ffmpeg-kit | Supports | iOS library
kandi X-RAY | ffmpeg-kit Summary
kandi X-RAY | ffmpeg-kit Summary
FFmpeg Kit for applications. Supports Android, Flutter, iOS, macOS, React Native and tvOS. Supersedes MobileFFmpeg, flutter_ffmpeg and react-native-ffmpeg.
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ffmpeg-kit Key Features
ffmpeg-kit Examples and Code Snippets
Community Discussions
Trending Discussions on ffmpeg-kit
QUESTION
I need to put overlay images to a video. It is working on Android without problem. But on iOS platform, if I try 23-24 overlay images, it is working correctly. If I try it with 30+ images, it gives memory allocation error.
Error while filtering: Cannot allocate memory
Failed to inject frame into filter network: Cannot allocate memory
Every overlay image is around 50 kb Video is around 250 MB I tried with smaller images, so I can use 40+ images without problem, so it is not related with counts, it is related with file size. I think there is a limit like 1MB for complex filter streams.
I tried lots of thinks but no luck.. I have two questions:
- Is my ffmpeg command correct?
- Can you suggest me any improvements, alternatives?
Update: What am I trying to do?
I'm trying to make burned subtitled video. But I also need to support emoji too. So I figured out it like these steps:
- Create all subtitle items as .png images.
- Overlay these images to video with correct timing.
FFmpeg Command:
...ANSWER
Answered 2022-Mar-20 at 00:13What you are experiencing is the nature of large filtergraphs. Every link between filters requires a frame buffer (at least 6 MB) and filtering operation itself may require additional memory space. So, it must use up your iDevice's memory (which must be smaller than the Androids).
So, the solution must be the one which minimizes the number of filters, and you can do that by using the concat
demuxer so all your images originates from one (virtual) source, and use overlay
with more complex enable
option.
png_list.txt
QUESTION
I am trying to enable package of ffmpeg-kit-react-native in react-native.
The sample commands given in the example executes successfully. But I want to use libwebp
for converting gif files to webp which is under package named video
. As instrcuted . I have to enable the package to use some libraries.
2.2.1 Enabling a Package on Android Edit android/build.gradle file and add the package name in ext.ffmpegKitPackage variable.
...
ANSWER
Answered 2022-Feb-04 at 16:44add this in your node_module/ffmpeg-kit-react-native/android/build.gradle
QUESTION
on my personal project, I get the same error from any package that uses the ffmpeg_kit_flutter package, which I am sure is related to ffmpeg.
...ANSWER
Answered 2021-Dec-08 at 21:07Try changing the dependency in your pubspec.yaml to:
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