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18
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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#include <stdarg.h>
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* Describes the class of an AVClass context structure, that is an
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* arbitrary struct of which the first field is a pointer to an
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* AVClass struct (e.g. AVCodecContext, AVFormatContext etc.).
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typedef struct AVCLASS AVClass;
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* the name of the class, usually it is the same name of the
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* context structure type to which the AVClass is associated
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const char* class_name;
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const char* (*item_name)(void*); /* actually passing a pointer to an AVCodecContext
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or AVFormatContext, which begin with an AVClass.
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Needed because av_log is in libavcodec and has no visibility
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of AVIn/OutputFormat */
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* a pointer to a function which returns the name of a context
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* instance \p ctx associated with the class
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const char* (*item_name)(void* ctx);
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* a pointer to the first option specified in the class if any or NULL
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* @see av_set_default_options()
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50
const struct AVOption *option;
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96
#define AV_LOG_DEBUG 48
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#if LIBAVUTIL_VERSION_INT < (50<<16)
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extern int av_log_level;
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* Send the specified message to the log if the level is less than or equal to
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* the current av_log_level. By default, all logging messages are sent to
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* stderr. This behavior can be altered by setting a different av_vlog callback
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* @param avcl A pointer to an arbitrary struct of which the first field is a
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* pointer to an AVClass struct.
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* @param level The importance level of the message, lower values signifying
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* @param fmt The format string (printf-compatible) that specifies how
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* subsequent arguments are converted to output.
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extern void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
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extern void av_log(void*, int level, const char *fmt, ...);
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#if LIBAVUTIL_VERSION_INT < (50<<16)
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extern void av_vlog(void*, int level, const char *fmt, va_list);
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extern int av_log_get_level(void);
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extern void av_log_set_level(int);
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extern void av_log_set_callback(void (*)(void*, int, const char*, va_list));
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extern void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
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extern void (*av_vlog)(void*, int, const char*, va_list);
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void av_log(void*, int level, const char *fmt, ...) __attribute__ ((__format__ (__printf__, 3, 4)));
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void av_log(void*, int level, const char *fmt, ...);
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void av_vlog(void*, int level, const char *fmt, va_list);
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int av_log_get_level(void);
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void av_log_set_level(int);
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void av_log_set_callback(void (*)(void*, int, const char*, va_list));
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void av_log_default_callback(void* ptr, int level, const char* fmt, va_list vl);
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#endif /* FFMPEG_LOG_H */
added
removed
ffmpeg/libavutil/log.h
