include/mftransform.idl

   1 /*
   2  * Copyright 2017 Alistair Leslie-Hughes
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 import "mfobjects.idl";
  20
  21 typedef struct _MFT_INPUT_STREAM_INFO
  22 {
  23     LONGLONG hnsMaxLatency;
  24     DWORD    dwFlags;
  25     DWORD    cbSize;
  26     DWORD    cbMaxLookahead;
  27     DWORD    cbAlignment;
  28 } MFT_INPUT_STREAM_INFO;
  29
  30 typedef struct _MFT_OUTPUT_STREAM_INFO
  31 {
  32     DWORD dwFlags;
  33     DWORD cbSize;
  34     DWORD cbAlignment;
  35 } MFT_OUTPUT_STREAM_INFO;
  36
  37 typedef struct _MFT_OUTPUT_DATA_BUFFER
  38 {
  39     DWORD         dwStreamID;
  40     IMFSample     *pSample;
  41     DWORD         dwStatus;
  42     IMFCollection *pEvents;
  43 } MFT_OUTPUT_DATA_BUFFER, *PMFT_OUTPUT_DATA_BUFFER;
  44
  45 typedef enum _MFT_MESSAGE_TYPE
  46 {
  47     MFT_MESSAGE_COMMAND_FLUSH          = 0x00000000,
  48     MFT_MESSAGE_COMMAND_DRAIN          = 0x00000001,
  49     MFT_MESSAGE_SET_D3D_MANAGER        = 0x00000002,
  50     MFT_MESSAGE_DROP_SAMPLES           = 0x00000003,
  51     MFT_MESSAGE_COMMAND_TICK           = 0x00000004,
  52     MFT_MESSAGE_NOTIFY_BEGIN_STREAMING = 0x10000000,
  53     MFT_MESSAGE_NOTIFY_END_STREAMING   = 0x10000001,
  54     MFT_MESSAGE_NOTIFY_END_OF_STREAM   = 0x10000002,
  55     MFT_MESSAGE_NOTIFY_START_OF_STREAM = 0x10000003,
  56     MFT_MESSAGE_COMMAND_MARKER         = 0x20000000
  57 } MFT_MESSAGE_TYPE;
  58
  59 [
  60     object,
  61     uuid(bf94c121-5b05-4e6f-8000-ba598961414d)
  62 ]
  63 interface IMFTransform : IUnknown
  64 {
  65     HRESULT GetStreamLimits([out] DWORD *input_minimum, [out] DWORD *input_maximum, [out] DWORD *output_minimum,
  66                             [out] DWORD *output_maximum);
  67
  68     HRESULT GetStreamCount([out] DWORD *inputs,  [out] DWORD *outputs);
  69
  70     HRESULT GetStreamIDs([in] DWORD input_size, [out,size_is(input_size)] DWORD *inputs,
  71                          [in] DWORD output_size, [out,size_is(output_size)] DWORD *outputs);
  72
  73     HRESULT GetInputStreamInfo([in] DWORD id, [out] MFT_INPUT_STREAM_INFO *info);
  74
  75     HRESULT GetOutputStreamInfo([in] DWORD id, [out] MFT_OUTPUT_STREAM_INFO *info);
  76
  77     HRESULT GetAttributes([out] IMFAttributes **attributes);
  78
  79     HRESULT GetInputStreamAttributes([in] DWORD id, [out] IMFAttributes **attributes);
  80
  81     HRESULT GetOutputStreamAttributes([in] DWORD id, [out] IMFAttributes **attributes);
  82
  83     HRESULT DeleteInputStream([in] DWORD id);
  84
  85     HRESULT AddInputStreams([in] DWORD streams, [in] DWORD *ids);
  86
  87     HRESULT GetInputAvailableType([in] DWORD id, [in] DWORD index, [out] IMFMediaType **type);
  88
  89     HRESULT GetOutputAvailableType([in] DWORD id, [in] DWORD index, [out] IMFMediaType **type);
  90
  91     HRESULT SetInputType(DWORD id, [in] IMFMediaType *type, [in] DWORD flags);
  92
  93     HRESULT SetOutputType(DWORD id, [in] IMFMediaType *type, [in] DWORD flags);
  94
  95     HRESULT GetInputCurrentType([in] DWORD id, [out] IMFMediaType **type);
  96
  97     HRESULT GetOutputCurrentType([in] DWORD id, [out] IMFMediaType **type);
  98
  99     HRESULT GetInputStatus([in] DWORD id, [out] DWORD *flags);
 100
 101     HRESULT GetOutputStatus([out] DWORD *flags);
 102
 103     HRESULT SetOutputBounds([in] LONGLONG lower, [in] LONGLONG upper);
 104
 105     HRESULT ProcessEvent([in] DWORD id, [in] IMFMediaEvent *event);
 106
 107     HRESULT ProcessMessage([in] MFT_MESSAGE_TYPE message, [in] ULONG_PTR param);
 108
 109     [local] HRESULT ProcessInput([in] DWORD id, [in] IMFSample *sample, [in] DWORD flags);
 110
 111     [local] HRESULT ProcessOutput([in] DWORD flags, [in] DWORD count, [in,out,size_is(count)] MFT_OUTPUT_DATA_BUFFER *samples,
 112                                   [out] DWORD *status);
 113 }