Reimplemented the asynchronous source filter.

dlls/quartz/README

 
-quartz.dll is the basic library of ActiveMovie/DirectShow.
+notes for implementing quartz.dll
 
-TODO
+FIXMEs
 
-  - avoid deadlock
+  - deadlocks
   - merge some C sources
   - implement filters
-  - restruct color-space converter
+  - color-space converter
   - sort active filters in filter graph
-  - fix deadlocks in Receive/EndOfStream
-  - handle plug-in distributor
-  - handle seeking
-  - implement some interfaces as plug-ins(???)
-  - implement ACM wrapper (improve xform)
-  - implement mciqtz(mci driver for quartz)
-  - implement renderer
-  - handle notification correctly
+  - plug-in distributors
+  - seeking
+  - ACM wrapper
+  - mciqtz(mci driver for quartz)
+  - renderers
+  - notifications
 
-known BUGS
+known issues
 
   - all FIXMEs.
-  - some filters crash at CoCreateInstance. (???)
+
+known/unconfirmed patent issues
+
+  - Some kinds of implementation of asynchronous I/O
+  - ASF
+  - WM?
+  - MPEG-1/video
+  - MPEG-1/audio
+  - DVD navigator
+  - AC3 parser
+
 

dlls/quartz/asyncsrc.h

@@ -40,14 +40,7 @@ typedef struct CAsyncReaderImpl
 
 	CRITICAL_SECTION	m_csReader;
 	BOOL	m_bInFlushing;
-	BOOL	m_bAbortThread;
-	HANDLE	m_hEventInit;
-	HANDLE	m_hEventCancel;
-	HANDLE	m_hEventReqQueued;
-	HANDLE	m_hEventSampQueued;
-	HANDLE	m_hThread;
 	CRITICAL_SECTION	m_csRequest;
-	AsyncSourceRequest*	m_pRequestFirst;
 	CRITICAL_SECTION	m_csReply;
 	AsyncSourceRequest*	m_pReplyFirst;
 	CRITICAL_SECTION	m_csFree;
@@ -96,12 +89,9 @@ struct AsyncSourceRequest
 {
 	AsyncSourceRequest*	pNext;
 
-	LONGLONG	llStart;
-	LONG	lLength;
-	LONG	lActual;
-	BYTE*	pBuf;
 	IMediaSample*	pSample; /* for async req. */
 	DWORD_PTR	dwContext; /* for async req. */
+	HRESULT	hr;
 };
 
 struct AsyncSourceHandlers