RoQSplitter.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 "..\BaseSplitter\BaseSplitter.h"

// {48B93619-A959-45d9-B5FD-E12A67A96CF1}
DEFINE_GUID(MEDIASUBTYPE_RoQ, 
0x48b93619, 0xa959, 0x45d9, 0xb5, 0xfd, 0xe1, 0x2a, 0x67, 0xa9, 0x6c, 0xf1);

// 56516F52-0000-0010-8000-00AA00389B71  'RoQV' == MEDIASUBTYPE_RoQV
DEFINE_GUID(MEDIASUBTYPE_RoQV,
0x56516F52, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);

#define WAVE_FORMAT_RoQA 0x41516F52

// 41516F52-0000-0010-8000-00AA00389B71  'RoQA' == MEDIASUBTYPE_RoQA
DEFINE_GUID(MEDIASUBTYPE_RoQA,
WAVE_FORMAT_RoQA, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71);

#pragma pack(push, 1)
struct roq_chunk {WORD id; DWORD size; WORD arg;};
struct roq_info {WORD w, h, unk1, unk2;};
#pragma pack(pop)

[uuid("C73DF7C1-21F2-44C7-A430-D35FB9BB298F")]
class CRoQSplitterFilter : public CBaseSplitterFilter
{
        CComPtr<IAsyncReader> m_pAsyncReader;

        struct index {REFERENCE_TIME rtv, rta; __int64 fp;};
        CList<index> m_index;
        POSITION m_indexpos;

protected:
        HRESULT CreateOutputs(IAsyncReader* pAsyncReader);

        bool DemuxInit();
        void DemuxSeek(REFERENCE_TIME rt);
        bool DemuxLoop();

public:
        CRoQSplitterFilter(LPUNKNOWN pUnk, HRESULT* phr);
};

[uuid("02B8E5C2-4E1F-45D3-9A8E-B8F1EDE6DE09")]
class CRoQSourceFilter : public CRoQSplitterFilter
{
public:
        CRoQSourceFilter(LPUNKNOWN pUnk, HRESULT* phr);
};

[uuid("FBEFC5EC-ABA0-4E6C-ACA3-D05FDFEFB853")]
class CRoQVideoDecoder : public CTransformFilter
{
        CCritSec m_csReceive;

        REFERENCE_TIME m_rtStart;

        BYTE* m_y[2];
        BYTE* m_u[2];
        BYTE* m_v[2];
        int m_pitch;

        void Copy(BYTE* pOut, BYTE* pIn, DWORD w, DWORD h);

        #pragma pack(push, 1)
        struct roq_cell {BYTE y0, y1, y2, y3, u, v;} m_cells[256];
        struct roq_qcell {roq_cell* idx[4];} m_qcells[256];
        #pragma pack(pop)
        void apply_vector_2x2(int x, int y, roq_cell* cell);
        void apply_vector_4x4(int x, int y, roq_cell* cell);
        void apply_motion_4x4(int x, int y, unsigned char mv, char mean_x, char mean_y);
        void apply_motion_8x8(int x, int y, unsigned char mv, char mean_x, char mean_y);

public:
        CRoQVideoDecoder(LPUNKNOWN lpunk, HRESULT* phr);
        virtual ~CRoQVideoDecoder();

    HRESULT NewSegment(REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate);

        HRESULT Transform(IMediaSample* pIn, IMediaSample* pOut);
        HRESULT CheckInputType(const CMediaType* mtIn);
        HRESULT CheckTransform(const CMediaType* mtIn, const CMediaType* mtOut);
        HRESULT DecideBufferSize(IMemAllocator* pAllocator, ALLOCATOR_PROPERTIES* pProperties);
        HRESULT GetMediaType(int iPosition, CMediaType* pMediaType);

        HRESULT StartStreaming();
        HRESULT StopStreaming();
};

[uuid("226FAF85-E358-4502-8C98-F4224BE76953")]
class CRoQAudioDecoder : public CTransformFilter
{
public:
        CRoQAudioDecoder(LPUNKNOWN lpunk, HRESULT* phr);
        virtual ~CRoQAudioDecoder();

        HRESULT Transform(IMediaSample* pIn, IMediaSample* pOut);
        HRESULT CheckInputType(const CMediaType* mtIn);
        HRESULT CheckTransform(const CMediaType* mtIn, const CMediaType* mtOut);
        HRESULT DecideBufferSize(IMemAllocator* pAllocator, ALLOCATOR_PROPERTIES* pProperties);
        HRESULT GetMediaType(int iPosition, CMediaType* pMediaType);
};

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