unplugged-system/external/libavc/decoder/mvc/imvcd_utils.h

122 lines
5.0 KiB
C

/******************************************************************************
*
* Copyright (C) 2021 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 Name : imvcd_utils.c */
/* */
/* Description : MVCD Utility functions used by 'imvcd_api.c' */
/* */
/*****************************************************************************/
#ifndef _IMVCD_UTILS_H_
#define _IMVCD_UTILS_H_
#include <stdbool.h>
#include <string.h>
#include "ih264_typedefs.h"
#include "imvc_defs.h"
#include "ih264d_mvpred.h"
#include "ih264d_structs.h"
#include "imvcd_structs.h"
#define SWAP(x, y, data_type) \
{ \
data_type temp; \
memcpy(&temp, &y, sizeof(data_type)); \
memcpy(&y, &x, sizeof(data_type)); \
memcpy(&x, &temp, sizeof(data_type)); \
}
extern IV_API_CALL_STATUS_T imvcd_get_next_display_au_buf(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern UWORD32 imvcd_get_num_mbs_in_level(UWORD8 u1_level_idc);
extern WORD32 imvcd_allocate_dynamic_bufs(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern WORD16 imvcd_free_dynamic_bufs(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern WORD32 imvcd_init_au_buffers(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern WORD32 imvcd_init_au_mv_pred_bufs(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern void imvcd_convert_au_buf_to_view_buf(mvc_au_buffer_t *ps_au_buf, pic_buffer_t *ps_view_buf,
UWORD16 u2_view_order_id, UWORD16 u2_view_id);
extern void imvcd_init_ref_idx_to_ref_buf_map(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern void imvcd_ivp_buf_copier(mvc_au_buffer_t *ps_au_buf_src, mvc_au_buffer_t *ps_au_buf_dst,
mvc_au_mv_pred_t *ps_au_mv_data_src,
mvc_au_mv_pred_t *ps_au_mv_data_dst, UWORD16 u2_src_view_id,
UWORD16 u2_dst_view_id);
/* Function defined in 'ih264d_utils.c' and declared nowhere else */
extern WORD32 ih264d_init_dec_mb_grp(dec_struct_t *ps_dec);
extern void ih264d_init_cabac_contexts(UWORD8 u1_slice_type, dec_struct_t *ps_dec);
extern void ih264d_get_implicit_weights(dec_struct_t *ps_dec);
extern void imvcd_free_ref_bufs(mvc_au_buf_mgr_t *ps_mvc_au_buf_mgr,
mvc_au_mv_pred_buf_mgr_t *ps_mvc_au_mv_pred_buf_mgr,
WORD32 i4_pic_buf_id);
extern void imvcd_release_all_ref_bufs(mvc_dec_ctxt_t *ps_mvcd_ctxt, WORD32 i4_num_bufs);
extern void imvcd_free_ref_and_io_bufs(mvc_au_buf_mgr_t *ps_mvc_au_buf_mgr,
mvc_au_mv_pred_buf_mgr_t *ps_mvc_au_mv_pred_buf_mgr,
WORD32 i4_pic_buf_id);
extern void imvcd_release_all_ref_and_io_bufs(mvc_dec_ctxt_t *ps_mvcd_ctxt, WORD32 i4_num_bufs);
extern bool is_header_decoded(WORD32 i4_header_decoded, AVC_EXT_NALU_ID_T e_nalu_id);
extern bool is_mvc_nalu(AVC_EXT_NALU_ID_T e_nalu_id);
extern bool is_slice_nalu_type(AVC_EXT_NALU_ID_T e_nalu_id);
extern nalu_mvc_ext_t *imvcd_get_cur_nalu_mvc_ext(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern nalu_mvc_ext_t *imvcd_get_nalu_mvc_ext(nalu_mvc_ext_t *ps_nalu_mvc_exts,
UWORD16 u2_num_views_decoded, UWORD16 u2_view_id);
extern ref_pic_list_mod_data_t *imvcd_get_cur_ref_pic_list_mod_data(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern subset_sps_t *imvcd_get_valid_subset_sps(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern void imvcd_modulate_max_disp_seq(dec_struct_t *ps_view_ctxt);
extern mv_pred_t imvcd_get_default_mv_pred(void);
extern UWORD32 imvcd_get_max_num_ivp_refs(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern bool imvcd_is_idr_au(mvc_dec_ctxt_t *ps_mvcd_ctxt);
extern coordinates_t imvcd_get_buf_pad_dims(bool b_is_chroma);
extern WORD32 imvcd_get_ref_pic_pad_offset(WORD32 i4_stride, bool b_is_chroma);
extern UWORD32 imvcd_get_next_bits(dec_bit_stream_t *ps_bitstream);
extern void imvcd_set_view_buf_id_to_buf_map(dec_struct_t *ps_view_ctxt);
#endif