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

   1 /*****************************************************************************
   2  * dmo.h : DirectMedia Object codec module for vlc
   3  *****************************************************************************
   4  * Copyright (C) 2002, 2003 VideoLAN
   5  * $Id$
   6  *
   7  * Author: Gildas Bazin <gbazin@videolan.org>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  22  *****************************************************************************/
  23
  24 static const GUID IID_IUnknown = {0x00000000, 0x0000, 0x0000, {0xc0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46}};
  25 static const GUID IID_IClassFactory = {0x00000001, 0x0000, 0x0000, {0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46}};
  26 static const GUID IID_IWMCodecPrivateData = {0x73f0be8e, 0x57f7, 0x4f01, {0xaa, 0x66, 0x9f, 0x57, 0x34, 0xc, 0xfe, 0xe}};
  27 static const GUID IID_IMediaObject = {0xd8ad0f58, 0x5494, 0x4102, {0x97, 0xc5, 0xec, 0x79, 0x8e, 0x59, 0xbc, 0xf4}};
  28 static const GUID IID_IMediaBuffer = {0x59eff8b9, 0x938c, 0x4a26, {0x82, 0xf2, 0x95, 0xcb, 0x84, 0xcd, 0xc8, 0x37}};
  29 static const GUID MEDIATYPE_Video = {0x73646976, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  30 static const GUID MEDIATYPE_Audio = {0x73647561, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  31 static const GUID MEDIASUBTYPE_PCM = {0x00000001, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  32 static const GUID FORMAT_VideoInfo = {0x05589f80, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
  33 static const GUID FORMAT_WaveFormatEx = {0x05589f81, 0xc356, 0x11ce, {0xbf, 0x01, 0x00, 0xaa, 0x00, 0x55, 0x59, 0x5a}};
  34 static const GUID GUID_NULL = {0x0000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
  35 static const GUID MEDIASUBTYPE_I420 = {0x30323449, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  36 static const GUID MEDIASUBTYPE_YV12 = {0x32315659, 0x0000, 0x0010, {0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}};
  37 static const GUID MEDIASUBTYPE_RGB24 = {0xe436eb7d, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
  38 static const GUID MEDIASUBTYPE_RGB565 = {0xe436eb7b, 0x524f, 0x11ce, {0x9f, 0x53, 0x00, 0x20, 0xaf, 0x0b, 0xa7, 0x70}};
  39
  40 void* CoTaskMemAlloc(unsigned long cb);
  41 void CoTaskMemFree(void* cb);
  42
  43 #define IUnknown IUnknownHack
  44 #define IClassFactory IClassFactoryHack
  45 typedef struct _IUnknown IUnknown;
  46 typedef struct _IClassFactory IClassFactory;
  47 typedef struct _IWMCodecPrivateData IWMCodecPrivateData;
  48 typedef struct _IEnumDMO IEnumDMO;
  49 typedef struct _IMediaBuffer IMediaBuffer;
  50 typedef struct _IMediaObject IMediaObject;
  51
  52 #ifndef STDCALL
  53 #define STDCALL __stdcall
  54 #endif
  55
  56 #define DMO_INPUT_DATA_BUFFERF_SYNCPOINT 1
  57 #define DMO_INPUT_DATA_BUFFERF_TIME 2
  58 #define DMO_INPUT_DATA_BUFFERF_TIMELENGTH 4
  59 #define DMO_OUTPUT_DATA_BUFFERF_SYNCPOINT 1
  60 #define DMO_OUTPUT_DATA_BUFFERF_TIME 2
  61 #define DMO_OUTPUT_DATA_BUFFERF_TIMELENGTH 4
  62 #define DMO_PROCESS_OUTPUT_DISCARD_WHEN_NO_BUFFER 1
  63 #define DMO_E_NOTACCEPTING 0x80040204
  64
  65 /*
  66  * DMO types definition
  67  */
  68 typedef struct
  69 #ifdef HAVE_ATTRIBUTE_PACKED
  70     __attribute__((__packed__))
  71 #endif
  72  _DMO_PARTIAL_MEDIATYPE
  73 {
  74     GUID type;
  75     GUID subtype;
  76
  77 } DMO_PARTIAL_MEDIATYPE;
  78
  79 typedef struct
  80 #ifdef HAVE_ATTRIBUTE_PACKED
  81     __attribute__((__packed__))
  82 #endif
  83  _DMO_OUTPUT_DATA_BUFFER
  84 {
  85     IMediaBuffer *pBuffer;
  86     uint32_t dwStatus;
  87     REFERENCE_TIME rtTimestamp;
  88     REFERENCE_TIME rtTimelength;
  89
  90 } DMO_OUTPUT_DATA_BUFFER;
  91
  92 typedef struct
  93 #ifdef HAVE_ATTRIBUTE_PACKED
  94     __attribute__((__packed__))
  95 #endif
  96  _DMOMediaType
  97 {
  98     GUID     majortype;
  99     GUID     subtype;
 100     int      bFixedSizeSamples;
 101     int      bTemporalCompression;
 102     uint32_t lSampleSize;
 103     GUID     formattype;
 104     IUnknown *pUnk;
 105     uint32_t cbFormat;
 106     char     *pbFormat;
 107
