEG: Cannot record audio when using android_camera on Android mobile device or emulator
I am attempting to livestream video and audio to my local network from a mobile Android device as a use case for the company I work for.
After searching around, I was able to create a video stream ...
- 21
0
votes
0
answers
174
views
Creating silent video from an image file (like png) using FFmpeg
ffmpeg -y -loop 1 -i '$inputFile' -f lavfi -i anullsrc=r=44100:cl=stereo -vf "scale=1280:720" -c:v libx264 -pix_fmt yuv420p -c:a aac -strict experimental -t $seconds -crf 28 -preset ...
0
votes
0
answers
775
views
MP4 to HLS stream conversion error after resizing video using FFmpeg
When trying to create HLS stream from original video, FFmpeg creates HLS stream without errors.
~ $ ffmpeg -i test.mp4 -f hls -hls_time 3 -hls_segment_filename seg%02d.ts stream.m3u8
But when I ...
0
votes
0
answers
37
views
audio plays only with one image
I am working on an Android app in which I am implementing the ff-mpeg features to convert images into video and then using that video to merge audio in its background.
But the problem is this when ...
0
votes
1
answer
1k
views
Video created from ffmpeg can be played in desktop chrome but not mobile chrome?
I have a project that
generates a .jpg file with a caption (using imagemagick convert)
creates a .mp4 file by combining the .jpg file from step 1 and an .aac audio file
concatenates several videos ...
- 1
0
votes
1
answer
611
views
FFMPEG overlay by time not working in my case
Image Overlay on image and enable by time
ffmpeg -y -loop 1 -i .\1080.png -i .\021.jpg -i .\022.jpg -i .\023.jpg -filter_complex " [1:v]scale=534:810[a]; [2:v]scale=534:810[b]; [3:v]scale=534:...
- 103
0
votes
1
answer
501
views
ffmpeg video cropping Invalid too big
Its same issue with this but in video ffmpeg cropping: 'Invalid too big or non positive size for width'
trying to crop the video to an aspect ratio of 9:16, the video size retrieve is Width ...
0
votes
0
answers
994
views
How can I use ffmpeg to stream my USB connected Android device
I want to use my android device as an external monitor.
There are methods using VPN, but they are slow. If you connect two Tablet it becomes unusable, because the bigger the full display amount is, it ...
- 1
0
votes
0
answers
466
views
Image overlay on video between two times using mobile-ffmpeg android
I am trying to add image overlay on video using "mobile-ffmpeg-full-gpl:4.4" library but faced following error
Error when evaluating the expression 'between(t' for enable
I have a class ...
1
vote
1
answer
773
views
I don't know why this FFmpeg command is not working in android? [closed]
Please Save My Day
D/FFmpeg (10151): Build.CPU_ABI : arm64-v8a
D/FFmpeg (10151): ffmpeg is ready!
[GETX] CLOSE TO ROUTE /UploadView
D/FFmpeg (10151): Running publishing updates method
I/message (...
1
vote
2
answers
6k
views
FFMPEG : create a looping video with specific time
I'm trying to convert a GIF file into video and merge the output video with an audio file, so the final result will be a video + audio.
public static String makeVideo(String inputGifPath, String ...
2
votes
0
answers
1k
views
Speed up FFmpeg processing time
I'm using FFmpeg on android to:
1- merge 3 videos
2- add audio
3- add logo
4- trim one of the 3 videos
5- change fps for the output
I have implemented the right code but it took 30 min. for (120 ...
- 129
1
vote
0
answers
972
views
Adding Gif as watermark on video using FFmpeg
I am trying to place gif on video and play the gif continuously until the video ends.I have achieved it by using FFmpeg in android.Below is the code:
String[] command_try=new String[13];
...
- 11