//
//??AlinkAudioTransport.m
//??GDAlinkSDK
//
//??Created?by?qihongru?on?15/11/27.
//??Copyright???2015年?AutoNavi.?All?rights?reserved.
//

#import?“AlinkAudioTransport.h“
//#import?“AlinkWiFiSocketOperator.h“
//#import?“AlinkEASessionOperator.h“
//#import?“AlinkCommandRequest.h“
#import?“GDAudioTranscoder.h“
#import?

#define?SEND_DATA_LENGTH?（44100*8）
#define?SEND_TIME_INTERVAL?????????0.2
#define?SEND_TIME_TOLERANC?????????0

@interface?AlinkAudioTransport（）
{
????void*?_pcmDataBuffer;
}

@property?（nonatomic?strong）?NSMutableData?*musicData;
@property?（nonatomic?strong）?dispatch_queue_t?audioTransport;
@property?（nonatomic?strong）?dispatch_source_t?sendTimer;
@property?（nonatomic?strong）?GDAudioTranscoder?*transcoder;

@end

@implementation?AlinkAudioTransport

-?（id）initWithURL:（NSURL?*）url?httpRequestHeaders:（NSDictionary?*）httpRequestHeaders?transcodingToUrl:（NSURL?*）transcodeToUrl{
????
????if?（self?=?[super?init]）?{
????????_musicData?=?[NSMutableData?data];
????????_audioTransport?=?dispatch_queue_create（“com.Alink.AudioTransport.queue“?NULL）;
????????
????????_pcmDataBuffer?=?malloc（SEND_DATA_LENGTH）;
????????
????????_transcoder?=?[[GDAudioTranscoder?alloc]?initWithURL:url?httpRequestHeaders:httpRequestHeaders?transcodingToUrl:transcodeToUrl];
????????_transcoder.delegate?=?self;
????????_transcoder.outputAudioFileType?=?kAudioFileWAVEType;
????????_transcoder.outputAudioFormat?=?kAudioFormatLinearPCM;
????????
????????_transcoder.outputBufferSize?=?SEND_DATA_LENGTH;
????}
????
????return?self;
}

-?（id）initWithURL:（NSURL?*）url?transcodingToUrl:（NSURL?*）transcodeToUrl{
???return?[self?initWithURL:url?httpRequestHeaders:nil?transcodingToUrl:transcodeToUrl];
}

-（void）dealloc{
????if?（_pcmDataBuffer）?{
????????free（_pcmDataBuffer）;
????}
????
????_pcmDataBuffer?=?NULL;
}

-?（void）startTransport
{
????__weak?AlinkAudioTransport?*wself?=?self;
????
????dispatch_async（self.audioTransport?^{
????????[wself.transcoder?start];
????????
????????[wself?createAndStartSendDataTimer];
????????
????????[[NSRunLoop?currentRunLoop]?run];
????????
????}）;
}

-?（void）createAndStartSendDataTimer
{
????
????self.sendTimer?=?dispatch_source_create（DISPATCH_SOURCE_TYPE_TIMER?0?0?self.audioTransport）;
????
????_pcmDataBuffer?=?malloc（SEND_DATA_LENGTH）;
????
????if?（self.sendTimer?!=?NULL）?{
????????dispatch_source_set_timer（self.sendTimer
??????????????????????????????????dispatch_time（DISPATCH_TIME_NOW?SEND_TIME_INTERVAL?*?NSEC_PER_SEC）
??????????????????????????????????SEND_TIME_TOLERANC?*?NSEC_PER_SEC?0）;
????????
????????dispatch_source_set_event_handler（self.sendTimer?^{
????????????[self?readNextPCMData];
????????}）;
????????
????????dispatch_resume（self.sendTimer）;
????}

????
????
}

-?（void）cancel
{
????[self?invalidateSendTimer];
????[self.transcoder?cancel];
}


-?（void）invalidateSendTimer
{
????if?（self.sendTimer?!=?NULL）?{
????????dispatch_source_t?timer?=?self.sendTimer;
????????
??

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-11-26?09:01??lameTest\
?????文件????????6148??2015-12-01?09:52??lameTest\.DS_Store
?????目錄???????????0??2015-12-01?09:52??__MACOSX\
?????目錄???????????0??2015-12-01?09:52??__MACOSX\lameTest\
?????文件?????????120??2015-12-01?09:52??__MACOSX\lameTest\._.DS_Store
?????目錄???????????0??2015-12-01?09:52??lameTest\lameTest\
?????文件????????6148??2015-12-01?09:52??lameTest\lameTest\.DS_Store
?????目錄???????????0??2015-12-01?09:52??__MACOSX\lameTest\lameTest\
?????文件?????????120??2015-12-01?09:52??__MACOSX\lameTest\lameTest\._.DS_Store
?????文件?????????745??2015-11-30?14:28??lameTest\lameTest\AlinkAudioTransport.h
?????文件?????????171??2015-11-30?14:28??__MACOSX\lameTest\lameTest\._AlinkAudioTransport.h
?????文件????????5512??2015-11-30?15:04??lameTest\lameTest\AlinkAudioTransport.m
?????文件?????????171??2015-11-30?15:04??__MACOSX\lameTest\lameTest\._AlinkAudioTransport.m
?????文件?????????272??2015-11-13?17:13??lameTest\lameTest\AppDelegate.h
?????文件?????????171??2015-11-13?17:13??__MACOSX\lameTest\lameTest\._AppDelegate.h
?????文件????????2026??2015-11-13?17:19??lameTest\lameTest\AppDelegate.m
?????文件?????????171??2015-11-13?17:19??__MACOSX\lameTest\lameTest\._AppDelegate.m
?????目錄???????????0??2015-11-13?17:13??lameTest\lameTest\Assets.xcassets\
?????目錄???????????0??2015-11-13?17:13??lameTest\lameTest\Assets.xcassets\AppIcon.appiconset\
?????文件?????????585??2015-11-13?17:13??lameTest\lameTest\Assets.xcassets\AppIcon.appiconset\Contents.json
?????目錄???????????0??2015-12-01?09:52??__MACOSX\lameTest\lameTest\Assets.xcassets\
?????目錄???????????0??2015-12-01?09:52??__MACOSX\lameTest\lameTest\Assets.xcassets\AppIcon.appiconset\
?????文件?????????171??2015-11-13?17:13??__MACOSX\lameTest\lameTest\Assets.xcassets\AppIcon.appiconset\._Contents.json
?????目錄???????????0??2015-11-25?16:08??lameTest\lameTest\base.lproj\
?????文件????????1664??2015-11-13?17:13??lameTest\lameTest\base.lproj\LaunchScreen.storyboard
?????目錄???????????0??2015-12-01?09:52??__MACOSX\lameTest\lameTest\base.lproj\
?????文件?????????171??2015-11-13?17:13??__MACOSX\lameTest\lameTest\base.lproj\._LaunchScreen.storyboard
?????文件????????1588??2015-11-25?16:08??lameTest\lameTest\base.lproj\Main.storyboard
?????文件????????3963??2015-11-27?16:20??lameTest\lameTest\GDAudioTranscoder.h
?????文件?????????171??2015-11-27?16:20??__MACOSX\lameTest\lameTest\._GDAudioTranscoder.h
?????文件???????36560??2015-11-30?15:04??lameTest\lameTest\GDAudioTranscoder.m
............此處省略152個文件信息