Provide some information for every function and add a group.
---
Anton comments addressed, some more styling.
libavutil/avutil.h | 6 +++
libavutil/log.h | 106 ++++++++++++++++++++++++++++++++++++++++++++++++-----
2 files changed, 102 insertions(+), 10 deletions(-)
diff --git a/libavutil/avutil.h b/libavutil/avutil.h
index ddb34a1..6bb5510 100644
--- a/libavutil/avutil.h
+++ b/libavutil/avutil.h
@@ -127,6 +127,12 @@
*
* @}
*
+ * @defgroup lavu_log Logging Facility
+ *
+ * @{
+ *
+ * @}
+ *
* @defgroup lavu_misc Other
*
* @{
diff --git a/libavutil/log.h b/libavutil/log.h
index 7b17330..b18d247 100644
--- a/libavutil/log.h
+++ b/libavutil/log.h
@@ -89,8 +89,19 @@ typedef struct AVClass {
const struct AVClass* (*child_class_next)(const struct AVClass *prev);
} AVClass;
-/* av_log API */
+/**
+ * @addtogroup lavu_log
+ *
+ * @{
+ *
+ * @defgroup lavu_log_constants Logging Constants
+ *
+ * @{
+ */
+/**
+ * No output.
+ */
#define AV_LOG_QUIET -8
/**
@@ -117,7 +128,14 @@ typedef struct AVClass {
*/
#define AV_LOG_WARNING 24
+/**
+ * Standard information
+ */
#define AV_LOG_INFO 32
+
+/**
+ * Detailed information.
+ */
#define AV_LOG_VERBOSE 40
/**
@@ -126,26 +144,90 @@ typedef struct AVClass {
#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
+ * stderr. This behavior can be altered by setting a different logging callback
* function.
+ * @see av_log_set_callback
*
* @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.
+ * pointer to an AVClass struct.
+ * @param level The importance level of the message expressed using a @ref
+ * lavu_log_constants "Logging Constant".
* @param fmt The format string (printf-compatible) that specifies how
- * subsequent arguments are converted to output.
- * @see av_vlog
+ * subsequent arguments are converted to output.
*/
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);
+
+/**
+ * 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 logging callback
+ * function.
+ * @see av_log_set_callback
+ *
+ * @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 expressed using a @ref
+ * lavu_log_constants "Logging Constant".
+ * @param fmt The format string (printf-compatible) that specifies how
+ * subsequent arguments are converted to output.
+ * @param vl The arguments referenced by the format string.
+ */
+void av_vlog(void *avcl, int level, const char *fmt, va_list vl);
+
+/**
+ * Get the current log level
+ * @see lavu_log_constants
+ *
+ * @return Current log level
+ */
int av_log_get_level(void);
-void av_log_set_level(int);
-void av_log_set_callback(void (*)(void*, int, const char*, va_list));
+
+/**
+ * Set the log level
+ * @see lavu_log_constants
+ *
+ * @param level Logging level
+ */
+void av_log_set_level(int level);
+
+/**
+ * Set the logging callback
+ *
+ * @see av_log_default_callback
+ *
+ * @param callback A logging function with a signature compatible.
+ */
+void av_log_set_callback(void (*callback)(void*, int, const char*, va_list));
+
+/**
+ * Default logging callback
+ *
+ * It prints to stderr the message, optionally colorizing them.
+ *
+ * @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 expressed using a @ref
+ * lavu_log_constants "Logging Constant".
+ * @param fmt The format string (printf-compatible) that specifies how
+ * subsequent arguments are converted to output.
+ * @param ap The arguments referenced by the format string.
+ */
void av_log_default_callback(void* ptr, int level, const char* fmt, va_list
vl);
+
+/**
+ * Return the context name
+ *
+ * @param ctx The AVClass context
+ *
+ * @return The AVClass class_name
+ */
const char* av_default_item_name(void* ctx);
/**
@@ -170,4 +252,8 @@ const char* av_default_item_name(void* ctx);
#define AV_LOG_SKIP_REPEATED 1
void av_log_set_flags(int arg);
+/**
+ * @}
+ */
+
#endif /* AVUTIL_LOG_H */
--
1.8.3.2
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