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🎥 Command line media player
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197/* * This file is part of mpv. * * mpv 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. * * mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>. */
#ifndef MPLAYER_MPCOMMON_H#define MPLAYER_MPCOMMON_H
#include <assert.h>#include <stddef.h>#include <stdlib.h>#include <stdbool.h>#include <stdint.h>
#include "config.h"
#if HAVE_POSIX || defined(__MINGW32__)#include <strings.h>#include <unistd.h>#endif
#include "osdep/compiler.h"#include "mpv_talloc.h"
// double should be able to represent this exactly#define MP_NOPTS_VALUE (-0x1p+63)
#define MP_CONCAT_(a, b) a ## b#define MP_CONCAT(a, b) MP_CONCAT_(a, b)
#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]))#define MP_DIV_UP(x, y) (((x) + (y) - 1) / (y))
// 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 MP_IS_ALIGNED(x, align) (!((x) & ((align) - 1)))#define MP_IS_POWER_OF_2(x) ((x) > 0 && !((x) & ((x) - 1)))
// align to non power of two#define MP_ALIGN_NPOT(x, align) ((align) ? MP_DIV_UP(x, align) * (align) : (x))
// Return "a", or if that is NOPTS, return "def".#define MP_PTS_OR_DEF(a, def) ((a) == MP_NOPTS_VALUE ? (def) : (a))// If one of the values is NOPTS, always pick the other one.#define MP_PTS_MIN(a, b) MPMIN(MP_PTS_OR_DEF(a, b), MP_PTS_OR_DEF(b, a))#define MP_PTS_MAX(a, b) MPMAX(MP_PTS_OR_DEF(a, b), MP_PTS_OR_DEF(b, a))// Return a+b, unless a is NOPTS. b must not be NOPTS.#define MP_ADD_PTS(a, b) ((a) == MP_NOPTS_VALUE ? (a) : ((a) + (b)))
#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,};
enum video_sync { VS_DEFAULT = 0, VS_DISP_RESAMPLE, VS_DISP_RESAMPLE_VDROP, VS_DISP_RESAMPLE_NONE, VS_DISP_TEMPO, VS_DISP_ADROP, VS_DISP_VDROP, VS_DISP_NONE, VS_NONE,};
#define VS_IS_DISP(x) ((x) == VS_DISP_RESAMPLE || \ (x) == VS_DISP_RESAMPLE_VDROP || \ (x) == VS_DISP_RESAMPLE_NONE || \ (x) == VS_DISP_TEMPO || \ (x) == VS_DISP_ADROP || \ (x) == VS_DISP_VDROP || \ (x) == VS_DISP_NONE)
extern const char mpv_version[];extern const char mpv_builddate[];extern const char mpv_copyright[];
char *mp_format_time(double time, bool fractions);char *mp_format_time_fmt(const char *fmt, double time);
// Formats a double value to a string with the specified precision.// Trailing zeros (and the dot) can be trimmed.// Optionally, a plus sign and a percent sign can be added.char *mp_format_double(void *talloc_ctx, double val, int precision, bool plus_sign, bool percent_sign, bool trim);
struct mp_rect { int x0, y0; int x1, y1;};
#define mp_rect_w(r) ((r).x1 - (r).x0)#define mp_rect_h(r) ((r).y1 - (r).y0)
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);bool mp_rect_contains(struct mp_rect *rc, int x, int y);bool mp_rect_equals(const struct mp_rect *rc1, const struct mp_rect *rc2);int mp_rect_subtract(const struct mp_rect *rc1, const struct mp_rect *rc2, struct mp_rect res_array[4]);void mp_rect_rotate(struct mp_rect *rc, int w, int h, int rotation);
unsigned int mp_log2(uint32_t v);uint32_t mp_round_next_power_of_2(uint32_t v);int mp_lcm(int x, int y);
int mp_snprintf_cat(char *str, size_t size, const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
struct bstr;
void mp_append_utf8_bstr(void *talloc_ctx, struct bstr *buf, uint32_t codepoint);
bool mp_append_escaped_string_noalloc(void *talloc_ctx, struct bstr *dst, struct bstr *src);bool mp_append_escaped_string(void *talloc_ctx, struct bstr *dst, struct bstr *src);
char *mp_strerror_buf(char *buf, size_t buf_size, int errnum);#define mp_strerror(e) mp_strerror_buf((char[80]){0}, 80, e)
char *mp_tag_str_buf(char *buf, size_t buf_size, uint32_t tag);#define mp_tag_str(t) mp_tag_str_buf((char[22]){0}, 22, t)
// Return a printf(format, ...) formatted string of the given SIZE. SIZE must// be a compile time constant. The result is allocated on the stack and valid// only within the current block scope.#define mp_tprintf(SIZE, format, ...) \ mp_tprintf_buf((char[SIZE]){0}, (SIZE), (format), __VA_ARGS__)char *mp_tprintf_buf(char *buf, size_t buf_size, const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
char **mp_dup_str_array(void *tctx, char **s);
// We generally do not handle allocation failure of small malloc()s. This would// create a large number of rarely tested code paths, which would probably// regress and cause security issues. We prefer to fail fast.// This macro generally behaves like an assert(), except it will make sure to// kill the process even with NDEBUG.#define MP_HANDLE_OOM(x) do { \ void *oom_p_ = (x); \ assert(oom_p_); \ if (!oom_p_) \ abort(); \ } while (0)
#ifdef _MSC_VER#define strncasecmp _strnicmp#define strcasecmp _stricmp
#ifndef STDIN_FILENO#define STDIN_FILENO 0#endif#ifndef STDOUT_FILENO#define STDOUT_FILENO 1#endif#ifndef STDERR_FILENO#define STDERR_FILENO 2#endif#ifndef O_NONBLOCK#define O_NONBLOCK 0#endif
typedef long long ssize_t;typedef unsigned short mode_t;#endif
#endif /* MPLAYER_MPCOMMON_H */