unplugged-system/external/libavc/encoder/svc/isvce_cavlc.h

127 lines
4.0 KiB
C

/******************************************************************************
*
* Copyright (C) 2022 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
*/
/**
******************************************************************************
* @file
* isvce_cavlc.h
*
* @brief
* This file contains enumerations, macros and extern declarations of H264
* cavlc tables
*
* @author
* ittiam
*
* @remarks
* none
******************************************************************************
*/
#ifndef _ISVCE_CAVLC_H_
#define _ISVCE_CAVLC_H_
#include "ih264_typedefs.h"
#include "isvce_defs.h"
#include "isvce_structs.h"
/*****************************************************************************/
/* Function macro definitions */
/*****************************************************************************/
/*****************************************************************************/
/* Extern Function Declarations */
/*****************************************************************************/
/**
*******************************************************************************
*
* @brief
* This function generates CAVLC coded bit stream for an Intra Slice.
*
* @description
* The mb syntax layer for intra slices constitutes luma mb mode, luma sub modes
* (if present), mb qp delta, coded block pattern, chroma mb mode and
* luma/chroma residue. These syntax elements are written as directed by table
* 7.3.5 of h264 specification.
*
* @param[in] ps_ent_ctxt
* pointer to entropy context
*
* @returns error code
*
* @remarks none
*
*******************************************************************************
*/
IH264E_ERROR_T isvce_write_islice_mb_cavlc(isvce_entropy_ctxt_t *ps_ent_ctxt);
/**
*******************************************************************************
*
* @brief
* This function generates CAVLC coded bit stream for Inter slices
*
* @description
* The mb syntax layer for inter slices constitutes luma mb mode, luma sub modes
* (if present), mb qp delta, coded block pattern, chroma mb mode and
* luma/chroma residue. These syntax elements are written as directed by table
* 7.3.5 of h264 specification
*
* @param[in] ps_ent_ctxt
* pointer to entropy context
*
* @returns error code
*
* @remarks none
*
*******************************************************************************
*/
IH264E_ERROR_T isvce_write_pslice_mb_cavlc(isvce_entropy_ctxt_t *ps_ent_ctxt);
/**
*******************************************************************************
*
* @brief
* This function generates CAVLC coded bit stream for Inter(B) slices
*
* @description
* The mb syntax layer for inter slices constitutes luma mb mode, luma sub modes
* (if present), mb qp delta, coded block pattern, chroma mb mode and
* luma/chroma residue. These syntax elements are written as directed by table
* 7.3.5 of h264 specification
*
* @param[in] ps_ent_ctxt
* pointer to entropy context
*
* @returns error code
*
* @remarks none
*
*******************************************************************************
*/
IH264E_ERROR_T isvce_write_bslice_mb_cavlc(isvce_entropy_ctxt_t *ps_ent_ctxt);
#if ENABLE_RE_ENC_AS_SKIP
IH264E_ERROR_T isvce_reencode_as_skip_frame_cavlc(isvce_entropy_ctxt_t *ps_entropy);
#endif
#endif