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295 lines
10 KiB
295 lines
10 KiB
/*****************************************************************************
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* dmo.h : DirectMedia Object codec module for vlc
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*****************************************************************************
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* Copyright (C) 2002, 2003 VLC authors and VideoLAN
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*
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* Author: Gildas Bazin <gbazin@videolan.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
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*****************************************************************************/
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const GUID IID_IUnknown;
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const GUID IID_IClassFactory;
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const GUID IID_IWMCodecPrivateData;
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const GUID IID_IMediaObject;
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const GUID IID_IMediaBuffer;
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const GUID MEDIATYPE_Video;
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const GUID MEDIATYPE_Audio;
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const GUID MEDIASUBTYPE_PCM;
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const GUID FORMAT_VideoInfo;
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const GUID FORMAT_WaveFormatEx;
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const GUID GUID_NULL;
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const GUID MEDIASUBTYPE_I420;
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const GUID MEDIASUBTYPE_YV12;
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const GUID MEDIASUBTYPE_RGB24;
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const GUID MEDIASUBTYPE_RGB565;
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#ifndef _WIN32
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void* CoTaskMemAlloc(unsigned long cb);
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void CoTaskMemFree(void* cb);
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#endif
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#define IUnknown IUnknownHack
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#define IClassFactory IClassFactoryHack
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typedef struct _IUnknown IUnknown;
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typedef struct _IClassFactory IClassFactory;
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typedef struct _IWMCodecPrivateData IWMCodecPrivateData;
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typedef struct _IEnumDMO IEnumDMO;
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typedef struct _IMediaBuffer IMediaBuffer;
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typedef struct _IMediaObject IMediaObject;
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#ifndef STDCALL
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#define STDCALL __stdcall
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#endif
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#define DMO_INPUT_DATA_BUFFERF_SYNCPOINT 1
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#define DMO_INPUT_DATA_BUFFERF_TIME 2
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#define DMO_INPUT_DATA_BUFFERF_TIMELENGTH 4
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#define DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT 1
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#define DMO_OUTPUT_DATA_BUFFERF_TIME 2
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#define DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH 4
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#define DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER 1
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#define DMO_E_NOTACCEPTING 0x80040204
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/*
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* DMO types definition
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*/
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typedef struct
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#ifdef HAVE_ATTRIBUTE_PACKED
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__attribute__((__packed__))
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#endif
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_DMO_PARTIAL_MEDIATYPE
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{
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GUID type;
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GUID subtype;
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} DMO_PARTIAL_MEDIATYPE;
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typedef struct
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#ifdef HAVE_ATTRIBUTE_PACKED
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__attribute__((__packed__))
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#endif
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_DMO_OUTPUT_DATA_BUFFER
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{
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IMediaBuffer *pBuffer;
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uint32_t dwStatus;
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REFERENCE_TIME rtTimestamp;
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REFERENCE_TIME rtTimelength;
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} DMO_OUTPUT_DATA_BUFFER;
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typedef struct
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#ifdef HAVE_ATTRIBUTE_PACKED
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__attribute__((__packed__))
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#endif
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_DMOMediaType
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{
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GUID majortype;
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GUID subtype;
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int bFixedSizeSamples;
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int bTemporalCompression;
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uint32_t lSampleSize;
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GUID formattype;
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IUnknown *pUnk;
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uint32_t cbFormat;
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char *pbFormat;
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} DMO_MEDIA_TYPE;
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/*
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* IUnknown interface
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*/
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typedef struct IUnknown_vt
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{
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/* IUnknown methods */
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long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
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void **ppvObject);
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long (STDCALL *AddRef)(IUnknown *This);
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long (STDCALL *Release)(IUnknown *This);
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} IUnknown_vt;
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struct _IUnknown { IUnknown_vt* vt; };
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/*
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* IClassFactory interface
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*/
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typedef struct IClassFactory_vt
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{
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long (STDCALL *QueryInterface)(IUnknown *This, const GUID* riid,
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void **ppvObject);
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long (STDCALL *AddRef)(IUnknown *This) ;
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long (STDCALL *Release)(IUnknown *This) ;
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long (STDCALL *CreateInstance)(IClassFactory *This, IUnknown *pUnkOuter,
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const GUID* riid, void** ppvObject);
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} IClassFactory_vt;
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struct _IClassFactory { IClassFactory_vt* vt; };
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/*
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* IWMCodecPrivateData interface
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*/
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typedef struct IWMCodecPrivateData_vt
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{
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long (STDCALL *QueryInterface)(IUnknown *This, const GUID* riid,
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void **ppvObject);
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long (STDCALL *AddRef)(IUnknown *This) ;
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long (STDCALL *Release)(IUnknown *This) ;
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long (STDCALL *SetPartialOutputType)(IWMCodecPrivateData * This,
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DMO_MEDIA_TYPE *pmt);
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long (STDCALL *GetPrivateData )(IWMCodecPrivateData * This,
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uint8_t *pbData, uint32_t *pcbData);
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} IWMCodecPrivateData_vt;
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struct _IWMCodecPrivateData { IWMCodecPrivateData_vt* vt; };
