//By?Fanxiushu?2011-10-24

#include?“common.h“
#include?“top_wav.h“

///common?function
PWAVEFORMATEX??GetWaveFormatEx（?IN??PKSDATAFORMAT?pDataFormat??）
{

????PWAVEFORMATEX???????????pWfx?=?NULL;
????
????//?If?this?is?a?known?dataformat?extract?the?waveformat?info.
????//
????if
????（?
????????pDataFormat?&&
????????（?IsEqualGUIDAligned（pDataFormat->MajorFormat?
????????????????KSDATAFORMAT_TYPE_AUDIO）?????????????&&
??????????（?IsEqualGUIDAligned（pDataFormat->Specifier?
????????????????KSDATAFORMAT_SPECIFIER_WAVEFORMATEX）?||
????????????IsEqualGUIDAligned（pDataFormat->Specifier?
????????????????KSDATAFORMAT_SPECIFIER_DSOUND）?）?）
????）
????{
????????pWfx?=?PWAVEFORMATEX（pDataFormat?+?1）;

????????if?（IsEqualGUIDAligned（pDataFormat->Specifier?
????????????????KSDATAFORMAT_SPECIFIER_DSOUND））
????????{
????????????PKSDSOUND_BUFFERDESC????pwfxds;

????????????pwfxds?=?PKSDSOUND_BUFFERDESC（pDataFormat?+?1）;
????????????pWfx?=?&pwfxds->WaveFormatEx;
????????}
????}

????return?pWfx;
}?
NTSTATUS?ValidateFormat（IN??PKSDATAFORMAT??pDataFormat）
{
	NTSTATUS?status?=?STATUS_INVALID_PARAMETER;
	PWAVEFORMATEX???????????????pwfx;

????pwfx?=?GetWaveFormatEx（pDataFormat）;
????if?（pwfx）
????{
????????if?（IS_VALID_WAVEFORMATEX_GUID（&pDataFormat->SubFormat））
????????{
????????????USHORT?wfxID?=?EXTRACT_WAVEFORMATEX_ID（&pDataFormat->SubFormat）;

????????????switch?（wfxID）
????????????{
????????????????case?WAVE_FORMAT_PCM:
????????????????{
????????????????????switch?（pwfx->wFormatTag）
????????????????????{
????????????????????????case?WAVE_FORMAT_PCM:
????????????????????????{
????????????????????????????if（?pwfx->nChannels>=MIN_CHANNELS&&pwfx->nChannels<=MAX_CHANNELS_PCM?&&
								pwfx->wBitsPerSample>=MIN_BITS_PER_SAMPLE_PCM?&&?pwfx->wBitsPerSample<=MAX_BITS_PER_SAMPLE_PCM?&&
								pwfx->nSamplesPerSec>=MIN_SAMPLE_RATE?&&?pwfx->nSamplesPerSec<=MAX_SAMPLE_RATE?）
							{
								status?=?STATUS_SUCCESS;?
							}
????????????????????????????break;
????????????????????????}
????????????????????}
????????????????????break;
????????????????}

????????????????default:
????????????????????DPT（“Invalid?format?EXTRACT_WAVEFORMATEX_ID!“）;
????????????????????break;
????????????}
????????}
????????else
????????{
????????????DPT（“Invalid?pDataFormat->SubFormat!“?）;
????????}
????}

????return?status;
}?

///copy?from?MSVAD
NTSTATUS????????????????????????
PropertyHandler_BasicSupport
（
????IN?PPCPROPERTY_REQUEST?????????PropertyRequest
????IN?ULONG???????????????????????Flags
????IN?DWORD???????????????????????PropTypeSetId
）

{

????ASSERT（Flags?&?KSPROPERTY_TYPE_BASICSUPPORT）;

????NTSTATUS????????????????????ntStatus?=?STATUS_INVALID_PARAMETER;

????if?（PropertyRequest->ValueSize?>=?sizeof（KSPROPERTY_DEscriptION））
????{
????????//?if?return?buffer?can?hold?a?KSPROPERTY_DEscriptION?return?it
????????//
????????PKSPROPERTY_DEscriptION?PropDesc?=?
????????????

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

?????文件???????3073??2011-11-04?14:28??driver\buildfre_win7_x86.log

?????文件??????14669??2011-10-27?16:36??driver\common.cpp

?????文件???????3914??2011-10-27?16:38??driver\common.h

?????文件???????2743??2011-10-27?16:24??driver\data_trans.cpp

?????文件???????1281??2011-11-04?12:07??driver\main.cpp

?????文件????????675??2011-10-24?18:05??driver\makefile

?????文件??????96798??2011-11-04?14:02??driver\objfre_win7_x86\i386\common.obj

?????文件??????77546??2011-11-04?14:02??driver\objfre_win7_x86\i386\data_trans.obj

?????文件??????75700??2011-11-04?14:02??driver\objfre_win7_x86\i386\main.obj

?????文件???????1003??2011-11-04?14:07??driver\objfre_win7_x86\i386\main.obj.oacr.root.x86fre.pft.xml

?????文件??????98859??2011-11-04?14:02??driver\objfre_win7_x86\i386\stream.obj

?????文件????????599??2011-11-04?14:07??driver\objfre_win7_x86\i386\stream.obj.oacr.root.x86fre.pft.xml

?????文件??????94902??2011-11-04?14:02??driver\objfre_win7_x86\i386\topo.obj

?????文件?????192512??2011-11-04?14:02??driver\objfre_win7_x86\i386\vc90.pdb

?????文件??????97083??2011-11-04?14:02??driver\objfre_win7_x86\i386\wave.obj

?????文件????????908??2011-11-04?14:28??driver\objfre_win7_x86\i386\wav_mixer.res

?????文件????????460??2011-11-04?14:28??driver\objfre_win7_x86\i386\_objects.mac

?????文件????????456??2011-11-04?14:27??driver\resource.h

?????文件????????490??2011-10-27?15:20??driver\sources

?????文件??????10524??2011-11-02?22:10??driver\stream.cpp

?????文件???????1845??2011-10-26?16:34??driver\stream.h

?????文件???????9804??2011-11-04?13:36??driver\topo.cpp

?????文件??????13007??2011-10-27?15:39??driver\toptable.h

?????文件???????1808??2011-10-27?15:09??driver\top_wav.h

?????文件??????10922??2011-11-02?22:11??driver\wave.cpp

?????文件???????6038??2010-02-08?20:06??driver\wavtable.h

?????文件??????36636??2011-11-04?14:28??driver\wav_mixer.aps

?????文件???????1286??2011-11-04?14:37??driver\wav_mixer.cat

?????文件???????4191??2011-11-04?13:38??driver\wav_mixer.inf

????.CA....????461824??2011-11-04?14:28??driver\wav_mixer.pdb

............此處省略8個文件信息