1 files changed, 112 insertions, 0 deletions
diff --git a/media/libstagefright/codecs/aacdec/e_blockswitching.h b/media/libstagefright/codecs/aacdec/e_blockswitching.h
new file mode 100644
index 0000000..bf6ad15
--- /dev/null
+++ b/media/libstagefright/codecs/aacdec/e_blockswitching.h
@@ -0,0 +1,112 @@
+/* ------------------------------------------------------------------
+ * 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.
+ * -------------------------------------------------------------------
+ */
+/*
+
+ Pathname: ./include/e_BlockSwitching.h
+
+------------------------------------------------------------------------------
+ REVISION HISTORY
+
+ Who:                       Date:
+ Description:
+
+------------------------------------------------------------------------------
+ INCLUDE DESCRIPTION
+
+ enum for BlockSwitching related constants
+
+------------------------------------------------------------------------------
+*/
+
+/*----------------------------------------------------------------------------
+; CONTINUE ONLY IF NOT ALREADY DEFINED
+----------------------------------------------------------------------------*/
+#ifndef E_BLOCK_SWITCHING_H
+#define E_BLOCK_SWITCHING_H
+
+/*----------------------------------------------------------------------------
+; INCLUDES
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; 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
+----------------------------------------------------------------------------*/
+typedef enum
+{
+    /*
+     * block switching
+     */
+    LN          = 2048,
+    SN          = 256,
+    LN2         = LN / 2,
+    SN2         = SN / 2,
+    LN4         = LN / 4,
+    SN4         = SN / 4,
+    NSHORT      = LN / SN,
+    MAX_SBK     = NSHORT,
+    MAX_WIN     = MAX_SBK,
+
+    ONLY_LONG_WINDOW    = 0,
+    LONG_START_WINDOW,
+    EIGHT_SHORT_WINDOW,
+    LONG_STOP_WINDOW,
+    NUM_WIN_SEQ,
+
+    WLONG       = ONLY_LONG_WINDOW,
+    WSTART,
+    WSHORT,
+    WSTOP,
+
+    MAXBANDS        = 16 * NSHORT,  /* max number of scale factor bands */
+    MAXFAC      = 121,      /* maximum scale factor */
+    MIDFAC      = (MAXFAC - 1) / 2,
+    SF_OFFSET       = 100       /* global gain must be positive */
+} eBlockSwitching;
+
+/*----------------------------------------------------------------------------
+; STRUCTURES TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; GLOBAL FUNCTION DEFINITIONS
+; Function Prototype declaration
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; END
+----------------------------------------------------------------------------*/
+#endif