mpv/common/common.h

82 lines
2.4 KiB
C

/*
* This file is part of MPlayer.
*
* MPlayer 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.
*
* MPlayer 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 MPlayer; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef MPLAYER_MPCOMMON_H
#define MPLAYER_MPCOMMON_H
#include <stdlib.h>
#include <stdbool.h>
#include <stdint.h>
#include "compat/compiler.h"
#include "talloc.h"
// both int64_t and double should be able to represent this exactly
#define MP_NOPTS_VALUE (-1LL<<63)
#define MP_CONCAT_(a, b) a ## b
#define MP_CONCAT(a, b) MP_CONCAT_(a, b)
#define ROUND(x) ((int)((x) < 0 ? (x) - 0.5 : (x) + 0.5))
#define MPMAX(a, b) ((a) > (b) ? (a) : (b))
#define MPMIN(a, b) ((a) > (b) ? (b) : (a))
#define MPCLAMP(a, min, max) (((a) < (min)) ? (min) : (((a) > (max)) ? (max) : (a)))
#define MPSWAP(type, a, b) \
do { type SWAP_tmp = b; b = a; a = SWAP_tmp; } while (0)
#define MP_ARRAY_SIZE(s) (sizeof(s) / sizeof((s)[0]))
// align must be a power of two (align >= 1), x >= 0
#define MP_ALIGN_UP(x, align) (((x) + (align) - 1) & ~((align) - 1))
#define MP_ALIGN_DOWN(x, align) ((x) & ~((align) - 1))
#define CONTROL_OK 1
#define CONTROL_TRUE 1
#define CONTROL_FALSE 0
#define CONTROL_UNKNOWN -1
#define CONTROL_ERROR -2
#define CONTROL_NA -3
enum stream_type {
STREAM_VIDEO,
STREAM_AUDIO,
STREAM_SUB,
STREAM_TYPE_COUNT,
};
extern const char *mplayer_version;
extern const char *mplayer_builddate;
char *mp_format_time(double time, bool fractions);
char *mp_format_time_fmt(const char *fmt, double time);
struct mp_rect {
int x0, y0;
int x1, y1;
};
void mp_rect_union(struct mp_rect *rc, const struct mp_rect *src);
bool mp_rect_intersection(struct mp_rect *rc, const struct mp_rect *rc2);
char *mp_append_utf8_buffer(char *buffer, uint32_t codepoint);
struct bstr;
bool mp_parse_escape(struct bstr *code, char **str);
#endif /* MPLAYER_MPCOMMON_H */