From dacaa73ae5010b66f4224d70a520945e5b653544 Mon Sep 17 00:00:00 2001
From: Andreas Huber <andih@google.com>
Date: Mon, 7 Dec 2009 09:56:32 -0800
Subject: Initial check in of stagefright software AAC decoder based on PV
 source code.

---
 .../codecs/aacdec/sbr_update_freq_scale.h          | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 media/libstagefright/codecs/aacdec/sbr_update_freq_scale.h

(limited to 'media/libstagefright/codecs/aacdec/sbr_update_freq_scale.h')

diff --git a/media/libstagefright/codecs/aacdec/sbr_update_freq_scale.h b/media/libstagefright/codecs/aacdec/sbr_update_freq_scale.h
new file mode 100644
index 0000000..4acf3aa
--- /dev/null
+++ b/media/libstagefright/codecs/aacdec/sbr_update_freq_scale.h
@@ -0,0 +1,104 @@
+/* ------------------------------------------------------------------
+ * 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_update_freq_scale.h
+ Funtions:
+    get_dse
+
+------------------------------------------------------------------------------
+ REVISION HISTORY
+
+
+ Who:                                   Date: MM/DD/YYYY
+ Description:
+------------------------------------------------------------------------------
+
+
+ ----------------------------------------------------------------------------
+; CONTINUE ONLY IF NOT ALREADY DEFINED
+----------------------------------------------------------------------------*/
+#ifndef SBR_UPDATE_FREQ_SCALE_H
+#define SBR_UPDATE_FREQ_SCALE_H
+
+/*----------------------------------------------------------------------------
+; INCLUDES
+----------------------------------------------------------------------------*/
+#include "pv_audio_type_defs.h"
+
+/*----------------------------------------------------------------------------
+; MACROS
+; Define module specific macros here
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; DEFINES
+; Include all pre-processor statements here.
+----------------------------------------------------------------------------*/
+#define MAX_OCTAVE        29
+#define MAX_SECOND_REGION 50
+
+/*----------------------------------------------------------------------------
+; 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_update_freq_scale(Int32 * v_k_master,
+                           Int32 *h_num_bands,
+                           const Int32 lsbM,
+                           const Int32 usb,
+                           const Int32 freqScale,
+                           const Int32 alterScale,
+                           const Int32 channelOffset);
+
+
+void CalcBands(Int32 * diff,
+               Int32 start,
+               Int32 stop,
+               Int32 num_bands);
+
+void cumSum(Int32 start_value,
+            Int32 * diff,
+            Int32 length,
+            Int32 * start_adress);
+
+
+/*----------------------------------------------------------------------------
+; END
+----------------------------------------------------------------------------*/
+#endif
+
+
-- 
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