git.sesse.net Git - vlc/blob - modules/codec/dmo/dmo.h

   1 /*****************************************************************************\r
   2  * dmo.h : DirectMedia Object codec module for vlc\r
   3  *****************************************************************************\r
   4  * Copyright (C) 2002, 2003 VideoLAN\r
   5  * $Id$\r
   6  *\r
   7  * Author: Gildas Bazin <gbazin@videolan.org>\r
   8  *\r
   9  * This program is free software; you can redistribute it and/or modify\r
  10  * it under the terms of the GNU General Public License as published by\r
  11  * the Free Software Foundation; either version 2 of the License, or\r
  12  * (at your option) any later version.\r
  13  *\r
  14  * This program is distributed in the hope that it will be useful,\r
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  17  * GNU General Public License for more details.\r
  18  *\r
  19  * You should have received a copy of the GNU General Public License\r
  20  * along with this program; if not, write to the Free Software\r
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.\r
  22  *****************************************************************************/\r
  23 \r
  24 static const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};\r
  25 static const GUID IID_IMediaObject = {0xd8ad0f58, 0x5494, 0x4102, {0x97, 0xc5, 0xec, 0x79, 0x8e, 0x59, 0xbc, 0xf4}};\r
  26 static const GUID IID_IMediaBuffer = {0x59eff8b9, 0x938c, 0x4a26, {0x82, 0xf2, 0x95, 0xcb, 0x84, 0xcd, 0xc8, 0x37}};\r
  27 static const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  28 static const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  29 static const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  30 static const GUID MEDIASUBTYPE_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};\r
  31 static const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};\r
  32 static const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};\r
  33 static const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  34 static const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};\r
  35 \r
  36 #ifdef WIN32\r
  37 #   define IUnknown IUnknownHack\r
  38 #endif\r
  39 typedef struct _IUnknown IUnknown;\r
  40 typedef struct _IEnumDMO IEnumDMO;\r
  41 typedef struct _IMediaBuffer IMediaBuffer;\r
  42 typedef struct _IMediaObject IMediaObject;\r
  43 #ifndef STDCALL\r
  44 #define STDCALL __stdcall\r
  45 #endif\r
  46 \r
  47 #define DMO_INPUT_DATA_BUFFER_SYNCPOINT 1\r
  48 #define DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER 1\r
  49 #define DMO_E_NOTACCEPTING 0x80040204\r
  50 \r
  51 /*\r
  52  * DMO types definition\r
  53  */\r
  54 typedef struct\r
  55 #ifdef HAVE_ATTRIBUTE_PACKED\r
  56     __attribute__((__packed__))\r
  57 #endif\r
  58  _DMO_PARTIAL_MEDIATYPE\r
  59 {\r
  60     GUID type;\r
  61     GUID subtype;\r
  62 \r
  63 } DMO_PARTIAL_MEDIATYPE;\r
  64 \r
  65 typedef struct\r
  66 #ifdef HAVE_ATTRIBUTE_PACKED\r
  67     __attribute__((__packed__))\r
  68 #endif\r
  69  _DMO_OUTPUT_DATA_BUFFER\r
  70 {\r
  71     IMediaBuffer *pBuffer;\r
  72     uint32_t dwStatus;\r
  73     REFERENCE_TIME rtTimestamp;\r
  74     REFERENCE_TIME rtTimelength;\r
  75 \r
  76 } DMO_OUTPUT_DATA_BUFFER;\r
  77 \r
  78 typedef struct\r
  79 #ifdef HAVE_ATTRIBUTE_PACKED\r
  80     __attribute__((__packed__))\r
  81 #endif\r
  82  _DMOMediaType\r
  83 {\r
  84     GUID     majortype;\r
  85     GUID     subtype;\r
  86     int      bFixedSizeSamples;\r
  87     int      bTemporalCompression;\r
  88     uint32_t lSampleSize;\r
  89     GUID     formattype;\r
  90     IUnknown *pUnk;\r
  91     uint32_t cbFormat;\r
  92     char     *pbFormat;\r
