Extracts all pending data from the encoder and forwards it to the muxer. <p/> If endOfStream is not set, this returns when there is no more data to dr

停止录制

desc:获取保存的Object对象 @param context @param key @return modified:

desc:保存对象 @param context @param key @param obj 要保存的对象，只能保存实现了serializable的对象 modified:

desc:将16进制的数据转为数组 @param data @return modified:

temp restriction: Always call after _offerVideoEncoder @param input @param presentationTimeNs

Called from encodingService

给编码出的aac裸流添加adts头字段 @param packet 要空出前7个字节，否则会搞乱数据 @param packetLen

desc:将数组转为16进制 @param bArray @return modified:

检查是否拥有指定的所有权限

temp restriction: Always call after offerVideoEncoder @param input

Begin polling audio and transferring it to the buffer. Call this before emptyBuffer().

Stop polling audio.

A native method that is implemented by the 'native-lib' native library, which is packaged with this application.

Returns a TempFile with given root, filename, and extension. The resulting TempFile is safe for use with Android's MediaRecorder @param c @param root

Return the number of microseconds represented by each audio frame calculated with the sampling rate and samples per frame @return

Returns a Java File initialized to a directory of given name at the root storage location, with preference to external storage. If the directory did n

Returns a Java File initialized to a directory of given name within the given location. @param parent_directory a File representing the directory in