java - Javav Sound selecting DataLines and Ports at runtime -


i understand concept of targetdataline , sourcedataline , have written program list them ports , available controls each. test progam have onboard mic, on board speakers, line in, speaker jack , audio interface 2 inputs , 1 output. inputs on interface treated left , right i'm not sure how differentiate between 2 if act 1 stereo input.

i want able select dataline want use either recording or playback @ runtime. how can identify , separate inputs , outputs list them , allow user select specific 1 use? , if has suggestions handling interface input 2 mono inputs helpful well. in advance.

to convert 2 mono lines stereo requires interleaving left , right, 1 "sample" @ time. size of sample depends on bit depth. example, 16-bit encoding consumes 2 bytes. so, take 2 bytes left, 2 bytes right. repeat duration of lines.

there may prebuilt methods this. check out section in java sound tutorials section on converting formats--it's 4th or 5th section of sound tutorials, , happens best written of bunch if remember correctly. (actual sample code provided, unlike of rest of difficult tutorial.)

i'm not sure how selecting line or port different programming selecting else. make list, , user clicks button associated item, or selects item drop down, plug in.

i have theremin made menubar allows 1 select mixer line. populates radio button set names of mixers found. when select item listener directs 1 install associated mixer.


Comments

Post a Comment

Popular posts from this blog

ios - iPhone/iPad different view orientations in different views , and apple approval process -

i force app's home screen portrait , other views landscape. apple rejects app if this? if not , how force first screen launch in portrait mode? , force other screens launch in landscape. this not duplicate question search every possible answer in website. i force app's home screen portrait , other views landscape. apple rejects app if this? no apple not reject app this. have lot of apps doesn't support orientation. forcing on 1 screen won't cause app reject. if not , how force first screen launch in portrait mode? , force other screens launch in landscape. can on write : -(nsuinteger)supportedinterfaceorientations; function.
Read more

java Extracting Zip file -

i'm looking way extract zip file. far have tried java.util.zip , org.apache.commons.compress, both gave corrupted output. basically, input zip file contain 1 single .doc file. java.util.zip: output corrupted. org.apache.commons.compress: output blank file, 2 mb size. so far commercial software winrar work perfectly. there java library make use of this? this method using java.util library: public void extractzipnative(file filezip) { zipinputstream zis; stringbuilder sb; try { zis = new zipinputstream(new fileinputstream(filezip)); zipentry ze = zis.getnextentry(); byte[] buffer = new byte[(int) ze.getsize()]; fileoutputstream fos = new fileoutputstream(this.tempfolderpath+ze.getname()); int len; while ((len=zis.read(buffer))>0) { fos.write(buffer); } fos.flush(); fos.close(); } catch (filenotfoundexception e) { // todo auto-generated catch block ...
Read more

C# WinForm - loading screen -

i ask how make loading screen (just picture or something) appears while program being loaded, , disappears when program has finished loading. in fancier versions, have seen process bar (%) displayed. how can have that, , how calculate % show on it? i know there form_load() event, not see form_loaded() event, or % property / attribute anywhere. all need create 1 form splash screen , show before main start showing landing page , close splash once landing page loaded. class splashform { //delegate cross thread call close private delegate void closedelegate(); //the type of form displayed splash screen. private static splashform splashform; static public void showsplashscreen() { // make sure launched once. if (splashform != null) return; thread thread = new thread(new threadstart(splashform.showform)); thread.isbackground = true; thread.setapartmentstate(apartmentstate.sta); thread....
Read more