return d;
}
-void ff_mqc_initdec(MqcState *mqc, uint8_t *bp)
+void ff_mqc_initdec(MqcState *mqc, uint8_t *bp, int raw, int reset)
{
- ff_mqc_init_contexts(mqc);
+ mqc->raw = raw;
+ if (reset)
+ ff_mqc_init_contexts(mqc);
mqc->bp = bp;
mqc->c = (*mqc->bp ^ 0xff) << 16;
bytein(mqc);
mqc->a = 0x8000;
}
+static int mqc_decode_bypass(MqcState *mqc) {
+ int bit = !(mqc->c & 0x40000000);
+ if (!(mqc->c & 0xff)) {
+ mqc->c -= 0x100;
+ bytein(mqc);
+ }
+ mqc->c += mqc->c;
+ return bit;
+}
+
int ff_mqc_decode(MqcState *mqc, uint8_t *cxstate)
{
+ if (mqc->raw)
+ return mqc_decode_bypass(mqc);
mqc->a -= ff_mqc_qe[*cxstate];
if ((mqc->c >> 16) < mqc->a) {
if (mqc->a & 0x8000)