guliverkli: C:/guliverkli/src/filters/source/dtsac3source/DTSAC3Source.h Source File

00001 /* 
00002  *      Copyright (C) 2003-2005 Gabest
00003  *      http://www.gabest.org
00004  *
00005  *  This Program is free software; you can redistribute it and/or modify
00006  *  it under the terms of the GNU General Public License as published by
00007  *  the Free Software Foundation; either version 2, or (at your option)
00008  *  any later version.
00009  *   
00010  *  This Program is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
00013  *  GNU General Public License for more details.
00014  *   
00015  *  You should have received a copy of the GNU General Public License
00016  *  along with GNU Make; see the file COPYING.  If not, write to
00017  *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. 
00018  *  http://www.gnu.org/copyleft/gpl.html
00019  *
00020  */
00021 
00022 #pragma once
00023 
00024 #include <atlbase.h>
00025 #include <afxtempl.h>
00026 #include "..\BaseSource\BaseSource.h"
00027 
00028 class CDTSAC3Stream;
00029 
00030 [uuid("B4A7BE85-551D-4594-BDC7-832B09185041")]
00031 class CDTSAC3Source : public CBaseSource<CDTSAC3Stream>
00032 {
00033 public:
00034         CDTSAC3Source(LPUNKNOWN lpunk, HRESULT* phr);
00035         virtual ~CDTSAC3Source();
00036 };
00037 
00038 class CDTSAC3Stream : public CBaseStream
00039 {
00040         CFile m_file;
00041         int m_nFileOffset, m_nBytesPerFrame, m_nAvgBytesPerSec, m_nSamplesPerSec;
00042         GUID m_subtype;
00043         WORD m_wFormatTag;
00044         BYTE m_streamid;
00045 
00046         bool CheckDTS(const CMediaType* pmt);
00047         bool CheckWAVEDTS(const CMediaType* pmt);
00048         bool CheckAC3(const CMediaType* pmt);
00049         bool CheckWAVEAC3(const CMediaType* pmt);
00050 
00051 public:
00052     CDTSAC3Stream(const WCHAR* wfn, CSource* pParent, HRESULT* phr);
00053         virtual ~CDTSAC3Stream();
00054 
00055     HRESULT FillBuffer(IMediaSample* pSample, int nFrame, BYTE* pOut, long& len);
00056     
00057         HRESULT DecideBufferSize(IMemAllocator* pIMemAlloc, ALLOCATOR_PROPERTIES* pProperties);
00058     HRESULT CheckMediaType(const CMediaType* pMediaType);
00059     HRESULT GetMediaType(int iPosition, CMediaType* pmt);
00060 };