dlls/quartz/fourcc.h

   1 /*
   2  * Common FOURCC
   3  *
   4  * Copyright 2003 Robert Shearman
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define FromHex(n)  (((n) >= 'A') ? ((n) + 10 - 'A') : ((n) - '0'))
  22 #define StreamFromFOURCC(fcc) ((WORD) ((FromHex(LOBYTE(LOWORD(fcc))) << 4) + (FromHex(HIBYTE(LOWORD(fcc))))))
  23 #define TWOCCFromFOURCC(fcc)    HIWORD(fcc)
  24
  25 #ifndef aviTWOCC
  26 #define aviTWOCC(ch0, ch1) ((WORD)(BYTE)(ch0) | ((WORD)(BYTE)(ch1) << 8))
  27 #endif
  28
  29 /* FIXME: endianess? */
  30 #define aviFCC(ch0, ch1, ch2, ch3) ((DWORD)(BYTE)(ch3) << 24 | (DWORD)(BYTE)(ch2) << 16 | (DWORD)(BYTE)(ch1) << 8 | ((DWORD)(BYTE)(ch0)))
  31
  32 /* four character codes used in AVI files */
  33 #define ckidAVI               aviFCC('A','V','I',' ')
  34 #define ckidRIFF              aviFCC('R','I','F','F')
  35 #define ckidLIST              aviFCC('L','I','S','T')
  36 #define ckidJUNK              aviFCC('J','U','N','K')
  37 #define ckidHEADERLIST        aviFCC('h','d','r','l')
  38 #define ckidAVIMOVIE          aviFCC('m','o','v','i')
  39 #define ckidSTREAMNAME        aviFCC('s','t','r','n')
  40 #define ckidSTREAMHANDLERDATA aviFCC('s','t','r','d')
  41 #ifndef ckidMAINAVIHEADER
  42 # define ckidMAINAVIHEADER    aviFCC('a','v','i','h')
  43 # define ckidODML             aviFCC('o','d','m','l')
  44 # define ckidAVIEXTHEADER     aviFCC('d','m','l','h')
  45 # define ckidSTREAMLIST       aviFCC('s','t','r','l')
  46 # define ckidSTREAMHEADER     aviFCC('s','t','r','h')
  47 # define ckidSTREAMFORMAT     aviFCC('s','t','r','f')
  48 # define ckidAVIOLDINDEX      aviFCC('i','d','x','1')
  49 # define ckidAVISUPERINDEX    aviFCC('i','n','d','x')
  50 #endif
  51 #ifndef streamtypeVIDEO
  52 #define streamtypeVIDEO       aviFCC('v','i','d','s')
  53 #define streamtypeAUDIO       aviFCC('a','u','d','s')
  54 #define streamtypeMIDI        aviFCC('m','i','d','s')
  55 #define streamtypeTEXT        aviFCC('t','x','t','s')
  56 #endif
  57 #define cktypeDIBbits         aviTWOCC('d','b')
  58 #define cktypeDIBcompressed   aviTWOCC('d','c')
  59 #define cktypePALchange       aviTWOCC('p','c')
  60 #define cktypeWAVEbytes       aviTWOCC('w','b')