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60 lines
2.6 KiB
C
60 lines
2.6 KiB
C
/*
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* Common FOURCC
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*
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* Copyright 2003 Robert Shearman
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#define FromHex(n) (((n) >= 'A') ? ((n) + 10 - 'A') : ((n) - '0'))
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#define StreamFromFOURCC(fcc) ((WORD) ((FromHex(LOBYTE(LOWORD(fcc))) << 4) + (FromHex(HIBYTE(LOWORD(fcc))))))
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#define TWOCCFromFOURCC(fcc) HIWORD(fcc)
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#ifndef aviTWOCC
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#define aviTWOCC(ch0, ch1) ((WORD)(BYTE)(ch0) | ((WORD)(BYTE)(ch1) << 8))
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#endif
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/* FIXME: endianess? */
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#define aviFCC(ch0, ch1, ch2, ch3) ((DWORD)(BYTE)(ch3) << 24 | (DWORD)(BYTE)(ch2) << 16 | (DWORD)(BYTE)(ch1) << 8 | ((DWORD)(BYTE)(ch0)))
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/* four character codes used in AVI files */
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#define ckidAVI aviFCC('A','V','I',' ')
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#define ckidRIFF aviFCC('R','I','F','F')
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#define ckidLIST aviFCC('L','I','S','T')
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#define ckidJUNK aviFCC('J','U','N','K')
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#define ckidHEADERLIST aviFCC('h','d','r','l')
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#define ckidAVIMOVIE aviFCC('m','o','v','i')
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#define ckidSTREAMNAME aviFCC('s','t','r','n')
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#define ckidSTREAMHANDLERDATA aviFCC('s','t','r','d')
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#ifndef ckidMAINAVIHEADER
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# define ckidMAINAVIHEADER aviFCC('a','v','i','h')
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# define ckidODML aviFCC('o','d','m','l')
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# define ckidAVIEXTHEADER aviFCC('d','m','l','h')
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# define ckidSTREAMLIST aviFCC('s','t','r','l')
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# define ckidSTREAMHEADER aviFCC('s','t','r','h')
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# define ckidSTREAMFORMAT aviFCC('s','t','r','f')
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# define ckidAVIOLDINDEX aviFCC('i','d','x','1')
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# define ckidAVISUPERINDEX aviFCC('i','n','d','x')
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#endif
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#ifndef streamtypeVIDEO
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#define streamtypeVIDEO aviFCC('v','i','d','s')
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#define streamtypeAUDIO aviFCC('a','u','d','s')
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#define streamtypeMIDI aviFCC('m','i','d','s')
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#define streamtypeTEXT aviFCC('t','x','t','s')
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#endif
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#define cktypeDIBbits aviTWOCC('d','b')
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#define cktypeDIBcompressed aviTWOCC('d','c')
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#define cktypePALchange aviTWOCC('p','c')
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#define cktypeWAVEbytes aviTWOCC('w','b')
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