X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fopenjp2%2Fmqc.h;h=9850fed03161701cb2abee0d130b14186b94dd66;hb=1b72e85dc9a2b55c9142a74fb5b93338d59f92f0;hp=06815ab1dd7b89128cde70618e544f8f3ef104db;hpb=36dd87cea80ad56e0e3178221aa579a28f02a549;p=openjpeg.git

diff --git a/src/lib/openjp2/mqc.h b/src/lib/openjp2/mqc.h
index 06815ab1..9850fed0 100644
--- a/src/lib/openjp2/mqc.h
+++ b/src/lib/openjp2/mqc.h
@@ -36,8 +36,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef __MQC_H
-#define __MQC_H
+#ifndef OPJ_MQC_H
+#define OPJ_MQC_H
 
 #include "opj_common.h"
 
@@ -61,9 +61,9 @@ typedef struct opj_mqc_state {
     /** the Most Probable Symbol (0 or 1) */
     OPJ_UINT32 mps;
     /** next state if the next encoded symbol is the MPS */
-    struct opj_mqc_state *nmps;
+    const struct opj_mqc_state *nmps;
     /** next state if the next encoded symbol is the LPS */
-    struct opj_mqc_state *nlps;
+    const struct opj_mqc_state *nlps;
 } opj_mqc_state_t;
 
 #define MQC_NUMCTXS 19
@@ -78,6 +78,8 @@ typedef struct opj_mqc {
     OPJ_UINT32 a;
     /** number of bits already read or free to write */
     OPJ_UINT32 ct;
+    /* only used by decoder, to count the number of times a terminating 0xFF >0x8F marker is read */
+    OPJ_UINT32 end_of_byte_stream_counter;
     /** pointer to the current position in the buffer */
     OPJ_BYTE *bp;
     /** pointer to the start of the buffer */
@@ -85,15 +87,17 @@ typedef struct opj_mqc {
     /** pointer to the end of the buffer */
     OPJ_BYTE *end;
     /** Array of contexts */
-    opj_mqc_state_t *ctxs[MQC_NUMCTXS];
+    const opj_mqc_state_t *ctxs[MQC_NUMCTXS];
     /** Active context */
-    opj_mqc_state_t **curctx;
+    const opj_mqc_state_t **curctx;
     /* lut_ctxno_zc shifted by (1 << 9) * bandno */
     const OPJ_BYTE* lut_ctxno_zc_orient;
     /** Original value of the 2 bytes at end[0] and end[1] */
     OPJ_BYTE backup[OPJ_COMMON_CBLK_DATA_EXTRA];
 } opj_mqc_t;
 
+#define BYPASS_CT_INIT  0xDEADBEEF
+
 #include "mqc_inl.h"
 
 /** @name Exported functions */
@@ -133,12 +137,7 @@ Set the current context used for coding/decoding
 @param ctxno Number that identifies the context
 */
 #define opj_mqc_setcurctx(mqc, ctxno)   (mqc)->curctx = &(mqc)->ctxs[(OPJ_UINT32)(ctxno)]
-/**
-Encode a symbol using the MQ-coder
-@param mqc MQC handle
-@param d The symbol to be encoded (0 or 1)
-*/
-void opj_mqc_encode(opj_mqc_t *mqc, OPJ_UINT32 d);
+
 /**
 Flush the encoder, so that all remaining data is written
 @param mqc MQC handle
@@ -266,4 +265,4 @@ Decode a symbol
 
 /*@}*/
 
-#endif /* __MQC_H */
+#endif /* OPJ_MQC_H */