Add GetKeyFrameGroupSize()

Makes vp9_get_frames_to_next_key() public.

Change-Id: I903cefbb3925d6ffc641412c6d60d95a2ff256a4

1 files changed, 7 insertions, 0 deletions

diff --git a/vp9/simple_encode.h b/vp9/simple_encode.h
index a05ef10cb..471b4e7a8 100644
--- a/vp9/simple_encode.h
+++ b/vp9/simple_encode.h
@@ -65,6 +65,13 @@ class SimpleEncode {
   // This function should be called after StartEncode() or EncodeFrame().
   void EndEncode();
 
+  // Given a key_frame_index, computes this key frame group's size.
+  // The key frame group size includes one key frame plus the number of
+  // following inter frames. Note that the key frame group size only counts the
+  // show frames. The number of no show frames like alternate refereces are not
+  // counted.
+  int GetKeyFrameGroupSize(int key_frame_index) const;
+
   // Encodes a frame
   // This function should be called after StartEncode() and before EndEncode().
   void EncodeFrame(EncodeFrameResult *encode_frame_result);