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diff --git a/indra/llcharacter/llbvhloader.h b/indra/llcharacter/llbvhloader.h
new file mode 100644
index 0000000000..7e00e1d5f4
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+++ b/indra/llcharacter/llbvhloader.h
@@ -0,0 +1,282 @@
+/** 
+ * @file llbvhloader.h
+ * @brief Translates a BVH files to LindenLabAnimation format.
+ *
+ * Copyright (c) 2004-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#ifndef LL_LLBVHLOADER_H
+#define LL_LLBVHLOADER_H
+
+#include <string>
+#include <vector>
+#include <map>
+#include <stdtypes.h>
+#include <stdio.h>
+#include "v3math.h"
+#include "m3math.h"
+#include "llmath.h"
+#include "llapr.h"
+
+const S32 BVH_PARSER_LINE_SIZE = 2048;
+const F32 MAX_ANIM_DURATION = 30.f;
+class LLDataPacker;
+
+//------------------------------------------------------------------------
+// FileCloser
+//------------------------------------------------------------------------
+class FileCloser
+{
+public:
+	FileCloser( apr_file_t *file )
+	{
+		mFile = file;
+	}
+
+	~FileCloser()
+	{
+		apr_file_close(mFile);
+	}
+protected:
+	apr_file_t* mFile;
+};
+
+
+//------------------------------------------------------------------------
+// Key
+//------------------------------------------------------------------------
+struct Key
+{
+	Key()
+	{
+		mPos[0] = mPos[1] = mPos[2] = 0.0f;
+		mRot[0] = mRot[1] = mRot[2] = 0.0f;
+		mIgnorePos = false;
+		mIgnoreRot = false;
+	}
+
+	F32	mPos[3];
+	F32	mRot[3];
+	BOOL	mIgnorePos;
+	BOOL	mIgnoreRot;
+};
+
+
+//------------------------------------------------------------------------
+// KeyVector
+//------------------------------------------------------------------------
+typedef  std::vector<Key> KeyVector;
+
+//------------------------------------------------------------------------
+// Joint
+//------------------------------------------------------------------------
+struct Joint
+{
+	Joint(const char *name)
+	{
+		mName = name;
+		mIgnore = FALSE;
+		mIgnorePositions = FALSE;
+		mRelativePositionKey = FALSE;
+		mRelativeRotationKey = FALSE;
+		mOutName = name;
+		mOrder[0] = 'X';
+		mOrder[1] = 'Y';
+		mOrder[2] = 'Z';
+		mOrder[3] = 0;
+		mNumPosKeys = 0;
+		mNumRotKeys = 0;
+		mChildTreeMaxDepth = 0;
+		mPriority = 0;
+	}
+
+	// Include aligned members first
+	LLMatrix3		mFrameMatrix;
+	LLMatrix3		mOffsetMatrix;
+	LLVector3		mRelativePosition;
+	//
+	std::string		mName;
+	BOOL			mIgnore;
+	BOOL			mIgnorePositions;
+	BOOL			mRelativePositionKey;
+	BOOL			mRelativeRotationKey;
+	std::string		mOutName;
+	std::string		mMergeParentName;
+	std::string		mMergeChildName;
+	char			mOrder[4];			/* Flawfinder: ignore */
+	KeyVector		mKeys;
+	S32				mNumPosKeys;
+	S32				mNumRotKeys;
+	S32				mChildTreeMaxDepth;
+	S32				mPriority;
+};
+
+
+typedef enum e_constraint_type
+{
+	CONSTRAINT_TYPE_POINT,
+	CONSTRAINT_TYPE_PLANE
+} EConstraintType;
+
+struct Constraint
+{
+	char			mSourceJointName[16];		/* Flawfinder: ignore */
+	char			mTargetJointName[16];		/* Flawfinder: ignore */
+	S32				mChainLength;
+	LLVector3		mSourceOffset;
+	LLVector3		mTargetOffset;
+	LLVector3		mTargetDir;
+	F32				mEaseInStart;
+	F32				mEaseInStop;
+	F32				mEaseOutStart;
+	F32				mEaseOutStop;
+	EConstraintType mConstraintType;
+};
+
+//------------------------------------------------------------------------
+// JointVector
+//------------------------------------------------------------------------
+typedef std::vector<Joint*> JointVector;
+
+//------------------------------------------------------------------------
+// ConstraintVector
