Function calls for iOS recording

Int I, bufferbytesize;

Uint32 size;

Cfurlref URL;

Readarri = 0;

Try {

Mfilename = cfstringcreatecopy (kcfallocatordefault, inrecordfile );

// Specify the recording format

Setupaudioformat (kaudioformatlinearpcm );

// Create the queue

Xthrowiferror (audioqueuenewinput (

& Mrecordformat,

Myinputbufferhandler,

This/* userdata */,

Null/* Run loop */, null /*
Run loop mode */,

0/* flags */, & mqueue), "audioqueuenewinput
Failed ");

// Get the record format back from the queue's Audio Converter --

// The file may require a more specific stream description than was necessary to create the encoder.

Mrecordpacket = 0;

Size = sizeof (mrecordformat );

Xthrowiferror (audioqueuegetproperty (mqueue, kaudioqueueproperty_streamdescription,

& Mrecordformat, & size), "couldn't get queue's format ");

Nsstring * recordfile = [nstemporarydirectory () stringbyappendingpathcomponent:
(Nsstring *) inrecordfile];

Url = cfurlcreatewithstring (kcfallocatordefault, (cfstringref) recordfile, null );

// Create the audio file

Xthrowiferror (audiofilecreatewithurl (URL, kaudiofilecaftype,
& Mrecordformat, kaudiofileflags_erasefile,

& Mrecordfile), "audiofilecreatewithurl failed ");

Cfrelease (URL );

// Copy the cookie first to give the file object as much info as we can about the data going in

// Not necessary for PCM, but required for some compressed audio

Copyencodercookietofile ();

// Allocate and enqueue Buffers

Bufferbytesize = computerecordbuffersize (& mrecordformat, kbufferdurationseconds );//
Enough bytes for half a second

For (I = 0; I <knumberrecordbuffers; ++ I ){

Xthrowiferror (audioqueueallocatebuffer (mqueue, bufferbytesize, & mbuffers [I]),

"Audioqueueallocatebuffer failed ");

Xthrowiferror (audioqueueenqueuebuffer (mqueue, mbuffers [I], 0, null ),

"Audioqueueenqueuebuffer failed ");

}

// Start the queue

Misrunning = true;

Xthrowiferror (audioqueuestart (mqueue, null), "audioqueuestart
Failed ");

}

Catch (caxexception & E ){

Char Buf [256];

Fprintf (stderr, "error: % s (% s) \ n", E. moperation, E. formaterror (BUF ));

}

Catch (...){

Fprintf (stderr, "an unknown
Error occurred \ n ");

}