static void bytein(MqcState *mqc)
{
- if (*mqc->bp == 0xff){
- if (*(mqc->bp+1) > 0x8f)
+ if (*mqc->bp == 0xff) {
+ if (*(mqc->bp + 1) > 0x8f)
mqc->c++;
- else{
+ else {
mqc->bp++;
mqc->c += 2 + 0xfe00 - (*mqc->bp << 9);
}
- } else{
+ } else {
mqc->bp++;
mqc->c += 1 + 0xff00 - (*mqc->bp << 8);
}
static int exchange(MqcState *mqc, uint8_t *cxstate, int lps)
{
int d;
- if ((mqc->a < ff_mqc_qe[*cxstate]) ^ (!lps)){
+ if ((mqc->a < ff_mqc_qe[*cxstate]) ^ (!lps)) {
if (lps)
mqc->a = ff_mqc_qe[*cxstate];
d = *cxstate & 1;
*cxstate = ff_mqc_nmps[*cxstate];
- } else{
+ } else {
if (lps)
mqc->a = ff_mqc_qe[*cxstate];
d = 1 - (*cxstate & 1);
*cxstate = ff_mqc_nlps[*cxstate];
}
- // renormd:
- do{
- if (!(mqc->c & 0xff)){
+ // do RENORMD: see ISO/IEC 15444-1:2002 §C.3.3
+ do {
+ if (!(mqc->c & 0xff)) {
mqc->c -= 0x100;
bytein(mqc);
}
{
ff_mqc_init_contexts(mqc);
mqc->bp = bp;
- mqc->c = (*mqc->bp ^ 0xff) << 16;
+ mqc->c = (*mqc->bp ^ 0xff) << 16;
bytein(mqc);
mqc->c = mqc->c << 7;
mqc->a = 0x8000;
int ff_mqc_decode(MqcState *mqc, uint8_t *cxstate)
{
mqc->a -= ff_mqc_qe[*cxstate];
- if ((mqc->c >> 16) < mqc->a){
+ if ((mqc->c >> 16) < mqc->a) {
if (mqc->a & 0x8000)
return *cxstate & 1;
else