  93 \r
  94 } DMO_MEDIA_TYPE;\r
  95 \r
  96 /*\r
  97  * IUnknown interface\r
  98  */\r
  99 typedef struct IUnknown_vt\r
 100 {\r
 101     /* IUnknown methods */\r
 102     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,\r
 103                                    void **ppvObject);\r
 104     long (STDCALL *AddRef)(IUnknown *This);\r
 105     long (STDCALL *Release)(IUnknown *This);\r
 106 \r
 107 } IUnknown_vt;\r
 108 struct _IUnknown { IUnknown_vt* vt; };\r
 109 \r
 110 /*\r
 111  * IEnumDMO interface\r
 112  */\r
 113 typedef struct IEnumDMO_vt\r
 114 {\r
 115     /* IUnknown methods */\r
 116     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,\r
 117                                    void **ppvObject);\r
 118     long (STDCALL *AddRef)(IUnknown *This);\r
 119     long (STDCALL *Release)(IUnknown *This);\r
 120 \r
 121     /* IEnumDMO methods */\r
 122     long (STDCALL *Next)(IEnumDMO *This, uint32_t cItemsToFetch,\r
 123                          const GUID *pCLSID, WCHAR **Names,\r
 124                          uint32_t *pcItemsFetched);\r
 125     long (STDCALL *Skip)(IEnumDMO *This, uint32_t cItemsToSkip);\r
 126     long (STDCALL *Reset)(IEnumDMO *This);\r
 127     long (STDCALL *Clone)(IEnumDMO *This, IEnumDMO **ppEnum);\r
 128 \r
 129 } IEnumDMO_vt;\r
 130 struct _IEnumDMO { IEnumDMO_vt* vt; };\r
 131 \r
 132 /*\r
 133  * IMediaBuffer interface\r
 134  */\r
 135 typedef struct IMediaBuffer_vt\r
 136 {\r
 137     /* IUnknown methods */\r
 138     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,\r
 139                                    void **ppvObject);\r
 140     long (STDCALL *AddRef)(IUnknown *This);\r
 141     long (STDCALL *Release)(IUnknown *This);\r
 142 \r
 143     long (STDCALL *SetLength)(IMediaBuffer* This, uint32_t cbLength);\r
 144     long (STDCALL *GetMaxLength)(IMediaBuffer* This, uint32_t *pcbMaxLength);\r
 145     long (STDCALL *GetBufferAndLength)(IMediaBuffer* This,\r
 146                                        char** ppBuffer, uint32_t* pcbLength);\r
 147 \r
 148 } IMediaBuffer_vt;\r
 149 struct _IMediaBuffer { IMediaBuffer_vt* vt; };\r
 150 \r
 151 /*\r
 152  * IMediaObject interface\r
 153  */\r
 154 typedef struct IMediaObject_vt\r
 155 {\r
 156     /* IUnknown methods */\r
 157     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,\r
 158                                    void **ppvObject);\r
 159     long (STDCALL *AddRef)(IUnknown *This);\r
 160     long (STDCALL *Release)(IUnknown *This);\r
 161 \r
 162     /* IEnumDMO methods */\r
 163     long (STDCALL *GetStreamCount)(IMediaObject *This,\r
 164                                    uint32_t *pcInputStreams,\r
 165                                    uint32_t *pcOutputStreams);\r
 166     long (STDCALL *GetInputStreamInfo)(IMediaObject *This,\r
 167                                        uint32_t dwInputStreamIndex,\r
 168                                        uint32_t *pdwFlags);\r
 169     long (STDCALL *GetOutputStreamInfo)(IMediaObject *This,\r
 170                                         uint32_t dwOutputStreamIndex,\r
 171                                         uint32_t *pdwFlags);\r
 172     long (STDCALL *GetInputType)(IMediaObject *This,\r
 173                                  uint32_t dwInputStreamIndex,\r
 174                                  uint32_t dwTypeIndex,\r
 175                                  DMO_MEDIA_TYPE *pmt);\r
 176     long (STDCALL *GetOutputType)(IMediaObject *This,\r
 177                                   uint32_t dwOutputStreamIndex,\r
 178                                   uint32_t dwTypeIndex,\r
 179                                   DMO_MEDIA_TYPE *pmt);\r
 180     long (STDCALL *SetInputType)(IMediaObject *This,\r
