Stack Overflow
Stack Overflow

Questions tagged [mobile-ffmpeg]

49 questions
0
votes
1 answer

How to configure flutter ffmpeg

I am developing a flutter app with flutter_ffmpeg package , I want to compress video and using this function FFmpeg.execute('-i input.mp4 -c:v lib*264 crf 0 output.mp4') Now , the ffmpeg is saying unrecognised option CRF after removing it , it says…
kvvisony
  • 11
  • 1
  • 2
0
votes
1 answer

Android-FFmpeg adding subtitle to mp4 video does not work

I am trying to add srt file to a mp4 video using android mobile-ffmpeg , the code works with no error but the generated video does not contain the subtitle here is the code : String cmd = "-i " + videoPath + " -vf subtitles=\"" + subtitlePath +…
ebdaa app
  • 11
  • 2
0
votes
0 answers

FFmpeg: fade in and fade out doesn't work with filter_complex

I have several audio files in Mac application that I need to merge so that the finished file starts with a fade in, then crossfade between audio files, and ends by fade out. I have the following query and it works only partially. Crossfade works…
George
  • 1
0
votes
0 answers

How to improve video quality after using "filter_complex" ffmopeg command?

I'm using the afir filter to add reverb effects in the video using the following command. val reverbFFmpegCommand = arrayOf( "-i", originalVideoPath, "-i", …
mendax01
  • 31
  • 6
0
votes
1 answer

FFmpeg - How to concatenate video from images without losing quality

I am concatenating images into a video using mobileffmpeg cocoapod using the command below but the video quality drops a bit when it has finished concatenating. -f concat -i \(outputTxt) -b:v 8M -pattern_type sequence -r 25 \(output) I can see the…
STerrier
  • 3,755
  • 1
  • 16
  • 41
0
votes
1 answer

Showing video play progress while selecting the video range for trimming

I am designing an android video editor app and one of the feature is to trim video, selected from gallery. I can give an option to select the range using the RangeSlider, displayed at the bottom of the VideoView, to the user and then use FFMPEG…
Suman Mondal
  • 47
  • 1
  • 6
0
votes
1 answer

Flutter FFmpeg - [AVFilterGraph @ 0x88f4b300] No such filter: '"scale'

So, I am trying to combine an image and an audio file and convert it to a video using ffmpeg in flutter using flutter-ffmpeg but I am getting this error when I am trying to use executewithareguments() function. I am getting this error -> I…
Aryan Shandilya
  • 85
  • 9
0
votes
0 answers

How to Image on Another image using FFMPEG in Android

I am working on an Android Video Editor App & I am just a newbie. I want to Add overlay of image , test, or sticker on video & that can be moved and resized by guestures like of zoom and drag. Could anyone help me out in this
Retrix Dev
  • 1
0
votes
0 answers

FFMPEG - WEBM to AVI conversion failed

I am trying to convert an webm file to avi using mobile-ffmpeg on android device. For this I have used the following command: -hide_banner -i /storage/emulated/0/Download/input.webm -vcodec copy -acodec mp3 -async 1…
Yeamin Chowdhury
  • 502
  • 1
  • 9
  • 19
0
votes
1 answer

How to keep video quality same as it is after merge intro image beggining to video using ffmpeg

I have selected high resolution video but once i run command the video resolution quality was changed and too poor quality's video i get as output video, but i don't would like to loose my video quality. let me share full command and complete log…
Manoj Kag
  • 11
  • 2
0
votes
1 answer

FFmpeg .avi to .mp4 video transcoding - Android

Using OpenCV 4.5.2 + FFMPEG on an android app I'm trying to convert an .avi video file into a .mp4 file using x264, by running ffmpeg -i input.avi -c:v libx264 output.mp4 The transcoding is processed correctly but, when I play the video, the colors…
Tiago Ornelas
  • 1,109
  • 8
  • 21
0
votes
1 answer

MOBILE FFMPEG filter complex with yup420 output issues

I am creating video by images using mobile-ffmpeg using complex-filter and format yuv420, I am having problem width is not divisible by 2(601*900) like so. This error is occuring for some video creations for many it is working fine. My filter…
najam ulhassan
  • 33
  • 6
0
votes
1 answer

Is there a way to use libvlc / libvlcsharp to non interactively transcode or compress a video on iOS?

I am using libVLCSharp (Xamarin bindings to the libvlc library) for video playback. I am adding a feature to transcode / compress downloaded videos to the local filesystem. Normally I'd use mobile-ffmpeg for this, but since internally VLC uses…
voidsstr
  • 133
  • 1
  • 10
0
votes
1 answer

FFMPEG Android Library Reduce Android App Size

I am using audio/video manipulation library mentioned below. MobileFFmpeg --- implementation 'com.arthenica:mobile-ffmpeg-min:4.4' After implementation and applying ProGuard rules app download size is 26.8 Mb. I want to reduce the app size. How to…
Shahryar Ahmed
  • 197
  • 1
  • 9
0
votes
1 answer

ffmpeg command execution never stops

I am trying to concatenate 3 videos of different resolutions and overlaying 2 videos as transition effects(though the chroma key color removal is not yet implemented) between videos using below command: ffmpeg -i input1.mp4 -i input2.mp4 -i…
Khawar Raza
  • 15,870
  • 24
  • 70
  • 127
1 2
3
4