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diff --git a/libopenjpeg/mqc.h b/libopenjpeg/mqc.h
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+/*
+ * Copyright (c) 2001-2002, David Janssens
+ * Copyright (c) 2002-2003, Yannick Verschueren
+ * Copyright (c) 2002-2003,  Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __MQC_H
+#define __MQC_H
+
+/*
+ * Return the number of bytes written/read since initialisation
+ */
+int mqc_numbytes();
+
+/*
+ * Reset the states of all the context of the coder/decoder
+ * (each context is set to a state where 0 and 1 are more or less equiprobable)
+ */
+void mqc_resetstates();
+
+/*
+ * Set the state of a particular context
+ * ctxno: number that identifies the context
+ * msb: the MSB of the new state of the context
+ * prob: number that identifies the probability of the symbols for the new state of the context
+ */
+void mqc_setstate(int ctxno, int msb, int prob);
+
+/*
+ * Initialize the encoder
+ * bp: pointer to the start of the buffer where the bytes will be written
+ */
+void mqc_init_enc(unsigned char *bp);
+
+/*
+ * Set the current context used for coding/decoding
+ * ctxno: number that identifies the context
+ */
+void mqc_setcurctx(int ctxno);
+
+/*
+ * Encode a bit
+ * d: bit to encode (0 or 1)
+ */
+void mqc_encode(int d);
+
+/*
+ * Flush the encoder, so that all remaining data is written
+ */
+void mqc_flush();
+
+/*
+ * BYPASS mode switch
+ */
+void mqc_bypass_init_enc();
+
+/*
+ * BYPASS mode switch
+ */
+void mqc_bypass_enc();
+
+/*
+ * BYPASS mode switch
+ */
+int mqc_bypass_flush_enc();
+
+/*
+ * RESET mode switch
+ */
+void mqc_reset_enc();
+
+/*
+ * RESTART mode switch (TERMALL)
+ */
+int mqc_restart_enc();
+
+/*
+ * RESTART mode switch (TERMALL)
+ */
+void mqc_restart_init_enc();
+
+/*
+ * ERTERM mode switch (PTERM)
+ */
+void mqc_erterm_enc();
+
+/*
+ * SEGMARK mode switch (SEGSYM)
+ */
+void mqc_segmark_enc();
+
+
+/*
+ * Initialize the decoder
+ * bp: pointer to the start of the buffer from which the bytes will be read
+ * len: length of the input buffer
+ */
+void mqc_init_dec(unsigned char *bp, int len);
+
+/*
+ * Decode a bit (returns 0 or 1)
+ */
+int mqc_decode();
+
+#endif