SubtitleSource.h

/* 
 *      Copyright (C) 2003-2005 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 <atlbase.h>
#include <afxtempl.h>
#include "..\..\..\subtitles\RTS.h"

class CSubtitleSource
        : public CSource
        , public IFileSourceFilter
        , public IAMFilterMiscFlags
{
protected:
        CStringW m_fn;

public:
        CSubtitleSource(LPUNKNOWN lpunk, HRESULT* phr, const CLSID& clsid);
        virtual ~CSubtitleSource();

        DECLARE_IUNKNOWN;
    STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);

        // IFileSourceFilter
        STDMETHODIMP Load(LPCOLESTR pszFileName, const AM_MEDIA_TYPE* pmt);
        STDMETHODIMP GetCurFile(LPOLESTR* ppszFileName, AM_MEDIA_TYPE* pmt);

        // IAMFilterMiscFlags
        STDMETHODIMP_(ULONG) GetMiscFlags();

    virtual HRESULT GetMediaType(CMediaType* pmt) = 0;
};

class CSubtitleStream 
        : public CSourceStream
        , public CSourceSeeking
{
        CCritSec m_cSharedState;

        int m_nPosition;

        BOOL m_bDiscontinuity, m_bFlushing;

        HRESULT OnThreadStartPlay();
        HRESULT OnThreadCreate();

        void UpdateFromSeek();
        STDMETHODIMP SetRate(double dRate);

        HRESULT ChangeStart();
    HRESULT ChangeStop();
    HRESULT ChangeRate() {return S_OK;}

protected:
        CRenderedTextSubtitle m_rts;

public:
    CSubtitleStream(const WCHAR* wfn, CSubtitleSource* pParent, HRESULT* phr);
        virtual ~CSubtitleStream();

    STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void** ppv);

    HRESULT DecideBufferSize(IMemAllocator* pIMemAlloc, ALLOCATOR_PROPERTIES* pProperties);
    HRESULT FillBuffer(IMediaSample* pSample);
    HRESULT GetMediaType(CMediaType* pmt);
        HRESULT CheckMediaType(const CMediaType* pmt);

        STDMETHODIMP Notify(IBaseFilter* pSender, Quality q);
};

[uuid("E44CA3B5-A0FF-41A0-AF16-42429B1095EA")]
class CSubtitleSourceASCII : public CSubtitleSource
{
public:
        CSubtitleSourceASCII(LPUNKNOWN lpunk, HRESULT* phr);

        HRESULT GetMediaType(CMediaType* pmt);
};

[uuid("87864E0F-7073-4E39-B802-143DE0ED4964")]
class CSubtitleSourceUTF8 : public CSubtitleSource
{
public:
        CSubtitleSourceUTF8(LPUNKNOWN lpunk, HRESULT* phr);

        HRESULT GetMediaType(CMediaType* pmt);
};

[uuid("18316B1A-5877-4CC4-85FD-EDE65CD489EC")]
class CSubtitleSourceSSA : public CSubtitleSource
{
public:
        CSubtitleSourceSSA(LPUNKNOWN lpunk, HRESULT* phr);

        HRESULT GetMediaType(CMediaType* pmt);
};

[uuid("416782BC-1D87-48C0-8F65-F113A5CB8E15")]
class CSubtitleSourceASS : public CSubtitleSource
{
public:
        CSubtitleSourceASS(LPUNKNOWN lpunk, HRESULT* phr);

        HRESULT GetMediaType(CMediaType* pmt);
};

[uuid("D7215AFC-DFE6-483B-9AF3-6BBECFF14CF4")]
class CSubtitleSourceUSF : public CSubtitleSource
{
public:
        CSubtitleSourceUSF(LPUNKNOWN lpunk, HRESULT* phr);

        HRESULT GetMediaType(CMediaType* pmt);
};

[uuid("932E75D4-BBD4-4A0F-9071-6728FBDC4C98")]
class CSubtitleSourcePreview : public CSubtitleSource
{
public:
        CSubtitleSourcePreview(LPUNKNOWN lpunk, HRESULT* phr);

        HRESULT GetMediaType(CMediaType* pmt);
};

[uuid("CF0D7280-527D-415E-BA02-56017484D73E")]
class CSubtitleSourceARGB : public CSubtitleSource
{
public:
        CSubtitleSourceARGB(LPUNKNOWN lpunk, HRESULT* phr);

        HRESULT GetMediaType(CMediaType* pmt);
};

---