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# helpdesks
steep-balloon-41261
09/01/2023, 3:57 PMThis message was deleted.
✅ 1
d
dry-elephant-14928
09/01/2023, 6:44 PMYeah it should be possible to. Which AR/filters library are you working with?
c
cold-camera-7729
09/14/2023, 10:05 AMAny sample app or methods to integrate deepar filters in android client app.
cold-camera-7729
09/14/2023, 10:05 AMcold-camera-7729
09/21/2023, 6:32 AMhi, @eager-raincoat-52616, any suggestions or sample project for this?
e
eager-raincoat-52616
09/21/2023, 6:37 AM@cold-camera-7729 you can pass in a
VideoProcessorLocalParticipant.createVideoTrack()eager-raincoat-52616
09/21/2023, 6:38 AMI’ll write up a quick example
c
cold-camera-7729
09/21/2023, 6:43 AMthat will really help alot
cold-camera-7729
09/21/2023, 6:44 AMJust curious will it be able to add a static image to local video track as well(for purpose of watermark) with this VideoProcessor ?
e
eager-raincoat-52616
09/21/2023, 6:44 AMYou can do whatever you want with the video frames you receive
eager-raincoat-52616
09/21/2023, 6:45 AMcan’t really help you with the specifics of filters or adding images
c
cold-camera-7729
09/21/2023, 6:46 AMthats completely ok, i will try with specifics, but couldn't find any sample code of using VideoProcessor
cold-camera-7729
09/21/2023, 6:47 AMso any guidance or general/pseudo code will be helpful
e
eager-raincoat-52616
09/21/2023, 7:37 AM Copy code
class ExampleVideoProcessor : VideoProcessor {
private var sink: VideoSink? = null
override fun onCapturerStarted(success: Boolean) {
}
override fun onCapturerStopped() {
}
override fun onFrameCaptured(frame: VideoFrame) {
val processedFrame = process(frame)
sink?.onFrame(processedFrame)
// Make sure to release when you're done with frame.
processedFrame.release()
}
private fun process(frame: VideoFrame): VideoFrame {
val buffer = frame.buffer.toI420() ?: return frame
// Modify video buffer as needed...
return VideoFrame(buffer, frame.rotation, frame.timestampNs)
}
override fun setSink(sink: VideoSink?) {
this.sink = sink
}
}
fun publishProcessedVideo() {
val videoTrack = localParticipant.createVideoTrack(
videoProcessor = ExampleVideoProcessor(),
)
videoTrack.startCapture()
localParticipant.publishVideoTrack(
track = videoTrack,
)
}eager-raincoat-52616
09/21/2023, 8:40 AMhere’s an example of a monochrome filter: https://github.com/livekit/client-sdk-android/wiki/Post%E2%80%90Processing-Local-Video
c
cold-camera-7729
09/21/2023, 9:40 AMsure,thanks alot,will look into that.
b
boundless-salesclerk-13461
09/21/2023, 12:50 PM@eager-raincoat-52616 this is very cool, I'm trying to port the gist to dart but running into obstacles.
For example, in
publishProcessedVideo()LocalParticipantcreateVideoTrack()