include/austream.idl

   1 /*
   2  * Copyright 2004 Christian Costa
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 import "unknwn.idl";
  20 import "mmstream.idl";
  21
  22 cpp_quote("#if 0")
  23 typedef struct tWAVEFORMATEX WAVEFORMATEX;
  24 cpp_quote ("#endif")
  25
  26 interface IAudioMediaStream;
  27 interface IAudioStreamSample;
  28 interface IMemoryData;
  29 interface IAudioData;
  30
  31 [
  32 object,
  33 local,
  34 uuid(f7537560-a3be-11d0-8212-00c04fc32c45),
  35 pointer_default(unique)
  36 ]
  37 interface IAudioMediaStream : IMediaStream
  38 {
  39         HRESULT GetFormat(
  40                 [out] /*[optional]*/ WAVEFORMATEX *pWaveFormatCurrent
  41         );
  42
  43         HRESULT SetFormat(
  44                 [in] const WAVEFORMATEX *lpWaveFormat);
  45
  46         HRESULT CreateSample(
  47                 [in] IAudioData *pAudioData,
  48                 [in] DWORD dwFlags,
  49                 [out] IAudioStreamSample **ppSample
  50         );
  51 }
  52
  53
  54 [
  55 object,
  56 local,
  57 uuid(345fee00-aba5-11d0-8212-00c04fc32c45),
  58 pointer_default(unique)
  59 ]
  60 interface IAudioStreamSample : IStreamSample
  61 {
  62         HRESULT GetAudioData(
  63                 [out] IAudioData **ppAudio
  64         );
  65 }
  66
  67
  68 [
  69 object,
  70 local,
  71 uuid(327fc560-af60-11d0-8212-00c04fc32c45),
  72 pointer_default(unique)
  73 ]
  74 interface IMemoryData : IUnknown
  75 {
  76         HRESULT SetBuffer(
  77                 [in] DWORD cbSize,
  78                 [in] BYTE *pbData,
  79                 [in] DWORD dwFlags
  80         );
  81
  82         HRESULT GetInfo(
  83                 [out] DWORD *pdwLength,
  84                 [out] BYTE **ppbData,
  85                 [out] DWORD *pcbActualData
  86         );
  87         HRESULT SetActual(
  88                 [in] DWORD cbDataValid
  89         );
  90 }
  91
  92
  93 [
  94 object,
  95 local,
  96 uuid(54c719c0-af60-11d0-8212-00c04fc32c45),
  97 pointer_default(unique)
  98 ]
  99 interface IAudioData : IMemoryData
 100 {
 101         HRESULT GetFormat(
 102                 [out] /*[optional]*/ WAVEFORMATEX *pWaveFormatCurrent
 103         );
 104
 105         HRESULT SetFormat(
 106                 [in] const WAVEFORMATEX *lpWaveFormat
 107         );
 108 }