#define AVERROR_PATCHWELCOME -MKTAG('P','A','W','E') /**< Not yet implemented in FFmpeg. Patches welcome. */
/**
- * Logs a generic warning message about a missing feature.
+ * Logs a generic warning message about a missing feature. This function is
+ * intended to be used internally by FFmpeg (libavcodec, libavformat, etc.)
+ * only, and would normally not be used by applications.
* @param[in] avc a pointer to an arbitrary struct of which the first field is
* a pointer to an AVClass struct
* @param[in] feature string containing the name of the missing feature
void av_log_missing_feature(void *avc, const char *feature, int want_sample);
/**
- * Logs a generic warning message asking for a sample.
+ * Logs a generic warning message asking for a sample. This function is
+ * intended to be used internally by FFmpeg (libavcodec, libavformat, etc.)
+ * only, and would normally not be used by applications.
* @param[in] avc a pointer to an arbitrary struct of which the first field is
* a pointer to an AVClass struct
* @param[in] msg string containing an optional message, or NULL if no message