mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
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141 lines
4.2 KiB
C
141 lines
4.2 KiB
C
/* Simple Plugin API
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*
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* Copyright © 2018 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SPA_LOG_H
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#define SPA_LOG_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdarg.h>
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#include <spa/utils/defs.h>
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enum spa_log_level {
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SPA_LOG_LEVEL_NONE = 0,
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SPA_LOG_LEVEL_ERROR,
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SPA_LOG_LEVEL_WARN,
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SPA_LOG_LEVEL_INFO,
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SPA_LOG_LEVEL_DEBUG,
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SPA_LOG_LEVEL_TRACE,
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};
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/**
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* The Log interface
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*/
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struct spa_log {
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/** the version of this log. This can be used to expand this
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* structure in the future */
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#define SPA_VERSION_LOG 0
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uint32_t version;
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/**
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* Logging level, everything above this level is not logged
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*/
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enum spa_log_level level;
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/**
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* Extra information about the log
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*/
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const struct spa_dict *info;
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/**
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* Log a message with the given log level.
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*
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* \param log a spa_log
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* \param level a spa_log_level
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* \param file the file name
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* \param line the line number
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* \param func the function name
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* \param fmt printf style format
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* \param ... format arguments
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*/
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void (*log) (struct spa_log *log,
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enum spa_log_level level,
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const char *file,
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int line,
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const char *func,
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const char *fmt, ...) SPA_PRINTF_FUNC(6, 7);
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/**
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* Log a message with the given log level.
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*
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* \param log a spa_log
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* \param level a spa_log_level
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* \param file the file name
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* \param line the line number
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* \param func the function name
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* \param fmt printf style format
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* \param args format arguments
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*/
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void (*logv) (struct spa_log *log,
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enum spa_log_level level,
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const char *file,
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int line,
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const char *func,
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const char *fmt,
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va_list args) SPA_PRINTF_FUNC(6, 0);
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};
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#define spa_log_level_enabled(l,lev) ((l) && (l)->level >= (lev))
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#if defined(__USE_ISOC11) || defined(__USE_ISOC99) || \
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(defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L)
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#define spa_log_log(l,lev,...) \
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({ \
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if (SPA_UNLIKELY (spa_log_level_enabled (l, lev))) \
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(l)->log((l),lev,__VA_ARGS__); \
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})
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#define spa_log_error(l,...) spa_log_log(l,SPA_LOG_LEVEL_ERROR,__FILE__,__LINE__,__func__,__VA_ARGS__)
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#define spa_log_warn(l,...) spa_log_log(l,SPA_LOG_LEVEL_WARN,__FILE__,__LINE__,__func__,__VA_ARGS__)
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#define spa_log_info(l,...) spa_log_log(l,SPA_LOG_LEVEL_INFO,__FILE__,__LINE__,__func__,__VA_ARGS__)
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#define spa_log_debug(l,...) spa_log_log(l,SPA_LOG_LEVEL_DEBUG,__FILE__,__LINE__,__func__,__VA_ARGS__)
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#define spa_log_trace(l,...) spa_log_log(l,SPA_LOG_LEVEL_TRACE,__FILE__,__LINE__,__func__,__VA_ARGS__)
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#else
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#define SPA_LOG_FUNC(name,lev) \
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static inline void spa_log_##name (struct spa_log *l, const char *format, ...) \
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{ \
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if (SPA_UNLIKELY (spa_log_level_enabled (l, lev))) { \
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va_list varargs; \
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va_start (varargs, format); \
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(l)->logv((l),lev,__FILE__,__LINE__,__func__,format,varargs); \
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va_end (varargs); \
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} \
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}
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SPA_LOG_FUNC(error, SPA_LOG_LEVEL_ERROR)
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SPA_LOG_FUNC(warn, SPA_LOG_LEVEL_WARN)
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SPA_LOG_FUNC(info, SPA_LOG_LEVEL_INFO)
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SPA_LOG_FUNC(debug, SPA_LOG_LEVEL_DEBUG)
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SPA_LOG_FUNC(trace, SPA_LOG_LEVEL_TRACE)
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* SPA_LOG_H */
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