 181                                  uint32_t dwInputStreamIndex,\r
 182                                  const DMO_MEDIA_TYPE *pmt,\r
 183                                  uint32_t dwFlags);\r
 184     long (STDCALL *SetOutputType)(IMediaObject *This,\r
 185                                   uint32_t dwOutputStreamIndex,\r
 186                                   const DMO_MEDIA_TYPE *pmt,\r
 187                                   uint32_t dwFlags);\r
 188     long (STDCALL *GetInputCurrentType)(IMediaObject *This,\r
 189                                         uint32_t dwInputStreamIndex,\r
 190                                         DMO_MEDIA_TYPE *pmt);\r
 191     long (STDCALL *GetOutputCurrentType)(IMediaObject *This,\r
 192                                          uint32_t dwOutputStreamIndex,\r
 193                                          DMO_MEDIA_TYPE *pmt);\r
 194     long (STDCALL *GetInputSizeInfo)(IMediaObject *This,\r
 195                                      uint32_t dwInputStreamIndex,\r
 196                                      uint32_t *pcbSize,\r
 197                                      uint32_t *pcbMaxLookahead,\r
 198                                      uint32_t *pcbAlignment);\r
 199     long (STDCALL *GetOutputSizeInfo)(IMediaObject *This,\r
 200                                       uint32_t dwOutputStreamIndex,\r
 201                                       uint32_t *pcbSize,\r
 202                                       uint32_t *pcbAlignment);\r
 203     long (STDCALL *GetInputMaxLatency)(IMediaObject *This,\r
 204                                        uint32_t dwInputStreamIndex,\r
 205                                        REFERENCE_TIME *prtMaxLatency);\r
 206     long (STDCALL *SetInputMaxLatency)(IMediaObject *This,\r
 207                                        uint32_t dwInputStreamIndex,\r
 208                                        REFERENCE_TIME rtMaxLatency);\r
 209     long (STDCALL *Flush)(IMediaObject * This);\r
 210     long (STDCALL *Discontinuity)(IMediaObject *This,\r
 211                                   uint32_t dwInputStreamIndex);\r
 212     long (STDCALL *AllocateStreamingResources)(IMediaObject * This);\r
 213     long (STDCALL *FreeStreamingResources)(IMediaObject * This);\r
 214     long (STDCALL *GetInputStatus)(IMediaObject *This,\r
 215                                    uint32_t dwInputStreamIndex,\r
 216                                    uint32_t *dwFlags);\r
 217     long (STDCALL *ProcessInput)(IMediaObject *This,\r
 218                                  uint32_t dwInputStreamIndex,\r
 219                                  IMediaBuffer *pBuffer,\r
 220                                  uint32_t dwFlags,\r
 221                                  REFERENCE_TIME rtTimestamp,\r
 222                                  REFERENCE_TIME rtTimelength);\r
 223     long (STDCALL *ProcessOutput)(IMediaObject *This,\r
 224                                   uint32_t dwFlags,\r
 225                                   uint32_t cOutputBufferCount,\r
 226                                   DMO_OUTPUT_DATA_BUFFER *pOutputBuffers,\r
 227                                   uint32_t *pdwStatus);\r
 228     long (STDCALL *Lock)(IMediaObject *This, long bLock);\r
 229 \r
 230 } IMediaObject_vt;\r
 231 struct _IMediaObject { IMediaObject_vt* vt; };\r
 232 \r
 233 /* Implementation of IMediaBuffer */\r
 234 typedef struct _CMediaBuffer\r
 235 {\r
 236     IMediaBuffer_vt *vt;\r
 237     int i_ref;\r
 238     block_t *p_block;\r
 239     int i_max_size;\r
 240     vlc_bool_t b_own;\r
 241 \r
 242 } CMediaBuffer;\r
 243 \r
 244 CMediaBuffer *CMediaBufferCreate( block_t *, int, vlc_bool_t );\r