#include "wimlib/types.h"
-/* Variable type that can represent all possible window positions. */
-#ifndef INPUT_IDX_T_DEFINED
-#define INPUT_IDX_T_DEFINED
-typedef u32 input_idx_t;
-#endif
-
-/* Structure to keep track of the current state sending bits and bytes to the
- * compressed output buffer. */
-struct output_bitstream {
-
- /* Variable that holds up to 16 bits that haven't yet been flushed to
- * the output. */
- u16 bitbuf;
-
- /* Number of free bits in @bitbuf; that is, 16 minus the number of valid
- * bits in @bitbuf. */
- unsigned free_bits;
-
- /* Pointer to the start of the output buffer. */
- u8 *output_start;
-
- /* Position at which to write the next 16 bits. */
- u8 *bit_output;
-
- /* Next position to write 16 bits, after they are written to bit_output.
- * This is after @next_bit_output and may be separated from @bit_output
- * by literal bytes. */
- u8 *next_bit_output;
-
- /* Next position to write literal bytes. This is after @bit_output and
- * @next_bit_output, and may be separated from them by literal bytes.
- */
- u8 *output;
-
- /* Number of bytes remaining in the @output buffer. */
- input_idx_t bytes_remaining;
-
- /* Set to true if the buffer has been exhausted. */
- bool overrun;
-};
-
-extern void
-init_output_bitstream(struct output_bitstream *ostream,
- void *data, unsigned num_bytes);
-
-extern input_idx_t
-flush_output_bitstream(struct output_bitstream *ostream);
-
-extern void
-bitstream_put_bits(struct output_bitstream *ostream,
- u32 bits, unsigned num_bits);
-
-extern void
-bitstream_put_byte(struct output_bitstream *ostream, u8 n);
-
extern void
make_canonical_huffman_code(unsigned num_syms,
unsigned max_codeword_len,
- const input_idx_t freq_tab[restrict],
+ const u32 freq_tab[restrict],
u8 lens[restrict],
u32 codewords[restrict]);
-#endif /* _WIMLIB_COMPRESS_H */
+#endif /* _WIMLIB_COMPRESS_COMMON_H */
git://wimlib.net / wimlib / blobdiff