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/*
* Copyright (C) 2003-2006 Gabest
* http://www.gabest.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Make; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
* http://www.gnu.org/copyleft/gpl.html
*
*/
#pragma once
#include "MultiFiles.h"
interface __declspec(uuid("6DDB4EE7-45A0-4459-A508-BD77B32C91B2"))
ISyncReader : public IUnknown
{
STDMETHOD_(void, SetBreakEvent) (HANDLE hBreakEvent) = 0;
STDMETHOD_(bool, HasErrors) () = 0;
STDMETHOD_(void, ClearErrors) () = 0;
STDMETHOD_(void, SetPTSOffset) (REFERENCE_TIME* rtPTSOffset) = 0;
};
interface __declspec(uuid("7D55F67A-826E-40B9-8A7D-3DF0CBBD272D"))
IFileHandle : public IUnknown
{
STDMETHOD_(HANDLE, GetFileHandle)() = 0;
STDMETHOD_(LPCTSTR, GetFileName)() = 0;
};
class CAsyncFileReader : public CUnknown, public CMultiFiles, public IAsyncReader, public ISyncReader, public IFileHandle
{
protected:
ULONGLONG m_len;
HANDLE m_hBreakEvent;
LONG m_lOsError; // CFileException::m_lOsError
public:
CAsyncFileReader(CString fn, HRESULT& hr);
CAsyncFileReader(CAtlList<CHdmvClipInfo::PlaylistItem>& Items, HRESULT& hr);
DECLARE_IUNKNOWN;
STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);
// IAsyncReader
STDMETHODIMP RequestAllocator(IMemAllocator* pPreferred, ALLOCATOR_PROPERTIES* pProps, IMemAllocator** ppActual) {return E_NOTIMPL;}
STDMETHODIMP Request(IMediaSample* pSample, DWORD_PTR dwUser) {return E_NOTIMPL;}
STDMETHODIMP WaitForNext(DWORD dwTimeout, IMediaSample** ppSample, DWORD_PTR* pdwUser) {return E_NOTIMPL;}
STDMETHODIMP SyncReadAligned(IMediaSample* pSample) {return E_NOTIMPL;}
STDMETHODIMP SyncRead(LONGLONG llPosition, LONG lLength, BYTE* pBuffer);
STDMETHODIMP Length(LONGLONG* pTotal, LONGLONG* pAvailable);
STDMETHODIMP BeginFlush() {return E_NOTIMPL;}
STDMETHODIMP EndFlush() {return E_NOTIMPL;}
// ISyncReader
STDMETHODIMP_(void) SetBreakEvent(HANDLE hBreakEvent) {m_hBreakEvent = hBreakEvent;}
STDMETHODIMP_(bool) HasErrors() {return m_lOsError != 0;}
STDMETHODIMP_(void) ClearErrors() {m_lOsError = 0;}
STDMETHODIMP_(void) SetPTSOffset (REFERENCE_TIME* rtPTSOffset) { m_pCurrentPTSOffset = rtPTSOffset;};
// IFileHandle
STDMETHODIMP_(HANDLE) GetFileHandle();
STDMETHODIMP_(LPCTSTR) GetFileName();
};
class CAsyncUrlReader : public CAsyncFileReader, protected CAMThread
{
CString m_url, m_fn;
protected:
enum {CMD_EXIT, CMD_INIT};
DWORD ThreadProc();
public:
CAsyncUrlReader(CString url, HRESULT& hr);
virtual ~CAsyncUrlReader();
// IAsyncReader
STDMETHODIMP Length(LONGLONG* pTotal, LONGLONG* pAvailable);
};
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