diff -r c4fd2813b127 -r d92eeb468dad misc/winutils/include/libavutil/log.h --- a/misc/winutils/include/libavutil/log.h Wed Jul 31 23:14:27 2019 +0200 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,172 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer - * - * This file is part of Libav. - * - * Libav 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. - * - * Libav 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 Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#ifndef AVUTIL_LOG_H -#define AVUTIL_LOG_H - -#include -#include "avutil.h" -#include "attributes.h" - -/** - * Describe the class of an AVClass context structure. That is an - * arbitrary struct of which the first field is a pointer to an - * AVClass struct (e.g. AVCodecContext, AVFormatContext etc.). - */ -typedef struct AVClass { - /** - * The name of the class; usually it is the same name as the - * context structure type to which the AVClass is associated. - */ - const char* class_name; - - /** - * A pointer to a function which returns the name of a context - * instance ctx associated with the class. - */ - const char* (*item_name)(void* ctx); - - /** - * a pointer to the first option specified in the class if any or NULL - * - * @see av_set_default_options() - */ - const struct AVOption *option; - - /** - * LIBAVUTIL_VERSION with which this structure was created. - * This is used to allow fields to be added without requiring major - * version bumps everywhere. - */ - - int version; - - /** - * Offset in the structure where log_level_offset is stored. - * 0 means there is no such variable - */ - int log_level_offset_offset; - - /** - * Offset in the structure where a pointer to the parent context for loging is stored. - * for example a decoder that uses eval.c could pass its AVCodecContext to eval as such - * parent context. And a av_log() implementation could then display the parent context - * can be NULL of course - */ - int parent_log_context_offset; - - /** - * Return next AVOptions-enabled child or NULL - */ - void* (*child_next)(void *obj, void *prev); - - /** - * Return an AVClass corresponding to next potential - * AVOptions-enabled child. - * - * The difference between child_next and this is that - * child_next iterates over _already existing_ objects, while - * child_class_next iterates over _all possible_ children. - */ - const struct AVClass* (*child_class_next)(const struct AVClass *prev); -} AVClass; - -/* av_log API */ - -#define AV_LOG_QUIET -8 - -/** - * Something went really wrong and we will crash now. - */ -#define AV_LOG_PANIC 0 - -/** - * Something went wrong and recovery is not possible. - * For example, no header was found for a format which depends - * on headers or an illegal combination of parameters is used. - */ -#define AV_LOG_FATAL 8 - -/** - * Something went wrong and cannot losslessly be recovered. - * However, not all future data is affected. - */ -#define AV_LOG_ERROR 16 - -/** - * Something somehow does not look correct. This may or may not - * lead to problems. An example would be the use of '-vstrict -2'. - */ -#define AV_LOG_WARNING 24 - -#define AV_LOG_INFO 32 -#define AV_LOG_VERBOSE 40 - -/** - * Stuff which is only useful for libav* developers. - */ -#define AV_LOG_DEBUG 48 - -/** - * Send the specified message to the log if the level is less than or equal - * to the current av_log_level. By default, all logging messages are sent to - * stderr. This behavior can be altered by setting a different av_vlog callback - * function. - * - * @param avcl A pointer to an arbitrary struct of which the first field is a - * pointer to an AVClass struct. - * @param level The importance level of the message, lower values signifying - * higher importance. - * @param fmt The format string (printf-compatible) that specifies how - * subsequent arguments are converted to output. - * @see av_vlog - */ -void av_log(void *avcl, int level, const char *fmt, ...) av_printf_format(3, 4); - -void av_vlog(void *avcl, int level, const char *fmt, va_list); -int av_log_get_level(void); -void av_log_set_level(int); -void av_log_set_callback(void (*)(void*, int, const char*, va_list)); -void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl); -const char* av_default_item_name(void* ctx); - -/** - * av_dlog macros - * Useful to print debug messages that shouldn't get compiled in normally. - */ - -#ifdef DEBUG -# define av_dlog(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__) -#else -# define av_dlog(pctx, ...) -#endif - -/** - * Skip repeated messages, this requires the user app to use av_log() instead of - * (f)printf as the 2 would otherwise interfere and lead to - * "Last message repeated x times" messages below (f)printf messages with some - * bad luck. - * Also to receive the last, "last repeated" line if any, the user app must - * call av_log(NULL, AV_LOG_QUIET, ""); at the end - */ -#define AV_LOG_SKIP_REPEATED 1 -void av_log_set_flags(int arg); - -#endif /* AVUTIL_LOG_H */