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authorWarren Dukes <warren.dukes@gmail.com>2004-02-23 23:41:20 +0000
committerWarren Dukes <warren.dukes@gmail.com>2004-02-23 23:41:20 +0000
commitd35747a40c7dea12de95f78a4f283a45ef687597 (patch)
tree3a85f138e68c7ef3e5a9ece863ed7266ad1cd7ce /src/libmad/timer.h
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import from SF CVS
git-svn-id: https://svn.musicpd.org/mpd/trunk@1 09075e82-0dd4-0310-85a5-a0d7c8717e4f
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diff --git a/src/libmad/timer.h b/src/libmad/timer.h
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+/*
+ * libmad - MPEG audio decoder library
+ * Copyright (C) 2000-2003 Underbit Technologies, Inc.
+ *
+ * This program 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * $Id: timer.h,v 1.1 2003/08/14 03:57:13 shank Exp $
+ */
+
+# ifndef LIBMAD_TIMER_H
+# define LIBMAD_TIMER_H
+
+typedef struct {
+ signed long seconds; /* whole seconds */
+ unsigned long fraction; /* 1/MAD_TIMER_RESOLUTION seconds */
+} mad_timer_t;
+
+extern mad_timer_t const mad_timer_zero;
+
+# define MAD_TIMER_RESOLUTION 352800000UL
+
+enum mad_units {
+ MAD_UNITS_HOURS = -2,
+ MAD_UNITS_MINUTES = -1,
+ MAD_UNITS_SECONDS = 0,
+
+ /* metric units */
+
+ MAD_UNITS_DECISECONDS = 10,
+ MAD_UNITS_CENTISECONDS = 100,
+ MAD_UNITS_MILLISECONDS = 1000,
+
+ /* audio sample units */
+
+ MAD_UNITS_8000_HZ = 8000,
+ MAD_UNITS_11025_HZ = 11025,
+ MAD_UNITS_12000_HZ = 12000,
+
+ MAD_UNITS_16000_HZ = 16000,
+ MAD_UNITS_22050_HZ = 22050,
+ MAD_UNITS_24000_HZ = 24000,
+
+ MAD_UNITS_32000_HZ = 32000,
+ MAD_UNITS_44100_HZ = 44100,
+ MAD_UNITS_48000_HZ = 48000,
+
+ /* video frame/field units */
+
+ MAD_UNITS_24_FPS = 24,
+ MAD_UNITS_25_FPS = 25,
+ MAD_UNITS_30_FPS = 30,
+ MAD_UNITS_48_FPS = 48,
+ MAD_UNITS_50_FPS = 50,
+ MAD_UNITS_60_FPS = 60,
+
+ /* CD audio frames */
+
+ MAD_UNITS_75_FPS = 75,
+
+ /* video drop-frame units */
+
+ MAD_UNITS_23_976_FPS = -24,
+ MAD_UNITS_24_975_FPS = -25,
+ MAD_UNITS_29_97_FPS = -30,
+ MAD_UNITS_47_952_FPS = -48,
+ MAD_UNITS_49_95_FPS = -50,
+ MAD_UNITS_59_94_FPS = -60
+};
+
+# define mad_timer_reset(timer) ((void) (*(timer) = mad_timer_zero))
+
+int mad_timer_compare(mad_timer_t, mad_timer_t);
+
+# define mad_timer_sign(timer) mad_timer_compare((timer), mad_timer_zero)
+
+void mad_timer_negate(mad_timer_t *);
+mad_timer_t mad_timer_abs(mad_timer_t);
+
+void mad_timer_set(mad_timer_t *, unsigned long, unsigned long, unsigned long);
+void mad_timer_add(mad_timer_t *, mad_timer_t);
+void mad_timer_multiply(mad_timer_t *, signed long);
+
+signed long mad_timer_count(mad_timer_t, enum mad_units);
+unsigned long mad_timer_fraction(mad_timer_t, unsigned long);
+void mad_timer_string(mad_timer_t, char *, char const *,
+ enum mad_units, enum mad_units, unsigned long);
+
+# endif