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/*
* 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>
// both int64_t and double should be able to represent this exactly
#define MP_NOPTS_VALUE (-1LL<<63)
#define ROUND(x) ((int)((x) < 0 ? (x) - 0.5 : (x) + 0.5))
#define MP_EXPAND_ARGS(...) __VA_ARGS__
#define MP_TALLOC_ELEMS(p) (talloc_get_size(p) / sizeof((p)[0]))
#define MP_GROW_ARRAY(p, nextidx) do { \
if ((nextidx) == MP_TALLOC_ELEMS(p)) \
p = talloc_realloc_size(NULL, p, talloc_get_size(p) * 2); } while (0)
#define MP_RESIZE_ARRAY(ctx, p, count) do { \
p = talloc_realloc_size((ctx), p, (count) * sizeof(p[0])); } while (0)
#define MP_TARRAY_GROW(ctx, p, nextidx) \
do { \
size_t nextidx_ = (nextidx); \
size_t nelems_ = MP_TALLOC_ELEMS(p); \
if (nextidx_ <= nelems_) \
p = talloc_realloc_size((ctx), p, \
(nextidx_ + 1) * sizeof((p)[0]) * 2);\
} while (0)
#define MP_TARRAY_APPEND(ctx, p, idxvar, ...) \
do { \
MP_TARRAY_GROW(ctx, p, idxvar); \
p[idxvar] = (MP_EXPAND_ARGS(__VA_ARGS__)); \
idxvar++; \
} while (0)
#define talloc_struct(ctx, type, ...) \
talloc_memdup(ctx, &(type) MP_EXPAND_ARGS(__VA_ARGS__), sizeof(type))
#ifdef __GNUC__
/** Use gcc attribute to check printf fns. a1 is the 1-based index of
* the parameter containing the format, and a2 the index of the first
* argument. **/
#ifdef __MINGW32__
// MinGW maps "printf" to the non-standard MSVCRT functions, even if
// __USE_MINGW_ANSI_STDIO is defined and set to 1. We need to use "gnu_printf",
// which isn't necessarily available on other GCC compatible compilers.
#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (gnu_printf, a1, a2)))
#else
#define PRINTF_ATTRIBUTE(a1, a2) __attribute__ ((format (printf, a1, a2)))
#endif
#else
#define PRINTF_ATTRIBUTE(a1, a2)
#endif
extern const char *mplayer_version;
char *mp_format_time(double time, bool fractions);
#endif /* MPLAYER_MPCOMMON_H */
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