 108 } DMO_MEDIA_TYPE;
 109
 110 /*
 111  * IUnknown interface
 112  */
 113 typedef struct IUnknown_vt
 114 {
 115     /* IUnknown methods */
 116     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
 117                                    void **ppvObject);
 118     long (STDCALL *AddRef)(IUnknown *This);
 119     long (STDCALL *Release)(IUnknown *This);
 120
 121 } IUnknown_vt;
 122 struct _IUnknown { IUnknown_vt* vt; };
 123
 124 /*
 125  * IClassFactory interface
 126  */
 127 typedef struct IClassFactory_vt
 128 {
 129     long (STDCALL *QueryInterface)(IUnknown *This, const GUID* riid,
 130                                    void **ppvObject);
 131     long (STDCALL *AddRef)(IUnknown *This) ;
 132     long (STDCALL *Release)(IUnknown *This) ;
 133     long (STDCALL *CreateInstance)(IClassFactory *This, IUnknown *pUnkOuter,
 134                                    const GUID* riid, void** ppvObject);
 135 } IClassFactory_vt;
 136
 137 struct _IClassFactory { IClassFactory_vt* vt; };
 138
 139 /*
 140  * IWMCodecPrivateData interface
 141  */
 142 typedef struct IWMCodecPrivateData_vt
 143 {
 144     long (STDCALL *QueryInterface)(IUnknown *This, const GUID* riid,
 145                                    void **ppvObject);
 146     long (STDCALL *AddRef)(IUnknown *This) ;
 147     long (STDCALL *Release)(IUnknown *This) ;
 148
 149
 150     long (STDCALL *SetPartialOutputType)(IWMCodecPrivateData * This,
 151                                          DMO_MEDIA_TYPE *pmt);
 152
 153     long (STDCALL *GetPrivateData )(IWMCodecPrivateData * This,
 154                                     uint8_t *pbData, uint32_t *pcbData);
 155 } IWMCodecPrivateData_vt;
 156
 157 struct _IWMCodecPrivateData { IWMCodecPrivateData_vt* vt; };
 158
 159 /*
 160  * IEnumDMO interface
 161  */
 162 typedef struct IEnumDMO_vt
 163 {
 164     /* IUnknown methods */
 165     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
 166                                    void **ppvObject);
 167     long (STDCALL *AddRef)(IUnknown *This);
 168     long (STDCALL *Release)(IUnknown *This);
 169
 170     /* IEnumDMO methods */
 171     long (STDCALL *Next)(IEnumDMO *This, uint32_t cItemsToFetch,
 172                          const GUID *pCLSID, WCHAR **Names,
 173                          uint32_t *pcItemsFetched);
 174     long (STDCALL *Skip)(IEnumDMO *This, uint32_t cItemsToSkip);
 175     long (STDCALL *Reset)(IEnumDMO *This);
 176     long (STDCALL *Clone)(IEnumDMO *This, IEnumDMO **ppEnum);
 177
 178 } IEnumDMO_vt;
 179 struct _IEnumDMO { IEnumDMO_vt* vt; };
 180
 181 /*
 182  * IMediaBuffer interface
 183  */
 184 typedef struct IMediaBuffer_vt
 185 {
 186     /* IUnknown methods */
 187     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
 188                                    void **ppvObject);
 189     long (STDCALL *AddRef)(IUnknown *This);
 190     long (STDCALL *Release)(IUnknown *This);
 191
 192     long (STDCALL *SetLength)(IMediaBuffer* This, uint32_t cbLength);
 193     long (STDCALL *GetMaxLength)(IMediaBuffer* This, uint32_t *pcbMaxLength);
 194     long (STDCALL *GetBufferAndLength)(IMediaBuffer* This,
 195                                        char **ppBuffer, uint32_t *pcbLength);
 196
 197 } IMediaBuffer_vt;
 198 struct _IMediaBuffer { IMediaBuffer_vt* vt; };
 199
 200 /*
 201  * IMediaObject interface
 202  */
 203 typedef struct IMediaObject_vt
 204 {
 205     /* IUnknown methods */
 206     long (STDCALL *QueryInterface)(IUnknown *This, const GUID *riid,
 207                                    void **ppvObject);
 208     long (STDCALL *AddRef)(IUnknown *This);
 209     long (STDCALL *Release)(IUnknown *This);
 210
 211     /* IEnumDMO methods */
 212     long (STDCALL *GetStreamCount)(IMediaObject *This,
 213                                    uint32_t *pcInputStreams,
 214                                    uint32_t *pcOutputStreams);
 215     long (STDCALL *GetInputStreamInfo)(IMediaObject *This,
 216                                        uint32_t dwInputStreamIndex,
 217                                        uint32_t *pdwFlags);
 218     long (STDCALL *GetOutputStreamInfo)(IMediaObject *This,
