X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=libavutil%2Flog.h;h=02a0e1ac8ce22e7beb1dc357f6a1bb598b78f48b;hb=625751c47ad2f7ab4b94a236d6cdf87bd3dad0d3;hp=b8683302a2d424ffdcf532cc4b16340b9d3c01c2;hpb=988f585fcb1cfb40fe4b706c32b31594b536bba0;p=ffmpeg

diff --git a/libavutil/log.h b/libavutil/log.h
index b8683302a2d..02a0e1ac8ce 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -147,6 +147,16 @@ 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);
 
+/**
+ * Format a line of log the same way as the default callback.
+ * @param line          buffer to receive the formated line
+ * @param line_size     size of the buffer
+ * @param print_prefix  used to store whether the prefix must be printed;
+ *                      must point to a persistent integer initially set to 1
+ */
+void av_log_format_line(void *ptr, int level, const char *fmt, va_list vl,
+                        char *line, int line_size, int *print_prefix);
+
 /**
  * av_dlog macros
  * Useful to print debug messages that shouldn't get compiled in normally.