initExtractor

open fun initExtractor(filePath: String): Boolean
open fun initExtractor(fileDescriptor: FileDescriptor): Boolean
open fun initExtractor(filePath: String, headers: Map<String, String>): Boolean
open fun initExtractor(fileDescriptor: FileDescriptor, offset: Long, length: Long): Boolean
open fun initExtractor(context: Context, uri: Uri, headers: Map<String, String>): Boolean