diff options
author | Alex Converse <alex.converse@gmail.com> | 2009-01-15 15:23:03 +0300 |
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committer | Robert Swain <robert.swain@gmail.com> | 2009-01-15 15:23:03 +0300 |
commit | 2ea512a6c2ff3404563ad364a3e806a8630cdc84 (patch) | |
tree | e3af6de1a73717b765369349528a5aba4f2b94d7 /libavformat/id3v2.c | |
parent | f3ba7c54687082a82aab3183a86fd4e7bf187671 (diff) |
Factorise id3v2 header parsing from mp3.c to be shared
Patch by Alex Converse ( alex converse gmail com )
Originally committed as revision 16615 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavformat/id3v2.c')
-rw-r--r-- | libavformat/id3v2.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/libavformat/id3v2.c b/libavformat/id3v2.c new file mode 100644 index 0000000000..c27443b3c2 --- /dev/null +++ b/libavformat/id3v2.c @@ -0,0 +1,35 @@ +/* + * ID3v2 header parser + * Copyright (c) 2003 Fabrice Bellard + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "id3v2.h" + +int ff_id3v2_match(const uint8_t *buf) +{ + return buf[0] == 'I' && + buf[1] == 'D' && + buf[2] == '3' && + buf[3] != 0xff && + buf[4] != 0xff && + (buf[6] & 0x80) == 0 && + (buf[7] & 0x80) == 0 && + (buf[8] & 0x80) == 0 && + (buf[9] & 0x80) == 0; +} |