static void do_rematrixing(AC3DecodeContext *ctx) { ac3_audio_block *ab = &ctx->audio_block; uint8_t bnd1 = 13, bnd2 = 25, bnd3 = 37, bnd4 = 61; uint8_t bndend; bndend = FFMIN(ab->endmant[0], ab->endmant[1]); if (ab->rematflg & 1) _do_rematrixing(ctx, bnd1, bnd2); if (ab->rematflg & 2) _do_rematrixing(ctx, bnd2, bnd3); if (ab->rematflg & 4) { if (ab->cplbegf > 0 && ab->cplbegf <= 2 && (ab->flags & AC3_AB_CPLINU)) _do_rematrixing(ctx, bnd3, bndend); else { _do_rematrixing(ctx, bnd3, bnd4); if (ab->rematflg & 8) _do_rematrixing(ctx, bnd4, bndend); } } }