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70 lines
1.9 KiB
70 lines
1.9 KiB
/******************************************************************************
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*
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* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/**
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*******************************************************************************
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* @file
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* ihevcd_nal.h
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*
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* @brief
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* Header for NAL related function
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*
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* @author
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* Harish
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*
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* @par List of Functions:
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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#ifndef _IHEVCD_NAL_H_
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#define _IHEVCD_NAL_H_
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/**
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* Minimum size of start code including NAL type
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*/
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#define MIN_START_CODE_LEN 4
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/**
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* Start code prefix byte - 1
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*/
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#define START_CODE_PREFIX_BYTE 1
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/**
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* Emulation prevention byte - 3
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*/
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#define EMULATION_PREVENT_BYTE 3
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/**
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* Minimum number of zeros before start code
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*/
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#define NUM_ZEROS_BEFORE_START_CODE 2
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WORD32 ihevcd_nal_search_start_code(UWORD8 *pu1_buf, WORD32 bytes_remaining);
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IHEVCD_ERROR_T ihevcd_nal_remv_emuln_bytes(UWORD8 *pu1_src,
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UWORD8 *pu1_dst,
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WORD32 bytes_remaining,
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WORD32 *pi4_nal_len,
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WORD32 *pi4_dst_len);
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IHEVCD_ERROR_T ihevcd_nal_unit(codec_t *ps_codec);
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#endif /* _IHEVCD_NAL_H_ */
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