/* * 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_MP_MSG_H#define MPLAYER_MP_MSG_H #include <stdarg.h>#include <stdbool.h>#include <stdlib.h>#include <stdint.h> #include "osdep/compiler.h" #define TERM_MSG_0 "\xFC" struct mp_log; // A mp_log instance that never outputs anything.extern struct mp_log *const mp_null_log; // Verbosity levels.enum {    MSGL_FATAL,     // only errors (difference to MSGL_ERR isn't too clear)    MSGL_ERR,       // only errors    MSGL_WARN,      // only warnings    MSGL_INFO,      // what you normally see on the terminal    MSGL_STATUS,    // exclusively for the playback status line (-quiet disables)    MSGL_V,         // -v | slightly more information than default    MSGL_DEBUG,     // -v -v | full debug information; this and numerically below                    // should not produce "per frame" output    MSGL_TRACE,     // -v -v -v | anything that might flood the terminal    MSGL_STATS,     // dumping fine grained stats (--dump-stats)     MSGL_MAX = MSGL_STATS,}; struct mp_log *mp_log_new(void *talloc_ctx, struct mp_log *parent,                          const char *name); void mp_msg(struct mp_log *log, int lev, const char *format, ...)    PRINTF_ATTRIBUTE(3, 4);void mp_msg_va(struct mp_log *log, int lev, const char *format, va_list va)    PRINTF_ATTRIBUTE(3, 0); int mp_msg_level(struct mp_log *log); static inline bool mp_msg_test(struct mp_log *log, int lev){    return lev <= mp_msg_level(log);} void mp_msg_set_max_level(struct mp_log *log, int lev); // Convenience macros.#define mp_fatal(log, ...)      mp_msg(log, MSGL_FATAL, __VA_ARGS__)#define mp_err(log, ...)        mp_msg(log, MSGL_ERR, __VA_ARGS__)#define mp_warn(log, ...)       mp_msg(log, MSGL_WARN, __VA_ARGS__)#define mp_info(log, ...)       mp_msg(log, MSGL_INFO, __VA_ARGS__)#define mp_verbose(log, ...)    mp_msg(log, MSGL_V, __VA_ARGS__)#define mp_dbg(log, ...)        mp_msg(log, MSGL_DEBUG, __VA_ARGS__)#define mp_trace(log, ...)      mp_msg(log, MSGL_TRACE, __VA_ARGS__) // Convenience macros, typically called with a pointer to a context struct// as first argument, which has a "struct mp_log *log;" member. #define MP_MSG(obj, lev, ...)   mp_msg((obj)->log, lev, __VA_ARGS__) #define MP_FATAL(obj, ...)      MP_MSG(obj, MSGL_FATAL, __VA_ARGS__)#define MP_ERR(obj, ...)        MP_MSG(obj, MSGL_ERR, __VA_ARGS__)#define MP_WARN(obj, ...)       MP_MSG(obj, MSGL_WARN, __VA_ARGS__)#define MP_INFO(obj, ...)       MP_MSG(obj, MSGL_INFO, __VA_ARGS__)#define MP_VERBOSE(obj, ...)    MP_MSG(obj, MSGL_V, __VA_ARGS__)#define MP_DBG(obj, ...)        MP_MSG(obj, MSGL_DEBUG, __VA_ARGS__)#define MP_TRACE(obj, ...)      MP_MSG(obj, MSGL_TRACE, __VA_ARGS__) // This is a bit special. See TOOLS/stats-conv.py what rules text passed// to these functions should follow. Also see --dump-stats.#define mp_stats(obj, ...)      mp_msg(obj, MSGL_STATS, __VA_ARGS__)#define MP_STATS(obj, ...)      MP_MSG(obj, MSGL_STATS, __VA_ARGS__) #endif /* MPLAYER_MP_MSG_H */