Author: k.nowosad
Date: Sun Aug 19 15:54:19 2007
New Revision: 1025
Log:
minor changes in code and comments
Modified:
jpeg2000/aec.c
jpeg2000/aec.h
jpeg2000/aecdec.c
Modified: jpeg2000/aec.c
==============================================================================
--- jpeg2000/aec.c (original)
+++ jpeg2000/aec.c Sun Aug 19 15:54:19 2007
@@ -29,7 +29,7 @@
void ff_aec_init_contexts(AecState *aec)
{
- memset(aec->contexts, 0, 19*sizeof(AecContext));
+ memset(aec->contexts, 0, sizeof(aec->contexts));
aec->contexts[AEC_CX_UNI].state = 46;
aec->contexts[AEC_CX_RL].state = 3;
aec->contexts[0].state = 4;
Modified: jpeg2000/aec.h
==============================================================================
--- jpeg2000/aec.h (original)
+++ jpeg2000/aec.h Sun Aug 19 15:54:19 2007
@@ -109,25 +109,21 @@ typedef struct {
/** encoder */
+/** initialize the encoder */
void ff_aec_initenc(AecState *aec, uint8_t *bp);
-/**
- * code bit d with context cx
- * */
+/** code bit d with context cx */
void ff_aec_encode(AecState *aec, int cx, int d);
-/**
- * number of encoded bytes
- */
+/** number of encoded bytes */
int ff_aec_length(AecState *aec);
-/**
- * flush the encoder [returns number of bytes encoded]
- * */
+/** flush the encoder [returns number of bytes encoded] */
int ff_aec_flush(AecState *aec);
/** decoder */
+/** initialize the decoder */
void ff_aec_initdec(AecState *aec, uint8_t *bp);
/** returns decoded bit with context cx */
@@ -135,6 +131,7 @@ int ff_aec_decode(AecState *aec, int cx)
/** common */
+/** initialize the contexts */
void ff_aec_init_contexts(AecState *aec);
#endif
Modified: jpeg2000/aecdec.c
==============================================================================
--- jpeg2000/aecdec.c (original)
+++ jpeg2000/aecdec.c Sun Aug 19 15:54:19 2007
@@ -66,8 +66,8 @@ static int exchange(AecState *aec, int l
do{
if (!aec->ct)
bytein(aec);
- aec->a = aec->a << 1;
- aec->c = aec->c << 1;
+ aec->a += aec->a;
+ aec->c += aec->c;
aec->ct--;
} while (!(aec->a & 0x8000));
return d;
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