+//------------------------------------------------------------------------
+typedef std::vector<Constraint> ConstraintVector;
+
+//------------------------------------------------------------------------
+// Translation
+//------------------------------------------------------------------------
+class Translation
+{
+public:
+	Translation()
+	{
+		mIgnore = FALSE;
+		mRelativePositionKey = FALSE;
+		mRelativeRotationKey = FALSE;
+		mPriorityModifier = 0;
+	}
+
+	std::string	mOutName;
+	BOOL		mIgnore;
+	BOOL		mIgnorePositions;
+	BOOL		mRelativePositionKey;
+	BOOL		mRelativeRotationKey;
+	LLMatrix3	mFrameMatrix;
+	LLMatrix3	mOffsetMatrix;
+	LLVector3	mRelativePosition;
+	std::string	mMergeParentName;
+	std::string	mMergeChildName;
+	S32			mPriorityModifier;
+};
+
+//------------------------------------------------------------------------
+// TranslationMap
+//------------------------------------------------------------------------
+typedef std::map<std::string, Translation> TranslationMap;
+
+class LLBVHLoader
+{
+	friend class LLKeyframeMotion;
+public:
+	// Constructor
+	LLBVHLoader(const char* buffer);
+	~LLBVHLoader();
+	
+	// Status Codes
+	typedef char *Status;
+	static char *ST_OK;
+	static char *ST_EOF;
+	static char *ST_NO_CONSTRAINT;
+	static char *ST_NO_FILE;
+	static char *ST_NO_HIER;
+	static char *ST_NO_JOINT;
+	static char *ST_NO_NAME;
+	static char *ST_NO_OFFSET;
+	static char *ST_NO_CHANNELS;
+	static char *ST_NO_ROTATION;
+	static char *ST_NO_AXIS;
+	static char *ST_NO_MOTION;
+	static char *ST_NO_FRAMES;
+	static char *ST_NO_FRAME_TIME;
+	static char *ST_NO_POS;
+	static char *ST_NO_ROT;
+	static char *ST_NO_XLT_FILE;
+	static char *ST_NO_XLT_HEADER;
+	static char *ST_NO_XLT_NAME;
+	static char *ST_NO_XLT_IGNORE;
+	static char *ST_NO_XLT_RELATIVE;
+	static char *ST_NO_XLT_OUTNAME;
+	static char *ST_NO_XLT_MATRIX;
+	static char *ST_NO_XLT_MERGECHILD;
+	static char *ST_NO_XLT_MERGEPARENT;
+	static char *ST_NO_XLT_PRIORITY;
+	static char *ST_NO_XLT_LOOP;
+	static char *ST_NO_XLT_EASEIN;
+	static char *ST_NO_XLT_EASEOUT;
+	static char *ST_NO_XLT_HAND;
+	static char *ST_NO_XLT_EMOTE;
+
+	// Loads the specified translation table.
+	Status loadTranslationTable(const char *fileName);
+
+	// Load the specified BVH file.
+	// Returns status code.
+	Status loadBVHFile(const char *buffer, char *error_text, S32 &error_line);
+
+	// Applies translations to BVH data loaded.
+	void applyTranslations();
+
+	// Returns the number of lines scanned.
+	// Useful for error reporting.
+	S32 getLineNumber() { return mLineNumber; }
+
+	// returns required size of output buffer
+	U32 getOutputSize();
+
+	// writes contents to datapacker
+	BOOL serialize(LLDataPacker& dp);
+
+	// flags redundant keyframe data
+	void optimize();
+
+	void reset();
+
+	F32 getDuration() { return mDuration; }
+
+	BOOL isInitialized() { return mInitialized; }
+
+	Status getStatus() { return mStatus; }
+
+protected:
+	// Consumes one line of input from file.
+	BOOL getLine(apr_file_t *fp);
+
+	// parser state
+	char		mLine[BVH_PARSER_LINE_SIZE];		/* Flawfinder: ignore */
+	S32			mLineNumber;
+
+	// parsed values
+	S32					mNumFrames;
+	F32					mFrameTime;
+	JointVector			mJoints;
+	ConstraintVector	mConstraints;
+	TranslationMap		mTranslations;
+
+	S32					mPriority;
+	BOOL				mLoop;
+	F32					mLoopInPoint;
+	F32					mLoopOutPoint;
+	F32					mEaseIn;
+	F32					mEaseOut;
+	S32					mHand;
+	std::string			mEmoteName;
+
+	BOOL				mInitialized;
+	Status				mStatus;
+	// computed values
+	F32	mDuration;
+};
+
+#endif // LL_LLBVHLOADER_H