088122e748
* Combined Workspace for Encoder and Decoder * Addressed review comments and some minor edits --------- Co-authored-by: Divya B M <100655@ittiam.com>
67 lines
3.2 KiB
C
67 lines
3.2 KiB
C
/******************************************************************************
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* *
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* Copyright (C) 2023 The Android Open Source Project
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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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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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#pragma once
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#undef ARIB_COMPLIANCE
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#undef ADTS_CRC_ENABLE
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typedef struct {
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UWORD8 *ptr_bit_buf_base; /* pointer points to first position in bitstream buffer */
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UWORD8 *ptr_bit_buf_end; /* pointer points to last position in bitstream buffer */
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UWORD8 *ptr_read_next; /* pointer points to next available word in bitstream buffer to read */
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UWORD8 *ptr_write_next; /* pointer points to next available word in bitstream buffer to write */
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WORD32 read_position; /* 7 <= read_position <= 0 */
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WORD32 write_position; /* 7 <= write_position <= 0 */
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WORD32 cnt_bits; /* number of available bits in the bitstream buffer
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write bits to bitstream buffer => increment cnt_bits
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read bits from bitstream buffer => decrement cnt_bits */
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WORD32 size; /* size of bitbuffer in bits */
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} ixheaace_bit_buf;
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/* Define pointer to bit buffer structure */
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typedef ixheaace_bit_buf *ixheaace_bit_buf_handle;
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ixheaace_bit_buf_handle ia_enhaacplus_enc_create_bitbuffer(ixheaace_bit_buf_handle pstr_bit_buf,
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UWORD8 *ptr_bit_buf_base,
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UWORD32 bitbuf_size);
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VOID ia_enhaacplus_enc_delete_bitbuffer(ixheaace_bit_buf_handle pstr_bit_buf);
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UWORD32 ixheaace_readbits(ixheaace_bit_buf_handle pstr_bit_buf, UWORD8 no_bits_to_read);
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UWORD8 ixheaace_write_bits(ixheaace_bit_buf_handle pstr_bit_buf, UWORD32 write_value,
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UWORD8 num_bits_to_write);
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VOID ixheaace_reset_bitbuf(ixheaace_bit_buf_handle pstr_bit_buf, UWORD8 *ptr_bit_buf_base,
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UWORD32 bitbuf_size);
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VOID ixheaace_copy_bitbuf_to_and_fro(ixheaace_bit_buf_handle h_bitbuf_src,
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ixheaace_bit_buf_handle h_bitbuf_dst);
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VOID ia_enhaacplus_enc_copy_bitbuf(ixheaace_bit_buf_handle h_bitbuf_src,
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ixheaace_bit_buf_handle h_bitbuf_dst);
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VOID ia_enhaacplus_enc_wind_bitbuffer_bidirectional(ixheaace_bit_buf_handle pstr_bit_buf,
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WORD32 offset);
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WORD32 ia_enhaacplus_enc_get_bits_available(ixheaace_bit_buf_handle pstr_bit_buf_handle);
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UWORD32 ixheaace_byte_align_buffer(ixheaace_bit_buf_handle pstr_it_bit_buff);
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