/*
	功能描述：	簡單實現用DirectShow采集Windows麥克風音頻PCM數據
				經過FAAC編碼成AAC存儲文件，可根據項目修改成直播，對講
				等實時傳輸類應用。
				
	From：		http://blog.csdn.net/xiejiashu
	Site:		http://www.easydarwin.org
	時間：		2014/07/28
*/
#include?“../DSAudio/General.h“
#include
#include
#include
#include
#include?“../DSAudio/dscapture.h“
#include?“DSAudio/FAACEncoder.h“

unsigned?char?fBitsPerSample?fNumChannels;
unsigned?fSamplingFrequency;
unsigned?fGranularityInMS;

DSCapture*?ds_capture_;
FAACEncoder*?faac_encoder_;

unsigned?long?max_out_bytes;
unsigned?char*?outbuf;

FILE*?f_aac_;

int?main（）
{

	fBitsPerSample?=?16;?//單個采樣音頻信息位數
	fNumChannels?=?2;?//通道數
	fSamplingFrequency?=?44100;//采樣率

	faac_encoder_?=?new?FAACEncoder（）;?//新建AAC編碼對象

	faac_encoder_->Init（fSamplingFrequencyfNumChannelsfBitsPerSample）;?//初始化AAC編碼器

	ds_capture_?=?new?DSCapture（）;
	std::map?a_devices?=?ds_capture_->DShowGraph（）->AudioCapDevices（）;

	if（a_devices.size（）?==?0?）?::exit（0）;

	DSAudioFormat?audio_fmt;
????audio_fmt.samples_per_sec?=?fSamplingFrequency;
????audio_fmt.channels?=?fNumChannels;
????audio_fmt.bits_per_sample?=?fBitsPerSample;

	//?枚舉音頻采樣設備，選擇最后一個
	CString?audio_device_id;
	for?（std::map::iterator?it?=?a_devices.begin（）;?it?!=?a_devices.end（）;?++it）
????{
		audio_device_id?=?it->first;
????}

????ds_capture_->Create（audio_device_id?audio_fmt?NULL）;
???
	//?開始采集音頻數據
????ds_capture_->StartAudio（）;

	::Sleep（10）;

	max_out_bytes?=?faac_encoder_->MaxOutBytes（）;
????outbuf?=?（unsigned?char*）malloc（max_out_bytes）;

	//?編碼后存文件
	f_aac_?=?fopen（“./audio.aac““wb“）;
	printf（“Recording...“）;
	while（1）
	{
		int?pcmLen?=?0;
		//?采集音頻pcm數據
		char*?pcmBuf?=?ds_capture_->GetBuffer（pcmLen）;
		if（pcmLen?>?0）
		{
			unsigned?int?sample_count?=?（pcmLen?<			unsigned?int?buf_size?=?0;
			//?編碼AAC
			faac_encoder_->Encode（（unsigned?char*）pcmBuf?sample_count?（unsigned?char*）outbuf?buf_size）;	
			if（buf_size?>?0）
			{
				printf（“.“）;
				//?存文件或者自定義
				fwrite（outbuf1buf_sizef_aac_）;
			}			
		}
		//?釋放采集的pcm數據
		ds_capture_->ReleaseBuffer（pcmBuf）;	
		::Sleep（1）;
	}

	free（outbuf）;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????887??2013-09-22?17:35??WinAudioRecord\AudioRecord.sln

?????文件???????5769??2013-09-23?15:10??WinAudioRecord\AudioRecord.vcproj

?????文件?????131072??2013-07-21?22:50??WinAudioRecord\Debug\libfaacd.dll

?????文件????????631??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\activecf.h

?????文件???????1826??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\amaudio.h

?????文件???????1065??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\amparse.h

?????文件??????73261??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\amstream.h

?????文件???????3974??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\amva.h

?????文件??????19851??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\Amvideo.h

?????文件???????1097??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\atsmedia.h

?????文件???????1532??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\audevcod.h

?????文件??????20543??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\austream.h

?????文件??????13805??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\aviriff.h

?????文件???????6861??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\basetsd.h

?????文件?????125594??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\bdaiface.h

?????文件??????54539??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\bdamedia.h

?????文件??????53527??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\Bdatif.h

?????文件??????15486??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\bdatypes.h

?????文件????????944??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\comlite.h

?????文件?????178266??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\control.h

?????文件??????88071??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3d.h

?????文件??????72232??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3d8.h

?????文件??????16088??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3d8caps.h

?????文件??????63735??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3d8types.h

?????文件??????96132??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3d9.h

?????文件??????22164??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3d9caps.h

?????文件??????69800??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3d9types.h

?????文件??????26113??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3dcaps.h

?????文件??????14874??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3drm.h

?????文件??????24261??2013-07-21?22:54??WinAudioRecord\DirectShow\Include\d3drmdef.h

............此處省略202個文件信息