Add more detail description for esplusplayer_set_video_stream_rotation_info API

diff --git a/include/esplusplayer_capi/esplusplayer_capi.h b/include/esplusplayer_capi/esplusplayer_capi.h
index 7d2aa50..c392cb2 100755 (executable)
--- a/include/esplusplayer_capi/esplusplayer_capi.h
+++ b/include/esplusplayer_capi/esplusplayer_capi.h
@@ -3828,9 +3828,9 @@ int esplusplayer_set_app_info_ex(esplusplayer_handle handle,
 
 /**
  * @brief     Set the rotate angle of the video stream.
- * The rotate angle will be delivered to display driver module.
- * In Pogo-Pin Camera Video Call scenario, encoder needs to get the rotate angle 
- * from display driver module to do encoding
+ * This API is used for rotate camera, e.g Pogo-Pin camera
+ * In Pogo-Pin Camera Video Call scenario, just provide the rotate angle to encoder 
+ * and AIFW
  * @remark    This API will not actually rotate the video display
  * @param     [in] handle : esplusplayer handle.
  * @param     [in] rotation : the rotate angle of the video.