зеркало из https://github.com/mozilla/gecko-dev.git
54 строки
1.5 KiB
C
54 строки
1.5 KiB
C
/*
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* Copyright (c) 2016, Alliance for Open Media. All rights reserved
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*
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* This source code is subject to the terms of the BSD 2 Clause License and
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* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
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* was not distributed with this source code in the LICENSE file, you can
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* obtain it at www.aomedia.org/license/software. If the Alliance for Open
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* Media Patent License 1.0 was not distributed with this source code in the
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* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
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*/
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#ifndef AOM_AOM_DSP_BITREADER_BUFFER_H_
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#define AOM_AOM_DSP_BITREADER_BUFFER_H_
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#include <limits.h>
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#include "aom/aom_integer.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef void (*aom_rb_error_handler)(void *data);
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struct aom_read_bit_buffer {
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const uint8_t *bit_buffer;
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const uint8_t *bit_buffer_end;
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uint32_t bit_offset;
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void *error_handler_data;
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aom_rb_error_handler error_handler;
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};
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size_t aom_rb_bytes_read(const struct aom_read_bit_buffer *rb);
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int aom_rb_read_bit(struct aom_read_bit_buffer *rb);
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int aom_rb_read_literal(struct aom_read_bit_buffer *rb, int bits);
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uint32_t aom_rb_read_unsigned_literal(struct aom_read_bit_buffer *rb, int bits);
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int aom_rb_read_inv_signed_literal(struct aom_read_bit_buffer *rb, int bits);
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uint32_t aom_rb_read_uvlc(struct aom_read_bit_buffer *rb);
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int16_t aom_rb_read_signed_primitive_refsubexpfin(
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struct aom_read_bit_buffer *rb, uint16_t n, uint16_t k, int16_t ref);
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#endif // AOM_AOM_DSP_BITREADER_BUFFER_H_
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