Initial check in of stagefright software AAC decoder based on PV source code.

1 files changed, 99 insertions, 0 deletions

diff --git a/media/libstagefright/codecs/aacdec/qmf_filterbank_coeff.h b/media/libstagefright/codecs/aacdec/qmf_filterbank_coeff.h
new file mode 100644
index 0000000..c8968cb
--- /dev/null
+++ b/media/libstagefright/codecs/aacdec/qmf_filterbank_coeff.h
@@ -0,0 +1,99 @@
+/* ------------------------------------------------------------------
+ * 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: qmf_filterbank_coeff.h
+
+------------------------------------------------------------------------------
+ REVISION HISTORY
+
+
+------------------------------------------------------------------------------
+ INCLUDE DESCRIPTION
+
+ this file declares the scalefactor bands for all sampling rates
+
+------------------------------------------------------------------------------
+*/
+
+
+/*----------------------------------------------------------------------------
+; CONTINUE ONLY IF NOT ALREADY DEFINED
+----------------------------------------------------------------------------*/
+#ifndef QMF_FILTERBANK_COEFF_H
+#define QMF_FILTERBANK_COEFF_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
+----------------------------------------------------------------------------*/
+
+#define Qfmt(x)   (Int16)(x*(((Int32)1<<15)*1.11111111111111111F) + (x>=0?0.5F:-0.5F))
+
+
+#define Qfmt30(x)   (Int32)(x*((Int32)1<<30) + (x>=0?0.5F:-0.5F))
+#define Qfmt27(x)   (Int32)(x*(((Int32)1<<27)) + (x>=0?0.5F:-0.5F))
+
+extern const Int32 sbrDecoderFilterbankCoefficients[155];
+
+
+extern const Int32 sbrDecoderFilterbankCoefficients_down_smpl[160];
+extern const Int32 sbrDecoderFilterbankCoefficients_an_filt_LC[155];
+
+#ifdef HQ_SBR
+extern const Int32 sbrDecoderFilterbankCoefficients_an_filt[155];
+#endif
+
+/*----------------------------------------------------------------------------
+; SIMPLE TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; ENUMERATED TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; STRUCTURES TYPEDEF'S
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; GLOBAL FUNCTION DEFINITIONS
+; Function Prototype declaration
+----------------------------------------------------------------------------*/
+
+/*----------------------------------------------------------------------------
+; END
+----------------------------------------------------------------------------*/
+#endif
+
+