Initial Version of HEVC decoder
Compliant to reference software HM11.0 onwards
Bug: 14571712
Change-Id: I8af25c1221cc6ab70440141c4d9b48c1ac69696a
diff --git a/decoder/ihevcd_nal.h b/decoder/ihevcd_nal.h
new file mode 100644
index 0000000..b7d09d0
--- /dev/null
+++ b/decoder/ihevcd_nal.h
@@ -0,0 +1,69 @@
+/******************************************************************************
+*
+* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
+*
+* 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.
+*
+******************************************************************************/
+/**
+*******************************************************************************
+* @file
+* ihevcd_nal.h
+*
+* @brief
+* Header for NAL related function
+*
+* @author
+* Harish
+*
+* @par List of Functions:
+*
+* @remarks
+* None
+*
+*******************************************************************************
+*/
+
+#ifndef _IHEVCD_NAL_H_
+#define _IHEVCD_NAL_H_
+/**
+ * Minimum size of start code including NAL type
+ */
+
+#define MIN_START_CODE_LEN 4
+/**
+ * Start code prefix byte - 1
+ */
+#define START_CODE_PREFIX_BYTE 1
+
+/**
+ * Emulation prevention byte - 3
+ */
+
+#define EMULATION_PREVENT_BYTE 3
+/**
+ * Minimum number of zeros before start code
+ */
+#define NUM_ZEROS_BEFORE_START_CODE 2
+
+
+WORD32 ihevcd_nal_search_start_code(UWORD8 *pu1_buf, WORD32 bytes_remaining);
+
+IHEVCD_ERROR_T ihevcd_nal_remv_emuln_bytes(UWORD8 *pu1_src,
+ UWORD8 *pu1_dst,
+ WORD32 bytes_remaining,
+ WORD32 *pi4_nal_len,
+ WORD32 *pi4_dst_len);
+
+IHEVCD_ERROR_T ihevcd_nal_unit(codec_t *ps_codec);
+#endif /* _IHEVCD_NAL_H_ */