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-rw-r--r--src/decode.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/src/decode.h b/src/decode.h
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--- /dev/null
+++ b/src/decode.h
@@ -0,0 +1,46 @@
+#ifndef DECODE_H
+#define DECODE_H
+
+#include <config.h>
+
+#if HAVE_STDINT_H
+# include <stdint.h>
+#endif
+
+#include "libaec.h"
+
+#define M_CONTINUE 1
+#define M_EXIT 0
+
+#define SAFE (strm->avail_in >= state->in_blklen \
+ && strm->avail_out >= state->out_blklen)
+
+#define ROS 5
+#define MIN(a, b) (((a) < (b))? (a): (b))
+
+struct internal_state {
+ int (*mode)(struct aec_stream *);
+ int id; /* option ID */
+ int id_len; /* bit length of code option identification key */
+ int (**id_table)(struct aec_stream *); /* table maps IDs to states */
+ void (*put_sample)(struct aec_stream *, int64_t);
+ int ref_int; /* reference sample is every ref_int samples */
+ int64_t last_out; /* previous output for post-processing */
+ int64_t xmin; /* minimum integer for post-processing */
+ int64_t xmax; /* maximum integer for post-processing */
+ int in_blklen; /* length of uncompressed input block
+ should be the longest possible block */
+ int out_blklen; /* length of output block in bytes */
+ int n, i; /* counter for samples */
+ int64_t *block; /* block buffer for split-sample options */
+ int se; /* set if second extension option is selected */
+ uint64_t acc; /* accumulator for currently used bit sequence */
+ int bitp; /* bit pointer to the next unused bit in accumulator */
+ int fs; /* last fundamental sequence in accumulator */
+ int ref; /* 1 if current block has reference sample */
+ int pp; /* 1 if postprocessor has to be used */
+ int byte_per_sample;
+ size_t samples_out;
+} decode_state;
+
+#endif /* DECODE_H */