Android video trimming library

Question

I am doing Video Triming and using k4l-video-trimmer library. I am getting an issue. I have downloaded the latest code and integrate it on Android Studio. When i select a video, k4l-video-trimmer successfully prepared the video and correctly shows video info and snapshots. I have set the max duration to 10 sec but when move the progressbar to crop the video at specific duration, the cropping duration which is showing on screen like (01:21 sec - 01:31 sec) for 10 sec will change to (01:21 sec - 01:36 sec) becomes 15 sec duration that is an issue and when I crop the video, it will crop it for 23 sec. I don't know how to resolve this issue. Please help me to resolve this issue

Answer 1

You can use mobile-ffmpeg Supports API Level 16+

fun scaleVideo(path: String, destinationFilePath: String) {
    _loaderVisisble.value = true
    viewModelScope.launch {
        val cmd = arrayOf(
            "-i",
            path,
            "-vf",
            "scale=576:1024:force_original_aspect_ratio=decrease",
            destinationFilePath
        )
        Log.v("str_Cmd", cmd.toString() + "")
        val status = executeCommand(cmd)
        when (status) {
            FFmpeg.RETURN_CODE_SUCCESS -> {
                _loaderVisisble.value = false
                val mergedFile = File(destinationFilePath)
                Log.v(
                    "target_file_size",
                    (mergedFile.length() / 1024).toString().toInt().toString() + ""
                )
                onVideoScaleListener.postValue(destinationFilePath)
            }
            FFmpeg.RETURN_CODE_CANCEL -> {
                _loaderVisisble.value = false
            }
            else -> {
                _loaderVisisble.value = false
            }
        }
    }
}


private suspend fun executeCommand(cmd: Array<String>): Int {
    var status = -1
    withContext(Dispatchers.Default) {
        val rc = FFmpeg.execute(cmd)
        when (rc) {
            FFmpeg.RETURN_CODE_SUCCESS -> {
                Log.i(
                    Config.TAG,
                    "Command execution completed successfully."
                )
            }
            FFmpeg.RETURN_CODE_CANCEL -> {
                Log.i(
                    Config.TAG,
                    "Command execution cancelled by user."
                )
            }
            else -> {
                Log.i(
                    Config.TAG,
                    String.format(
                        "Command execution failed with rc=%d and the output below.",
                        rc
                    )
                )
            }
        }
        status = rc
    }
    return status
}