Import xHE-AAC decoder from Ittiam

Clean copy of version XHEAAC_V1_36 as delivered 2018/4/13
Sole change is to map cr/lf line termination to unix lf.

Added appropriate LICENSE, MODULE_LICENSE_APACHE2, and NOTICE files
as part of folding into internal master.

Bug: 77287124
Test: CTS audio/media
Change-Id: I3c8d124033f967b29d6e384cce5c843ee17a7bb1

1 files changed, 33 insertions, 0 deletions

diff --git a/decoder/ixheaacd_ps_bitdec.h b/decoder/ixheaacd_ps_bitdec.h
new file mode 100644
index 0000000..67f6106
--- /dev/null
+++ b/decoder/ixheaacd_ps_bitdec.h
@@ -0,0 +1,33 @@
+/******************************************************************************
+ *                                                                            *
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * 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.
+ *
+ *****************************************************************************
+ * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
+*/
+#ifndef IXHEAACD_PS_BITDEC_H
+#define IXHEAACD_PS_BITDEC_H
+
+#define EXTENSION_ID_PS_CODING 2
+
+WORD16 ixheaacd_read_ps_data(ia_ps_dec_struct *ptr_ps_dec,
+                             ia_bit_buf_struct *it_bit_buff, WORD16 n_bits_left,
+                             ia_ps_tables_struct *ps_tables_ptr);
+
+VOID ixheaacd_decode_ps_data(ia_ps_dec_struct *ptr_ps_dec);
+
+extern VOID ixheaacd_map_34_params_to_20(WORD16 *a_idx);
+
+#endif