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authorAndreas Huber <andih@google.com>2009-12-07 09:56:32 -0800
committerAndreas Huber <andih@google.com>2009-12-07 11:02:28 -0800
commitf44de515d3b6098a0b585865c1a0c7b20d3075a6 (patch)
tree028b1d81643bbb332464b42b50a0f79ba5359142 /media/libstagefright/codecs/aacdec/sbr_aliasing_reduction.h
parentbf697e37550d9e8376089b0b5e498613bede798c (diff)
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Initial check in of stagefright software AAC decoder based on PV source code.
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+/* ------------------------------------------------------------------
+ * Copyright (C) 1998-2009 PacketVideo
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
+ * express or implied.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ * -------------------------------------------------------------------
+ */
+/*
+
+ Filename: sbr_aliasing_reduction.h
+ Funtions:
+
+------------------------------------------------------------------------------
+ REVISION HISTORY
+
+
+ Who: Date: MM/DD/YYYY
+ Description:
+------------------------------------------------------------------------------
+
+
+----------------------------------------------------------------------------
+; CONTINUE ONLY IF NOT ALREADY DEFINED
+----------------------------------------------------------------------------*/
+#ifndef SBR_ALIASING_REDUCTION_H
+#define SBR_ALIASING_REDUCTION_H
+
+/*----------------------------------------------------------------------------
+; INCLUDES
+----------------------------------------------------------------------------*/
+#include "pv_audio_type_defs.h"
+
+/*----------------------------------------------------------------------------
+; MACROS
+; Define module specific macros here
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; DEFINES
+; Include all pre-processor statements here.
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; EXTERNAL VARIABLES REFERENCES
+; Declare variables used in this module but defined elsewhere
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; SIMPLE TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; ENUMERATED TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; STRUCTURES TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; GLOBAL FUNCTION DEFINITIONS
+; Function Prototype declaration
+----------------------------------------------------------------------------*/
+
+void sbr_aliasing_reduction(Int32 *degreeAlias,
+ Int32 * nrg_gain_man,
+ Int32 * nrg_gain_exp,
+ Int32 * nrg_est_man,
+ Int32 * nrg_est_exp,
+ Int32 * dontUseTheseGainValues,
+ Int32 noSubbands,
+ Int32 lowSubband,
+ Int32 sqrt_cache[][4],
+ Int32 * groupVector);
+
+
+/*----------------------------------------------------------------------------
+; END
+----------------------------------------------------------------------------*/
+#endif
+
+