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# DTSAC3Source.h

    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 };