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Revision 2096 - (view) (download)
| 1 : | Isibaar | 2096 | /* |
| 2 : | cfourcc.c - this is the main (and only) module. | ||
| 3 : | |||
| 4 : | cfourcc - change the FOURCC code in the Microsoft RIFF AVI file. | ||
| 5 : | Copyright (C) 2004-2005 mypapit <papit58@yahoo.com> | ||
| 6 : | |||
| 7 : | This program is free software; you can redistribute it and/or modify | ||
| 8 : | it under the terms of the GNU General Public License as published by | ||
| 9 : | the Free Software Foundation; either version 2 of the License, or | ||
| 10 : | (at your option) any later version. | ||
| 11 : | |||
| 12 : | This program is distributed in the hope that it will be useful, | ||
| 13 : | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 14 : | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 15 : | GNU General Public License for more details. | ||
| 16 : | |||
| 17 : | You should have received a copy of the GNU General Public License | ||
| 18 : | along with this program; if not, write to the Free Software | ||
| 19 : | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
| 20 : | |||
| 21 : | Project's web : http://sarovar.org/projects/gfourcc | ||
| 22 : | |||
| 23 : | |||
| 24 : | Reworked for use with Xvid MiniConvert application on 26/03/2011 | ||
| 25 : | by Michael Militzer <michael@xvid.org> | ||
| 26 : | |||
| 27 : | */ | ||
| 28 : | |||
| 29 : | #include "stdafx.h" | ||
| 30 : | |||
| 31 : | #define AVILEN 224 | ||
| 32 : | typedef char AVIHDR[AVILEN]; | ||
| 33 : | |||
| 34 : | int | ||
| 35 : | setDesc (AVIHDR header, const char *str) | ||
| 36 : | { | ||
| 37 : | memcpy (&header[0x70], str, 4); | ||
| 38 : | return 0; | ||
| 39 : | } | ||
| 40 : | |||
| 41 : | int | ||
| 42 : | setUsed (AVIHDR header, const char *str) | ||
| 43 : | { | ||
| 44 : | memcpy (&header[0xbc], str, 4); | ||
| 45 : | return 0; | ||
| 46 : | } | ||
| 47 : | |||
| 48 : | int | ||
| 49 : | fourcc_helper(TCHAR filename[MAX_PATH], char *ptrused, char *ptrdesc, int check_only) | ||
| 50 : | { | ||
| 51 : | AVIHDR avihdr; | ||
| 52 : | FILE *fin; | ||
| 53 : | char MAGIC[] = { 'R', 'I', 'F', 'F' }; | ||
| 54 : | |||
| 55 : | memset (&avihdr, 0, AVILEN); /* init avihdr just in case! */ | ||
| 56 : | |||
| 57 : | fin = _tfopen (filename, TEXT("rb")); | ||
| 58 : | if (fin == NULL) { | ||
| 59 : | OutputDebugString(TEXT("Error: Cannot open avi file!")); | ||
| 60 : | return -1; | ||
| 61 : | } | ||
| 62 : | |||
| 63 : | if (fread (avihdr, sizeof (char), AVILEN, fin) < AVILEN) { | ||
| 64 : | OutputDebugString(TEXT("Error: Read end unexpectedly, incomplete file?")); | ||
| 65 : | return -1; | ||
| 66 : | } | ||
| 67 : | fclose (fin); | ||
| 68 : | |||
| 69 : | if (check_only) { | ||
| 70 : | /*lazy verifier! */ | ||
| 71 : | if (memcmp (avihdr, MAGIC, 4)) { | ||
| 72 : | OutputDebugString(TEXT("Error: Probably not a supported avi file")); | ||
| 73 : | return -1; | ||
| 74 : | } | ||
| 75 : | } | ||
| 76 : | else { | ||
| 77 : | fin = _tfopen (filename, TEXT("r+b")); | ||
| 78 : | if (fin == NULL) { | ||
| 79 : | OutputDebugString(TEXT("Error: Cannot open avi file for writing\n")); | ||
| 80 : | return -1; | ||
| 81 : | } | ||
| 82 : | |||
| 83 : | setUsed (avihdr, ptrused); | ||
| 84 : | setDesc (avihdr, ptrdesc); | ||
| 85 : | |||
| 86 : | fseek (fin, 0, SEEK_SET); | ||
| 87 : | fwrite (avihdr, sizeof (char), AVILEN, fin); | ||
| 88 : | fflush (fin); | ||
| 89 : | fclose (fin); | ||
| 90 : | } | ||
| 91 : | |||
| 92 : | return 0; | ||
| 93 : | } |
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