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| author | Michele Calgaro <michele.calgaro@yahoo.it> | 2020-09-11 14:38:47 +0900 |
|---|---|---|
| committer | Michele Calgaro <michele.calgaro@yahoo.it> | 2020-09-11 14:38:47 +0900 |
| commit | 884c8093d63402a1ad0b502244b791e3c6782be3 (patch) | |
| tree | a600d4ab0d431a2bdfe4c15b70df43c14fbd8dd0 /debian/transcode/transcode-1.1.7/import/ioaux.c | |
| parent | 14e1aa2006796f147f3f4811fb908a6b01e79253 (diff) | |
| download | extra-dependencies-884c8093d63402a1ad0b502244b791e3c6782be3.tar.gz extra-dependencies-884c8093d63402a1ad0b502244b791e3c6782be3.zip | |
Added debian extra dependency packages.
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
Diffstat (limited to 'debian/transcode/transcode-1.1.7/import/ioaux.c')
| -rw-r--r-- | debian/transcode/transcode-1.1.7/import/ioaux.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/debian/transcode/transcode-1.1.7/import/ioaux.c b/debian/transcode/transcode-1.1.7/import/ioaux.c new file mode 100644 index 00000000..cf76fe89 --- /dev/null +++ b/debian/transcode/transcode-1.1.7/import/ioaux.c @@ -0,0 +1,104 @@ +/* + * ioaux.c + * + * Copyright (C) Thomas Oestreich - June 2001 + * + * This file is part of transcode, a video stream processing tool + * + * transcode is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * transcode 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Make; see the file COPYING. If not, write to + * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ + + +#include "ioaux.h" +#include "libtc/libtc.h" +#include "libtc/xio.h" + + +unsigned int stream_read_int16(const unsigned char *s) +{ + unsigned int a, b, result; + + a = s[0]; + b = s[1]; + + result = (a << 8) | b; + return result; +} + + +unsigned int stream_read_int32(const unsigned char *s) +{ + unsigned int a, b, c, d, result; + + a = s[0]; + b = s[1]; + c = s[2]; + d = s[3]; + + result = (a << 24) | (b << 16) | (c << 8) | d; + return result; +} + + +double read_time_stamp(const unsigned char *s) +{ + + unsigned long i, j; + unsigned long clock_ref=0, clock_ref_ext=0; + + if(s[0] & 0x40) { + + i = stream_read_int32(s); + j = stream_read_int16(s+4); + + if(i & 0x40000000 || (i >> 28) == 2) + { + clock_ref = ((i & 0x31000000) << 3); + clock_ref |= ((i & 0x03fff800) << 4); + clock_ref |= ((i & 0x000003ff) << 5); + clock_ref |= ((j & 0xf800) >> 11); + clock_ref_ext = (j >> 1) & 0x1ff; + } + } + + return (double)(clock_ref + clock_ref_ext / 300) / 90000; +} + + +long read_time_stamp_long(const unsigned char *s) +{ + + unsigned long i, j; + unsigned long clock_ref=0, clock_ref_ext=0; + + if(s[0] & 0x40) { + + i = stream_read_int32(s); + j = stream_read_int16(s+4); + + if(i & 0x40000000 || (i >> 28) == 2) + { + clock_ref = ((i & 0x31000000) << 3); + clock_ref |= ((i & 0x03fff800) << 4); + clock_ref |= ((i & 0x000003ff) << 5); + clock_ref |= ((j & 0xf800) >> 11); + clock_ref_ext = (j >> 1) & 0x1ff; + } + } + + return (clock_ref); +} + |