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/*
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* IEnumDMO interface
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*/
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typedef struct IEnumDMO_vt
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{
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/* IUnknown methods */
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long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
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void **ppvObject);
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long (STDCALL *AddRef)(IUnknown *This);
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long (STDCALL *Release)(IUnknown *This);
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/* IEnumDMO methods */
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long (STDCALL *Next)(IEnumDMO *This, uint32_t cItemsToFetch,
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const GUID *pCLSID, WCHAR **Names,
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uint32_t *pcItemsFetched);
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long (STDCALL *Skip)(IEnumDMO *This, uint32_t cItemsToSkip);
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long (STDCALL *Reset)(IEnumDMO *This);
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long (STDCALL *Clone)(IEnumDMO *This, IEnumDMO **ppEnum);
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} IEnumDMO_vt;
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struct _IEnumDMO { IEnumDMO_vt* vt; };
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/*
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* IMediaBuffer interface
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*/
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typedef struct IMediaBuffer_vt
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{
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/* IUnknown methods */
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long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
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void **ppvObject);
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long (STDCALL *AddRef)(IUnknown *This);
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long (STDCALL *Release)(IUnknown *This);
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long (STDCALL *SetLength)(IMediaBuffer* This, uint32_t cbLength);
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long (STDCALL *GetMaxLength)(IMediaBuffer* This, uint32_t *pcbMaxLength);
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long (STDCALL *GetBufferAndLength)(IMediaBuffer* This,
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char **ppBuffer, uint32_t *pcbLength);
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} IMediaBuffer_vt;
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struct _IMediaBuffer { IMediaBuffer_vt* vt; };
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/*
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* IMediaObject interface
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*/
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typedef struct IMediaObject_vt
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{
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/* IUnknown methods */
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long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
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void **ppvObject);
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long (STDCALL *AddRef)(IUnknown *This);
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long (STDCALL *Release)(IUnknown *This);
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/* IEnumDMO methods */
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long (STDCALL *GetStreamCount)(IMediaObject *This,
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uint32_t *pcInputStreams,
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uint32_t *pcOutputStreams);
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long (STDCALL *GetInputStreamInfo)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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uint32_t *pdwFlags);
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long (STDCALL *GetOutputStreamInfo)(IMediaObject *This,
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uint32_t dwOutputStreamIndex,
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uint32_t *pdwFlags);
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long (STDCALL *GetInputType)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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uint32_t dwTypeIndex,
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DMO_MEDIA_TYPE *pmt);
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long (STDCALL *GetOutputType)(IMediaObject *This,
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uint32_t dwOutputStreamIndex,
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uint32_t dwTypeIndex,
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DMO_MEDIA_TYPE *pmt);
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long (STDCALL *SetInputType)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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const DMO_MEDIA_TYPE *pmt,
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uint32_t dwFlags);
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long (STDCALL *SetOutputType)(IMediaObject *This,
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uint32_t dwOutputStreamIndex,
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const DMO_MEDIA_TYPE *pmt,
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uint32_t dwFlags);
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long (STDCALL *GetInputCurrentType)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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DMO_MEDIA_TYPE *pmt);
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long (STDCALL *GetOutputCurrentType)(IMediaObject *This,
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uint32_t dwOutputStreamIndex,
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DMO_MEDIA_TYPE *pmt);
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long (STDCALL *GetInputSizeInfo)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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uint32_t *pcbSize,
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uint32_t *pcbMaxLookahead,
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uint32_t *pcbAlignment);
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long (STDCALL *GetOutputSizeInfo)(IMediaObject *This,
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uint32_t dwOutputStreamIndex,
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uint32_t *pcbSize,
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uint32_t *pcbAlignment);
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long (STDCALL *GetInputMaxLatency)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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REFERENCE_TIME *prtMaxLatency);
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long (STDCALL *SetInputMaxLatency)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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REFERENCE_TIME rtMaxLatency);
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long (STDCALL *Flush)(IMediaObject * This);
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long (STDCALL *Discontinuity)(IMediaObject *This,
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uint32_t dwInputStreamIndex);
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long (STDCALL *AllocateStreamingResources)(IMediaObject * This);
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long (STDCALL *FreeStreamingResources)(IMediaObject * This);
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long (STDCALL *GetInputStatus)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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uint32_t *dwFlags);
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long (STDCALL *ProcessInput)(IMediaObject *This,
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uint32_t dwInputStreamIndex,
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IMediaBuffer *pBuffer,
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uint32_t dwFlags,
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REFERENCE_TIME rtTimestamp,
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REFERENCE_TIME rtTimelength);
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long (STDCALL *ProcessOutput)(IMediaObject *This,
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uint32_t dwFlags,
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uint32_t cOutputBufferCount,
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DMO_OUTPUT_DATA_BUFFER *pOutputBuffers,
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uint32_t *pdwStatus);
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long (STDCALL *Lock)(IMediaObject *This, long bLock);
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} IMediaObject_vt;
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struct _IMediaObject { IMediaObject_vt* vt; };
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/* Implementation of IMediaBuffer */
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typedef struct _CMediaBuffer
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{
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IMediaBuffer_vt *vt;
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int i_ref;
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block_t *p_block;
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int i_max_size;
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bool b_own;
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} CMediaBuffer;
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CMediaBuffer *CMediaBufferCreate( block_t *, int, bool );
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