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mmstream.idl

/*
 * Copyright 2004 Christian Costa
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

import "unknwn.idl";

cpp_quote("#define MS_ERROR_CODE(x)                  MAKE_HRESULT(1, FACILITY_ITF, (x) + 0x400)")
cpp_quote("#define MS_SUCCESS_CODE(x)                MAKE_HRESULT(0, FACILITY_ITF, x)")
cpp_quote("#define MS_S_PENDING                      MS_SUCCESS_CODE(1)")
cpp_quote("#define MS_S_NOUPDATE                     MS_SUCCESS_CODE(2)")
cpp_quote("#define MS_S_ENDOFSTREAM                  MS_SUCCESS_CODE(3)")

cpp_quote("#define MS_E_SAMPLEALLOC                  MS_ERROR_CODE(1)")
cpp_quote("#define MS_E_PURPOSEID                    MS_ERROR_CODE(2)")
cpp_quote("#define MS_E_NOSTREAM                     MS_ERROR_CODE(3)")
cpp_quote("#define MS_E_NOSEEKING                    MS_ERROR_CODE(4)")
cpp_quote("#define MS_E_INCOMPATIBLE                 MS_ERROR_CODE(5)")
cpp_quote("#define MS_E_BUSY                         MS_ERROR_CODE(6)")
cpp_quote("#define MS_E_NOTINIT                      MS_ERROR_CODE(7)")
cpp_quote("#define MS_E_SOURCEALREADYDEFINED         MS_ERROR_CODE(8)")
cpp_quote("#define MS_E_INVALIDSTREAMTYPE            MS_ERROR_CODE(9)")
cpp_quote("#define MS_E_NOTRUNNING                   MS_ERROR_CODE(10)")

cpp_quote("DEFINE_GUID(MSPID_PrimaryVideo,  0xa35ff56a, 0x9fda, 0x11d0, 0x8f, 0xdf, 0x0, 0xc0, 0x4f, 0xd9, 0x18, 0x9d);")
cpp_quote("DEFINE_GUID(MSPID_PrimaryAudio,  0xa35ff56b, 0x9fda, 0x11d0, 0x8f, 0xdf, 0x0, 0xc0, 0x4f, 0xd9, 0x18, 0x9d);")

cpp_quote("#if 0")
typedef void* PAPCFUNC;
cpp_quote("#endif")

typedef LONGLONG STREAM_TIME;

typedef GUID MSPID;
typedef REFGUID REFMSPID;

typedef enum {
      STREAMTYPE_READ         = 0,
      STREAMTYPE_WRITE        = 1,
      STREAMTYPE_TRANSFORM    = 2
} STREAM_TYPE;

typedef enum {
      STREAMSTATE_STOP        = 0,
      STREAMSTATE_RUN         = 1
} STREAM_STATE;


typedef enum {
      COMPSTAT_NOUPDATEOK                             = 0x00000001,
      COMPSTAT_WAIT                                   = 0x00000002,
      COMPSTAT_ABORT                                  = 0x00000004
} COMPLETION_STATUS_FLAGS;

enum {
      MMSSF_HASCLOCK                                  = 0x00000001,
      MMSSF_SUPPORTSEEK                               = 0x00000002,
      MMSSF_ASYNCHRONOUS                              = 0x00000004
};

enum {
      SSUPDATE_ASYNC                                  = 0x00000001,
      SSUPDATE_CONTINUOUS                             = 0x00000002
};

interface IMultiMediaStream;
interface IMediaStream;
interface IStreamSample;


[
object,
local,
uuid(B502D1BC-9A57-11d0-8FDE-00C04FD9189D),
pointer_default(unique)
]
interface IMultiMediaStream : IUnknown {

      HRESULT GetInformation(
            [out, optional] DWORD *pdwFlags,
            [out, optional] STREAM_TYPE *pStreamType);

      HRESULT GetMediaStream(
            [in] REFMSPID idPurpose,
            [out] IMediaStream **ppMediaStream);

      HRESULT EnumMediaStreams(
            [in] long Index,
            [out] IMediaStream **ppMediaStream);

      HRESULT GetState(
            [out] STREAM_STATE *pCurrentState);

      HRESULT SetState(
            [in] STREAM_STATE NewState);

      HRESULT GetTime(
            [out] STREAM_TIME *pCurrentTime);

      HRESULT GetDuration(
            [out] STREAM_TIME *pDuration);

      HRESULT Seek(
            [in] STREAM_TIME SeekTime);

      HRESULT GetEndOfStreamEventHandle(
            [out] HANDLE *phEOS);
}


[
object,
uuid(B502D1BD-9A57-11d0-8FDE-00C04FD9189D),
pointer_default(unique)
]
interface IMediaStream : IUnknown {
      
      HRESULT GetMultiMediaStream(
            [out] IMultiMediaStream **ppMultiMediaStream);

      HRESULT GetInformation(
            [out, optional] MSPID *pPurposeId,
            [out, optional] STREAM_TYPE *pType);

      HRESULT SetSameFormat(
            [in] IMediaStream *pStreamThatHasDesiredFormat,
            [in] DWORD dwFlags);

      HRESULT AllocateSample(
            [in]  DWORD dwFlags,
            [out] IStreamSample **ppSample);

      HRESULT CreateSharedSample(
            [in]  IStreamSample *pExistingSample,
            [in]  DWORD dwFlags,
            [out] IStreamSample **ppNewSample);

      HRESULT SendEndOfStream(DWORD dwFlags);
}


[
object,
local,
uuid(B502D1BE-9A57-11d0-8FDE-00C04FD9189D),
pointer_default(unique)
]
interface IStreamSample : IUnknown {
      
      HRESULT GetMediaStream(
            [in] IMediaStream **ppMediaStream);

      HRESULT GetSampleTimes(
            [out, optional] STREAM_TIME * pStartTime,
            [out, optional] STREAM_TIME * pEndTime,
            [out, optional] STREAM_TIME * pCurrentTime);

      HRESULT SetSampleTimes(
            [in, optional] const STREAM_TIME *pStartTime,
            [in, optional] const STREAM_TIME *pEndTime);

      HRESULT Update(
            [in] DWORD dwFlags,
            [in, optional] HANDLE hEvent,
            [in, optional] PAPCFUNC pfnAPC,
            [in, optional] DWORD dwAPCData);

      HRESULT CompletionStatus(
            [in] DWORD dwFlags,
            [in, optional] DWORD dwMilliseconds);
}

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