static void t1_dec_sigpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int orient,
int oneplushalf,
char type,
int vsc)
{
int v, flag;
opj_raw_t *raw = t1->raw; /* RAW component */
opj_mqc_t *mqc = t1->mqc; /* MQC component */
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
if (type == T1_TYPE_RAW) {
if (raw_decode(raw)) {
v = raw_decode(raw); /* ESSAI */
*datap = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v, t1->flags_stride);
}
} else {
mqc_setcurctx(mqc, t1_getctxno_zc(flag, orient));
if (mqc_decode(mqc)) {
mqc_setcurctx(mqc, t1_getctxno_sc(flag));
v = mqc_decode(mqc) ^ t1_getspb(flag);
*datap = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v, t1->flags_stride);
}
}
*flagsp |= T1_VISIT;
}
} /* VSC and BYPASS by Antonin */
static void t1_dec_refpass_step(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int poshalf,
int neghalf,
char type,
int vsc)
{
int v, t, flag;
opj_mqc_t *mqc = t1->mqc; /* MQC component */
opj_raw_t *raw = t1->raw; /* RAW component */
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
mqc_setcurctx(mqc, t1_getctxno_mag(flag)); /* ESSAI */
if (type == T1_TYPE_RAW) {
v = raw_decode(raw);
} else {
v = mqc_decode(mqc);
}
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*flagsp |= T1_REFINE;
}
} /* VSC and BYPASS by Antonin */
static INLINE void t1_dec_sigpass_step_raw(
opj_t1_t *t1,
flag_t *flagsp,
S32 *datap,
S32 orient,
S32 oneplushalf,
S32 vsc)
{
S32 v, flag;
opj_raw_t *raw = t1->raw; /* RAW component */
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if ((flag & T1_SIG_OTH) && !(flag & (T1_SIG | T1_VISIT))) {
if (raw_decode(raw)) {
v = raw_decode(raw); /* ESSAI */
*datap = v ? -oneplushalf : oneplushalf;
t1_updateflags(flagsp, v, t1->flags_stride);
}
*flagsp |= T1_VISIT;
}
} /* VSC and BYPASS by Antonin */
static INLINE void t1_dec_refpass_step_raw(
opj_t1_t *t1,
flag_t *flagsp,
int *datap,
int poshalf,
int neghalf,
int vsc)
{
int v, t, flag;
opj_raw_t *raw = t1->raw; /* RAW component */
flag = vsc ? ((*flagsp) & (~(T1_SIG_S | T1_SIG_SE | T1_SIG_SW | T1_SGN_S))) : (*flagsp);
if ((flag & (T1_SIG | T1_VISIT)) == T1_SIG) {
v = raw_decode(raw);
t = v ? poshalf : neghalf;
*datap += *datap < 0 ? -t : t;
*flagsp |= T1_REFINE;
}
} /* VSC and BYPASS by Antonin */