 219                                         uint32_t dwOutputStreamIndex,
 220                                         uint32_t *pdwFlags);
 221     long (STDCALL *GetInputType)(IMediaObject *This,
 222                                  uint32_t dwInputStreamIndex,
 223                                  uint32_t dwTypeIndex,
 224                                  DMO_MEDIA_TYPE *pmt);
 225     long (STDCALL *GetOutputType)(IMediaObject *This,
 226                                   uint32_t dwOutputStreamIndex,
 227                                   uint32_t dwTypeIndex,
 228                                   DMO_MEDIA_TYPE *pmt);
 229     long (STDCALL *SetInputType)(IMediaObject *This,
 230                                  uint32_t dwInputStreamIndex,
 231                                  const DMO_MEDIA_TYPE *pmt,
 232                                  uint32_t dwFlags);
 233     long (STDCALL *SetOutputType)(IMediaObject *This,
 234                                   uint32_t dwOutputStreamIndex,
 235                                   const DMO_MEDIA_TYPE *pmt,
 236                                   uint32_t dwFlags);
 237     long (STDCALL *GetInputCurrentType)(IMediaObject *This,
 238                                         uint32_t dwInputStreamIndex,
 239                                         DMO_MEDIA_TYPE *pmt);
 240     long (STDCALL *GetOutputCurrentType)(IMediaObject *This,
 241                                          uint32_t dwOutputStreamIndex,
 242                                          DMO_MEDIA_TYPE *pmt);
 243     long (STDCALL *GetInputSizeInfo)(IMediaObject *This,
 244                                      uint32_t dwInputStreamIndex,
 245                                      uint32_t *pcbSize,
 246                                      uint32_t *pcbMaxLookahead,
 247                                      uint32_t *pcbAlignment);
 248     long (STDCALL *GetOutputSizeInfo)(IMediaObject *This,
 249                                       uint32_t dwOutputStreamIndex,
 250                                       uint32_t *pcbSize,
 251                                       uint32_t *pcbAlignment);
 252     long (STDCALL *GetInputMaxLatency)(IMediaObject *This,
 253                                        uint32_t dwInputStreamIndex,
 254                                        REFERENCE_TIME *prtMaxLatency);
 255     long (STDCALL *SetInputMaxLatency)(IMediaObject *This,
 256                                        uint32_t dwInputStreamIndex,
 257                                        REFERENCE_TIME rtMaxLatency);
 258     long (STDCALL *Flush)(IMediaObject * This);
 259     long (STDCALL *Discontinuity)(IMediaObject *This,
 260                                   uint32_t dwInputStreamIndex);
 261     long (STDCALL *AllocateStreamingResources)(IMediaObject * This);
 262     long (STDCALL *FreeStreamingResources)(IMediaObject * This);
 263     long (STDCALL *GetInputStatus)(IMediaObject *This,
 264                                    uint32_t dwInputStreamIndex,
 265                                    uint32_t *dwFlags);
 266     long (STDCALL *ProcessInput)(IMediaObject *This,
 267                                  uint32_t dwInputStreamIndex,
 268                                  IMediaBuffer *pBuffer,
 269                                  uint32_t dwFlags,
 270                                  REFERENCE_TIME rtTimestamp,
 271                                  REFERENCE_TIME rtTimelength);
 272     long (STDCALL *ProcessOutput)(IMediaObject *This,
 273                                   uint32_t dwFlags,
 274                                   uint32_t cOutputBufferCount,
 275                                   DMO_OUTPUT_DATA_BUFFER *pOutputBuffers,
 276                                   uint32_t *pdwStatus);
 277     long (STDCALL *Lock)(IMediaObject *This, long bLock);
 278
 279 } IMediaObject_vt;
 280 struct _IMediaObject { IMediaObject_vt* vt; };
 281
 282 /* Implementation of IMediaBuffer */
 283 typedef struct _CMediaBuffer
 284 {
 285     IMediaBuffer_vt *vt;
 286     int i_ref;
 287     block_t *p_block;
 288     int i_max_size;
 289     vlc_bool_t b_own;
 290
 291 } CMediaBuffer;
 292
 293 CMediaBuffer *CMediaBufferCreate( block_t *, int, vlc_bool_t );