Add functions to return library license and library configuration.

Originally committed as revision 20547 to svn://svn.ffmpeg.org/ffmpeg/trunk

2 files changed, 21 insertions, 0 deletions

diff --git a/libavformat/avformat.h b/libavformat/avformat.h
index 19914b6d66..21aad52f95 100644
--- a/libavformat/avformat.h
+++ b/libavformat/avformat.h
@@ -40,6 +40,16 @@
  */
 unsigned avformat_version(void);
 
+/**
+ * Returns the libavformat build-time configuration.
+ */
+const char * avformat_configuration(void);
+
+/**
+ * Returns the libavformat license.
+ */
+const char * avformat_license(void);
+
 #include <time.h>
 #include <stdio.h>  /* FILE */
 #include "libavcodec/avcodec.h"
diff --git a/libavformat/utils.c b/libavformat/utils.c
index a9d07fa645..c76ea69081 100644
--- a/libavformat/utils.c
+++ b/libavformat/utils.c
@@ -41,6 +41,17 @@ unsigned avformat_version(void)
     return LIBAVFORMAT_VERSION_INT;
 }
 
+const char * avformat_configuration(void)
+{
+    return FFMPEG_CONFIGURATION;
+}
+
+const char * avformat_license(void)
+{
+#define LICENSE_PREFIX "libavformat license: "
+    return LICENSE_PREFIX FFMPEG_LICENSE + sizeof(LICENSE_PREFIX) - 1;
+}
+
 /* fraction handling */
 
 /**