1 files changed, 10 insertions, 1 deletions
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index 27d6e55d61..4b56b55abc 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -1347,7 +1347,8 @@ typedef struct AVCodecContext {
      * timebase should be 1/framerate and timestamp increments should be
      * identically 1.
      * - encoding: MUST be set by user.
-     * - decoding: Set by libavcodec.
+     * - decoding: the use of this field for decoding is deprecated.
+     *             Use framerate instead.
      */
     AVRational time_base;
 
@@ -2988,6 +2989,14 @@ typedef struct AVCodecContext {
      */
     int initial_padding;
 
+    /*
+     * - decoding: For codecs that store a framerate value in the compressed
+     *             bitstream, the decoder may export it here. { 0, 1} when
+     *             unknown.
+     * - encoding: unused
+     */
+    AVRational framerate;
+
     /**
      * Timebase in which pkt_dts/pts and AVPacket.dts/pts are.
      * Code outside libavcodec should access this field using: