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27 lines
611 B
27 lines
611 B
6 years ago
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#ifndef bitstream_H
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#define bitstream_H
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#include <stddef.h>
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#include <stdint.h>
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struct bitstream {
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const uint8_t *buffer_ptr;
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const uint8_t *buffer_end;
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uint64_t value;
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uint32_t pos;
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uint32_t shift;
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size_t size;
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};
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void bs_init(struct bitstream *bs, const uint8_t *buffer, size_t input_size);
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void bs_seek(struct bitstream *bs, size_t new_pos);
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uint32_t bs_get(struct bitstream *bs, int n);
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uint32_t bs_peek(struct bitstream *bs, int n);
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size_t bs_remain(struct bitstream *bs);
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int bs_eof(struct bitstream *bs);
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uint32_t bs_ue(struct bitstream *bs);
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int32_t bs_se(struct bitstream *bs);
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#endif
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