int jpc_mqenc_putbit_func(jpc_mqenc_t* mqenc, int bit) {
const jpc_mqstate_t* state;
JAS_DBGLOG(100, ("jpc_mqenc_putbit(%p, %d)\n", mqenc, bit));
JPC_MQENC_CALL(100, jpc_mqenc_dump(mqenc, stderr));
state = *(mqenc->curctx);
if (state->mps == bit) {
/* Apply the CODEMPS algorithm as defined in the standard. */
mqenc->areg -= state->qeval;
if (!(mqenc->areg & 0x8000)) {
jpc_mqenc_codemps2(mqenc);
} else {
mqenc->creg += state->qeval;
}
} else {
/* Apply the CODELPS algorithm as defined in the standard. */
jpc_mqenc_codelps2(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc->curctx, mqenc);
}
return jpc_mqenc_error(mqenc) ? (-1) : 0;
}
int jpc_mqenc_codelps(jpc_mqenc_t *mqenc)
{
jpc_mqenc_codelps2(mqenc->areg, mqenc->creg, mqenc->ctreg, mqenc->curctx, mqenc);
return jpc_mqenc_error(mqenc) ? (-1) : 0;
}