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/*
* 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"
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);
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);
}
// 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 */
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